Need installation manual for the A36-15 Air Handler. Intermittent function of blower on heat setting while in Auto.

Asked by Larry on 02/13/2011 2  Answers

ManualsOnline posted an answer 4 years, 5 months ago

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0 Should mention that the Cpacitor and fan motor are ok, changed the Fan coil relay (BTDR) too. I suspect the heat coil sequencers causing problem as heat comes on but not the fan. Already swapped the Fan Coil relay
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0 From the schematic (I'm an electrician) I narrowed the problem down to the 3 pole, 2 stage heat sequencer. When this problem occurs in heat mode only, as mine, that is likely the cause in most of these Goodman units I see people post about onlne seeking a solution. If it occurs both in heating and cooling or just cooling then the fan relay is likely the suspect.
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