Trane Tracer TD7 User manual

RLC-SVU007B-GB
Tracer™ TD7 with UC 800
for RTAF/RTHF/RTWF/GVAF chillers or heat pumps
User Guide
Original instructions

Table of Contents
RLC-SVU007B-GB
2 © 2016Trane
4 UNT-PRC002-GB
Technical Data
FWD 08 12 20 30 45
Power supply (V/Ph/Hz) 230/1/50
Capacities
Cooling capacity on water (1) (kW) 5,2 8,3 15 18,8 30,1
Heating capacity on water (2) (kW) 6,3 11,9 18,9 20,9 38,2
Fan motor (type) 2 x direct drive centrifugal
Fan power input (3) (kW) 0,23 0,46 0,65 1,04 1,51
Current amps (3) (A) 1,1 2,2 3,1 4,7 5,5
Start-up amps (A) 3,2 5,5 9,3 14,1 16,5
Air flow
minimum (m3/h) 490 980 1400 1800 2700
nominal (m3/h) 820 1650 2300 3000 4500
maximum (m3/h) 980 1970 2600 3600 5400
Main coil
Water entering/leaving connections (type) ISO R7 rotating female
(Dia) 3/4" 3/4" 1 1/2" 1 1/2" 1 1/2"
Electric heater (accessory for blower only)
Electric power supply (V/Ph/Hz) 230/1/50 230/1/50 or 400/3/50 400/3/50 400/3/50 400/3/50
Heating capacity (kW) 2/4 8 10 12 12
Hot water coil (accessory for blower only)
Heating capacity (4) (kW) 6,3 12 17,4 22,4 34,5
G2 filter (filter box accessory)
Quantity 2 2 2 2 2
Dimensions ( LxWxth) (mm) 386x221x8 486x271x8 586x321x8 586*421*8 586*621*8
G4 filter (filter box accessory)
Quantity - 2 2 2 2
Dimensions ( LxWxth) (mm) - 486x264x48 586x314x48 586*414*48 586*614*48
Condensate pump (accessory) (type) Centrifugal
Water flow - lift height (l/h - mm) 24 - 500
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
Sound pressure level (5) (dB(A)) 36/40/43 38/41/44 46/50/53 47/52/57 47/52/58
Sound power level (5) (dB(A)) 46/50/53 48/51/54 56/60/63 57/62/67 57/62/68
Unit dimensions
Width x Depth (mm) 890 x 600 1090 x 710 1290 x 820 1290 x 970 1290 x 1090
Height (mm) 250 300 350 450 650
Shipped unit dimensions
Width x Depth (mm) 933 x 644 1133 x 754 1333 x 864 1333 x 1008 1333*1133
Height (mm) 260 310 360 460 660
Weight (kg) 32 46 61 76 118
Colour galvanised steel
Recommended fuse size
Unit alone (aM/gI) (A) 8/16 8/16 8/16 8/25 8/25
Unit with electric heater (gI) (A) 16 (2kW),25 (4kW) 40 (230V),3*16 (400V) 3*20 3*25 3*25
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
(3) At high speed with nominal air flow.
(4) Water entering/leaving temperature 90/70 °C, air inlet temperature 20 °C DB, Nominal air flow.
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Heat exchanger operating limits:
FWD:
*water temperature: max 100° C
*absolute service pressure: min 1 bar/max 11 bars
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
*absolute service pressure: min 1 bar/max 11 bars
General Recommendations .............................................................................. 5
Installer-Supplied Components........................................................................ 6
Interconnecting Wiring...................................................................................... 6
Chilled Water Pump Control ........................................................................................... 6
Lead Lag Dual pump ....................................................................................................... 6
Programmable Relays ....................................................................................... 7
Relay Assignments Using ................................................................................. 8
Tracer™TU ....................................................................................................................... 8
Low Voltage Wiring............................................................................................ 9
Emergency Stop .............................................................................................................. 9
External Auto/Stop .......................................................................................................... 9
Ice Making (Optional)........................................................................................ 9
External Setpoints & Capacity Outputs (Optional) ...................................... 11
External Chilled Water Setpoint (ECWS).......................................................................11
External Current Limit Setpoint (ECLS) ....................................................................... 12
ECWS and ECLS Analog Input Signal Wiring Details ................................................. 13
Chilled Water Reset (CWR).............................................................................. 14
Smart Communication Protocol .................................................................... 17
LonTalk™ Interface (LCI-C)............................................................................................ 17
BACnet Interface (BCNT)............................................................................................... 17
BACnetTesting Laboratory (BTL) Certification ............................................................ 17
ModBus RTU Interface .................................................................................................. 17
Wiring and Port Descriptions for MODBUS, BACnet and LonTalk .............. 18
Smart Com protocol...................................................................................................... 18
Rotary Switches ............................................................................................................. 18
LED Description and Operation.................................................................................... 19
TracerTD7 Operator Interface ......................................................................... 20
Tracer™ TU ....................................................................................................... 21

RLC-SVU007B-GB 3
11UNT-PRC002-GB
Sound power levels
Discharge
Measurement conditions:
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
long) fixed to its discharge opening.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 55 50 42 37 37 31 30 46
FWD 08 2 57 54 47 40 30 38 40 50
3 58 57 50 42 32 40 43 53
1 57 51 45 42 34 33 28 48
FWD 10 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 57 51 45 42 34 33 28 48
FWD 12 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 56 62 50 48 39 38 36 56
FWD 14 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
1 57 63 51 49 40 39 37 57
FWD 20 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
Intake
Measurement conditions:
Measurements taken at the horizontal air intake.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 56 55 55 53 46 45 42 57
FWD 08 2 63 62 60 60 53 53 53 64
3 66 65 63 62 56 55 57 67
1 62 58 55 58 51 48 44 61
FWD 10 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 62 58 55 58 51 48 44 61
FWD 12 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 66 65 65 65 57 50 46 68
FWD 14 2 73 72 69 71 64 59 57 74
3 78 76 73 75 69 64 63 78
1 68 72 64 64 56 52 50 69
FWD 20 2 76 76 68 71 65 61 61 75
3 78 79 71 74 69 66 66 78

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4 UNT-PRC002-GB
Technical Data
FWD 08 12 20 30 45
Power supply (V/Ph/Hz) 230/1/50
Capacities
Cooling capacity on water (1) (kW) 5,2 8,3 15 18,8 30,1
Heating capacity on water (2) (kW) 6,3 11,9 18,9 20,9 38,2
Fan motor (type) 2 x direct drive centrifugal
Fan power input (3) (kW) 0,23 0,46 0,65 1,04 1,51
Current amps (3) (A) 1,1 2,2 3,1 4,7 5,5
Start-up amps (A) 3,2 5,5 9,3 14,1 16,5
Air flow
minimum (m3/h) 490 980 1400 1800 2700
nominal (m3/h) 820 1650 2300 3000 4500
maximum (m3/h) 980 1970 2600 3600 5400
Main coil
Water entering/leaving connections (type) ISO R7 rotating female
(Dia) 3/4" 3/4" 1 1/2" 1 1/2" 1 1/2"
Electric heater (accessory for blower only)
Electric power supply (V/Ph/Hz) 230/1/50 230/1/50 or 400/3/50 400/3/50 400/3/50 400/3/50
Heating capacity (kW) 2/4 8 10 12 12
Hot water coil (accessory for blower only)
Heating capacity (4) (kW) 6,3 12 17,4 22,4 34,5
G2 filter (filter box accessory)
Quantity 2 2 2 2 2
Dimensions ( LxWxth) (mm) 386x221x8 486x271x8 586x321x8 586*421*8 586*621*8
G4 filter (filter box accessory)
Quantity - 2 2 2 2
Dimensions ( LxWxth) (mm) - 486x264x48 586x314x48 586*414*48 586*614*48
Condensate pump (accessory) (type) Centrifugal
Water flow - lift height (l/h - mm) 24 - 500
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
Sound pressure level (5) (dB(A)) 36/40/43 38/41/44 46/50/53 47/52/57 47/52/58
Sound power level (5) (dB(A)) 46/50/53 48/51/54 56/60/63 57/62/67 57/62/68
Unit dimensions
Width x Depth (mm) 890 x 600 1090 x 710 1290 x 820 1290 x 970 1290 x 1090
Height (mm) 250 300 350 450 650
Shipped unit dimensions
Width x Depth (mm) 933 x 644 1133 x 754 1333 x 864 1333 x 1008 1333*1133
Height (mm) 260 310 360 460 660
Weight (kg) 32 46 61 76 118
Colour galvanised steel
Recommended fuse size
Unit alone (aM/gI) (A) 8/16 8/16 8/16 8/25 8/25
Unit with electric heater (gI) (A) 16 (2kW),25 (4kW) 40 (230V),3*16 (400V) 3*20 3*25 3*25
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
(3) At high speed with nominal air flow.
(4) Water entering/leaving temperature 90/70 °C, air inlet temperature 20 °C DB, Nominal air flow.
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Heat exchanger operating limits:
FWD:
*water temperature: max 100° C
*absolute service pressure: min 1 bar/max 11 bars
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
*absolute service pressure: min 1 bar/max 11 bars
Copyright
All rights reserved
This document and the information in it are the property ofTrane and may not be used or reproduced in whole or in
part, without the written permission ofTrane.
Trane reserves the right to revise this publication at any time and to make changes to its content without obligation
to notify any person of such revision or change.
Trademarks
TD7, theTrane logo, andTracer are trademarks ofTrane. All trademarks referenced in this document are the
trademarks of their respective owners.

