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FORM 160.47-NOM3
YORK INTERNATIONAL
TABLE OF CONTENTS
Nomenclature ............................................................................................... 2
SECTION 1 INSTALLATION .................................................................... 5
General ......................................................................................................... 5
Inspection ..................................................................................................... 6
Data Plate .................................................................................................... 6
Location........................................................................................................ 6
Foundation .................................................................................................... 6
Clearance ..................................................................................................... 6
Rigging.......................................................................................................... 7
Locating and Installing Isolator Pads ........................................................... 12
Checking the Isolator Pad Deflection .......................................................... 12
Installing Optional Spring Isolators............................................................... 18
Piping Connections ....................................................................................... 19
Check for Piping Alignment...................................................................... 19
Cooler and Condenser Water Piping........................................................... 20
Cooling Units – Chilled Water .................................................................. 20
Cooling Units – Condenser Water Circuit................................................ 20
Stop Valves ............................................................................................... 20
Flow Switches (Field Installed) ................................................................ 20
Drain and Vent Valves.............................................................................. 20
Checking Piping Circuits and Venting Air ................................................ 20
Refrigerant Relief Piping.............................................................................. 21
Unit Piping .................................................................................................... 23
Control Wiring .............................................................................................. 23
Power Wiring ................................................................................................... 23
Unit with Electro-Mechanical Starter ...................................................... 23
Unit with Solid State Starter (Optional).................................................... 24
Insulation ...................................................................................................... 24
Insulation Check – Request for Start-Up Service ....................................... 24
SECTION 2 OPERATION .......................................................................... 27
Basic Description ......................................................................................... 27
Components.................................................................................................. 27
Driveline.................................................................................................... 27
Oil Separator ............................................................................................ 28
Condenser ................................................................................................. 28
Evaporator ................................................................................................ 28
Condensing Water Temperature .................................................................. 29
R-22 Refrigerant ...................................................................................... 29
R-134a Refrigerant................................................................................... 29
Oil System .................................................................................................... 29
Oil Eductor Circuit ....................................................................................... 33
Liquid Refrigerant Circuit ............................................................................ 34
Dual Service Chillers ................................................................................ 34
Capacity Control
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37
SECTION 3 MAINTENANCE ................................................................... 39
General ......................................................................................................... 39
Compressor Oil ............................................................................................ 39
Changing Compressor Oil......................................................................... 39
Oil Level ................................................................................................... 41
Oil Filter ........................................................................................................ 41
Oil Filter Replacement ................................................................................. 41
Single Oil Filter ......................................................................................... 41
Dual Oil Filters ......................................................................................... 41
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