PART 3 INDIVIDUAL SYSTEMS
3.01
A.The indoor unit shall consist of an evaporator section including evaporator coil, EC fan package, controls, electrical section, and compressor.
3.02CONDENSER
A.Outdoor Propeller Fan Condenser (60Hz): The outdoor condenser cabinet shall be constructed of 2 mm (0.08 in) aluminum, with heavy gauge galvanized steel support legs. The condenser cabinet shall house the condenser coil, fan(s), fan guard(s), and condenser motor control and enabling box. The condenser motor control shall be approved by the National Electrical Manufacturers Association (NEMA) and be constructed using 3R (Reduce, Recycle, Reuse) technology. The condenser shall have copper tubes expanded into aluminum fins. The headers and connections shall be copper. The coil shall be
1.(SA)
2.(EC)
B.Outdoor Propeller Fan Condenser (50Hz): The outdoor condenser casing shall be made of aluminum, and all structural supports, coil frame, motor drive supports, and mounting legs shall be made of galvanized steel. The condenser shall have copper tubes expanded into aluminum fins. Headers and connections shall be copper. The coil shall be pressure tested and sealed for shipment. The condenser motors shall have internal overload protection, and operate on
________ V, _____ ph, 50 Hz power. Motors shall be mounted inside the condenser casing for weather protection, and shall be wired to a terminal strip in a weatherproof panel on the unit. The direct drive, aluminum fan blade and painted steel hub assembly shall be protected by a heavy- gauge,
C.Liquid Receivers: Each standard stock receiver shall conform to UL, CSA, or ASME requirements for 450 psi maximum working pressure. Models with an internal diameter under six inches shall be UL listed. All larger models shall be made according to ASME code and tagged appropriately.
1.All pumpdowns shall be calculated at 80% capacity of liquid.
2.Approximately 10% of pumpdown capacity shall be required to operate receiver properly.
InRoom Precision AC Tech Data Manual | 81 |