RLC-SVU007B-GB 5
11UNT-PRC002-GB
Sound power levels
Discharge
Measurement conditions:
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
long) fixed to its discharge opening.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 55 50 42 37 37 31 30 46
FWD 08 2 57 54 47 40 30 38 40 50
3 58 57 50 42 32 40 43 53
1 57 51 45 42 34 33 28 48
FWD 10 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 57 51 45 42 34 33 28 48
FWD 12 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 56 62 50 48 39 38 36 56
FWD 14 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
1 57 63 51 49 40 39 37 57
FWD 20 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
Intake
Measurement conditions:
Measurements taken at the horizontal air intake.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 56 55 55 53 46 45 42 57
FWD 08 2 63 62 60 60 53 53 53 64
3 66 65 63 62 56 55 57 67
1 62 58 55 58 51 48 44 61
FWD 10 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 62 58 55 58 51 48 44 61
FWD 12 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 66 65 65 65 57 50 46 68
FWD 14 2 73 72 69 71 64 59 57 74
3 78 76 73 75 69 64 63 78
1 68 72 64 64 56 52 50 69
FWD 20 2 76 76 68 71 65 61 61 75
3 78 79 71 74 69 66 66 78
As you review this manual, keep in mind that:
• All field-installed wiring must conform to European
guidelines and any applicable local codes. Be sure to
satisfy proper equipment grounding requirements per
European guidelines.
• Compressor motor and unit electrical data (including
motor kW, voltage utilization range, rated load amps)
is listed on the chiller nameplate.
• All field-installed wiring must be checked for proper
terminations, and for possible shorts or grounds.
Note:
Always refer to wiring diagrams shipped with chiller
or unit submittal for specific electrical schematic and
connection information.
WARNING:
Proper field wiring and grounding required!
All field wiring MUST be performed by qualified
personnel.
Improperly installed or improperly grounded machines
can cause FIRE and ELECTROCUTION hazards
To avoid these hazards, you MUST follow requirements
in local electrical codes.
Failure to follow cade could result in death or serious
injury.
WARNING:
Hazardous voltage w/capacitors!
Disconnect all electric power, including remote
disconnects and discharge all motor start/run and
AFD (Adaptive FrequencyTM Drive) capacitors before
servicing.
Follow proper lockout/tagout procedures to ensure the
power cannot be inadvertently energized.
• For variable frequency drives or others energy storing
component provided byTrane or others, refer to the
appropriate manufacturer’s literature for allowable
waiting periods for discharge of capacitors. Verify
with an appropriate voltmeter that all capacitors have
discharged.
• DC bus capacitors retain hazardous voltages after
input power has been disconnected. Follow proper
lockout/tagout procedures to ensure the power cannot
be inadvertently energized. After disconnecting
input power, wait five (5) minutes for units which are
equipped with EC fans and wait twenty (20) minutes
for units which are equipped with variable frequency
drive (0V DC) before touching any internal components
Failure to follow these instructions could result in death
or serious injury.
For additional information regarding the safe discharge
of capacitors, see “Adaptive Frequency™ Drive (AFD3)
Capacitor Discharge,” p. 28 and BAS-SVX19B-E4.
WARNING!
Hazardous Voltage - Pressurized Burning Fluid:
Before removing compressor terminal box cover for
servicing, or servicing power side of control panel,
CLOSE COMPRESSOR DISCHARGE SERVICE VALVE
and disconnect all electric power including remote
disconnects. Discharge all motor start/run capacitors.
Follow lockout/tagout procedures to ensure the
power cannot be inadvertently energized. Verify with
an appropriate voltmeter that all capacitors have
discharged.
The compressor contains hot, pressurized refrigerant.
Motor terminals act as a seal against this refrigerant.
Care should be taken when servicing NOT to damage or
loosen motor terminals.
Do not operate compressor without terminal box cover
in place. Failure to follow all electrical safety precautions
could result in death or serious injury.
For additional information regarding the safe discharge
of capacitors, see “Adaptive Frequency™ Drive (AFD3)
Capacitor Discharge,” and BAS-SVX19B-E4.
NOTICE:
Use Copper Conductors Only!
Unit terminals are not designed to accept other types
of conductors. Failure to use copper conductors could
result in equipment damage.
Important:
To prevent control malfunctions, do not run low voltage
wiring (<30 V) in conduit with conductors carrying more
than 30 volts.
WARNING!
Discharge Time:
Frequency converters contain DC-link capacitors that
can remain charged even when the frequency converter
is not powered.To avoid electrical hazards, disconnect
AC mains, any permanent magnet type motors, and
any remote DC link power supplies, including battery
backups, UPS and DC-link connections to other
frequency converters. Wait for the capacitors to fully
discharge before performing any service or repair work.
The amount of wait time is listed in the DischargeTime
table. Failure to wait the specified time after power has
been removed before doing service or repair could result
in death or serious injury.
Table 1 - Capacitor Discharge Times
Voltage Power Minimum waiting
time [min]
380 – 500 V 90 – 250 kW 20
315 – 800 kW 40
General Recommendations

RLC-SVU007B-GB
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Technical Data
FWD 08 12 20 30 45
Power supply (V/Ph/Hz) 230/1/50
Capacities
Cooling capacity on water (1) (kW) 5,2 8,3 15 18,8 30,1
Heating capacity on water (2) (kW) 6,3 11,9 18,9 20,9 38,2
Fan motor (type) 2 x direct drive centrifugal
Fan power input (3) (kW) 0,23 0,46 0,65 1,04 1,51
Current amps (3) (A) 1,1 2,2 3,1 4,7 5,5
Start-up amps (A) 3,2 5,5 9,3 14,1 16,5
Air flow
minimum (m3/h) 490 980 1400 1800 2700
nominal (m3/h) 820 1650 2300 3000 4500
maximum (m3/h) 980 1970 2600 3600 5400
Main coil
Water entering/leaving connections (type) ISO R7 rotating female
(Dia) 3/4" 3/4" 1 1/2" 1 1/2" 1 1/2"
Electric heater (accessory for blower only)
Electric power supply (V/Ph/Hz) 230/1/50 230/1/50 or 400/3/50 400/3/50 400/3/50 400/3/50
Heating capacity (kW) 2/4 8 10 12 12
Hot water coil (accessory for blower only)
Heating capacity (4) (kW) 6,3 12 17,4 22,4 34,5
G2 filter (filter box accessory)
Quantity 2 2 2 2 2
Dimensions ( LxWxth) (mm) 386x221x8 486x271x8 586x321x8 586*421*8 586*621*8
G4 filter (filter box accessory)
Quantity - 2 2 2 2
Dimensions ( LxWxth) (mm) - 486x264x48 586x314x48 586*414*48 586*614*48
Condensate pump (accessory) (type) Centrifugal
Water flow - lift height (l/h - mm) 24 - 500
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
Sound pressure level (5) (dB(A)) 36/40/43 38/41/44 46/50/53 47/52/57 47/52/58
Sound power level (5) (dB(A)) 46/50/53 48/51/54 56/60/63 57/62/67 57/62/68
Unit dimensions
Width x Depth (mm) 890 x 600 1090 x 710 1290 x 820 1290 x 970 1290 x 1090
Height (mm) 250 300 350 450 650
Shipped unit dimensions
Width x Depth (mm) 933 x 644 1133 x 754 1333 x 864 1333 x 1008 1333*1133
Height (mm) 260 310 360 460 660
Weight (kg) 32 46 61 76 118
Colour galvanised steel
Recommended fuse size
Unit alone (aM/gI) (A) 8/16 8/16 8/16 8/25 8/25
Unit with electric heater (gI) (A) 16 (2kW),25 (4kW) 40 (230V),3*16 (400V) 3*20 3*25 3*25
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
(3) At high speed with nominal air flow.
(4) Water entering/leaving temperature 90/70 °C, air inlet temperature 20 °C DB, Nominal air flow.
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Heat exchanger operating limits:
FWD:
*water temperature: max 100° C
*absolute service pressure: min 1 bar/max 11 bars
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
*absolute service pressure: min 1 bar/max 11 bars
Installer-Supplied Components / Interconnecting Wiring
Installer-Supplied Components
Customer wiring interface connections are shown in
the electrical schematics and connection diagrams that
are shipped with the unit.The installer must provide the
following components if not ordered with the unit:
• Power supply wiring (in conduit) for all field-wired
connections.
• All control (interconnecting) wiring (in conduit) for
field supplied devices.
• Fused-disconnect switches or circuit breakers.
Interconnecting Wiring
Chilled Water Pump Control
NOTICE:
Equipment Damage!
If the microprocessor calls for a pump to start and
water does not flow, the evaporator may be damaged
catastrophically. It is the responsibility of the installing
contractor and/or the customer to ensure that a pump
will always be running when called upon by the chiller
controls.
An evaporator water pump output relay closes when
the chiller is given a signal to go into the Auto mode
of operation from any source.The contact is opened to
turn off the pump in the event of most machine level
diagnostics to prevent pump overheat.
The relay output is required to operate the Evaporator
Water Pump (EWP) contactor. Contacts should be
compatible with 115/240 VAC control circuit. Normally,
the EWP relay follows the AUTO mode of the chiller.
Whenever the chiller has no diagnostics and is in the
AUTO mode, regardless of where the auto command
is coming from, the normally open relay is energized.
When the chiller exits the AUTO mode, the relay is timed
to open in an adjustable (usingTU) 0 to 30 minutes.
The non-AUTO modes, in which the pump is stopped,
includes Reset, Stop, External Stop, Remote Display
Stop, Stopped byTracer, Start Inhibited by Low Ambient
Temp, and Ice Making complete.
Table 2 - Pump relay operation
Chiller Mode Relay Operation
Auto Instant Close
Ice Making Instant Close
Tracer Override Close
Stop Timed Open
Ice Complete Instant Open
Diagnostics Instant Open
When going from Stop to Auto, the Evaporator Water
Pump relay is energized. Water flow switch is activating,
and flow status information back after 15 seconds.
If evaporator water flow is not established in 20 minutes
(for normal transition), the UC800 de-energizes the EWP
relay and generates a non-latching diagnostic. If flow
returns (e.g. someone else is controlling the pump), the
diagnostic is cleared, the EWP is re-energized, and
normal control resumed.
If evaporator water flow is lost once it had been
established, the EWP relay remains energized and a
non-latching diagnostic is generated. If flow returns, the
diagnostic is cleared and the chiller returns to normal
operation. In general, when there is either a non-latching
or latching diagnostic, the EWP relay is turned off as
though there was a zero time delay. Exceptions whereby
the relay continues to be energized occur with:
• Low Chilled WaterTemp. diagnostic (non-latching)
(Unless also accompanied by an Evaporator Leaving
WaterTemperature Sensor Diagnostic)
OR
• Loss of Evaporator Water Flow diagnostic (non-
latching) and the unit is in the AUTO mode, after
initially having proven evaporator water flow.
Lead Lag Dual Pump
The running pump is changed each time the unit is
switched on.

