Codes And Standards; Isolation Mounting; Refrigerant Containment; Paint/Shipment - York YK Manual

Equipment Overview (Cont'd)
JOHNSON CONTROLS

CODES AND STANDARDS

• ASME Boiler and Pressure Vessel Code – Section Vlll Division 1
• UL 1995 – Heating and Cooling Equipment
• ASHRAE 15 – Safety Code for Mechanical Refrigeration
• ASHRAE Guideline 3 – Reducing Emission of Halogenated Refrigerants in Refrig-
eration and Air-Conditioning Equipment and Systems
• NEC – National Electrical Code
• OSHA – Occupational Safety and Health Act

ISOLATION MOUNTING

The unit is provided with four vibration isolation mounts of nominal 1" operating height.
The pads have a neoprene pad to contact the foundation, bonded to a steel plate. The
vibration isolation pads assemblies mount under steel plates affixed to the chiller tube
sheets.

REFRIGERANT CONTAINMENT

The standard unit has been designed as a complete and compact factory-packaged chill-
er. As such, it has minimum joints from which refrigerant can leak. The entire assembly
has been thoroughly leak tested at the factory prior to shipment. The YORK
includes service valves conveniently located to facilitate transfer of refrigerant to a remote
refrigerant storage/recycling system. Optional condenser isolation valves allow storage of
the charge in the condenser.
PAINT
Exterior surfaces are protected with one coat of Caribbean blue, durable alkyd modified,
vinyl enamel machinery paint.
SHIPMENT
A protective covering is furnished on the motor starter, Control Center VSD and unit
mounted controls. Water nozzles are capped with fitted plastic caps. The entire unit is
protected with a industrial-grade, reinforced shrink-wrapped covering.
FORM 160.75-EG1 (519)
YK chiller
®
17