GC9C80 Service Manual
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GC9C80 - 100k BTU - Gas Furnace - 80% AFUE
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SYSTEM OPERA
TION
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Idle
Continous Fan
Compressor Cooling, Low
Stage
Compressor Cooling, High Stage
Gas heat, Low
Stage
Gas heat, High Stage
OEM
test Mode
Mode
Main
Menu
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