GUIDE SPECIFICATIONS (cont)
L. Motors: | 8. Low Ambient Package: |
1.Compressor motors shall be of the
2.All fan motors shall have permanently lubricated bear- ings, and inherent, automatic reset, thermal overload protection.
3.
1.Louvered Grille:
Wire grille shall be standard on all units. Louvered grille shall be available as a
2.Coil Options:
Shall include
3.Economizer:
a.Economizer controls capable of providing free cooling using outside air.
b.Equipped with low leakage dampers not to exceed 3% leakage, at 1.0 in. wg pressure differential.
c.Spring return motor shuts off outdoor damper on power failure.
4.Flat Roof Curb:
Curbs shall have seal strip and a wood nailer for ¯ash- ing and shall be installed per manufacturer's instructions.
5.Manual Outdoor Air Damper:
Package shall consist of damper, birdscreen, and rain- hood which can be preset to admit outdoor air for
6.Thermostat:
To provide for
7.
Shall consist of a
9.Filter Rack Kit:
Shall provide ®lter mounting for down¯ow applications.
10.Controls Upgrade Kit:
Shall provide high and low pressure safety protection.
11.
Shall have the ability to convert the supply and return openings from rectangular to round.
12.Compressor Protection:
13.Duct Conversion Kit:
Shall enable conversion of a factory supplied side discharge unit to down¯ow discharge air¯ow unit.
14.Crankcase Heater:
Shall provide
15.High Altitude Kit:
Shall consist of natural gas ori®ces to compensate for gas heat operation at 2001 to 6000 ft above sea level.
16.Low NOx Kit:
Shall provide NOx reduction to values below 40 nanograms/joule to meet California emission requirements.
17.Compressor Hard Start Kit:
Shall provide additional starting torque for single- phase compressors.
Shall be complete with all required hardware to con- vert to liquid propane (LP) operation at 3.5 in. wg manifold pressure.
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