Trane RTAD 085 Owner's manual

Installation
Operation
Maintenance
RTAD-SVX01F-E4
Series R™ Air-Cooled Helical Rotary
Liquid Chiller
RTAD 085 - 180 (50Hz)
Standard, Free Cooling and Heat
Recovery models

RTAD-SVX01F-E4
©American Standard Inc. 2006
Foreword
These instructions are given as a
guide to good practice in the
installation, start-up, operation, and
maintenance by the user, ofTrane
RTAD chillers.They do not contain
full service procedures necessary for
the continued successful operation of
this equipment.The services of a
qualified technician should be
employed through the medium of a
maintenance contract with a
reputable service company. Read
this manual thoroughly before unit
start-up.
Units are assembled, pressure
tested, dehydrated, charged and run
tested before shipment.
Warnings and cautions
Warnings and Cautions appear at
appropriate sections throughout this
manual.Your personal safety and the
proper operation of this machine
require that you follow them
carefully.The constructor assumes
no liability for installations or
servicing performed by unqualified
personnel.
WARNING! Indicates a potentially
hazardous situation which, if not
avoided, could result in death or
serious injury.
CAUTION! Indicates a potentially
hazardous situation which, if not
avoided, may result in minor or
moderate injury. It may also be used
to alert against unsafe practices or
for equipment or property-damage-
only accidents.
Safety recommendations
To avoid death, injury, equipment or
property damage, the following
recommendations should be
observed during maintenance and
service visits:
1.The maximum allowable pressures
for system leak testing on low and
high pressure side are given in the
chapter "Installation". Always
provide a pressure regulator.
2. Disconnect the main power supply
before any servicing on the unit.
3. Service work on the refrigeration
system and the electrical system
should be carried out only by
qualified and experienced
personnel.
Reception
On arrival, inspect the unit before
signing the delivery note.
Reception in France only:
In case of visible damage:The
consignee (or the site representative)
must specify any damage on the
delivery note, legibly sign and date
the delivery note, and the truck
driver must countersign it. The
consignee (or the site representative)
must notifyTrane Epinal Operations -
Claims team and send a copy of the
delivery note.The customer (or the
site representative) should send a
registered letter to the last carrier
within 3 days of delivery.
Note: for deliveries in France, even
concealed damage must be looked
for at delivery and immediately
treated as visible damage.
General information

RTAD-SVX01F-E4 3
General information
Reception in all countries except
France:
In case of concealed damage:The
consignee (or the site representative)
must send a registered letter to the
last carrier within 7 days of delivery,
claiming for the described damage. A
copy of this letter must be sent to
Trane Epinal Operations - Claims
team.
Warranty
Warranty is based on the general
terms and conditions of the
manufacturer.The warranty is void if
the equipment is repaired or
modified without the written
approval of the manufacturer, if the
operating limits are exceeded or if
the control system or the electrical
wiring is modified. Damage due to
misuse, lack of maintenance or
failure to comply with the
manufacturer's instructions or
recommendations is not covered by
the warranty obligation. If the user
does not conform to the rules of this
manual, it may entail cancellation of
warranty and liabilities by the
manufacturer.
Refrigerant
The refrigerant provided by the
manufacturer meets all the
requirements of our units. When
using recycled or reprocessed
refrigerant, it is advisable to ensure
its quality is equivalent to that of a
new refrigerant. For this, it is
necessary to have a precise analysis
made by a specialized laboratory. If
this condition is not respected, the
manufacturer warranty could be
cancelled.
Maintenance contract
It is strongly recommended that you
sign a maintenance contract with
your local Service Agency.This
contract provides regular
maintenance of your installation by
a specialist in our equipment.
Regular maintenance ensures that
any malfunction is detected and
corrected in good time and
minimizes the possibility that
serious damage will occur. Finally,
regular maintenance ensures the
maximum operating life of your
equipment. We would remind you
that failure to respect these
installation and maintenance
instructions may result in immediate
cancellation of the warranty.
Training
To assist you in obtaining the best
use of it and maintaining it in perfect
operating condition over a long
period of time, the manufacturer has
at your disposal a refrigeration and
air conditioning service school.The
principal aim of this is to give
operators and technicians a better
knowledge of the equipment they
are using, or that is under their
charge. Emphasis is particularly
given to the importance of periodic
checks on the unit operating
parameters as well as on preventive
maintenance, which reduces the cost
of owning the unit by avoiding
serious and costly breakdown.

