Specifications

4 YORK INTERNATIONAL
TABLE OF CONTENTS
Nomenclature .......................................................................................................................... 3
SECTION 1 INSTALLATION
General .................................................................................................................................... 7
Inspection ................................................................................................................................ 8
Data Plate................................................................................................................................ 8
Location ................................................................................................................................... 8
Foundation ............................................................................................................................... 8
Clearance ................................................................................................................................8
Rigging ..................................................................................................................................... 9
Locating and Installing Isolator Pads .................................................................................... 14
Checking the Isolator Pad Deflection ................................................................................... 14
Installing Optional Spring Isolators........................................................................................ 20
Piping Connections ................................................................................................................ 21
Check for Piping Alignment ............................................................................................... 21
Cooler and Condenser Water Piping ..................................................................................... 22
Chilled Water Circuit .......................................................................................................... 22
Condenser Water Circuit ................................................................................................... 23
Stop Valves ......................................................................................................................... 23
Flow Switches (Field Installed) .......................................................................................... 23
Drain and Vent Valves ....................................................................................................... 23
Checking Piping Circuits and Venting Air ......................................................................... 24
Refrigerant Relief Piping.......................................................................................................24
Unit Piping ............................................................................................................................. 25
Control Wiring ....................................................................................................................... 25
Power Wiring ............................................................................................................................. 25
Unit with Electro-Mechanical Starter ................................................................................ 25
Unit with Solid State Starter (Optional) ............................................................................. 26
Insulation ............................................................................................................................... 26
Insulation Check – Request for Start-Up Service ................................................................ 26
SECTION 2 START-UP
Installation Checklist ............................................................................................................. 28
YS Chiller Commissioning Checklist ..................................................................................... 29
YS Chiller Pre-Startup Checklist .......................................................................................... 29
YS Chiller Startup ................................................................................................................. 32