York YCSA Technical Information

Technical InformationAir-condensed water chillersand heat pumpsYCSA/YCSA-H 120 and 150T and TP (R-410A)Ref.: Y-R70161 1205Clima Roca York S.L. is part

10Operation, cooling and hydraulic diagram. Cool only unit YCSA 120/150Heat exchange takes place between the heat transfer liquid(water or glycol wate

11Operation, cooling and hydraulic diagram. Heat pump unit YCSA-H 120/150SAFETY/CONTROL DEVICESA High pressure switchB Low pressure switchC Pressure t

12Cooling cycleThe 4-way valve is activated. Heat exchange takes placebetween the heat transfer liquid (water or glycol water) andthe refrigerant in t

13Table 2. Cooling capacities YCSA 120 - 150 T and TP (35% ethylene glycol)Model5 128.9 36.4 119.7 39.6 116.1 40.9 110.7 41.7 101.6 46.1 96.0 47.9 92

14Table 4. Cooling capacities YCSA-H 120 - 150 T and TPTable 5. Heating capacities YCSA-H 120 - 150 T and TPModel5 123.5 36.7 114.7 39.9 111.3 41.2 10

15Flow l/hKpaFlow l/hKpa15 000 16 000 17 000 18 000 19 000 20 000 21 000 22 000 23 000 24 000 25 000 26 000 27 000 28 0002 2.20 2.40 2.7 3.0 3.3 3.6 4

16= 4.47°CSelection guide (YCSA and YCSA-H)Necessary informationThe following information is needed to select a YCSA waterchiller:1. Cooling capacity

17Selection exampleAchiller is required to chill ethylene glycol from 1 to -4°C witha capacity of 75 kW.The following design conditions are applicable

18Fig. 1 Recommended ethylene glycol concentrationsFig. 2 Ethylene glycol in other concentrationsFig. 3 Recommended propylene glycol concentrationsFig

19Installation InstructionsInspectionUpon reception, inspect the merchandise and notify both thecarrier and the insurance company, in writing, of any

20LocationBefore locating the unit in place, check the specificationsdescribed on same to be sure you have received the ad-equate product.The unit sho

21Model A B C D E F G HYCSA/YCSA-H 120 3 416 183 1 525 1 942 2 190 199 289 380YCSA/YCSA-H 150 3 770 255 1 630 1 993 2 263 145 211 458Dimensions and hy

22Minimum technical clearance1500 2000 15001500100015002000100015001500WATERINTAKEANDOUTLET1000 1500150015003000AIRAIRAIR

23Wiring diagram, YCSA/YCSA-H 120 (µµµµµC3), 400.3.50THE COMPONENTS INCLUDED IN THESE BOXES ARE NOTSUPPLIED BY THE MANUFACTURER.L1L1NN400V,3 ~,50Hz,N,

24Wiring diagram, YCSA/YCSA-H 120 (µµµµµC3), 400.3.5013 1411 12 15 16 19 20 31 32 3317 18(L) a(N) bPB3PB4cePLP1PGFSROOQ5(5)PHP1LP2PHP2PTHPF1THPF2THPF3

25Wiring diagram, YCSA/YCSA-H 120 (µµµµµC3), 400.3.50J1, J4, J5J6, J7 & J8IDENTIFICATION OF CONNECTORSAND THEIR TERMINALSJ9 & J10DISTRIBUTION

26Wiring diagram, YCSA/YCSA-H 150 (µµµµµC3), 400.3.50THE COMPONENTS INCLUDED IN THESE BOXES ARE NOTSUPPLIED BY THE MANUFACTURER.L1L1NN400V,3 ~,50Hz,N,

27Wiring diagram, YCSA/YCSA-H 150 (µµµµµC3), 400.3.5013 1411 12 15 16 19 20 31 32 3317 18(L) a(N) bPB3PB4cePLP1PGFSROOQ5(5)PHP1LP2PHP2PTHPF1THPF2THPF3

28Wiring diagram, YCSA/YCSA-H 150 (µµµµµC3), 400.3.50J1, J4, J5J6, J7 & J8IDENTIFICATION OF CONNECTORS ANDTHEIR TERMINALSJ9 & J10DISTRIBUTION

