TICA FCA 201 EC Instruction manual

Installation,Operation&MaintenanceManual
AIR-COOLEDMODULARCHILLER
Chiller Products
FCHI01-00

Page 1
Safety Precautions................................................................................................ 2
Dimensions.......................................................................................................... 3
Installation .......................................................................................................... 8
Location and Clearance.............................................................................. 8
Lifting ..................................................................................................... 8
Water System Installation .........................................................................11
Electrical Installation ................................................................................12
Commissioning....................................................................................................23
Pre-Start Checklist ...................................................................................23
Startup Procedure.......................................................................................
Servicing and Maintenance ...................................................................................24
Troubleshooting...................................................................................................25
Contents
AIR-COOLED MODULAR CHILLER
FCA/TCA 201-301 EC/EH
FCA/TCA 201-301 NC/NH

Page 2
Safety Precautions
Please read the following safety precautions carefully. Failure to follow safety precautions could result in death or serious
injuries.
Important:
• Installationofequipmentincorrosive,combustiveorexplosiveenvironmentisstrictlyprohibited.
• DonotuseOxygen,Acetylene,poisonousoranyothergasthatwillcauseexplosionduringequipmentleak
test.
Warning:
• Installationandmaintenanceshouldbeperformedbyqualiedpersonnelwhoarefamiliarwiththeproduct,
local codes and regulations.
• Theequipmentmustbeinstalledaccordingtolocalrulesandregulations.
• Field-installedwiringmustcomplywithlocalcodesandregulations,andmustbecarriedoutbyqualied
personnel.
• Powersupplymustcomplywithunit’snameplatespecications.
• TheunitmustbeGROUNDEDtopreventpossiblehazardsduetoinsulationfailure.
• Disconnectallelectricpowerbeforeservicingjobinordertopreventanyelectricshockorinjuriescaused
by direct contact with moving parts.
• Whenworkingwithliveelectricalcomponents,haveaqualiedlicensedelectricianorotherindividualwho
has been properly trained in handling live electrical components to perform these tasks.
• Electricalwiringmustnotbephysicallyincontactwithrefrigerantpiping,compressororanymovingparts
of the fan motors.
Caution:
• Avoiddirectcontactwithsharpedgesandcoilsurfaceswhicharepotentialhazardsforinjuries.
• Ensurethatthedrainagepipingisconnectedproperlytopreventleakageofcondensatewater.
• Donotoverchargetheequipment.Overchargewillcauseover-currentanddamagestothecompressor.
Notice:
• Thismanualshouldbereturnedtounit’sdesignatedplacewheninstallationiscomplete.
• Thismanualshouldbereadcarefullybeforeinstallation.Unitinstallationandserviceshouldbeperformed
byexperiencedtechniciansinaccordancewithmanual’sprocedurestoachievenormalandreliableunit
operation.
• Thismanualdoesnotcoverallunitdifferencesandproblemsthatmayariseduringinstallation.Please
contactourlocalsalesofceforfurtherinformationandassistances.
• WarningandCautionwillappearinpropersectionthroughoutthismanual,whichshouldbermlyconformed
toensuresafetyand better operation performance. We claim no liability for unqualied installation or
service.
• Themanufacturerreservestherighttoreviseanyofthespecicationsanddesignscontainedhereinatany
timewithoutpriornotication.
• PleaserefertotheTechnicalManualforUnit’sGeneralData.

Page 3
Dimensions
Model: FCA 201 / 301 EC / EH
A B
FCA201 EC/EH 1030 515
FCA301 EC/EH 1073 536.5
Water Inlet
Water Outlet
Dimensions in mm
Model: FCA 201 / 301 NC / NH
Water Inlet
Water Outlet
Dimensions in mm

Page 4
Installation
Location and Clearance
• Unitmustbeinstalledonaatconcretebasewhichcouldwithstandtheweightoftheunit.Vibrationisolatorshould
be installed to give a minimal unit vibration.
• Donotinstallunitunderexplosive,combustiveandcorrosiveenvironment.
• Donotexposeunittodirectsunlight.Unitshouldbeinstalledundershadedorcoveredarea.
• Sufcientspacemustbeallocatedforwaterdrainage,ventilationandservice.Mainwatersupplyandreturnshould
be located at least 1 meter away from the unit for maintenance. Proper water drainage should be prepared for
maintenance purpose.
Caution: Everymodulehaspre-setaddressviaDIPswitchsettingonthePCB.Unitmustbeplacedaccordingtothe
numbering label on each module.
FCA 201/301 EC/EH
Main Water Return
Main Water Supply
HeightWater in
Water out
FCA301 module FCA201 module
Water Inlet
Water Outlet
In
Out
Note:
a = Quantity of FCA301
b = Quantity of FCA201
Dimensions in mm

