Johnson Controls YORK YK Series, Installation Manual

Contents

Contents

General safety guidelines................................................................................................................................5

Safety symbols....................................................................................................................................... 5
Changeability of this document...........................................................................................................6

Revision notes...............................................................................................................................................6

Associated literature........................................................................................................................................ 7

Nomenclature........................................................................................................................................ 7

Introduction...................................................................................................................................................... 8

General....................................................................................................................................................8
Field assembled units only................................................................................................................... 8
Shipment.................................................................................................................................................9

Form 1 - Factory assembled unit, with motor, refrigerant, and oil charges......................................... 9
Form 2 - Factory assembled unit, with motor only.................................................................................. 9
Form 3 - Driveline seperated from shells................................................................................................10
Form 7 - Split shells....................................................................................................................................10
Form 9 - Unit separate from variable speed drive................................................................................. 10
Form 10 - Unit separate from variable speed drive............................................................................... 12

Inspection - damage - shortage.........................................................................................................12
Chiller data plate..................................................................................................................................12
Long-term storage...............................................................................................................................13

Shipment form 2/3/7/9..............................................................................................................................15
Shipment form 1/10...................................................................................................................................15

Rigging..................................................................................................................................................16
Location................................................................................................................................................ 17
Motors...................................................................................................................................................17
Foundation........................................................................................................................................... 17
Clearance.............................................................................................................................................. 18

Installation...................................................................................................................................................... 22

Rigging unit to final location.............................................................................................................. 22
Locating and installing isolator pads................................................................................................ 22
Checking the isolation pad deflection...............................................................................................22
Leveling the unit.................................................................................................................................. 22
Installing optional spring isolators....................................................................................................22

Piping connections.....................................................................................................................................23

Evaporator and condensor water piping..........................................................................................23

Chilled water...............................................................................................................................................23
Condenser water circuit............................................................................................................................ 24
Stop valves.................................................................................................................................................. 24
Flow switches..............................................................................................................................................24
Waterbox drain and vent valves...............................................................................................................24
Checking piping circuits and venting air.................................................................................................25

Unit piping............................................................................................................................................ 25

Model YK (Style G) Centrifugal Liquid Chiller

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