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INSTALL., OPER., MAINT.

RecipPak LIQUID CHILLERS

WATER COOLED - RECIPROCATING HERMETIC

Supersedes: 150.24-NM27 (1295)

Form 150.24-NM27 (298)

MODELS

200, 230, 460-3-60

60 HZ

YCWJ45EE0, YCRJ45E00,

YCWJ55HE0, YCRJ55H00,

YCWJ56HF0, YCRJ56H00,

YCWJ66KH0, YCRJ66K00,

YCWJ67KH0, YCRJ67K00,

YCWJ77KH0, YCRJ77K00,

YCWJ88MH0, YCRJ88M00

YCWJ99MJ0, YCRJ99M00

STYLE A*

50 HZ

YCWJ56EE0, YCRJ56E00,

YCWJ66HE0, YCRJ66H00,

YCWJ67HF0, YCRJ67H00,

YCWJ77KH0, YCRJ77K00,

YCWJ78KH0, YCRJ78K00,

YCWJ88KH0, YCRJ88K00,

YCWJ99MH0, YCRJ99M00

STYLE A*

26214A

*With EPROM (Standard, Brine & Metric Models, Combined)

031-01652-001

031-01096-001

Form 150.24-NM27 (298)1
RecipPak LIQUID CHILLERS WATER COOLED - RECIPROCATING HERMETIC1
INSTALL., OPER., MAINT.1
TABLE OF CONTENTS2
GENERAL INFORMATION2
UNIT NOMENCLATURE3
COMPRESSOR NOMENCLATURE3
FIG. 1 – UNIT COMPONENTS4
FIG. 1A – COMPRESOR COMPONENTS5
OPERATIONAL LIMITATIONS6
FIG. 2 – COOLER WATER PRESSURE DROP7
PHYSICAL DATA8
WEIGHT DISTRIBUTION AND ISOLATOR LOCATIONS FOR EACH MODEL9
DIMENSIONS10
ELECTRICAL DATA (YCWJ MODELS)12
ELECTRICAL DATA (YCRJ MODELS)14
ELECTRICAL DATA (YCWJ MODELS) SINGLE POINT POWER SUPPLY (OPTIONAL)16
ELECTRICAL DATA (YCRJ MODELS) SINGLE POINT POWER SUPPLY (OPTIONAL)17
INSTALLATION18
- GENERAL18
- INSTALLATION CHECK LIST18
- INSPECTION18
- HANDLING18
- LOCATION18
- FIG. 3 – RIGGING THE UNIT18
- FIG. 4 – FOUNDATIONS19
- FIG. 5 – COMPRESSOR MOUNTING PAD19
- LOW AMBIENT LOCATIONS19
- FOUNDATION AND MOUNTING19
- COMPRESSOR MOUNTING19
- FIELD WATER PIPING19
- CHILLED LIQUID PIPING20
- CONDENSER WATER PIPING20
- REMOTE CONDENSER APPLICATION21
- FIG. 6 – CONDENSER WATER PIPING - COOLING TOWER21
- HIGH SIDE EQUIPMENT22
- FIELD REFRIGERANT PIPING22
- LOW AMBIENT APPLICATION23
- TESTING23
- CHARGING CONNECTIONS24
- VACUUM DEHYDRATION24
- TABLE 1 – SYSTEM PRESSURES*25
- EVACUATING PROCEDURE25
- REFRIGERANT CHARGING PROCEDURE26
- COMPRESSOR INSULATION26
- ELECTRICAL WIRING26
- MULTIPLE UNITS26
- RELIEF VALVES26
- FIG. 7 – TYPICAL ABSOLUTE PRESSURE GAUGE AND CHARGING PANEL26
- WIRING DIAGRAM (With or Without I/O Expansion Board)27
- CONTROL CIRCUIT (Without I/O Expansion Board)28
- CONTROL CIRCUIT (With I/O Expansion Board)29
- FIG. 9 – SYSTEM WIRING30
- MOTOR TERMINAL BOX WIRING WITH MODEL 31AA MOTOR PROTECTOR33
- FIG. 10 – CONNECTION DIAGRAM34
- MICROPANEL CONNECTION DIAGRAM (With I/O Expansion Board)36
UNIT CONTROLS AND OPERATION38
- FIG. 11 – MICROCOMPUTER CONTROL CENTER38
- INTRODUCTION38
- MICROPROCESSOR BOARD38
- POWER SUPPLY BOARD39
- RELAY OUTPUT BOARD39
- I/O EXPANSION BOARD39
- CURRENT TRANSFORMER (C.T.)39
- 40 CHARACTER DISPLAY39
- KEYPAD39
- BATTERY BACK-UP39
- FIG. 12 – POWER PANEL39
- FIG. 13 – CONTROL PANEL (INTERIOR) (With I/O Expansion Board)40
- FIG. 14 – CONTROL PANEL (INTERIOR) (Without I/O Expansion Board)40
- “DISPLAY” KEYS41
  - GENERAL41
  - TABLE 2 – SWITCH POSITION AND DISPLAY43
  - FIG. 15 – DIP SWITCH LOCATION AND POSITION43
  - SWITCH 144
  - SWITCH 244
  - SWITCH 344
  - SWITCH 444
  - SWITCH 544
  - SWITCH 644
  - SWITCH 745
  - SWITCH 845
- “STATUS” KEY46
  - GENERAL46
  - GENERAL STATUS MESSAGE46
  - FAULT STATUS MESSAGES47
  - CHILLER FAULTS48
  - SYSTEM FAULTS48
- “ENTRY” KEYS50
  - GENERAL50
- “PROGRAM” KEY51
  - GENERAL51
  - DISCHARGE CUT-OUT51
  - OUTSIDE AIR TMP LOW CUT-OUT52
  - OUTSIDE AIR TMP HIGH CUT-OUT52
  - DISCHARGE PRESSURE UNLOAD52
