York YLAA - 1.03 DELIVERY AND HANDLING; 2.01 CHILLER MATERIALS AND COMPONENTS

JOHNSON CONTROLS
FORM 150.72-EG6 (516)
56
B. Factory Run Test: Chiller shall be pressure-tested, evacuated and fully charged with re-
frigerantandoil,andshallbefactoryoperationalruntestedwithwaterowingthrough
the vessel.
C. Chiller manufacturer shall have a factory trained and supported service organization.
D. Warranty: Manufacturer shall Warrant all equipment and material of its manufacture
against defects in workmanship and material for a period of eighteen (18) months from
dateofshipmentortwelve(12)monthsfromdateofstart-up,whicheveroccursrst.
1.03 DELIVERY AND HANDLING
A. Unit shall be delivered to job site fully assembled with all interconnecting refrigerant
pipingandinternalwiringreadyforeldinstallationandchargedwithrefrigerantand
oil by the Manufacturer.
B. Provide protective covering over vulnerable components for unit protection during
shipment. Fit nozzles and open ends with plastic enclosures.
C. Unit shall be stored and handled per Manufacturer’s instructions.
PART 2 - PRODUCTS
2.01 CHILLER MATERIALS AND COMPONENTS
A. General: Install and commission, as shown on the schedules and plans, factory as-
sembled, charged, and tested air cooled scroll compressor chiller(s) as specied
herein. Chiller shall be designed, selected, and constructed using a refrigerant with
Flammabilityratingof“1”,asdenedbyANSI/ASHRAESTANDARD34NumberDes-
ignationand SafetyClassicationof Refrigerants.Chillershall includenotless than
two refrigerant circuits above 50 tons (200kW), scroll compressors, direct-expansion
type evaporator, air-cooled condenser, refrigerant, lubrication system, interconnecting
wiring, safety and operating controls including capacity controller, control center, mo-
torstartingcomponents,andspecialfeaturesasspeciedhereinorrequiredforsafe,
automatic operation.
B. Cabinet: External structural members shall be constructed of heavy gauge, galvanized
steel coated with baked on powder paint which, when subject to ASTM B117, 1000
hour, 5% salt spray test, yields minimum ASTM 1654 rating of “6”.
C. Operating Characteristics: Provide low and high ambient temperature control options
as required to ensure unit is capable of operation from 30°F to 115°F (-1°C to 46°C)
ambient temperature. [Optional: 0°F to 125°F (-18°C to 52°C) ambient.]
D. Service Isolation valves: Discharge (ball type) isolation valves factory installed per
refrigerant circuit.
E. Includes a system high-pressure relief valve in compliance with ASHRAE15.
F. Pressure Transducers and Readout Capability
1. Discharge Pressure Transducers: Permits unit to sense and display discharge pres-
sure.
2. Suction Pressure Transducers: Permits unit to sense and display suction pressure.
Guide Specifications (Cont'd)