Contents
4RTAD-SVX01F-E4
General Information 2
Unit Inspection 7
Loose Parts Inventory 7
General Data - Standard cooling unit 8
General Data - Free-cooling unit 16
General Data - Heat Recovery unit 18
Unit Dimensions 23
Installation - Mechanical 24
Installation Responsibilities 24
Nameplates 24
Storage 26
Location Requirements 26
Isolation and Sound Emission 26
Neoprene Isolator Installation 26
Noise Considerations 26
Foundation 27
Clearances 27
Drainage 28
Unit Water Piping 28
Unit Piping 28
Entering Chilled Water Piping 29
Leaving Chilled Water Piping 29
Heat Recovery Water Piping 29
Evaporator Drain 29
Evaporator Flow Switch 29
WaterTreatment 30
Water Pressure Gauges 41
Water Pressure Relief Valves 41
Freeze Protection 41

Installation - Electrical 42
General Recommendations 43
Installer-Supplied Components 48
Power Supply Wiring 48
Control Power Supply 48
Heater Power Supply 48
Water Pump Power Supply 48
Interconnecting Wiring 49
Chilled Water Flow (Pump) Interlock 49
Chilled Water Pump Control 49
Alarm and Status Relay Outputs
(Programmable Relays) 52
Low Voltage Wiring 54
External Emergency Stop 54
External Auto/Stop 54
External Circuit Lockout - Circuit 1 and Circuit 2 54
Ice Making Option 55
External Chilled Water Setpoint (CWS) 55
External Current Limit Setpoint (CLS) 56
Outdoor AirTemperature Sensor 56
Communication Card CSR 57
Communication link connection procedure 57
LonTalk communication interface 58
Operating Principles 64
System schematics 64
Pre-Start Checkout 67
Installation Checklist 67
Receiving 67
Unit Location and Mounting 67
Unit Piping 67
Electrical Wiring 67
General 68
Unit Voltage Power Supply 69
Unit Voltage Imbalance 69
Unit Voltage Phasing 69
Water System Flow Rates 70
Water System Pressure Drop 70
Contents
RTAD-SVX01F-E4 5

6RTAD-SVX01F-E4
Contents
Unit Start-up Procedures 71
Daily Unit Start-Up 71
General 72
Seasonal Unit Start-Up Procedure 73
System Restart After Extended Shutdown 73
Unit Shutdown Procedures 74
Temporary Shutdown And Restart 74
Extended Shutdown Procedure 74
Maintenance 75
General 75
Weekly Maintenance 75
Monthly Maintenance 75
Annual Maintenance 75
Maintenance Procedures 76
Refrigerant Emission Control 76
Refrigerant and Oil Charge Management 77
R134a Field Charging Procedure 77
Refrigerant Charging 77
Isolating the Refrigerant in the High Pressure Side 78
Isolating the Refrigerant in the Low Pressure Side 78
Adding Refrigerant 79
Refrigerant Filter Changing Procedure 79
Lubrication System 80
Oil Charging Procedure 80
Factory (initial) Oil Charging Procedure 81
Field Oil Charging Procedure 82
Evaporator HeatTape Checkout Procedure 83
Safety recommendations 83

RTAD-SVX01F-E4 7
General Information
Unit Inspection
When the unit is delivered, verify
that it is the correct unit and that it is
properly equipped. Compare the
information which appears on the
unit nameplate with the ordering
and submittal information. A typical
unit nameplate is shown in Figure 1.
Loose Parts Inventory
Check all the accessories and loose
parts which are shipped with the
unit against the shipping list.
Included in these items will be water
vessel drain plugs, rigging and
electrical diagrams, and service
literature, which are placed inside
the control panel and/or starter
panel for shipment.
Figure 1 -Typical Unit Nameplate

