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FEH-017HA-C Intertherm Furnace(Faan continuous run?????)
Posted: Mon Aug 20, 2007 7:54 pm
by Number35
Hi, all
This is my very first post and I was wondering if anyone can give me a quick blurb on how to make this furnace fan run continuously on low. The fan has the capability but I am unsure of the wiring, due to the schematic being missing. Someone please help!!!
Al
RE: FEH-017HA-C Intertherm Furnace(Faan continuous run?????
Posted: Mon Aug 20, 2007 10:20 pm
by Robert
Hi,
In continous On, it is designed to run in High speed.
Thanks,
Robert
RE: FEH-017HA-C Intertherm Furnace(Faan continuous run?????
Posted: Thu Aug 23, 2007 2:32 pm
by Number35
Thanks for the response to my question. Is there anyway that I could make this furnace run at a low speed on continuous. This is an older furnace and the home owner would like to leave the fan on to circulate the air. My understanding of the schematic was that this furnace was designed to run on high as well, thanks for reassuring me of that. Thanks again for your time.
Al
RE: FEH-017HA-C Intertherm Furnace(Faan continuous run?????
Posted: Thu Aug 23, 2007 9:00 pm
by hvac1000
You will have to change the wiring to the motor to get a different speed. Make sure the motor stays at the same speed it is on for heating or it could present a problem.
RE: FEH-017HA-C Intertherm Furnace(Faan continuous run?????
Posted: Fri Aug 24, 2007 1:07 am
by Robert
Hi,
Trace your wires at the molex plug connector where the wires go from there to the motor.
Determine where the wire is coming in with power from Fan ON setting.
It is often jumpered over to the high speed wire to motor.
If so, remove the jumper from high speed wire and jumper it to the heating speed wire, either low or med. low.
It MUST go to the heating speed though, whether low or med. low.
If this is confusing at all, please get a Tech to do it.
Take care and best wishes,
Robert