Page 5
FAC 201/301 NC/NH
Air Suction
Air Suction
Air Suction
Air Suction
Water Piping
Air Suction Water Piping
Maintenance
Air Suction
Maintenance
Air Suction Air Suction
Air Suction
Water Piping
Air Discharge Air Discharge
Lifting
Unit should be wrapped and well-protected during transportation
from the factory to the construction site. Always keep the unit leveled
whilelifting.Usetheliftingholesprovidedtohoisttheunit.Proper
steps should be adopted to protect the surface of the unit while
lifting.(Forexample,placeaspreaderbartoisolatetheliftingcable
from the unit).
Hoisting hole
Water inlet
Water outlet
Chain
Protection Spreader bar
Water System Installation
Waterpipeinstallationshouldcomplywithlocalcodesandregulations.Tosavecostandensuregoodunitperformance,
reducetheusageofU-bendsandverticalpiping.Pleaserefertothefollowingdiagramandinstructionsforproperpiping
installation.
FCA 201/301 EC/EH
......
......
Balancing
Valve Strainer
Return
Supply
Gate valve
(Lowest possition
for drainage)
Gate valve
Gate
valve
Thermometer
Flow
meter
Pressure
gauge
Gate valve
Expansion tank
Make up water
Air vent
Gate valve
Water
tank
Gate
valve
Strainer
Water
pump
Gate valve
(Lowest possition
for drainage)
Gate
valve
Return header
Supply header
Pressure
differential valve
Return
Supply
Chiller 1
Chiller 2
FCA 201/301 NC/NH
Balancing
Valve
Strainer
Gate valve
(Lowest possition
for drainage)
Gate valve
Return
Supply
Flow
meter
Thermometer
Gate valve
Water
tank
Gate valve
Pressure
gauge Air vent
Make up water
Expansion tank
Strainer Water pump
Gate valve
Gate valve
Gate valve
Gate valve
(Lowest possition
for drainage)
Return header
Supply header
Gate valve
Pressure
differential valve
Dimensions in mm