29WiringYSCA/YSCA-H 120 and 150 T/TPL1PEL3NL2POWER SUPPLY400V - 3 + N - ph - 50HzCNOREMOTE ON/OFF SWITCH1GENERAL EXTERNALPROTECTIONYCSA CONNECTING STR

3IndexGeneral Information 5- General description 5- Nomenclature 5- Models available and capacities 5- Features and advantages 5Technical Specificatio

30YCSA-H150YCSA150YCSA-H120YCSA120--- --10 20 30 50 (3)Nominal at 400Temp. differentialbetween the wateroutlet and intakeModelYCSAYCSA-HMinimum°CMaxim

31N01/C1-2 Compressor 1, circuit 1 (K1)N02/C1-2 Compressor 2, circuit 1 (K2)N05/C5 Pump 1N06/C6-7 Compressor 3, circuit 2 (K3)N07/C6-7 Compressor 4, c

32SetSetPrgµC³The system is comprised of the following basic components:- Keyboard-display-µC3 controller- Fan speed controllers (FSC1 and FSC2)- Pres

33Keyboard-display remotingThe display can be located at 50 m. from the µC3 controllerby means of a telephone cable.This distance can be increased to

34General wiring diagramSetµc ²CARELSetPrgSelremote terminalJ17G0GB1GNDB2GNDB8Y1D5GNDD3D4D1D224V230VNLREMOTE ON/OFFLP1PUMP 1 PROTECTIONGENERAL PROTECT

35Pressure sensors (B3 and B4)One for each cooling circuit, and connected to the coil sumps.These provide information to the system for fan speed con-

36DESCRIPTION RANGE UNIT VALUEAntifreeze alarm set point -99.9/99.9 °C 3Antifreeze alarm dif. set point 99.9 °K 5Antifreeze alarm set point, lower lim

37-d- DefrostWhen a defrost cycle is in operation, a DEFROST REQ message appears on the start screen.-F- Condensation (fans)DESCRIPTION RANGE UNIT VAL

38-H- Unit configurationDESCRIPTION RANGE UNIT VALUEUnit type 0 - 7 -Number of compressors / circuits - 4 / 2Rotation of compressors - FIFONumber of

39DESCRIPTION RANGE UNIT VALUEAnalogue input 3. Coil pressure circuit 1 (B3) barAnalogue input 4. Coil pressure circuit 2 (B4) barAnalogue input 5. En

40DESCRIPTION RANGE UNIT VALUECOOL set point °C 12HEAT set point °C 40Temperature setting band °K 3COOL set point lower limit °C 6COOL set point upper

41F-r. Software version / language selection- The version and revised date of the µC3 software is dis-played.- The language to be used can be selected

422. Setting by means of the water temperature at the ex-changer outlet.Thermostatic control is based on the temperature value de-tected by probe B6.T

43Dt1Dt2Dt3t (s)DefrActCPT (bar °C)DefrOffTHRDefrOnTHRRotation of compressorsThe control unit provides a FIFO type rotation, in which thefirst compres

44Antifreeze protectionIf temperature sensor B6 (leaving water) detects a tempera-ture below the antifreeze set point, the unit will be blockedand in

45INPUTDESCRIPTIONID4Thermal protection,pump 1, Q5ID18Thermal protection,pump 2, Q6ID2Flow switch PDW,FSID9Thermal protection,fans, circ. 1, THPF1,THP

46!124635REMOTE CONTROLRemote control unitWall-mounted, with push-buttons for COOL/HEAT and ON/OFF functions. Includes power supply, alarm and COOL/HE

5General InformationGeneral descriptionThe YCSA/YCSA-H 120 and 150 units are high-performanceair-water water chillers and heat pumps using R-410A eco-

6nected to two independent cooling circuits. Start-up is car-ried out by four sequential FIFO starters. These compres-sors are equipped with protectio

7Physical data, cool only unitsUnits with hydro kit (version P)(1) Weight for unit empty. (2) Available static pressure, Eurovent certified. (3) Press

8Physical data, heat pump unitsCooling capacity 114 145Heating capacity 119.6 150Capacity control 25/50/75/100%Power supply 400.3.50Compressor consump

9Units with hydro kit (version P)Units without pack(1) Weight for unit empty. (2) Available static pressure, Eurovent certified. (3) Pressure with cle