RLC-SVU007B-GB 7
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Sound power levels
Discharge
Measurement conditions:
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
long) fixed to its discharge opening.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 55 50 42 37 37 31 30 46
FWD 08 2 57 54 47 40 30 38 40 50
3 58 57 50 42 32 40 43 53
1 57 51 45 42 34 33 28 48
FWD 10 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 57 51 45 42 34 33 28 48
FWD 12 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 56 62 50 48 39 38 36 56
FWD 14 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
1 57 63 51 49 40 39 37 57
FWD 20 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
Intake
Measurement conditions:
Measurements taken at the horizontal air intake.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 56 55 55 53 46 45 42 57
FWD 08 2 63 62 60 60 53 53 53 64
3 66 65 63 62 56 55 57 67
1 62 58 55 58 51 48 44 61
FWD 10 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 62 58 55 58 51 48 44 61
FWD 12 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 66 65 65 65 57 50 46 68
FWD 14 2 73 72 69 71 64 59 57 74
3 78 76 73 75 69 64 63 78
1 68 72 64 64 56 52 50 69
FWD 20 2 76 76 68 71 65 61 61 75
3 78 79 71 74 69 66 66 78
Programmable Relays
A programmable relay concept provides for enunciation
of certain events or states of the chiller, selected from a
list of likely needs, while only using four physical output
relays, as shown in the field wiring diagram.
The four relays are provided (generally with a Quad
Relay Output LLID) as part of the Programmable Relay
Option.The relays contacts are isolated Form C (SPDT),
suitable for use with 120 VAC circuits drawing up to
2.8 amps inductive, 7.2 amps resistive, or 1/3 HP and for
240 VAC circuits drawing up to 0.5 amp resistive.
The list of events/states that can be assigned to the
programmable relays can be found inTable (…) Chiller
events/Status description.The relay will be energized
when the event/state occurs.
Table 3 - Chiller event/status descriptions
Alarm - Latching This output is true whenever there is any active latching shutdown diagnostic that targets the Unit, Circuit,
or any of the Compressors on a circuit.
Alarm - NonLatching This output is true whenever there is any active non-latching shutdown diagnostic that targets the Unit,
Circuit, or any of the Compressors on a circuit.
Alarm This output is true whenever there is any active latching or non-latching shutdown diagnostic that targets
the Unit, Circuit, or any of the Compressors on a circuit.
Alarm Ckt 1 This output is true whenever there is any active latching or non-latching shutdown diagnostic that targets
Circuit 1, or any of the Compressors on Circuit 1.
Alarm Ckt 2 This output is true whenever there is any active latching or non-latching shutdown diagnostic that targets
Circuit 2, or any of the Compressors on Circuit 2.
Unit Limit Mode This output is true whenever a circuit on the unit has been running in one of the limit modes continuously
for the Limit Relay debounce time. A given limit or overlapping of different limits must be in effect
continuously for the debounce time prior to the output becoming true. It will become false if no limits are
present for the debounce time.
Compressor Running The output is true whenever any compressor is running.
Circuit 1 Running The output is true whenever any compressor of Circuit 1 is running.
Circuit 2 Running The output is true whenever any compressor of Circuit 2 is running.
Ice Building This output is true when Ice Building status is active.
Maximum Capacity The output is true whenever the unit has reached maximum capacity continuously for the Max Capacity
Relay s time. The output is false when the unit is not at maximum capacity continuously for the lter time.
Evaporator Water
Freeze Avoidance
Request
This relay output is energized any time either the Low Evaporator Water Temperature – Unit Off or the
Low Evaporator Temperature Ckt x – Unit Off diagnostics are active. This relay is intended for use as an
external interlock for a eld engineered and provided solution to mitigate the freeze danger implied by
these diagnostics. Generally, this would be used in cases where operation of the evaporator water pump is
unacceptable due to the system constraints, (i.e. such as mixing unconditioned warm water with controlled
supply water as provided by other parallel chillers. The relay’s output can provide the method to close
bypass valves so the circulation becomes local to the evap and excludes the load, or can be used to defeat
the evap pump override entirely while initiating an independent source of heat / ow to the evap.
None: This selection is desirable to provide an easy way for a customer to defeat the effect of the relay, if it has
already been wired. For instance, if the relay was normally programmed as an “alarm” relay, and was
wired to a claxon, it may be desirable to temporarily defeat the feature without changing wiring.
Service request (for
Unit, Compressor(s)
or water pump):
This relay will be energized when at least one Maintenance alert condition (refer to Service required
message specication) occurs, as long as at least one of associated informational diagnostic(s) will be
active.
Warning
The output is true whenever there is any active warning diagnostic that is associated with the Unit, Circuit, or any of
the compressors on a circuit.

RLC-SVU007B-GB
8
4 UNT-PRC002-GB
Technical Data
FWD 08 12 20 30 45
Power supply (V/Ph/Hz) 230/1/50
Capacities
Cooling capacity on water (1) (kW) 5,2 8,3 15 18,8 30,1
Heating capacity on water (2) (kW) 6,3 11,9 18,9 20,9 38,2
Fan motor (type) 2 x direct drive centrifugal
Fan power input (3) (kW) 0,23 0,46 0,65 1,04 1,51
Current amps (3) (A) 1,1 2,2 3,1 4,7 5,5
Start-up amps (A) 3,2 5,5 9,3 14,1 16,5
Air flow
minimum (m3/h) 490 980 1400 1800 2700
nominal (m3/h) 820 1650 2300 3000 4500
maximum (m3/h) 980 1970 2600 3600 5400
Main coil
Water entering/leaving connections (type) ISO R7 rotating female
(Dia) 3/4" 3/4" 1 1/2" 1 1/2" 1 1/2"
Electric heater (accessory for blower only)
Electric power supply (V/Ph/Hz) 230/1/50 230/1/50 or 400/3/50 400/3/50 400/3/50 400/3/50
Heating capacity (kW) 2/4 8 10 12 12
Hot water coil (accessory for blower only)
Heating capacity (4) (kW) 6,3 12 17,4 22,4 34,5
G2 filter (filter box accessory)
Quantity 2 2 2 2 2
Dimensions ( LxWxth) (mm) 386x221x8 486x271x8 586x321x8 586*421*8 586*621*8
G4 filter (filter box accessory)
Quantity - 2 2 2 2
Dimensions ( LxWxth) (mm) - 486x264x48 586x314x48 586*414*48 586*614*48
Condensate pump (accessory) (type) Centrifugal
Water flow - lift height (l/h - mm) 24 - 500
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
Sound pressure level (5) (dB(A)) 36/40/43 38/41/44 46/50/53 47/52/57 47/52/58
Sound power level (5) (dB(A)) 46/50/53 48/51/54 56/60/63 57/62/67 57/62/68
Unit dimensions
Width x Depth (mm) 890 x 600 1090 x 710 1290 x 820 1290 x 970 1290 x 1090
Height (mm) 250 300 350 450 650
Shipped unit dimensions
Width x Depth (mm) 933 x 644 1133 x 754 1333 x 864 1333 x 1008 1333*1133
Height (mm) 260 310 360 460 660
Weight (kg) 32 46 61 76 118
Colour galvanised steel
Recommended fuse size
Unit alone (aM/gI) (A) 8/16 8/16 8/16 8/25 8/25
Unit with electric heater (gI) (A) 16 (2kW),25 (4kW) 40 (230V),3*16 (400V) 3*20 3*25 3*25
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
(3) At high speed with nominal air flow.
(4) Water entering/leaving temperature 90/70 °C, air inlet temperature 20 °C DB, Nominal air flow.
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Heat exchanger operating limits:
FWD:
*water temperature: max 100° C
*absolute service pressure: min 1 bar/max 11 bars
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
*absolute service pressure: min 1 bar/max 11 bars
Relay Assignments Using
Tracer™ TU
Tracer™TU ServiceTool is used to install the
Programmable Relay Option package and assign any
of the above lists of events or status to each of the four
relays provided with the option. (See “Tracer™TU,” p. 38
for more information on theTracerTU service tool)The
relays to be programmed are referred to by the relay’s
terminal numbers on the LLID board 1A10.
The default assignments for the four available relays of
the Programmable Relay option are:
Table 4 - Programmable Relay option Default assignments
Relay
Relay 0 Terminals J2 - 1,2,3: Head pressure
Relay 1 Terminals J2 - 4,5,6: Limit mode
Relay 2 Terminals J2 - 7,2,3: Alarm
Relay 3 Terminals J2 – 10,11,12: CMP Running Relay
The eight available relays in the Alarm Package Option
are assigned with the following defaults as follows:
Table 5 - Alarm Package Relay option Default assignments
LLID Name LLD Software
Relay Designation Output Name Default
Operating Status
Programmable Relays
Module 1
Relay 0 Status Relay 1, J2-1,2,3 Evaporator Water Freeze Avoidance Request
Relay 1 Status Relay 2, J2-4,5,6 Maximum Capacity
Relay 2 Status Relay 3, J2-7,8,9 Compressor Running
Relay 3 Status Relay 4, J2-10,11,12 Latching Alarm
Operating Status
Programmable Relays
Module 2
Relay 4 Status Relay 5, J2-1,2,3 Alarm Ckt 2
Relay 5 Status Relay 6, J2-4,5,6 Alarm Ckt 1
Relay 6 Status Relay 7, J2-7,8,9 Alarm (Latching or Non latching)
Relay 7 Status Relay 8, J2-10,11,12 Non Latching Alarm
If any of the Alarm/Status relays are used, provide
electrical power, 115 VAC with fused-disconnect to the
panel and wire through the appropriate relays (terminals
on 1A10). Provide wiring (switched hot, neutral, and
ground connections) to the remote annunciation devices.
Do not use power from the chiller’s control panel
transformer to power these remote devices. Refer to the
field diagrams which are shipped with the unit.