Page 6
• Waterowdirectionmustbealignedwiththedirectionindicatedontheowswitch.
• Flowswitchshouldonlybeinstalledafterthecleaningprocessofwaterpipingsystem,to
preventforeignparticlesfromclogginganddamagetheowswitch.
• Theswitchelementanddiaphragmofowswitcharenotallowedtobeincontactwith
other solid material.
• Flowswitchmustbeinstalledonhorizontalpiping.Valvebodyshouldbekeptstraightand
vertical. It should keep a minimal distance of at least 5 times the piping diameter from the
adjacentbends,modulatingvalveandothercomponents.
• Controlcablesfromowswitchshouldthenbeconnectedtothecorrespondingterminals
ofthecontrolbox.
• ThepipesizeofeachmoduleisDN40.Thepipesizeofthechilledwatersupplyandreturnare:
• Makesurethechilledwatersupplyandreturnpipeconnectionstoheatexchangerarecorrect.
• Installgatevalve,pressuregaugeandthermometerbothatthechilledwatersupplyandreturnpipesforeaseofservice
and maintenance work. Pressure gauge and thermometer should be installed at visible and accessible location .
• Strainershouldbeinstalledatwaterinletofeverymoduleandbeforewaterpumptolteroffforeignparticlesfrom
enteringwaterpumpandheatexchanger.
• Balancingvalveshouldbeinstalledateverymoduletoensureeverymodulehassamewaterpressuredrop.The
temperature difference between water inlet and outlet normally will be 5°C.
• Installmanualorautomaticairventsatthehighestpointsofwatersystem,toreleasetheairtrappedinthewatersystem.
• Expansiontankshouldbecorrosionproof,andmustbeinstalledat3mabovethehighestpointofpipingsystem.
• Agatevalvemustbeinstalledatlowestpointofwaterpipingsystem,inordertocompletelydrainoffthewaterwhen
necessary.
• Agatevalveshouldbeinstalledbetweenchilledwatersupplyandreturnpipes,asabypassvalveforeaseofcleaning
service and maintenance work.
• Flexiblehoseandvibrationisolatorshouldbeusedtoreducethepipingvibrationandnoise.
• Waterpipesshouldbeinsulatedtoconserveenergyforoptimumcooling/heatingunitcapacity.
• Leaktestshouldbecarriedoutandwaterpipesshouldbecleaned,beforepipingisinsulatedandwaterissupplied
to chiller unit.
Cooling/HeatingCapacity,kW 50 120 230 350 465 580 700
PipesdiameterDN(mm) 50 80 100 125 150 170 200
Diaphragm
Connector
Control
Caution:Adjusttheowswitchsetting.TheowswitchshouldbeOPENwhenthewaterowislessthan55%ofthe
rated value.
Water system
Water tank shouldbeinstalledatchilledwatersupplypipe,topreventshortcyclingwhenunitisrunningatrelatively
smallload.Theminimumvolumeinawatersystemshouldbe:
V: Minimumwatervolumepermodule,liter
Ts: Timeinterval,recommend:10minutes
(not more than 6 cycles per hour)
TD: Temperatureinterval,recommend:2°C
H1: Chillercapacityperstep;FCA201=33kW;FCA301=50kW
H2: Minimumloadrequireofthesystem(e.g.FCU/AHU)
V = 14.17 X TS
TD
H1- H2
( )
TD
H2
( )
+
Other Water System Components Selection
Component Selection Method
Gate Valve Selection based on the water pipe diamater.
Strainer To filter solid particles in water system.
Normally sized at 60 mesh and above.
Check Valve Installed at oulet pipe of water pump to prevent water flushback.
Selection based on the water pipe diameter.
Bypass Valve Installed in between chilled water supply and return pipes. For usage
during piping cleaning work.
Thermometer For inspection of unit operation. Measurement range from 0 ~ 100˚C.
Water Pump Volume = L*1.1(L-Water Flow Rate)
Pump distance = [Unit Pressure Drop + Longest Pipe
Length*(2%~5%) + Biggest Pressure Drop from Air-Side Products] * 1.1
Automatic Air Vent Installed at highest point of piping system, to release air trapped in water system.
Expansion Tank
Installed at highest point of water return pipe, to store excess water
from the system to balance out the water pressure and to add water
to the system when necessary. (VC= System Volume)
Tank Volume, V = (0.03~0.034)VC
Flow Switch
ThefollowingguidelinesmustbetakenintoconsiderationforproperoperationduringtheFlowSwitchinstallation:
Entering and leaving water temperature sensor on main
water supply and return.
The entering and leaving water temperature sensor are connecting to the
TH6 and TH5 of the master unit. Insert the sensor and sensor coil bracket
intothemainwatersupplyandreturnasshowninthediagram:

Page7
Leak Test
Testingpressureforwaterpipeshouldbegreaterthan1.25timestheworkingpressure,andshouldnotbelessthan
0.6MPa. Piping system is considered leak free if pressure drop is less than 0.02MPa after 5 minutes of pressure test.
Water pressure test should not be carried out at ambient temperature lower than 5˚C. Pressure gauge should be
well-calibratedwithstepprecisionofnotlessthan1.5;fullscalevalueshouldbe1.5to2timesthebiggesttestedpressurereading.
Duringwaterleaktest,watershouldbeaddedgraduallyfromlowersideofthesystemuntilitreachestestedpressure.
Air vent should be purged to release trapped air. Stop water pump and inspect for pipe leakage. Do not repair leakage
underpressurizedpipingsystem.
Cleanthepipingsystemthoroughlyafterthewaterleaktest(Equipmentmustbeisolated),untilthedrainedwateris
freefromdust,ironandotherforeignparticles.
Electrical Installation
Electricalinstallationshouldbedoneaccordingtothelocalcodesandregulations.Unitshouldbeinstalledbyqualied
personnel.Voltagetoleranceshouldbekeptatratedvoltage±10%.Phaseimbalancemustnotbegreaterthan2%.
Communication bus between control modules and wired controllers shall use no less than 0.25mm2 Shielded Twisted Pair
cablesize.Donotinstalldatacablealongsidethepowercable,contactors,circuitbreakers,invertersandetctoavoid
electromagnetic interference. Cable connections must be done using end connectors.
R
N
S
T
E
L3 N L1L2
Q0
R
S
T
N
Power supply
to each module Master Slave #1 Slave #2
Busbar
Main power
supply
Busbar
Insulation
Copper strips
Cross sectional areal(A
x B)
Q1 Q2 Q3
Cross-sectionalareaofthebusbar(AxB)shouldnotsmallerthancablesizeofthemainpowersupply(inmm2).Referto
thefollowingtableforminimalrequirementsofthewires:
Total running
current
Main power supply
cable size
Main power supply
cable size
Total running
current
Amm2A mm2
FCA201 45.0 16 45.0 16
FCA301 65.0 25 63.8 20
FCA202 85.0 25 90.0 35
FCA201+301 105.0 35 108.8 35
FCA203 125.0 35 135.0 50
FCA202+301 145.0 50 153.8 70
FCA204 165.0 50 180.0 70
FCA203+301 185.0 70 198.8 95
FCA205 205.0 70 225.0 120
FCA206 245.0 95 270.0 150
FCA207 285.0 120 315.0 185
FCA208 325.0 150 360.0 240
FCA209 365.0 185 405.0 240
FCA210 405.0 240 450.0 300
FCA211 445.0 300 495.0 300
FCA212 485.0 300 540.0 400
FCA209+303 545.0 400 596.4 400
FCA206+306 605.0 400 652.8 400
FCA203+309 665.0 400 709.2 400
FCA312 725.0 400 765.6 430
FCA - NC/NH
Model
FCA - EC/EH
Power Supply Cable For Each Module
Type of wire
R,S,T
N
Earth
Cable size (mm2) Cable size (mm2)
FCA201 FCA301 FCA201 FCA301
16 25 16 20
10 10 10 10
10 10 10 10

Page 8
Wiring Diagram
Model: FCA 201 EC/NC (Single / Master)
FCA201EC FCA201NC
Symbol Description Symbol Description
Compressor
Fan motor Power indicator Contactor Phase protector Fuse
High pressure switch
Low pressure switch Overload protection Main switch Water flow switch Discharge temperature switch
Outdoor ambient temperature sensor Chiller entering water temperature sensor Chiller leaving water temperature sensor Module entering water temperature sensor Module leaving water temperature sensor Circuit 2 condenser temperature sensor Circuit 1 condenser temperature sensor
To next module
Remove ON/OFF
GND 12V A B
External interlock
Operation
indicator
External
alarm
Transformer
Last module close
1. Field wiring; Factory wiring. 2. Communication bus (A&B) wire must > 0.25mm2, A & B must be same polarity.
3. Communication bus must alway from power cable. 4. Unit address NO.1 (S1.1 - S1.4 OFF) is reserved for Master only. 5. For individual control (single unit), jumper JP1 CLOSE.
NOTE:
Jumper setting
Overload protection setting
DIP switch setting
DIP S2
FCA201EC
FCA201NC
S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8

Page 9
Model: FCA 201 EC/NC (Slave)
Module entering water temperature sensor Module leaving water temperature sensor Circuit 2 condenser temperature sensor Circuit 1 condenser temperature sensor
To next module
From previous
module
GND 12V A B
Transformer
Operation
indicator
External
alarm
FCA201EC FCA201NC
Symbol Description Symbol Description
Compressor
Fan motor Power indicator Contactor Phase protector Fuse
High pressure switch
Low pressure switch Overload protection Main switch Water flow switch Discharge temperature switch
Last module close
Jumper setting
Overload protection setting
1. Field wiring; Factory wiring. 2. Communication bus (A&B) wire must > 0.25mm2, A & B must be same polarity.
3. Communication bus must alway from power cable. 4. Unit address NO.1 (S1.1 - S1.4 OFF) is reserved for Master only. 5. For individual control (single unit), jumper JP1 CLOSE.
NOTE:
DIP switch setting
DIP S2
FCA201EC
FCA201NC
S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8

