Vol 2 - Garney Construction

D. Refrigeration Components:1. Refrigeration Circuit:a. Liquid filter dryer.b. Suction and liquid access valves.E. Condenser Section:1. Condenser Coil: Constructed of aluminum plate fins mechanicallybonded to seamless copper tubes.2. Entire condenser coil coated with anticorrosion protective coating inaccordance with Article Factory Dip-Applied Protective Coating.3. Fan:a. Direct driven, slow speed propeller type for quiet operation.b. Motor shall be equipped with a thermal protector.F. Evaporator Section:1. Evaporator Coil: Constructed of aluminum plate fins mechanicallybonded to seamless copper tubes.2. Two direct driven evaporator blowers shall be of centrifugal type,forward curved.3. Indoor motor shall be equipped with a thermal protector.G. Electric Heat Coil:1. UL listed.2. Heavy-duty nickel-chromium elements.3. Individual line-break HIGH limit control for each stage.4. HIGH limit control operating through heating element contactors,equipped with automatic reset.5. Internally factory-wired to provide single-point power connection withunit.H. Controls:1. Refrigerant Metering: Factory installed refrigerant metering device.2. Internal control circuit of a current limiting type transformer to generate24V ac, switching devices to operate compressor, indoor fan motor, andelectrical heater(s).3. Access to electrical control box, including the low voltage compartment,shall be from the front of the air conditioner. Side mounted controlboxes shall not be permitted.4. Provide automatic resetting adjustable time delay circuit to preventrapid compressor cycling and to delay startup of compressor on a callfor cooling.PW/WBG/382059UNITARY AIR-CONDITIONINGAUGUST 15, 2012EQUIPMENT©COPYRIGHT 2012 CH2M HILL 23 81 00 - 5