RLC-SVU007B-GB 9
11UNT-PRC002-GB
Sound power levels
Discharge
Measurement conditions:
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
long) fixed to its discharge opening.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 55 50 42 37 37 31 30 46
FWD 08 2 57 54 47 40 30 38 40 50
3 58 57 50 42 32 40 43 53
1 57 51 45 42 34 33 28 48
FWD 10 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 57 51 45 42 34 33 28 48
FWD 12 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 56 62 50 48 39 38 36 56
FWD 14 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
1 57 63 51 49 40 39 37 57
FWD 20 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
Intake
Measurement conditions:
Measurements taken at the horizontal air intake.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 56 55 55 53 46 45 42 57
FWD 08 2 63 62 60 60 53 53 53 64
3 66 65 63 62 56 55 57 67
1 62 58 55 58 51 48 44 61
FWD 10 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 62 58 55 58 51 48 44 61
FWD 12 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 66 65 65 65 57 50 46 68
FWD 14 2 73 72 69 71 64 59 57 74
3 78 76 73 75 69 64 63 78
1 68 72 64 64 56 52 50 69
FWD 20 2 76 76 68 71 65 61 61 75
3 78 79 71 74 69 66 66 78
Low Voltage Wiring / Ice Making (Optional)
Low Voltage Wiring
The remote devices described below require low voltage
wiring. All wiring to and from these remote input devices
to the Control Panel must be made with shielded, twisted
pair conductors. Be sure to ground the shielding only at
the panel.
Important:
To prevent control malfunctions, do not run low voltage
wiring (<30 V) in conduit with conductors carrying more
than 30 volts.
Emergency Stop
UC800 provides auxiliary control for a customer
specified/installed latching trip out. When customer
furnished remote contact 6S2, the chiller will run
normally when the contact is closed. When the contact
opens, the unit will stop and a manually resettable
diagnostic is generated.This condition requires manual
reset at the chiller switch on the front of the control
panel.
This customer-furnished contact must be compatible
with 24 VDC, 12 mA resistive load.
External Auto/Stop
If the unit requires external Auto/Stop function, the
installer must provide remote contact 6S1.
The chiller will run normally when the contact is closed.
When contact opens, the compressor(s), if operating, will
go to the RUN: UNLOAD operating mode and cycle off.
Unit operation will be inhibited. Closure of the contact
will permit the unit to return to normal operation.
Field-supplied contacts for all low voltage connections
must be compatible with dry circuit 24 VDC for a 12mA
resistive load. Refer to the field diagrams that are
shipped with the unit.
Ice Making (Optional)
When the Ice Making Command is removed (i.e. all
the installed Ice Making inputs are set to “auto”), the
compressors shall be stopped after the run unload
period (if not already stopped due to Ice Making
Complete).The chiller shall return to normal Auto mode
of operation, and allowed to restart only after enforcing a
2 minute delay called the “Ice to NormalTransition time”.
During this inhibit, the Evaporator water flow request
shall be commanded on. After the delay, the chiller can
restart again per the differential to start and the normal
Chilled Water Setpoint (or Hot Water Setpoint – if in
Heating Mode).The Ice To NormalTransition inhibit shall
be annunciated as a Chiller Submode and a countdown
timer showing the remaining time left shall be displayed.
Ice Making Configuration:
Ice Making is configured throughTU, and there shall be
two installation options:
1. Not Installed
2. Installed with Hardware
Ice Making: Not Installed
If the Ice Building Configuration item is set to ‘Not
Installed’, the application will not build the Ice Making
objects, and will require none of the Ice Making specific
LLIDS.
Ice Making: Installed with Hardware
If the Ice Making Configuration item is set to ‘Installed’,
the application will require the following LLIDs:
• External Ice Making Input (Dual Low Voltage Binary
Input)
Ice Making Setpoints:
After Ice Making is configured, there shall be three Ice
Making Settings or Setpoints:
1. Ice Making Command
2. Ice Making Enable/Disable
3. Ice MakingTermination Setpoint
The ice making setpoints can all be manipulated through
TU. Some of the Setpoints can be manipulated with User
Interface on the Display, the External Hardware Interface
BAS (if a BAS is installed).
The setpoints associated with ice making are explained
in more detail below.
Ice Making Command
This is the command to enter ice making.This setting is
defined as an Auto/On settings. Setting this to On will
command the application into ice building if ice building
is enabled and the Chiller is in the “Auto” command
mode. Setting the Ice Making command to Auto will
command the application to follow the next priority
functional mode.
Regardless of the setting of the Setpoint Source (see
setpoint arbitration.doc) any of the following 4 signals
can combine to comprise the Ice Building Command
(assuming they are each installed).
Contact closure input for External Ice Making Command
Front Panel Ice Making Command (also writable from
TU Lontalk Communicated Ice Making Command (LCI-C,
BACnet, Modbus)
Time of Day scheduler
All ice making signals have to be turned to “auto” to be
able to turn back Ice Making Command to “Auto” mode.
The overall Ice Making Command, must be toggled from
“Ice Making”, to “Auto” to “Ice Making” again, before Ice
Making can be entered a second time.
Ice Making Enable/Disable setting
This setting does not start or stop ice building.This is
the command to enable or disable the entire ice building
feature. It can only be set through the Display orTU.The
Ice Making Command starts and stops ice building.
Ice Making Termination setpoint
This setpoint controls when Ice Making is complete. If
the Entering WaterTemperature decreases below this
setpoint with no deadband Ice Making will be deemed
complete. This setpoint has a range of –6.7°C (20°F) to
0°C (32°F) with a default of -2.8°C (27°F).

RLC-SVU007B-GB
10
4 UNT-PRC002-GB
Technical Data
FWD 08 12 20 30 45
Power supply (V/Ph/Hz) 230/1/50
Capacities
Cooling capacity on water (1) (kW) 5,2 8,3 15 18,8 30,1
Heating capacity on water (2) (kW) 6,3 11,9 18,9 20,9 38,2
Fan motor (type) 2 x direct drive centrifugal
Fan power input (3) (kW) 0,23 0,46 0,65 1,04 1,51
Current amps (3) (A) 1,1 2,2 3,1 4,7 5,5
Start-up amps (A) 3,2 5,5 9,3 14,1 16,5
Air flow
minimum (m3/h) 490 980 1400 1800 2700
nominal (m3/h) 820 1650 2300 3000 4500
maximum (m3/h) 980 1970 2600 3600 5400
Main coil
Water entering/leaving connections (type) ISO R7 rotating female
(Dia) 3/4" 3/4" 1 1/2" 1 1/2" 1 1/2"
Electric heater (accessory for blower only)
Electric power supply (V/Ph/Hz) 230/1/50 230/1/50 or 400/3/50 400/3/50 400/3/50 400/3/50
Heating capacity (kW) 2/4 8 10 12 12
Hot water coil (accessory for blower only)
Heating capacity (4) (kW) 6,3 12 17,4 22,4 34,5
G2 filter (filter box accessory)
Quantity 2 2 2 2 2
Dimensions ( LxWxth) (mm) 386x221x8 486x271x8 586x321x8 586*421*8 586*621*8
G4 filter (filter box accessory)
Quantity - 2 2 2 2
Dimensions ( LxWxth) (mm) - 486x264x48 586x314x48 586*414*48 586*614*48
Condensate pump (accessory) (type) Centrifugal
Water flow - lift height (l/h - mm) 24 - 500
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
Sound pressure level (5) (dB(A)) 36/40/43 38/41/44 46/50/53 47/52/57 47/52/58
Sound power level (5) (dB(A)) 46/50/53 48/51/54 56/60/63 57/62/67 57/62/68
Unit dimensions
Width x Depth (mm) 890 x 600 1090 x 710 1290 x 820 1290 x 970 1290 x 1090
Height (mm) 250 300 350 450 650
Shipped unit dimensions
Width x Depth (mm) 933 x 644 1133 x 754 1333 x 864 1333 x 1008 1333*1133
Height (mm) 260 310 360 460 660
Weight (kg) 32 46 61 76 118
Colour galvanised steel
Recommended fuse size
Unit alone (aM/gI) (A) 8/16 8/16 8/16 8/25 8/25
Unit with electric heater (gI) (A) 16 (2kW),25 (4kW) 40 (230V),3*16 (400V) 3*20 3*25 3*25
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
(3) At high speed with nominal air flow.
(4) Water entering/leaving temperature 90/70 °C, air inlet temperature 20 °C DB, Nominal air flow.
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Heat exchanger operating limits:
FWD:
*water temperature: max 100° C
*absolute service pressure: min 1 bar/max 11 bars
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
*absolute service pressure: min 1 bar/max 11 bars
Ice Making (Optional)
Evaporator Application defines controls settings: if ICE
is selected, Ice making is enabled. Specific hardware is
required for ice making command input and ice making
status relay output.
UC800 provides auxiliary control thanks to Ice Making
Status Relay.The normally open contact will be closed
when ice making is in progress and open when ice
making has been normally terminated either through
IceTermination setpoint being reached or removal of
the Ice Making command.This relay inform customer
equipment with chiller mode changes from “ice making”
to “ice complete”
When contact is provided, the chiller will run normally
when the contact is open.
UC800 will accept either an isolated contact closure
(External Ice Making command) or a Remote
Communicated input (Tracer) to initiate and command
the Ice Making mode.
UC800 also provides a “Front Panel IceTermination
Setpoint”, settable throughTracer™TU, and adjustable
from 20 to 31°F (-6.7 to -0.5°C) in at least 1°F (1°C)
increments.
Note:
When the unit runs in Ice Making mode, and the
evaporator entering water temperature drops below the
ice termination setpoint, the chiller terminates the Ice
Making mode and changes to the Ice Making Complete
Mode.
NOTICE:
Equipment Damage!
Freeze inhibitor must be adequate for leaving water
temperature unless system components can be
damaged.
Tracer™TU must also be used to enable or disable Ice
Machine Control.This setting does not prevent theTracer
from commanding Ice Making mode. Upon contact
closure, the UC800 will initiate an ice making mode, in
which the unit runs fully loaded at all times. Ice making
shall be terminated either by opening the contact or
based on the entering evaporator water temperature.
UC800 will not permit the ice making mode to be entered
again until the unit has been switched out of ice making
mode.
If, while in ice making mode, the unit gets down to the
freeze stat setting (water or refrigerant), the unit will
shut down on a manually resettable diagnostic, just as in
normal operation.
Connect leads to the proper terminals. Refer to the field
diagrams which are shipped with the unit.This customer
supplied contacts must be compatible with 24 VDC,
12 mA resistive load.

