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Cellar Temperature is Too Low (Below 51
0
)
When System is
Running
Possible Cause
Solution
Thermostat set too low on cooling
Reset thermostat to higher cooling temperature
Thermostat not controlling temperature
Wiring integrity compromised (shorted), replace
wiring
Cellar Temperature is Too Cold (Below 51
0
) When System is Not
Running
Possible Cause
Solution
Too much heat loss to adjacent spaces
Increase insulation around the ductwork
and doorways
Add heater
Cellar Temperature is Too High, but Supply Air is Cold
Possible Cause
Solution
Not enough evaporator airflow
Remove blockage in supply or return
Check and clean coil
Coil frozen – shut off unit for two hours
Cellar heat loads are too high
Install additional insulation
Replace with larger sized unit
Problems Controlling Cellar Temperature
Problems are occurring even though the unit seems to be fully operational – evaporator fan blows air
into the cellar and compressor and condenser fan runs.
Summary of Contents for Through-the-Wall
Page 12: ...10 Overview and back view ...