8RTAD-SVX01F-E4
General Information
General Data - SI Units
Table 1 - General Data RTAD Standard
Size 085 100 115 125 145 150 165 180
Compressor Quantity 22222222
Nominal Size (1) (Tons) 40/40 50/50 60/60 70/70 85/70 85/85 100/85 100/100
Evaporator
Evaporator Model EG120 EG140 EG170 EG200 EG200 EG200 EG250 EG250
Water Storage (l) 106 270 222 204 204 204 415 415
Minimum Flow (l/s) 4.1 6.0 7.3 8.8 8.8 8.8 11.6 11.6
Maximum Flow (l/s) 17.3 20.8 24.8 30.7 30.7 30.7 38.0 38.0
Condenser
QtyofCoils 22222222
Coil Length (mm) 2743 3658 3658 3658 4572 4572 5486 5486
Coil Height (mm) 1626 1626 1626 1626 1626 1626 1626 1626
Fin series (Fins/ft) 192 192 192 192 192 192 192 192
Number of Rows 3/3 2/2 3/3 3/3 3/3 3/3 3/3 3/3
Condenser Fans
Quantity (1) 3/3 3/3 3/3 3/3 5/4 5/5 6/5 6/6
Diameter (mm) 762 762 762 762 762 762 762 762
Total Air Flow (m3/s) 23.4 28.5 27.0 27.0 37.0 39.0 44.9 46.8
Nominal RPM 915 915 915 915 915 915 915 915
Tip Speed (m/s) 36.5 36.5 36.5 36.5 36.5 36.5 36.5 36.5
Motor kW (kW) 2.05 2.05 2.05 2.05 2.05 2.05 2.05 2.05
Min Starting/Oper Ambient (2)
Standard Unit (°C) 00000000
Low Ambient Unit (°C) -18 -18 -18 -18 -18 -18 -18 -18
General Unit
Refrigerant HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a
22222222
% Min. Load (3) 17 17 17 17 17 17 17 17
Refrigerant Charge (1) (kg) 24/24 30/32 35/36 36/37 44/48 44/48 61/59 61/61
Oil Charge (1) (l) 6/6 7/7 9/9 10/10 10/10 10/10 15/11 15/15
Operating Weight (4) (kg) 2660 3105 3555 3570 4260 4520 5440 5525
Shipping Weight (4) (kg) 2554 2838 3333 3368 4057 4317 5023 5108
Table 2 - General Data RTAD High Efficiency
Size 085 100 115 125 145 150
Compressor Quantity 222222
Nominal Size (1) (Tons) 40/40 50/50 60/60 70/70 85/70 85/85
Evaporator
Evaporator Model EG140 EG170 EG200 EG200 EG250 EG250
Water Storage (l) 270 222 204 204 415 415
Minimum Flow (l/s) 6.0 7.3 8.8 8.8 11.6 11.6
Maximum Flow (l/s) 20.8 24.8 30.7 30.7 38.0 38.0
Condenser
QtyofCoils 222222
Coil Length (mm) 3658 3658 4572 4572 5486 5486
Coil Height (mm) 1626 1626 1626 1626 1626 1626
Fin series (Fins/ft) 192 192 192 192 192 192
Number of Rows 3/3 3/3 3/3 3/3 3/3 3/3
Condenser Fans
Quantity (1) 3/3 4/4 4/4 5/5 6/5 6/6
Diameter (mm) 762 762 762 762 762 762
Total Air Flow (m3/s) 27.0 31.2 35.0 39.0 44.8 46.8
Nominal RPM 915 915 915 915 915 915
Tip Speed (m/s) 36.5 36.5 36.5 36.5 36.5 36.5
Motor kW (kW) 2.05 2.05 2.05 2.05 2.05 2.05
Min Starting/Oper Ambient (2)
Standard Unit (°C) 000000
Low Ambient Unit (°C) -18 -18 -18 -18 -18 -18
General Unit
Refrigerant HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a
222222
% Min. Load (3) 17 17 17 17 17 17
Refrigerant Charge (1) (kg) 32/34 35/36 42/45 42/45 59/61 59/61
Oil Charge (1) (l) 6/6 7/7 10/10 10/10 11/11 11/11
Operating Weight (4) (kg) 3240 3370 3905 4000 5390 5445
Shipping Weight (4) (kg) 2973 3148 3702 3797 4973 5028
Notes:
(1) Data containing information on two circuits shown as follows: ckt1/ckt2
(2) Minimum start-up/operation ambient based on a 2.22 m/s (5mph) wind across the condenser.
(3) Percent minimum load is for total machine at 10°C (50F) ambient and 7°C (44F) leaving chilled water temp. Not each individual circuit
(4) Weights with aluminium fins, power disconnect switch, isolators and pressure gauges
No. Of independent
Refrigerant Circuits
No. Of independent
Refrigerant Circuits