Page 10
Model: FCA 201 EH/NH (Single / Master)
Operation
indicator
External
alarm
Remove ON/OFF
External interlock
To next module
Outdoor ambient temperature sensor Chiller entering water temperature sensor Chiller leaving water temperature sensor Module leaving water temperature sensor Circuit 2 condenser temperature sensor Circuit 1 condenser temperature sensor
Symbol Description Symbol Description
Compressor Fan motor Power indicator Contactor Phase protector Fuse
High pressure switch Low pressure switch, cooling Overload protection Main switch Water flow switch Discharge temperature switch
4 way valve Crankcase heater
4WV1-2 CCH
LPH1-2 Low pressure switch, heating
Transformer
FCA201EH FCA201NH
Last module close
NOTE:
Jumper setting
Overload protection setting
DIP switch setting
DIP S2
FCA201EH
FCA201NH
S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
1. Field wiring; Factory wiring. 2. Communication bus (A&B) wire must > 0.25mm2, A & B must be same polarity.
3. Communication bus must alway from power cable. 4. Unit address NO.1 (S1.1 - S1.4 OFF) is reserved for Master only. 5. For individual control (single unit), jumper JP1 CLOSE. 6. OUT6 is reserved for auxiliary heater.
NOTE:

Page 11
Model: FCA 201 EH/NH (Slave)
Transformer
Module entering water temperature sensor Module leaving water temperature sensor Circuit 2 condenser temperature sensor Circuit 1 condenser temperature sensor
Operation
indicator
External
alarm
To next module
From previous
module
Symbol Description Symbol Description
Compressor Fan motor Power indicator Contactor Phase protector Fuse
High pressure switch Low pressure switch, cooling Overload protection Main switch Water flow switch Discharge temperature switch
4 way valve Crankcase heater
4WV1-2 CCH
LPH1-2 Low pressure switch, heating
FCA201EH FCA201NH
Last module close
Jumper setting
Overload protection setting
DIP switch setting
DIP S2
FCA201EH
FCA201NH
S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
1. Field wiring; Factory wiring. 2. Communication bus (A&B) wire must > 0.25mm2, A & B must be same polarity.
3. Communication bus must alway from power cable. 4. Unit address NO.1 (S1.1 - S1.4 OFF) is reserved for Master only. 5. For individual control (single unit), jumper JP1 CLOSE. 6. OUT6 is reserved for auxiliary heater.
NOTE:

Page 12
Model: FCA 301 EC/NC (Single)
High pressure switch Low pressure switch, cooling Overload protection Main switch Water flow switch
Symbol Description Symbol Description
Compressor Fan motor Power indicator Contactor Phase protector Fuse Timer
Timer setting
FCA301EC
FCA301NC 8S 8S
Circuit 2 condenser temperature sensor Circuit 1 condenser temperature sensor
Outdoor ambient temperature sensor Chiller entering water temperature sensor Chiller leaving water temperature sensor
Remove ON/OFF External interlock
Operation
indicator
External
alarm
Transformer
GND 12V
A B
Discharge temperature switch
Last module close
Jumper setting
FCA301EC
FCA301NC
Overload protection setting
DIP switch setting
DIP S2
FCA301EC
FCA301NC
S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
1. Field wiring; Factory wiring. 2. Communication bus (A&B) wire must > 0.25 mm2, A & B must be same polarity.
3. Communication bus must alway from power cable. 4. Unit address NO.1 (S1.1 - S1.4 OFF) is reserved for Master only. 5. For individual control (single unit), jumper JP1 CLOSE. 6. For single unit, insert the TH5 & TH6 sensor into water inlet and outlet of the heat exchanger.
NOTE:

Page 13
Model: FCA 301 EC/NC (Master)
Operation
indicator
External
alarm
Outdoor ambient temperature sensor Chiller entering water temperature sensor Chiller leaving water temperature sensor Module entering water temperature sensor Module leaving water temperature sensor Circuit 2 condenser temperature sensor Circuit 1 condenser temperature sensor
To next module
Remove ON/OFF
External interlock
Transformer
High pressure switch Low pressure switch, cooling Overload protection Main switch Water flow switch
Symbol Description Symbol Description
Compressor Fan motor Power indicator Contactor Phase protector Fuse Timer
Discharge temperature switch
Last module close
Jumper setting
FCA301EC
FCA301NC
Overload protection setting
Timer setting
FCA301EC
FCA301NC 8S 8S
DIP switch setting
DIP S2
FCA301EC
FCA301NC
S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
1. Field wiring; Factory wiring. 2. Communication bus (A&B) wire must > 0.25 mm2, A & B must be same polarity.
3. Communication bus must alway from power cable. 4. Unit address NO.1 (S1.1 - S1.4 OFF) is reserved for Master only. 5. For individual control (single unit), jumper JP1 CLOSE. 6. For single unit, insert the TH5 & TH6 sensor into water inlet and outlet of the heat exchanger.
NOTE:

