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Test Running and Evaluation
1
Check that all tubing and wiring has been
properly connected.
2
Check that the gas and liquid side service valves
are fully open.
Operate the system for 15–20 minutes. Check the
system refrigerant charge:
1
Measure the pressure of the gas side service valve.
2
Measure the outside ambient air temperature.
NOTE: Refer to the Mini-Manual supplied with the unit for
the systems operating amperage and evaporator discharge air
temperature at the various ambient levels. At a typical outdoor
ambient temperature of 95° F, the gas (suction) pressure at the
outdoor unit should be 70–75 P.S.I.G. in cooling mode.
For any service which requires entry
into the refrigerant sealed system,
Federal regulations require the work
be performed by a technician having a
Class II or Universal certification.
8
Customer ServiceTroubleshooting Tips
Operating Instructions
Safety Instructions
Installation Instructions
27
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