York YVAA Installation, Operation & Maintenance Instructions Manual page 7

FORM 201.28-NM1.1
ISSUE DATE: 1/31/2018
Two Inch Deflection Isolator Installation And Adjustment ............................................................................... 94
Two Inch Deflection, Restrained Spring Isolator Specifications ..................................................................... 95
Y2RSI-xx-xxx .........................................................................................................................................95
SECTION 6 - COMMISSIONING ............................................................................................................................97
Preparation ..................................................................................................................................................... 97
Inspection .............................................................................................................................................97
Refrigerant Charge ................................................................................................................................97
Correct System Refrigerant Charge ...................................................................................................... 97
Service and Oil Line Valves ................................................................................................................... 97
Compressor Oil .....................................................................................................................................97
Fans .....................................................................................................................................................98
Isolation / Protection ..............................................................................................................................98
Control Panel .........................................................................................................................................98
Power Connections ...............................................................................................................................98
Grounding ..............................................................................................................................................98
Water System ........................................................................................................................................98
Flow Switch ...........................................................................................................................................98
Temperature Sensor(s) ..........................................................................................................................98
Programmed Options ............................................................................................................................98
Programmed Settings ...........................................................................................................................98
Date and Time .......................................................................................................................................98
Start/Stop Schedule ..............................................................................................................................98
Setpoint and Remote Offset .................................................................................................................. 99
First Time Start Up ......................................................................................................................................... 99
Interlocks ...............................................................................................................................................99
Unit Switch ............................................................................................................................................99
Startup ...................................................................................................................................................99
Oil Pressure ...........................................................................................................................................99
Loading ..................................................................................................................................................99
Condenser and Fan Rotation ................................................................................................................ 99
System Charge ......................................................................................................................................99
General Operation ....................................................................................................................................... 100
Operation in Sub-freezing Conditions ................................................................................................. 100
Unit Maintenance and Shutdown in Sub-freezing Conditions ............................................................ 100
SECTION 7 - OPERATION ...................................................................................................................................101
Operating Controls ....................................................................................................................................... 101
Unit Switch ..........................................................................................................................................101
Keypad ................................................................................................................................................101
Keypad Data Entry Mode ....................................................................................................................102
Display .................................................................................................................................................102
Anti-recycle Timer ................................................................................................................................102
Evaporator Pump Control ....................................................................................................................102
Evaporator Heater Control ..................................................................................................................103
Alarms .................................................................................................................................................103
Chiller Run Contact .............................................................................................................................103
Flow Switch Control .............................................................................................................................103
Remote Run / Stop ..............................................................................................................................103
JOHNSON CONTROLS
TABLE OF CONTENTS (CONT'D)
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