Page 14
Model: FCA 301 EC/NC (Slave)
Transformer
Module entering water temperature sensor Module leaving water temperature sensor Circuit 2 condenser temperature sensor Circuit 1 condenser temperature sensor
To next module
From previous
module
Operation
indicator
External
alarm
High pressure switch Low pressure switch, cooling Overload protection Main switch Water flow switch
Symbol Description Symbol Description
Compressor Fan motor Power indicator Contactor Phase protector Fuse Timer
Discharge temperature switch
Last module close
Jumper setting
FCA301EC
FCA301NC
Overload protection setting
Timer setting
FCA301EC
FCA301NC 8S 8S
DIP switch setting
DIP S2
FCA301EC
FCA301NC
S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
1. Field wiring; Factory wiring. 2. Communication bus (A&B) wire must > 0.25 mm2, A & B must be same polarity.
3. Communication bus must alway from power cable. 4. Unit address NO.1 (S1.1 - S1.4 OFF) is reserved for Master only. 5. For individual control (single unit), jumper JP1 CLOSE. 6. For single unit, insert the TH5 & TH6 sensor into water inlet and outlet of the heat exchanger.
NOTE:

Page 15
Model: FCA 301 EH/NH (Single)
High pressure switch Low pressure switch, cooling Overload protection Main switch Water flow switch
Symbol Description Symbol Description
Compressor Fan motor Power indicator Contactor Phase protector Fuse 4 way valve
Crankcase heater
Timer
Circuit 2 condenser temperature sensor Circuit 1 condenser temperature sensor
Outdoor ambient temperature sensor Chiller entering water temperature sensor Chiller leaving water temperature sensor
GND 12V
A B
Remove ON/OFF
External interlock
Operation
indicator
External
alarm
Transformer
Discharge temperature switch
Last module close
Jumper setting
FCA301EH
FCA301NH
Overload protection setting
Timer setting
FCA301EH
FCA301NH 8S 8S
DIP switch setting
DIP S2
FCA301EH
FCA301NH
S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
1. Field wiring; Factory wiring. 2. Communication bus (A&B) wire must > 0.25 mm2, A & B must be same polarity.
3. Communication bus must alway from power cable. 4. Unit address NO.1 (S1.1 - S1.4 OFF) is reserved for Master only. 5. For individual control (single unit), jumper JP1 CLOSE. 6. For single unit, insert the TH5 & TH6 sensor into water inlet and outlet of the heat exchanger. 7. OUT6 is reserved for auxiliary heater.
NOTE:

Page 16
Model: FCA 301 EH/NH (Master)
Remove ON/OFF
External interlock
To next module
Outdoor ambient temperature sensor Chiller entering water temperature sensor Chiller leaving water temperature sensor Module entering water temperature sensor Module leaving water temperature sensor Circuit 2 condenser temperature sensor Circuit 1 condenser temperature sensor
High pressure switch Low pressure switch, cooling Overload protection Main switch Water flow switch
Symbol Description Symbol Description
Compressor Fan motor Power indicator Contactor Phase protector Fuse 4 way valve
Crankcase heater
Timer
Discharge temperature switch
Operation
indicator
External
alarm
Last module close
Jumper setting
FCA301EH
FCA301NH
Overload protection setting
Timer setting
FCA301EH
FCA301NH 8S 8S
DIP switch setting
DIP S2
FCA301EH
FCA301NH
S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
1. Field wiring; Factory wiring. 2. Communication bus (A&B) wire must > 0.25 mm2, A & B must be same polarity.
3. Communication bus must alway from power cable. 4. Unit address NO.1 (S1.1 - S1.4 OFF) is reserved for Master only. 5. For individual control (single unit), jumper JP1 CLOSE. 6. OUT6 is reserved for auxiliary heater.
NOTE:

Page17
Model: FCA 301 EH/NH (Slave)
High pressure switch Low pressure switch, cooling Overload protection Main switch Water flow switch
Symbol Description Symbol Description
Compressor Fan motor Power indicator Contactor Phase protector Fuse 4 way valve
Crankcase heater
Timer
Discharge temperature switch
Module entering water temperature sensor Module leaving water temperature sensor Circuit 2 condenser temperature sensor Circuit 1 condenser temperature sensor
To next module
From previous
module
Operation
indicator
External
alarm
Last module close
Jumper setting
FCA301EH
FCA301NH
Overload protection setting
Timer setting
FCA301EH
FCA301NH 8S 8S
1. Field wiring; Factory wiring. 2. Communication bus (A&B) wire must > 0.25 mm2, A & B must be same polarity.
3. Communication bus must alway from power cable. 4. Unit address NO.1 (S1.1 - S1.4 OFF) is reserved for Master only. 5. For individual control (single unit), jumper JP1 CLOSE. 6. 7. OUT6 is reserved for auxiliary heater.
NOTE:
DIP switch setting
DIP S2
FCA301EH
FCA301NH
S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8
DIP switch setting
DIP S2 S2.5 S2.6 S2.7 S2.8

