Specifications

5
FORM 160.80-NOM1
YORK INTERNATIONAL
SECTION 3 OPERATION
Basic Description .................................................................................................................. 32
Components ........................................................................................................................... 32
Driveline ............................................................................................................................. 32
Oil Separator ...................................................................................................................... 32
Condenser .......................................................................................................................... 32
Evaporator .......................................................................................................................... 32
Condensing Water Temperature ........................................................................................... 37
R-22 Refrigerant ................................................................................................................37
R-134a Refrigerant ............................................................................................................ 37
Oil System ............................................................................................................................. 37
Oil Eductor Circuit ................................................................................................................ 41
Liquid Refrigerant Circuit......................................................................................................41
Dual Service Chillers ......................................................................................................... 41
Capacity Control
...................................................................................................................
44
SECTION 4 MAINTENANCE
General .................................................................................................................................. 46
Compressor Oil ..................................................................................................................... 46
Changing Compressor Oil .................................................................................................. 46
Oil Level ............................................................................................................................. 47
Oil Filter ................................................................................................................................. 47
Oil Filter Replacement ..........................................................................................................47
Single Oil Filter................................................................................................................... 47
Dual Oil Filters ................................................................................................................... 47
Filter Drier Replacement....................................................................................................... 49
Motor ..................................................................................................................................... 49
Determining Correct Refrigerant Charge Level ................................................................... 49
Refrigerant Charging............................................................................................................. 49
Refrigerant Leak Checking ................................................................................................... 50
Pressure Connections............................................................................................................50
Condenser Tubes ................................................................................................................... 50
Condenser Water Side Tube Cleaning Procedure ................................................................ 50
Chemical Cleaning Procedure ........................................................................................... 51
Mechanical Cleaning Procedure ........................................................................................ 51
Evaporator Tubes .................................................................................................................. 51
Megging The Motor .............................................................................................................. 52
Vibration Analysis ................................................................................................................. 54
Spectral Alarm Bands for 4/6 Lobe Twin Screw Chillers .................................................... 55
Oil Recovery ......................................................................................................................... 56
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