RLC-SVU007B-GB 11
11UNT-PRC002-GB
Sound power levels
Discharge
Measurement conditions:
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
long) fixed to its discharge opening.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 55 50 42 37 37 31 30 46
FWD 08 2 57 54 47 40 30 38 40 50
3 58 57 50 42 32 40 43 53
1 57 51 45 42 34 33 28 48
FWD 10 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 57 51 45 42 34 33 28 48
FWD 12 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 56 62 50 48 39 38 36 56
FWD 14 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
1 57 63 51 49 40 39 37 57
FWD 20 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
Intake
Measurement conditions:
Measurements taken at the horizontal air intake.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 56 55 55 53 46 45 42 57
FWD 08 2 63 62 60 60 53 53 53 64
3 66 65 63 62 56 55 57 67
1 62 58 55 58 51 48 44 61
FWD 10 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 62 58 55 58 51 48 44 61
FWD 12 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 66 65 65 65 57 50 46 68
FWD 14 2 73 72 69 71 64 59 57 74
3 78 76 73 75 69 64 63 78
1 68 72 64 64 56 52 50 69
FWD 20 2 76 76 68 71 65 61 61 75
3 78 79 71 74 69 66 66 78
External setpoints & capacity outputs (Optional)
External Chilled Water Setpoint (ECWS)
The UC800 provides inputs that accept either 4-20 mA or
2-10 VDC signals to set the external chilled water setpoint
(ECWS).This is not a reset function. The input defines the
setpoint.This input is primarily used with generic BAS
(building automation systems).
Functional Description
When the unit is in cooling mode, the external water
setpoint (EWS) will correspond to the chilled water
setpoint.The external chilled water setpoint shall have a
configurable minimum and maximum.
2-10 VDC and 4-20 mA shall each correspond to an EWS
range with a configurable minimum and maximum EWS.
The following relationships exist:
Input Signal External Water Setpoint
< 1 VDC Invalid
1 VDC to 2 VDC min
2 VDC to 10 VDC min + (max – min) *
(Signal – 2) / 8
10 VDC to 11 VDC max
> 11 VDC Invalid
< 2 mA Invalid
2 mA to 4 mA min
4 mA to 20 mA min + (max – min) *
(Signal – 4) / 16
20 mA to 22 mA max
> 22 mA Invalid
If the ECWS input develops an open or short, the LLID
will report either a very high or very low value back to
the main processor.This will generate an informational
diagnostic and the unit will default to using the Front
Panel (TD7) Chilled Water Setpoint.
TracerTU ServiceTool is used to set the input signal type
from the factory default of 2-10 VDC to that of 4-20 mA.
TracerTU is also used to install or remove, enable or
disable the External Chilled Water Setpoint.
Examples
The following graphs are examples for min = -12.2°C and
max = 18.3°C:

RLC-SVU007B-GB
12
4 UNT-PRC002-GB
Technical Data
FWD 08 12 20 30 45
Power supply (V/Ph/Hz) 230/1/50
Capacities
Cooling capacity on water (1) (kW) 5,2 8,3 15 18,8 30,1
Heating capacity on water (2) (kW) 6,3 11,9 18,9 20,9 38,2
Fan motor (type) 2 x direct drive centrifugal
Fan power input (3) (kW) 0,23 0,46 0,65 1,04 1,51
Current amps (3) (A) 1,1 2,2 3,1 4,7 5,5
Start-up amps (A) 3,2 5,5 9,3 14,1 16,5
Air flow
minimum (m3/h) 490 980 1400 1800 2700
nominal (m3/h) 820 1650 2300 3000 4500
maximum (m3/h) 980 1970 2600 3600 5400
Main coil
Water entering/leaving connections (type) ISO R7 rotating female
(Dia) 3/4" 3/4" 1 1/2" 1 1/2" 1 1/2"
Electric heater (accessory for blower only)
Electric power supply (V/Ph/Hz) 230/1/50 230/1/50 or 400/3/50 400/3/50 400/3/50 400/3/50
Heating capacity (kW) 2/4 8 10 12 12
Hot water coil (accessory for blower only)
Heating capacity (4) (kW) 6,3 12 17,4 22,4 34,5
G2 filter (filter box accessory)
Quantity 2 2 2 2 2
Dimensions ( LxWxth) (mm) 386x221x8 486x271x8 586x321x8 586*421*8 586*621*8
G4 filter (filter box accessory)
Quantity - 2 2 2 2
Dimensions ( LxWxth) (mm) - 486x264x48 586x314x48 586*414*48 586*614*48
Condensate pump (accessory) (type) Centrifugal
Water flow - lift height (l/h - mm) 24 - 500
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
Sound pressure level (5) (dB(A)) 36/40/43 38/41/44 46/50/53 47/52/57 47/52/58
Sound power level (5) (dB(A)) 46/50/53 48/51/54 56/60/63 57/62/67 57/62/68
Unit dimensions
Width x Depth (mm) 890 x 600 1090 x 710 1290 x 820 1290 x 970 1290 x 1090
Height (mm) 250 300 350 450 650
Shipped unit dimensions
Width x Depth (mm) 933 x 644 1133 x 754 1333 x 864 1333 x 1008 1333*1133
Height (mm) 260 310 360 460 660
Weight (kg) 32 46 61 76 118
Colour galvanised steel
Recommended fuse size
Unit alone (aM/gI) (A) 8/16 8/16 8/16 8/25 8/25
Unit with electric heater (gI) (A) 16 (2kW),25 (4kW) 40 (230V),3*16 (400V) 3*20 3*25 3*25
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
(3) At high speed with nominal air flow.
(4) Water entering/leaving temperature 90/70 °C, air inlet temperature 20 °C DB, Nominal air flow.
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Heat exchanger operating limits:
FWD:
*water temperature: max 100° C
*absolute service pressure: min 1 bar/max 11 bars
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
*absolute service pressure: min 1 bar/max 11 bars
External setpoints & capacity outputs (Optional)
External Current Limit Setpoint (ECLS)
Like previously, either 2-10 VDC (default) or 4-20 mA
inputs are available as option to set External Current
Limit Setpoint.The Demand Limit Setting can also be set
via theTracerTD7 or through digital communication with
Tracer (Comm4).The arbitration of the various sources
of demand limit is described in the flow charts at the end
of this section.The External Current Limit Setpoint may
be changed from a remote location by hooking up the
analog input signal to the 1A19 LLID terminals 5 and 6.
Refer to the following paragraph on Analog Input Signal
Wiring Details.
Functional Description
The UCM shall accept either a 2-10 VDC or 4-20 mA
analog input suitable for customer connection to set the
unit external current limit set point (ECLS).
2-10 VDC and 4-20 mA shall each correspond to a 60
to 120% RLA range for units using GP2 compressors
and 50% to 100% for units using CHHC compressors.
The following equations exist.
Voltage Signal
As generated from Vdc=0.133*(%)-0.6
external source
As processed by UCM %=7.5*(VDC)+45.0
Current Signal
As generated from mA=0.266*(%)-12.0
external source
As processed by UCM %=3.75*(mA)+45.0
If the EDLS input develops an open or short, the LLID
will report either a very high or very low value back to
the main processor.This will generate an informational
diagnostic and the unit will default to using the Front
Panel (TracerTD7) Demand Limit Setpoint.
TheTracer™TU ServiceTool must be used to set the
input signal type from the factory default of 2-10 VDC to
that of 4-20 mA current.TracerTU must be also be used
to install or remove the External Current Limit Setpoint
Option for field installation, or can be used to enable or
disable the feature (if installed).
Current limit Setpoint via 2-10 VDC signal
Current limit Setpoint via 4-20 mA signal

