Subject to change without notice. Printed in U.S.A.
036-21323-002-C-0206
Copyright
©
2006 by Unitary Products Group. All rights reserved.
Supersedes: 036-21323-002-B-0804
Unitary
5005
Norman
Products
York
OK
Group
Drive
73069
GUIDE SPECIFICATIONS
EVAPORATOR - LA300, LB180, 240, 360, 480 & 600
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,
and equipped with a V-belt drive option that will permit
the blower RPM to be adjusted to meet the exact CFM
requirement of the system.
EACH UNIT 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 2” filters
THE DIMENSIONS OF EACH UNIT SHALL NOT EXCEED
THOSE SPECIFIED.
THE BLOWER MOTOR SHALL:
•
be mounted within the insulated cabinet t 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
pump down.
THE BLOWER WHEELS SHALL BE:
Dynamically balanced to minimize the levels of sound and
vibration generated by the unit.
CONDENSER - LA300, LB180, 240, 360, 480 & 600
EACH UNIT SHALL BE:
•
ETL and cETL approved.
•
completely assembled for one-piece shipping and rig-
ging.
•
leak pressure and functionally tested at the factory to
assure a trouble-free start-up after installation.
•
covered by a 1-year limited parts warranty on the com-
plete unit.
EACH UNIT SHALL HAVE:
•
a steel angle frame to provide the rigid support required
for shipping, rigging and years of dependable operation.
•
zinc-coated steel that has been finished by a powder
paint process to provide a long-lasting, quality appear-
ance.
•
removable panels for easy access to all internal compo-
nents during maintenance and service.
THE DIMENSIONS OF EACH UNIT SHALL NOT EXCEED
THOSE SPECIFIED IN THE PLANS.
EACH COMPRESSOR SHALL BE:
•
mounted on isolators to minimize the transmission of
vibration.
ALL CONDENSER COILS SHALL BE:
•
draw thru design.
•
constructed of copper tubes arranged in staggered rows
and mechanically expanded into aluminum fins.
THE CONDENSER FAN MOTOR(S) SHALL:
•
be directly connected to the condenser fans.
•
have permanently lubricated ball bearings.
•
have inherent overload protection.
•
be three phase.
•
be arranged for vertical discharge of the condenser air.
THE WIRING FOR EACH UNIT SHALL INCLUDE:
•
a crankcase heater (one per compressor).
•
all 24-volt temperature control circuit.
•
both high and low pressure cutouts.
•
Solid-state or internal line break compressor motor pro-
tection.
•
Condenser fan motor control to assure stable operation
at ambient temperature down to 40 °F.
THE REFRIGERANT PIPING OF EACH SYSTEM SHALL
INCLUDE:
•
a filter-drier shipped separately for field installation.
•
a liquid line, moisture-indicating, sight glass shipped
separately for field installation.
•
liquid line and suction line valve shipped separately for
field installation.
