York YCAL Series Installation Operation & Maintenance page 6

REFRIGERANT FLOW DIAGRAM ....................................................................................................30
SECTION 3 - HANDLING AND STORAGE .............................................................................................31
DELIVERY AND STORAGE ...............................................................................................................31
INSPECTION .......................................................................................................................................31
MOVING THE CHILLER .....................................................................................................................31
Lifting Weights ...............................................................................................................................31
UNIT RIGGING ....................................................................................................................................32
SECTION 4 - INSTALLATION ...................................................................................................................33
INSTALLATION CHECKLIST ............................................................................................................33
HANDLING ...........................................................................................................................................33
INSPECTION .......................................................................................................................................33
LOCATION AND CLEARANCES .......................................................................................................33
Foundation ......................................................................................................................................34
Ground Level Locations ................................................................................................................34
Rooftop Locations ..........................................................................................................................34
Noise Sensitive Locations .............................................................................................................34
SPRING ISOLATORS (OPTIONAL) ..................................................................................................34
COMPRESSOR MOUNTING ..............................................................................................................34
REMOTE COOLER OPTION ..............................................................................................................34
CHILLED LIQUID PIPING ..................................................................................................................34
DUCT WORK CONNECTION ............................................................................................................35
General Requirements ..................................................................................................................35
WIRING ................................................................................................................................................35
Evaporator Pump Start Contacts ..................................................................................................36
System Run Contacts ....................................................................................................................36
Alarm Status Contacts ...................................................................................................................36
Remote Start/Stop Contacts ..........................................................................................................36
PWM Input .......................................................................................................................................36
Load Limit Input .............................................................................................................................36
Flow Switch Input ...........................................................................................................................36
COMPRESSOR HEATERS ................................................................................................................36
SINGLE-POINT SUPPLY CONNECTION - TERMINAL BLOCK, NON-FUSED
DISCONNECT SWITCH OR CIRCUIT BREAKER (0041 - 0071) ....................................................37
CONTROL WIRING .............................................................................................................................38
SECTION 5 - COMMISSIONING ..............................................................................................................39
PREPARATION - POWER OFF .........................................................................................................39
Inspection ......................................................................................................................................39
Refrigerant Charge .........................................................................................................................39
Service and Oil Line Valves ...........................................................................................................39
Compressor Oil ..............................................................................................................................39
Fans ................................................................................................................................................39
Isolation / Protection ......................................................................................................................39
Control Panel ..................................................................................................................................39
Power Connections ........................................................................................................................39
Grounding .......................................................................................................................................39
Supply Voltage ................................................................................................................................40
6
TABLE OF CONTENTS (CONT'D)
FORM 150.66-NM3
ISSUE DATE: 09/25/2020
JOHNSON CONTROLS