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Cooling Chassis Installation
1. Remove the cooling chassis from the shipping carton
and examine it for damage. Do not rest it on end. Check
the plate rating against the power supply to make sure
that they are the same (Figure 14). Also check the size
(capacity) to make sure that it coincides with the heat
section; e.g., Size 009 cooling.
2. The cooling chassis is supplied with an internal spring
mounted compressor. The hold-down nuts on the
compressor mountings should not be loosened.
Figure 14: Cooling Chassis Details
3. Manually spin the condenser fan wheel to be sure that
there is no interference or looseness. If it is loose, tighten
the setscrew located over the center of the flat on the
motor shaft. Do not lubricate condenser fan motor at time
of installation.
4. Slide the chassis into the wall box. Chassis must be square
in the box so that all the rubber seals are pressed tight.
Check bottom seal between chassis and wall box to ensure
that it has not been unseated from slot during chassis
installation.
Installation
IM 1068-2 / Page 9 of 28
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