RLC-SVU007B-GB 13
11UNT-PRC002-GB
Sound power levels
Discharge
Measurement conditions:
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
long) fixed to its discharge opening.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 55 50 42 37 37 31 30 46
FWD 08 2 57 54 47 40 30 38 40 50
3 58 57 50 42 32 40 43 53
1 57 51 45 42 34 33 28 48
FWD 10 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 57 51 45 42 34 33 28 48
FWD 12 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 56 62 50 48 39 38 36 56
FWD 14 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
1 57 63 51 49 40 39 37 57
FWD 20 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
Intake
Measurement conditions:
Measurements taken at the horizontal air intake.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 56 55 55 53 46 45 42 57
FWD 08 2 63 62 60 60 53 53 53 64
3 66 65 63 62 56 55 57 67
1 62 58 55 58 51 48 44 61
FWD 10 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 62 58 55 58 51 48 44 61
FWD 12 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 66 65 65 65 57 50 46 68
FWD 14 2 73 72 69 71 64 59 57 74
3 78 76 73 75 69 64 63 78
1 68 72 64 64 56 52 50 69
FWD 20 2 76 76 68 71 65 61 61 75
3 78 79 71 74 69 66 66 78
External setpoints & capacity outputs (Optional)
ECWS and ECLS Analog Input Signal
Wiring Details
Both the ECWS and ECLS can be connected and setup as
either a 2-10 VDC (factory default), 4-20 mA, or resistance
input (also a form of 4-2OmA) as indicated below.
TracerTU must be used to set Analog Input Signal LLID
type.
This is done by a setting change on the CustomTab of
the Configuration View withinTracerTU.
Priority
When Not Installed, external chilled water setpoint
analog input, external demand limit setpoint analog
input and auxiliary binary input setpoint enable will not
be used (Front panel or BAS sources used, depending
which one is valid).
Setpoint Source selections are: BAS/Ext/FP, Ext/FP, or
Front Panel
When Installed, both analog I/O and binary will be used,
with respect of following status:
• External chilled water setpoint: IF it is the
highest priority and it is a valid sourceTHEN
use this external setpoint for active chilled
water setpoint.
• External demand limit setpoint: IF it is the
highest priority and it is a valid sourceTHEN
use this external setpoint for active demand
limit setpoint.
• External auxiliary chilled water setpoint enable
input: IF setpoint source is set to external/Front
Panel or Front PanelTHEN:
− IF input open, use the next highest
priority setpoint source (see priority list
below)
− IF input closed, use the auxiliary chilled
water setpoint
Note on auxiliary chilled water setpoint source:
• Not Installed: auxiliary chilled water setpoint
not used
• Front Panel: front panel auxiliary chilled water
setpoint used instead of front panel chilled
water setpoint
• External: the setpoint used will depend on
binary input state.
Priority (from highest to lowest):
• BAS communication (Bacnet, Lonworks or
Modbus)
• Ice Making
• External setpoints
• Front Panel setpoints
Important:
For proper unit operation, BOTH the ECLS and ECWS
settings MUST be the same (2-10 VDC or 4-20mA), even
if only one input is to be used.

RLC-SVU007B-GB
14
4 UNT-PRC002-GB
Technical Data
FWD 08 12 20 30 45
Power supply (V/Ph/Hz) 230/1/50
Capacities
Cooling capacity on water (1) (kW) 5,2 8,3 15 18,8 30,1
Heating capacity on water (2) (kW) 6,3 11,9 18,9 20,9 38,2
Fan motor (type) 2 x direct drive centrifugal
Fan power input (3) (kW) 0,23 0,46 0,65 1,04 1,51
Current amps (3) (A) 1,1 2,2 3,1 4,7 5,5
Start-up amps (A) 3,2 5,5 9,3 14,1 16,5
Air flow
minimum (m3/h) 490 980 1400 1800 2700
nominal (m3/h) 820 1650 2300 3000 4500
maximum (m3/h) 980 1970 2600 3600 5400
Main coil
Water entering/leaving connections (type) ISO R7 rotating female
(Dia) 3/4" 3/4" 1 1/2" 1 1/2" 1 1/2"
Electric heater (accessory for blower only)
Electric power supply (V/Ph/Hz) 230/1/50 230/1/50 or 400/3/50 400/3/50 400/3/50 400/3/50
Heating capacity (kW) 2/4 8 10 12 12
Hot water coil (accessory for blower only)
Heating capacity (4) (kW) 6,3 12 17,4 22,4 34,5
G2 filter (filter box accessory)
Quantity 2 2 2 2 2
Dimensions ( LxWxth) (mm) 386x221x8 486x271x8 586x321x8 586*421*8 586*621*8
G4 filter (filter box accessory)
Quantity - 2 2 2 2
Dimensions ( LxWxth) (mm) - 486x264x48 586x314x48 586*414*48 586*614*48
Condensate pump (accessory) (type) Centrifugal
Water flow - lift height (l/h - mm) 24 - 500
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
Sound pressure level (5) (dB(A)) 36/40/43 38/41/44 46/50/53 47/52/57 47/52/58
Sound power level (5) (dB(A)) 46/50/53 48/51/54 56/60/63 57/62/67 57/62/68
Unit dimensions
Width x Depth (mm) 890 x 600 1090 x 710 1290 x 820 1290 x 970 1290 x 1090
Height (mm) 250 300 350 450 650
Shipped unit dimensions
Width x Depth (mm) 933 x 644 1133 x 754 1333 x 864 1333 x 1008 1333*1133
Height (mm) 260 310 360 460 660
Weight (kg) 32 46 61 76 118
Colour galvanised steel
Recommended fuse size
Unit alone (aM/gI) (A) 8/16 8/16 8/16 8/25 8/25
Unit with electric heater (gI) (A) 16 (2kW),25 (4kW) 40 (230V),3*16 (400V) 3*20 3*25 3*25
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
(3) At high speed with nominal air flow.
(4) Water entering/leaving temperature 90/70 °C, air inlet temperature 20 °C DB, Nominal air flow.
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Heat exchanger operating limits:
FWD:
*water temperature: max 100° C
*absolute service pressure: min 1 bar/max 11 bars
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
*absolute service pressure: min 1 bar/max 11 bars
Chilled Water Reset (CWR)
Functional Description
The UC800 shall reset the chilled water temperature
setpoint based on return water temperature or outdoor
air temperature.The Return Reset and Outdoor Reset
functions are standard.
The chilled water reset settings are as follows:
1. ResetType –The following options are selectable: No
Chilled Water Reset, Outdoor AirTemperature Reset,
Return WaterTemperature Reset, or Constant Return
WaterTemperature Reset.
2. Reset Ratio – For Outdoor AirTemperature Reset, both
positive and negative reset ratios will be allowed.
3. Start Reset
4. Maximum Reset –The maximum resets shall be with
respect to the chilled water setpoint.
All parameters shall be factory set to a pre determined
set of values. Field adjustment of two, three and four
above is expected to be very infrequent. Pre determined
factory settings shall be set for all ResetTypes.
Variable definitions:
CWS – Arbitrated chilled water setpoint, before any reset
has occurred
CWS’ – Active chilled water setpoint, includes the effect
of chilled water reset
CWR – Amount of chilled water reset (also called Degrees
of Reset).
The above quantities are related by the equation:
CWS’ = CWS + CWR
or
CWR = CWS’ – CWS
With the chiller running and any type of chilled water
reset enabled, CWR is allowed to change at a maximum
rate of -17.2°C every 5 minutes until the actual CWR
equals the desired CWR. When the chiller is not running,
actual CWR shall be set equal to the desired CWR within
one minute (no maximum rate is in effect).
If Chilled Water Reset is disabled, desired CWR is 0.
Additional variable definitions:
RESET RATIO – User adjustable gain
START RESET – User adjustable reference
TOD – Outdoor air temperature
TWE – Evaporator entering water temperature
TWL – Evaporator leaving water temperature
MAXIMUM RESET – User adjustable limit providing
the maximum amount of reset.
The equations for each type of reset:
Outdoor Air Temperature Reset
CWR = RESET RATIO * (START RESET –TOD)
With limits:
CWR > 0
CWR < Maximum Reset
Return Water Temperature Reset
CWR = RESET RATIO * (START RESET – (TWE –TWL))
With limits:
CWR > 0
CWR < Maximum Reset
Constant Return Water Temperature Reset
CWR = 100% * (Design DeltaTemperature –
(TWE –TWL))
With limits:
CWR > 0
CWR < Design DeltaTemperature
Using the Equations for calculating CWR
Notes for doing calculations:
Equation used to get Degrees of Reset:
Outdoor Air:
Degrees of Reset = Reset Ratio * (Start Reset -TOD)
Return Reset:
Degrees of Reset = Reset Ratio * (Start Reset -
(TWE -TWL))
Const Return:
Degrees of Reset = 100% * (Design DeltaTemp -
(TWE -TWL))
To obtain Active CWS from Degrees of Reset:
Active CWS = Degrees of Reset + Arbitrated CWS
Note: Arbitrated CWS can either be Front Panel, BAS,
or External
Reset Ratio calculation:
The Reset Ratio on the User Interface is displayed as a
percentage. To use it in the above equation it must be
converted to its decimal form.
Reset Ratio percent / 100 = Reset Ratio decimal
Example of converting Reset Ratio:
If the Reset Ratio displayed on the User Interface is
50% then use (50/100) = .5 in the equation
TOD = Outdoor Air Temp
TWE = Evap Entering WaterTemp
TWL = Evap Leaving WaterTemp

RLC-SVU007B-GB 15
11UNT-PRC002-GB
Sound power levels
Discharge
Measurement conditions:
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
long) fixed to its discharge opening.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 55 50 42 37 37 31 30 46
FWD 08 2 57 54 47 40 30 38 40 50
3 58 57 50 42 32 40 43 53
1 57 51 45 42 34 33 28 48
FWD 10 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 57 51 45 42 34 33 28 48
FWD 12 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 56 62 50 48 39 38 36 56
FWD 14 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
1 57 63 51 49 40 39 37 57
FWD 20 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
Intake
Measurement conditions:
Measurements taken at the horizontal air intake.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 56 55 55 53 46 45 42 57
FWD 08 2 63 62 60 60 53 53 53 64
3 66 65 63 62 56 55 57 67
1 62 58 55 58 51 48 44 61
FWD 10 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 62 58 55 58 51 48 44 61
FWD 12 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 66 65 65 65 57 50 46 68
FWD 14 2 73 72 69 71 64 59 57 74
3 78 76 73 75 69 64 63 78
1 68 72 64 64 56 52 50 69
FWD 20 2 76 76 68 71 65 61 61 75
3 78 79 71 74 69 66 66 78
Chilled Water Reset (CWR)
The following graph shows the reset function for
Outdoor AirTemp:
Note:This graph assumes that Maximum Reset is set
to 11.11 °C
Example of Calculating Reset for Outdoor AirTemp:
If:
Reset Ratio = 35%
Start Reset =26.67 °C
TOD = 18.33 °C
Maximum Reset = 5.83 °C
How many Degrees of Reset will there be?
Degrees of Reset = Reset Ratio*(Start Reset -TOD)
Degrees of Reset = .35*(26.67-18.33)
Degrees of Reset = 2.92
If:
Reset Ratio = -70%
Start Reset =32.22 °C
TOD =37.77°C
Maximum Reset =9.44 °C
How many Degrees of Reset will there be?
Degrees of Reset = Reset Ratio*(Start Reset -TOD)
Degrees of Reset = -.7*(32.22-37.77)
Degrees of Reset = 3.89
The following graph illustrates the reset functions of the
above examples:
The following graph shows the reset function for Return
Chilled Water Reset:
Note:This graph assumes Maximum Reset is set to
-6.7°C.
TWE-TWL is the difference between the evaporator
entering water temp and the evaporator leaving water
temperature.
Using the Equation for calculating CWR for Return Water
Temp
Example of Calculating Reset for Return WaterTemp:
If:
Reset Ratio = 50%
Start Reset = -6.67°C
TWE = 18.3°C
TWL = 7.22°C
Maximum Reset = 4.44°C

