York 480 Blower User Manual


 
036-21335-002-A-1102
Unitary Products Group 23
GUIDE SPECIFICATIONS
EACH UNIT SHALL BE:
Covered by a 1-year limited parts warranty on the com-
plete unit.
In current production with published literature available
to check performance, limitations, specifications, power
requirements, dimensions, operation and appearance;
also equipped with a V-belt drive option that:
a. Will permit the blower RPM to be adjusted to meet
the exact CFM requirement of the system.
EACH UNIT ENCLOSURE SHALL HAVE:
A steel angle frame to provide the rigid support required
for shipping, rigging and years of dependable operation.
Exterior panels of 18 gauge steel, finished with baked
enamel to provide a long lasting quality appearance
Removable panels to provide easy access to the internal
components for maintenance and service, and,
A filter rack with 2filters.
THE DIMENSIONS OF EACH UNIT SHALL NOT
EXCEED THOSE SPECIFIED.
THE BLOWER MOTOR SHALL:
Be mounted within the insulated cabinet to minimize the
transmission of sound to the surrounding space, and
Have a service factor of 1.15.
THE EVAPORATOR COIL SHALL:
Consist of copper tubes arranged in staggered rows,
mechanically expanded into aluminum fins,
Be draw-through, and
Include factory-mounted distributors, expansion valves
and solenoid valves for both capacity reduction and
pumpdown.
THE BLOWER WHEELS SHALL:
Be dynamically balanced to minimize the levels of sound
and vibration generated by the unit.