  - AVERAGE CURRENT UNLOAD53
  - SUCTION PRESSURE UNLOAD53
  - RATE CONTROL TEMP53
  - ANTI RECYCLE TIME53
  - LEAVING WATER TEMP CUT-OUT53
  - SUCTION PRESSURE CUT-OUT54
  - RATE SENSITIVITY54
  - NUMBER OF LOAD STEPS54
- “CLOCK” KEYS55
  - GENERAL55
  - PROGRAMMING THE DAY, TIME AND THE DATE55
  - PROGRAMMING THE DAILY START/STOP AND HOLIDAY SCHEDULE56
  - SELECTION OF RETURN OR LEAVING CHILLED LIQUID CONTROL57
    - GENERAL57
- “SETPOINTS” KEYS58
  - GENERAL58
  - PROGRAMMING RETURN WATER CONTROL58
  - PROGRAMMING RETURN WATER RATE CONTROL60
  - FIG. 16 – RETURN WATER TEMPERATURE CONTROL60
  - PROGRAMMING LEAVING WATER CONTROL61
  - PROGRAMMING LEAVING WATER RATE CONTROL62
  - FIG. 17 – LEAVING WATER TEMPERATURE CONTROL63
  - LOADING AND UNLOADING RETURN WATER TEMPERATURE CONTROL64
  - FIG. 18 – 5 STEP LOADING/UNLOADING (RETURN WATER CONTROL)65
  - FIG. 19 – 7 STEP LOADING/UNLOADING (RETURN WATER CONTROL)65
  - FIG. 20 – 10 STEP LOADING/UNLOADING (RETURN WATER CONTROL)66
  - LOADING AND UNLOADING LEAVING WATER TEMPERATURE CONTROL66
  - FIG. 21 – LEAVING WATER TEMPERATURE CONTROL66
  - FIG. 22 – LEAVING WATER CONTROL LOADING/UNLOADING67
- “SYSTEM SAFETIES”68
  - MANUAL RESET SAFETIES (3 Faults and Lockout)68
  - MANUAL RESET SAFETIES (1 Fault and Lockout)70
  - INDIVIDUAL SYSTEM START INHIBIT SAFETIES70
  - AUTOMATIC RESET SAFETIES71
  - ANTICIPATION SAFETY CONTROLS72
  - PUMPDOWN CONTROLS73
- “PRINT” KEYS74
  - GENERAL74
  - REMOTE PRINTOUT74
  - FIG. 23 – OPERATING DATA PRINTOUT74
  - FIG. 24 – HISTORY PRINTOUT75
  - LOCAL DISPLAY READOUT76
- “UNIT” ON / OFF SWITCH81
  - UNIT ON/OFF SWITCH81
  - SYSTEM SWITCHES81
  - ALARM CONTACTS (ANNUNCIATION ALARM)81
  - LEAD/LAG COMPRESSOR SELECTION81
  - FIG. 25 – LOCATION OF THE MICROPROCESSOR BOARD82
  - FIG. 26 – ALARM CONTACT CONNECTION LOCATION82
  - FIG. 27 – LEAD/LAG CONTACT CONNECTION LOCATION83
  - MEMORY BATTERY BACK-UP83
  - FIG. 28 – CLOCK JUMPER83
  - CRANKCASE HEATER84
  - EVAPORATOR HEATER84
  - METRIC DISPLAY84
  - EMS/BAS CONTROLS84
  - REMOTE START/STOP BY A CYCLING DEVICE OR TIME CLOCK84
  - REMOTE SETPOINT RESET84
  - REMOTE UNLOADING85
  - EVAPORATOR WATER PUMP CONTACT85
  - FIG. 29 – EVAPORATOR WATER PUMP CONTACT CONNECTION POINT86
COMPRESSOR CAPACITY CONTROL86
- UNLOADING86
- LOADING86
SYSTEM START-UP CHECKLIST87
- CHECKING THE SYSTEM 24 HOURS PRIOR TO INITIAL START UP (NO POWER)87
- PANEL CHECKS87
- INITIAL START-UP88
- CHECKING SUPERHEAT AND SUBCOOLING88
- OPERATING SEQUENCE UTILIZING RETURN WATER CONTROL89
- OPERATING SEQUENCE UTILIZING LEAVING WATER CONTROL90
PREVENTATIVE MAINTENANCE92
- DAILY MAINTENANCE92
- WEEKLY MAINTENANCE92
- ANNUAL MAINTENANCE92
OPTIONS93
- CONDENSER WATER PUMP CONTACT / RUN STATUS OPTION93
- FIG. 30 – CONDENSER WATER PUMP CONTACT CONNECTION POINT93
- CONDENSER WATER READOUT OPTION94
- HOT GAS BYPASS (LOADMINDER) OPTION94
- FIELD INSTALLATION95
- TABLE 395
- FIG. 31 – PIPING DIAGRAM95
- DISCHARGE PRESSURE READOUT OPTION95
- LOCAL PRINTER OPTION95
- FIG. 32 – WEIGH-TRONIX IMP-24 MODEL 2600 PRINTER96
- FIG. 33 – PRINTOUT96
- FIG. 34 – ASSEMBLY AND WIRING97
- BAS INTERFACE OPTION98
- FIG. 35 – REMOTE RESET BOARD99
TROUBLESHOOTING CHART100
TEMPERATURE CONVERSION TABLES104

Brand	York
Model	YCWJ45EE0
Category	Chiller
Language	English

York YCWJ45EE0 User Manual

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York YCWJ45EE0 Specifications

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