York 291627-YTG-B-0807 warranty Refrigerant Components, Unit Operating Characteristics

be totally enclosed with permanently lubricated bearings and internally protected against overload conditions.

REFRIGERANT COMPONENTS

Compressors:

a.Shall be fully hermetic type, direct drive, internally protected with internal high-pressure relief and over temperature protection. The hermetic motor shall be suction gas cooled and have a voltage range of + or - 10% of the unit nameplate voltage.

b.Shall have internal isolation and sound muffling to minimize vibration and noise, and be externally iso- lated on a dedicated, independent mounting.

Coils:

a.Evaporator and condenser coils shall have alumi- num plate fins mechanically bonded to seamless internally enhanced copper tubes with all joints brazed.

b.Evaporator coil shall be of the direct expansion, blow through design, while condenser coil shall be draw through design.

291627-YTG-B-0807

Refrigerant Circuit and Refrigerant Safety Components:

a.Shall include independent fixed-orifice expansion devices.

b.Shall include filter/strainer to eliminate any foreign matter.

UNIT OPERATING CHARACTERISTICS

Unit shall be capable of starting and running at 125º F out- door temperature, exceeding maximum load criteria ARI Standard 210/240. The compressor, with standard controls, shall be capable of operation down to 45º F outdoor tempera- ture. Accessory low ambient kit shall be available for opera- tion to 0º F.

ELECTRICAL REQUIREMENTS

All unit power wiring shall enter unit cabinet at a single factory provided location and be capable of side or bottom entry, to minimize roof penetrations and avoid unit field modifications. Separate side and bottom openings shall be provided for the control wiring.

30 Unitary Products Group