13
Blower Fan Wheel - Inspect the blower wheel blades for
accumulations of dirt and clean if necessary. Inspect mounting
nut for tightness when done.
Blower Motor & Assembly - Inspect the blower assembly
and motor mounting brackets for tightness and corrosion.
Correct deficiencies if necessary. The blower motor contains
sealed bearings and under normal operating conditions,
no maintenance is necessary for the life of the equipment.
REFRIGERANT CHARGING
WARNING:
NITROGEN
HEALTH
FLAMMABILITY
REACTIVITY
0 Minimal Hazard
1 Slight Hazard
1
0
0
The evaporator coil is shipped from the factory
with a nitrogen charge. Use caution when
preparing coils for field connections. If repairs
make it necessary for evacuation and charging,
it should only be attempted by qualified,
trained personnel thoroughly familiar with this
equipment. Some local codes require licensed
installation service personnel to service this
type of equipment. Under no circumstances
should the equipment owner attempt to install
and/or service this equipment. Failure to comply
with this warning could result in equipment
damage, personal injury, or death.
The system refrigerant charge can be checked and adjusted
through the service ports provided at the front panel of the
outdoor unit. Use only gauge lines which have a Schrader
depression device present to actuate the valve.
Table 3. Filter Sizes
CABINET SIZE FILTER SIZE
A 12 x 20 x 1
B 18 x 20 x 1
C 20 x 20 x 1
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