RTAD-SVX01F-E4 9
General Information
Table 3 - General Data RTAD Standard Low Noise
Size 085 100 115 125 145 150 165 180
Compressor Quantity 22222222
Nominal Size (1) (Tons) 40/40 50/50 60/60 70/70 85/70 85/85 100/85 100/100
Evaporator
Evaporator Model EG120 EG140 EG170 EG200 EG200 EG200 EG250 EG250
Water Storage (l) 106 270 222 204 204 204 415 415
Minimum Flow (l/s) 4.1 6.0 7.3 8.8 8.8 8.8 11.6 11.6
Maximum Flow (l/s) 17.3 20.8 24.8 30.7 30.7 30.7 38.0 38.0
Condenser
QtyofCoils 22222222
Coil Length (mm) 2743 3658 3658 3658 4572 4572 5486 5486
Coil Height (mm) 1626 1626 1626 1626 1626 1626 1626 1626
Fin series (Fins/ft) 192 192 192 192 192 192 192 192
Number of Rows 3/3 2/2 3/3 3/3 3/3 3/3 3/3 3/3
Condenser Fans
Quantity (1) 3/3 3/3 3/3 3/3 5/4 5/5 6/5 6/6
Diameter (mm) 762 762 762 762 762 762 762 762
Total Air Flow (m3/s) 18.1 22.4 21.0 21.0 28.7 30.1 34.7 36.2
Nominal RPM 730 730 730 730 730 730 730 730
Tip Speed (m/s) 29.1 29.1 29.1 29.1 29.1 29.1 29.1 29.1
Motor kW (kW) 1.30 1.30 1.30 1.30 1.30 1.30 1.30 1.30
Min Starting/Oper Ambient (2)
Standard Unit (°C) 00000000
Low Ambient Unit (°C) -18 -18 -18 -18 -18 -18 -18 -18
General Unit
Refrigerant HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a
22222222
% Min. Load (3) 17 17 17 17 17 17 17 17
Refrigerant Charge (1) (kg) 24/24 30/32 35/36 36/37 44/48 44/48 61/59 61/61
Oil Charge (1) (l) 6/6 7/7 9/9 10/10 10/10 10/10 15/11 15/15
Operating Weight (4) (kg) 2760 3205 3655 3670 4360 4620 5540 5625
Shipping Weight (4) (kg) 2654 2938 3433 3468 4157 4417 5123 5208
Table 4 - General Data RTAD High Efficiency Low Noise
Size 085 100 115 125 145 150
Compressor Quantity 222222
Nominal Size (1) (Tons) 40/40 50/50 60/60 70/70 85/70 85/85
Evaporator
Evaporator Model EG140 EG170 EG200 EG200 EG250 EG250
Water Storage (l) 270 222 204 204 415 415
Minimum Flow (l/s) 6.0 7.3 8.8 8.8 11.6 11.6
Maximum Flow (l/s) 20.8 24.8 30.7 30.7 38.0 38.0
Condenser
QtyofCoils 222222
Coil Length (mm) 3658 3658 4572 4572 5486 5486
Coil Height (mm) 1626 1626 1626 1626 1626 1626
Fin series (Fins/ft) 192 192 192 192 192 192
Number of Rows 3/3 3/3 3/3 3/3 3/3 3/3
Condenser Fans
Quantity (1) 3/3 4/4 4/4 5/5 6/5 6/6
Diameter (mm) 762 762 762 762 762 762
Total Air Flow (m3/s) 21.0 24.1 27.2 30.1 34.7 36.1
Nominal RPM 690 690 690 690 690 690
Tip Speed (m/s) 27.5 27.5 27.5 27.5 27.5 27.5
Motor kW (kW) 1.30 1.30 1.30 1.30 1.30 1.30
Min Starting/Oper Ambient (2)
Standard Unit (°C) 000000
Low Ambient Unit (°C) -18 -18 -18 -18 -18 -18
General Unit
Refrigerant HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a
222222
% Min. Load (3) 17 17 17 17 17 17
Refrigerant Charge (1) (kg) 32/34 35/36 42/45 42/45 59/61 59/61
Oil Charge (1) (l) 6/6 7/7 10/10 10/10 11/11 11/11
Operating Weight (4) (kg) 3340 3470 4005 4100 5490 5545
Shipping Weight (4) (kg) 3073 3248 3802 3897 5073 5128
Notes:
(1) Data containing information on two circuits shown as follows: ckt1/ckt2
(2) Minimum start-up/operation ambient based on a 2.22 m/s (5mph) wind across the condenser.
(3) Percent minimum load is for total machine at 10°C (50F) ambient and 7°C (44F) leaving chilled water temp. Not each individual circuit
(4) Weights with aluminium fins, power disconnect switch, isolators and pressure gauges
No. Of independent
Refrigerant Circuits
No. Of independent
Refrigerant Circuits