RLC-SVU007B-GB
16
4 UNT-PRC002-GB
Technical Data
FWD 08 12 20 30 45
Power supply (V/Ph/Hz) 230/1/50
Capacities
Cooling capacity on water (1) (kW) 5,2 8,3 15 18,8 30,1
Heating capacity on water (2) (kW) 6,3 11,9 18,9 20,9 38,2
Fan motor (type) 2 x direct drive centrifugal
Fan power input (3) (kW) 0,23 0,46 0,65 1,04 1,51
Current amps (3) (A) 1,1 2,2 3,1 4,7 5,5
Start-up amps (A) 3,2 5,5 9,3 14,1 16,5
Air flow
minimum (m3/h) 490 980 1400 1800 2700
nominal (m3/h) 820 1650 2300 3000 4500
maximum (m3/h) 980 1970 2600 3600 5400
Main coil
Water entering/leaving connections (type) ISO R7 rotating female
(Dia) 3/4" 3/4" 1 1/2" 1 1/2" 1 1/2"
Electric heater (accessory for blower only)
Electric power supply (V/Ph/Hz) 230/1/50 230/1/50 or 400/3/50 400/3/50 400/3/50 400/3/50
Heating capacity (kW) 2/4 8 10 12 12
Hot water coil (accessory for blower only)
Heating capacity (4) (kW) 6,3 12 17,4 22,4 34,5
G2 filter (filter box accessory)
Quantity 2 2 2 2 2
Dimensions ( LxWxth) (mm) 386x221x8 486x271x8 586x321x8 586*421*8 586*621*8
G4 filter (filter box accessory)
Quantity - 2 2 2 2
Dimensions ( LxWxth) (mm) - 486x264x48 586x314x48 586*414*48 586*614*48
Condensate pump (accessory) (type) Centrifugal
Water flow - lift height (l/h - mm) 24 - 500
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
Sound pressure level (5) (dB(A)) 36/40/43 38/41/44 46/50/53 47/52/57 47/52/58
Sound power level (5) (dB(A)) 46/50/53 48/51/54 56/60/63 57/62/67 57/62/68
Unit dimensions
Width x Depth (mm) 890 x 600 1090 x 710 1290 x 820 1290 x 970 1290 x 1090
Height (mm) 250 300 350 450 650
Shipped unit dimensions
Width x Depth (mm) 933 x 644 1133 x 754 1333 x 864 1333 x 1008 1333*1133
Height (mm) 260 310 360 460 660
Weight (kg) 32 46 61 76 118
Colour galvanised steel
Recommended fuse size
Unit alone (aM/gI) (A) 8/16 8/16 8/16 8/25 8/25
Unit with electric heater (gI) (A) 16 (2kW),25 (4kW) 40 (230V),3*16 (400V) 3*20 3*25 3*25
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
(3) At high speed with nominal air flow.
(4) Water entering/leaving temperature 90/70 °C, air inlet temperature 20 °C DB, Nominal air flow.
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Heat exchanger operating limits:
FWD:
*water temperature: max 100° C
*absolute service pressure: min 1 bar/max 11 bars
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
*absolute service pressure: min 1 bar/max 11 bars
Chilled Water Reset (CWR)
How many Degrees of Reset will there be?
Degrees of Reset = Reset Ratio*(Start Reset - (TWE-TWL))
Degrees of Reset = .5*(-6.67-(18.3-7.22))
Degrees of Reset = -8.875
If:
Reset Ratio = 70%
Start Reset = -6.67°C
TWE = 15.55°C
TWL = 11.67°C
Maximum Reset = -10°C
How many Degrees of Reset will there be?
Degrees of Reset = Reset Ratio*(Start Reset - (TWE-TWL))
Degrees of Reset = .7*(-6.67-(15.55-11.67))
Degrees of Reset = -18.12
The following graph illustrates the Reset Actions of the
above examples:
The following graph illustrates the Reset Action of
Constant Return temperature:
Note:This graph assumes a Design Delta Temp of
-12.2°C.
Diagnostic
If any sensor measurement needed to perform the
currently selected chilled water reset type is invalid due
to loss of communication or sensor failure, the desired
CWR will be set to 0. The actual CWR is subject to
maximum rate limits described earlier.

RLC-SVU007B-GB 17
11UNT-PRC002-GB
Sound power levels
Discharge
Measurement conditions:
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
long) fixed to its discharge opening.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 55 50 42 37 37 31 30 46
FWD 08 2 57 54 47 40 30 38 40 50
3 58 57 50 42 32 40 43 53
1 57 51 45 42 34 33 28 48
FWD 10 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 57 51 45 42 34 33 28 48
FWD 12 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 56 62 50 48 39 38 36 56
FWD 14 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
1 57 63 51 49 40 39 37 57
FWD 20 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
Intake
Measurement conditions:
Measurements taken at the horizontal air intake.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 56 55 55 53 46 45 42 57
FWD 08 2 63 62 60 60 53 53 53 64
3 66 65 63 62 56 55 57 67
1 62 58 55 58 51 48 44 61
FWD 10 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 62 58 55 58 51 48 44 61
FWD 12 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 66 65 65 65 57 50 46 68
FWD 14 2 73 72 69 71 64 59 57 74
3 78 76 73 75 69 64 63 78
1 68 72 64 64 56 52 50 69
FWD 20 2 76 76 68 71 65 61 61 75
3 78 79 71 74 69 66 66 78
Smart Communication Protocol
LonTalk™ Interface (LCI-C)
UC800 provides an optional LonTalk™ Smart Com
Protocol (LCI-C) between the chiller and a Building
Automation System (BAS). An LCI-C LLID shall be
used to provide “gateway” functionality between a
LonTalk compatible device and the Chiller.The inputs/
outputs include both mandatory and optional network
variables as established by the LonMark Functional
Chiller Profile 8040. See integration guide for detailed
information.
BACnet Interface (BCNT)
The Building Automation and Control Network (BACnet
and ANSI/ASHRAE Standard 135-2004) protocol is a
standard that allows building automation systems or
components from different manufacturers to share
information and control functions. BACnet provides
building owners the capability to connect various
types of building control systems or subsystems
together for a variety of reasons. In addition, multiple
vendors can use this protocol to share information for
monitoring and supervisory control between systems
and devices in a multi-vendor interconnected system.
The BACnet interface identifies standard objects (data
points) called BACnet objects. Each object has a defined
list of properties that provide information about that
object. BACnet also defines a number of standard
application services that are used to access data and
manipulate these objects and provides a client/server
communication between devices. See integration guide
for detailed information.
BACnetTesting Laboratory (BTL)
Certification
AllTracer™ UC800 controllers are designed to support
BACnet Smart Com Protocol. In addition, some particular
revisions of the UC800 firmware have been tested and
have achieved BTL certification by an official BACnet
testing laboratory.
For more details, refer to the BTL website at
www.bacnetassociation.org.
ModBus RTU Interface
Modicon Communication Bus (Modbus) is an application
layer-messaging protocol that, like BACnet, provides
client/server communication between devices over
a variety of networks. During communications on a
Modbus RTU network, the protocol determines how
each controller will know its device address, recognize
a message addressed to its device, determine what
action to take, and extract any data or other information
contained in the message. Controllers communicate
using a master/slave technique, whereby, only one
device (master) can initiate transactions (queries). Other
devices (slaves) respond by supplying the requested
data to the master or by taking the action requested in
the query.
The master can address individual slaves or it can
initiate a broadcast message to all slaves. In turn,
the slaves respond to queries that are addressed to
them individually or broadcasted.The Modbus RTU
Interface establishes the format for the master’s query
by placing into it the device address, a function code
defining the requested action, any data to be sent, and
an error-checking field. See integration guide for detailed
information.