Page 18
Control Module Setting and Description
a) Input Signal
Input Signal Description Type of control
IN_1 Flow switch NC
IN_2 Cooling low pressure #1 NC
IN_3 High pressure #1 NC
IN_4 Compressor #1 overload NC
IN_5 Heating low pressure #1 NC
IN_6 Power supply or phase failure NC
IN_7 Cooling low pressure #2 NC
IN_8 High pressure #2 NC
IN_9 Compressor #2 overload NC
IN_10 Heating low pressure #2 NC
IN_11 External interlock NC
IN_12 Remote ON/OFF Close = ON; Open = OFF
TH1 Outdoor Coil temperature 1 NTC
TH2 Outdoor Coil temperature 2 NTC
TH3 Chiller leaving water temperature #1 NTC
TH4 Chiller leaving water temperature #2 NTC
TH5 System leaving water temperature NTC
TH6 System entering water temperature NTC
TH7 Ambient temperature NTC
b) Output Signal
Output Signal Description
OUT1 Water pump
OUT2 Condenser fan #1
OUT3 Liquid valve #1
OUT4 Compressor #1
OUT5 4 way valve #1
OUT6 Auxiliary heater
OUT7 Condenser fan #2
OUT8 Liquid valve #2
OUT9 Compressor #2
OUT10 4 way valve #2
OUT11 Operation indicator
AL_IN
AL_OUT External alarm
c) Address Setting (DIP S1.1 - S1.4)
S1.1 S1.2 S1.3 S1.4 Add
OFF OFF OFF OFF 1
ON OFF OFF OFF 2
OFF ON OFF OFF 3
ON ON OFF OFF 4
OFF OFF ON OFF 5
ON OFF ON OFF 6
OFF ON ON OFF 7
ON ON ON OFF 8
OFF OFF OFF ON 9
ON OFF OFF ON 10
OFF ON OFF ON 11
ON ON OFF ON 12
d) Chiller Setting (DIP S2.5 – S2.8)
S2.5 S2.6 S2.7 S2.8 Model
OFFONOFF OFFFCA201EC/EH/ECA both individual and group control.
ON ON OFFOFF FCA201NC/NH both individual and group control.
OFFOFF OFFOFF FCA201FH both individual and group control.
OFFONONOFF FCA301EC/EH individual control only.
OFFONOFF OFFFCA301EC/EH group control (Master/Slave).
ON ON ON OFFFCA301NC/NH individual control only.
ON ON OFFOFF FCA301NC/NH group control (Master/Slave).

Page 19
Controller Features and Algorithm
1) Features
a) Multi colour backlight LCD display.
b) Individual or modular control.
 c) Realtimeclock.
 d) 7daysrealtimeON/OFFsetting.
e) Leaving/entering water temperature display.
 f) Variouscontrolparameterssetting.
g) Manual defrost.
h) Last state memory.
i) Key lock function.
Error codes
display area
Address
display area
Time
display area
Mode
display area
Temperature
display area
2) Key description
Key Description Key Description
DAY Date settings MENU +/- Sub-menu/Item selection
TIME Time settings DISPLAY To select water temperature display
ENTER Execute instruction SET To change parameter settings
CANCEL Clear instruction CLEAR To clear the error code
MODE Reserved (no function yet) Navigation key
DEF Manual defrost ON/OFF key
3) LCD indicator
Indicator Indicator ON Indicator Blink Indicator Indicator ON Indicator Blink
System ON
Entering water temperature
System OFF Ambient temperature
Cool mode Auto mode Circuit #1 defrost
Heat mode Auto mode Circuit #2 defrost
Antifreeze Heater ON
Remote Cool/Heat Compressor #1 ON
Compressor oil preheat
Unit address Compressor #2 ON
Compressor oil preheat
ON
OFF
2