10 RTAD-SVX01F-E4
General Information
Table 5 - General Data RTAD Standard Low Noise with Night Noise Set Back option
Size 085 100 115 125 145 150 165 180
Compressor Quantity 22222222
Nominal Size (1) (Tons) 40/40 50/50 60/60 70/70 85/70 85/85 100/85 100/100
Evaporator
Evaporator Model EG120 EG140 EG170 EG200 EG200 EG200 EG250 EG250
Water Storage (l) 106 270 222 204 204 204 415 415
Minimum Flow (l/s) 4.1 6.0 7.3 8.8 8.8 8.8 11.6 11.6
Maximum Flow (l/s) 17.3 20.8 24.8 30.7 30.7 30.7 38.0 38.0
Condenser
QtyofCoils 22222222
Coil Length (mm) 2743 3658 3658 3658 4572 4572 5486 5486
Coil Height (mm) 1626 1626 1626 1626 1626 1626 1626 1626
Fin series (Fins/ft) 192 192 192 192 192 192 192 192
Number of Rows 3/3 2/2 3/3 3/3 3/3 3/3 3/3 3/3
Condenser Fans
Quantity (1) 2/2 3/3 3/3 3/3 4/4 4/4 5/5 5/5
Diameter (mm) 762 762 762 762 762 762 762 762
Total Air Flow (m3/s) 13.4 20.5 19.3 19.3 25.0 25.0 30.7 30.7
Nominal RPM 550 550 550 550 550 550 550 550
Tip Speed (m/s) 21.9 21.9 21.9 21.9 21.9 21.9 21.9 21.9
Motor kW (kW) 1.05 1.05 1.05 1.05 1.05 1.05 1.05 1.05
Min Starting/Oper Ambient (2)
Standard Unit (°C) 00000000
Low Ambient Unit (°C) -18 -18 -18 -18 -18 -18 -18 -18
General Unit
Refrigerant HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a
22222222
% Min. Load (3) 17 17 17 17 17 17 17 17
Refrigerant Charge (1) (kg) 24/24 30/32 35/36 36/37 44/48 44/48 61/59 61/61
Oil Charge (1) (l) 6/6 7/7 9/9 10/10 10/10 10/10 15/11 15/15
Operating Weight (4) (kg) 2660 3205 3655 3670 4310 4520 5490 5525
Shipping Weight (4) (kg) 2554 2938 3433 3468 4107 4317 5073 5108
Table 6 - General Data RTAD High Efficiency Low Noise with Night Noise Set Back option
Size 085 100 115 125 145 150
Compressor Quantity 222222
Nominal Size (1) (Tons) 40/40 50/50 60/60 70/70 85/70 85/85
Evaporator
Evaporator Model EG140 EG170 EG200 EG200 EG250 EG250
Water Storage (l) 270 222 204 204 415 415
Minimum Flow (l/s) 6.0 7.3 8.8 8.8 11.6 11.6
Maximum Flow (l/s) 20.8 24.8 30.7 30.7 38.0 38.0
Condenser
QtyofCoils 222222
Coil Length (mm) 3658 3658 4572 4572 5486 5486
Coil Height (mm) 1626 1626 1626 1626 1626 1626
Fin series (Fins/ft) 192 192 192 192 192 192
Number of Rows 3/3 3/3 3/3 3/3 3/3 3/3
Condenser Fans
Quantity (1) 3/3 3/3 4/4 4/4 5/5 5/5
Diameter (mm) 762 762 762 762 762 762
Total Air Flow (m3/s) 19.2 19.2 24.9 25.0 30.6 30.6
Nominal RPM 550 550 550 550 550 550
Tip Speed (m/s) 21.9 21.9 21.9 21.9 21.9 21.9
Motor kW (kW) 1.05 1.05 1.05 1.05 1.05 1.05
Min Starting/Oper Ambient (2)
Standard Unit (°C) 000000
Low Ambient Unit (°C) -18 -18 -18 -18 -18 -18
General Unit
Refrigerant HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a HFC 134a
222222
% Min. Load (3) 17 17 17 17 17 17
Refrigerant Charge (1) (kg) 32/34 35/36 42/45 42/45 59/61 59/61
Oil Charge (1) (l) 6/6 7/7 10/10 10/10 11/11 11/11
Operating Weight (4) (kg) 3340 3370 4005 4000 5440 5445
Shipping Weight (4) (kg) 3073 3148 3802 3797 5023 5028
Notes:
(1) Data containing information on two circuits shown as follows: ckt1/ckt2
(2) Minimum start-up/operation ambient based on a 2.22 m/s (5mph) wind across the condenser.
(3) Percent minimum load is for total machine at 10°C (50F) ambient and 7°C (44F) leaving chilled water temp. Not each individual circuit
(4) Weights with aluminium fins, power disconnect switch, isolators and pressure gauges
No. Of independent
Refrigerant Circuits
No. Of independent
Refrigerant Circuits