RLC-SVU007B-GB
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Technical Data
FWD 08 12 20 30 45
Power supply (V/Ph/Hz) 230/1/50
Capacities
Cooling capacity on water (1) (kW) 5,2 8,3 15 18,8 30,1
Heating capacity on water (2) (kW) 6,3 11,9 18,9 20,9 38,2
Fan motor (type) 2 x direct drive centrifugal
Fan power input (3) (kW) 0,23 0,46 0,65 1,04 1,51
Current amps (3) (A) 1,1 2,2 3,1 4,7 5,5
Start-up amps (A) 3,2 5,5 9,3 14,1 16,5
Air flow
minimum (m3/h) 490 980 1400 1800 2700
nominal (m3/h) 820 1650 2300 3000 4500
maximum (m3/h) 980 1970 2600 3600 5400
Main coil
Water entering/leaving connections (type) ISO R7 rotating female
(Dia) 3/4" 3/4" 1 1/2" 1 1/2" 1 1/2"
Electric heater (accessory for blower only)
Electric power supply (V/Ph/Hz) 230/1/50 230/1/50 or 400/3/50 400/3/50 400/3/50 400/3/50
Heating capacity (kW) 2/4 8 10 12 12
Hot water coil (accessory for blower only)
Heating capacity (4) (kW) 6,3 12 17,4 22,4 34,5
G2 filter (filter box accessory)
Quantity 2 2 2 2 2
Dimensions ( LxWxth) (mm) 386x221x8 486x271x8 586x321x8 586*421*8 586*621*8
G4 filter (filter box accessory)
Quantity - 2 2 2 2
Dimensions ( LxWxth) (mm) - 486x264x48 586x314x48 586*414*48 586*614*48
Condensate pump (accessory) (type) Centrifugal
Water flow - lift height (l/h - mm) 24 - 500
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
Sound pressure level (5) (dB(A)) 36/40/43 38/41/44 46/50/53 47/52/57 47/52/58
Sound power level (5) (dB(A)) 46/50/53 48/51/54 56/60/63 57/62/67 57/62/68
Unit dimensions
Width x Depth (mm) 890 x 600 1090 x 710 1290 x 820 1290 x 970 1290 x 1090
Height (mm) 250 300 350 450 650
Shipped unit dimensions
Width x Depth (mm) 933 x 644 1133 x 754 1333 x 864 1333 x 1008 1333*1133
Height (mm) 260 310 360 460 660
Weight (kg) 32 46 61 76 118
Colour galvanised steel
Recommended fuse size
Unit alone (aM/gI) (A) 8/16 8/16 8/16 8/25 8/25
Unit with electric heater (gI) (A) 16 (2kW),25 (4kW) 40 (230V),3*16 (400V) 3*20 3*25 3*25
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
(3) At high speed with nominal air flow.
(4) Water entering/leaving temperature 90/70 °C, air inlet temperature 20 °C DB, Nominal air flow.
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Heat exchanger operating limits:
FWD:
*water temperature: max 100° C
*absolute service pressure: min 1 bar/max 11 bars
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
*absolute service pressure: min 1 bar/max 11 bars
Wiring and Port Descriptions for MODBUS, BACnet and LonTalk
Figure (…) illustrates the UC800 controller ports, LEDs,
rotary switches, and wiring terminals.The numbered list
following Figure (…) Wiring locations and connection
ports corresponds to the numbered callouts in the
illustration.
Figure 1 - Wiring locations and connection ports of
UC800 controller
1. Rotary Switches for setting BACnet®MAC address or
MODBUS ID.
2. LINK for BACnet MS/TP, or MODBUS Slave
(two terminals, ±). Field wired if used.
3. LINK for BACnet MS/TP, or MODBUS Slave
(two terminals, ±). Field wired if used.
4. Machine bus for existing machine LLIDs (IPC3Tracer
bus 19.200 baud). IPC3 Bus: used for Comm4 using
TCI or LonTalk®using LCI-C.
5. Power (210 mA at 24 Vdc) and ground terminations
(same bus as item 4). Factory wired.
6. Not used.
7. Marquee LED power and UC800 Status indicator.
8. Status LEDs for the BAS link, MBus link, and IMC link.
9. USB device type B connection for the service tool
(TracerTU).
10. The Ethernet connection can only be used with the
Tracer AdaptiView display.
11. USB Host (not used).
Smart Com protocol
There are four connections on the UC800 that support
the communication interfaces listed. Refer to Figure 2 for
the locations of each of these ports.
• BACnet MS/TP
• MODBUS Slave
• LonTalk using LCI-C (from the IPC3 bus)
Rotary Switches
There are three rotary switches on the front of the UC800
controller. Use these switches to define a three-digit
address when the UC800 is installed in a BACnet or
MODBUS system (e.g., 107, 127, etc.).
Note:
Valid addresses are 001 to 127 for BACnet and 001 to 247
for MODBUS.

RLC-SVU007B-GB 19
11UNT-PRC002-GB
Sound power levels
Discharge
Measurement conditions:
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
long) fixed to its discharge opening.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 55 50 42 37 37 31 30 46
FWD 08 2 57 54 47 40 30 38 40 50
3 58 57 50 42 32 40 43 53
1 57 51 45 42 34 33 28 48
FWD 10 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 57 51 45 42 34 33 28 48
FWD 12 2 58 54 48 45 38 39 35 51
3 60 58 50 48 40 42 39 54
1 56 62 50 48 39 38 36 56
FWD 14 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
1 57 63 51 49 40 39 37 57
FWD 20 2 61 66 55 53 47 46 45 60
3 63 69 58 56 50 50 49 63
Intake
Measurement conditions:
Measurements taken at the horizontal air intake.
Fan Power level in dB(A), per Hz frequency band Overall power
Unit speed 125 250 500 1000 2000 4000 8000 dB(A)
1 56 55 55 53 46 45 42 57
FWD 08 2 63 62 60 60 53 53 53 64
3 66 65 63 62 56 55 57 67
1 62 58 55 58 51 48 44 61
FWD 10 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 62 58 55 58 51 48 44 61
FWD 12 2 66 63 60 62 56 55 52 66
3 70 67 63 65 59 59 57 69
1 66 65 65 65 57 50 46 68
FWD 14 2 73 72 69 71 64 59 57 74
3 78 76 73 75 69 64 63 78
1 68 72 64 64 56 52 50 69
FWD 20 2 76 76 68 71 65 61 61 75
3 78 79 71 74 69 66 66 78
Wiring and Port Descriptions for MODBUS, BACnet and LonTalk
LED Description and Operation
There are 10 LEDs on the front of the UC800. Figure 4
shows the locations of each LED andTable (…) describes
their behavior in specific instances.
Figure 2 - LED locations
Table 7 - LED behavior
LED UC800 Status
Marquee
LED
Powered. If the Marquee LED is green solid, the UC 800 is powered and no problem exist
Low power or malfunction. If the Marquee LED is red solid, the UC800 is powered, but there are problems
present Alarm. The Marquee LED blinks Ren when an alarm exists
LINK,
MBUS, IMC
The TX LED blinks green at the data transfer rate when the UC800 transfers data to other devices on the link
The Rx LED blinks yellow at the data transfer rate when UC800 receives data from other devices on the link
Ethernet
Link
The LINK LED is solid green if the Ethernet links is connected and connecting
The ACT LED blinds yellow at the data transfer rate when data ow is active on the link
Service The Service LED is solid green when pressed.
For qualied service technicians only. Do not use
NOTICE:
Electrical Noise!
Maintain at least 6 inches between low-voltage (<30V)
and high voltage circuits. Failure to do so could result in
electrical noise that could distort the signals carried by
the low-voltage wiring, including IPC.

RLC-SVU007B-GB
20
4 UNT-PRC002-GB
Technical Data
FWD 08 12 20 30 45
Power supply (V/Ph/Hz) 230/1/50
Capacities
Cooling capacity on water (1) (kW) 5,2 8,3 15 18,8 30,1
Heating capacity on water (2) (kW) 6,3 11,9 18,9 20,9 38,2
Fan motor (type) 2 x direct drive centrifugal
Fan power input (3) (kW) 0,23 0,46 0,65 1,04 1,51
Current amps (3) (A) 1,1 2,2 3,1 4,7 5,5
Start-up amps (A) 3,2 5,5 9,3 14,1 16,5
Air flow
minimum (m3/h) 490 980 1400 1800 2700
nominal (m3/h) 820 1650 2300 3000 4500
maximum (m3/h) 980 1970 2600 3600 5400
Main coil
Water entering/leaving connections (type) ISO R7 rotating female
(Dia) 3/4" 3/4" 1 1/2" 1 1/2" 1 1/2"
Electric heater (accessory for blower only)
Electric power supply (V/Ph/Hz) 230/1/50 230/1/50 or 400/3/50 400/3/50 400/3/50 400/3/50
Heating capacity (kW) 2/4 8 10 12 12
Hot water coil (accessory for blower only)
Heating capacity (4) (kW) 6,3 12 17,4 22,4 34,5
G2 filter (filter box accessory)
Quantity 2 2 2 2 2
Dimensions ( LxWxth) (mm) 386x221x8 486x271x8 586x321x8 586*421*8 586*621*8
G4 filter (filter box accessory)
Quantity - 2 2 2 2
Dimensions ( LxWxth) (mm) - 486x264x48 586x314x48 586*414*48 586*614*48
Condensate pump (accessory) (type) Centrifugal
Water flow - lift height (l/h - mm) 24 - 500
Not available for FWD30 and FWD45
Sound level (L/M/H speed)
Sound pressure level (5) (dB(A)) 36/40/43 38/41/44 46/50/53 47/52/57 47/52/58
Sound power level (5) (dB(A)) 46/50/53 48/51/54 56/60/63 57/62/67 57/62/68
Unit dimensions
Width x Depth (mm) 890 x 600 1090 x 710 1290 x 820 1290 x 970 1290 x 1090
Height (mm) 250 300 350 450 650
Shipped unit dimensions
Width x Depth (mm) 933 x 644 1133 x 754 1333 x 864 1333 x 1008 1333*1133
Height (mm) 260 310 360 460 660
Weight (kg) 32 46 61 76 118
Colour galvanised steel
Recommended fuse size
Unit alone (aM/gI) (A) 8/16 8/16 8/16 8/25 8/25
Unit with electric heater (gI) (A) 16 (2kW),25 (4kW) 40 (230V),3*16 (400V) 3*20 3*25 3*25
(1) Conditions: Water entering/leaving temperature: 7/12 °C, Air inlet temperature 27/19°C DB/WB - Nominal air flow
(2) Conditions: Water entering/leaving temperature: 50/45 °C, Air inlet temperature 20°C DB - Nominal air flow
(3) At high speed with nominal air flow.
(4) Water entering/leaving temperature 90/70 °C, air inlet temperature 20 °C DB, Nominal air flow.
(5) A rectangular glass wool duct 1m50 long is placed on the blower.The measurement is taken in the room containing the blower unit.
Heat exchanger operating limits:
FWD:
*water temperature: max 100° C
*absolute service pressure: min 1 bar/max 11 bars
Accessories - Hot water coil:
*water temperature: min. +2° C/max. 100° C
*absolute service pressure: min 1 bar/max 11 bars
TracerTD7 Operator Interface
Information is tailored to operators, service technicians,
and owners.
When operating a chiller, there is specific information
you need on a day-to-day basis—setpoints, limits,
diagnostic information, and reports.
Figure 3 - TD7 operator interface report
Day-to-day operational information is presented at the
display. Logically organized groups of information—
chiller modes of operation, active diagnostics, settings
and reports put information conveniently at your
fingertips.