GUIDE SPECIFICATIONS Ð 580D036-150
PACKAGED ROOFTOP ELECTRIC COOLING UNIT WITH GAS HEAT Ð CONSTANT VOLUME APPLICATION
HVAC GUIDE SPECIFICATIONS
SIZE RANGE: 3 to 121¤2 TONS, NOMINAL (COOLING) 72,000 TO 250,000 BTUH, NOMINAL (INPUT HEATING)
MODEL NUMBER: 580D
Part 1 Ð General
1.01SYSTEM DESCRIPTION
Outdoor rooftop mounted,
1.02QUALITY ASSURANCE
A.Unit shall be rated in accordance with ARI Standards 210/ 240 or 360 and 270. Designed in accordance with UL Standard 1995.
B.Unit shall be designed to conform to ASHRAE 15, latest revision.
C.Unit shall be
D.Roof curb shall be designed to conform to NRCA Standards.
E.Insulation and adhesive shall meet NFPA 90A require- ments for ¯ame spread and smoke generation.
F.Unit casing shall be capable of withstanding
G.Unit shall be designed in accordance with ISO 9001, and shall be manufactured in a facility registered to ISO 9002/ BS5750, Part 2.
H.Each 580D unit is subjected to completely automated run testing on the assembly line. Each unit contains a factory- supplied printout indicating tested pressures, amperages, data, and inspectors; providing certi®cation of the unit sta- tus at the time of manufacture.
1.03DELIVERY, STORAGE, AND HANDLING
Unit shall be stored and handled per manufacturer's recommendations.
Part 2 Ð Products
2.01EQUIPMENT (STANDARD)
A.General:
Factory assembled,
B.Unit Cabinet:
1.Unit cabinet shall be constructed of galvanized steel, and shall be bonderized and coated with a prepainted baked enamel ®nish on all externally exposed surfaces.
2.Evaporator fan compartment interior cabinet surfaces shall be insulated with a minimum
3.Cabinet panels shall be easily removable for servicing.
4.Holes shall be provided in the base rails for rigging shackles to facilitate maneuvering and overhead rig- ging.
5.Unit shall have a
6.Unit shall have a
7.Unit shall have standard
C.Fans:
1.Evaporator Fan:
a.Fan shall be direct or belt driven as shown on the equipment drawings. Belt drive shall include an
b.Fan wheel shall be
c.Bearings shall be sealed, permanently lubri- cated
2.Evaporator fan shall be made from steel with a
3.Condenser fan shall be of the
4.Condenser fan shall have aluminum blades riveted to
5.
D.Compressor(s):
1.Fully hermetic type, internally protected.
2.Factory
3.On independent mounting circuits
E.Coils:
1.Evaporator and condenser coils shall have aluminum plate ®ns mechanically bonded to copper tubes with all joints brazed.
2.Tube sheet openings shall be belled to prevent tube wear.
3.Evaporator coil shall be of the
F.Heating Section:
1.
2.The heat exchanger shall be of the
3.Burners shall be of the
4.All gas piping shall enter the unit cabinet at a single location.
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