Question about Goodman GDS80703ANA Open Flame Mid-Size Heater

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Would like to have one

30 VAC 1.5 AMPS

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There shouldn't be anything too special about that thermostat.  it's just 1 heat, and 1 cool.  our digital ones are only $60 or so.

Posted on Nov 30, 2008


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What thermasat do I need for this unit Goodman avptc37c14ac

you need a 24 volt tstat, recommend a 2 heat 2 cool for maximum efficiency. not totally familiar with goodman products but it looks like this unit is communicating compatible but that's an extra dollar sign! Best Wishes.

Jan 16, 2018 | Goodman Heating & Cooling

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Color code for theromstat

Wiring Examples and Instructions
Basic or Common Connection Points
Terminal Colour Signal-Type Description C Black 24 Vac Common Common side of 24 Vac Transformer See Diagram below R or V red 24 Vac Transformer Power Power side of 24 Vac Transformer See diagram below RH or 4 red 24 Vac for heat 24 Vac power before heat switch see diagram below Rc Red 24 Vac for cool 24 Vac power before cool switch see diagram below Y Yellow switched power (cooling) Signal to turn on cooling system see diagram below W White Switched power (heating) Signal to turn on heating system see diagram below G Green Switched power for fan Signal to turn on fan (forced air) see diagram below
Heat Pumps/Multi-Stage Units
Terminal Colour Signal-type Description Y2 Can vary Switched power (2nd stage cooling) 2nd stage cooling signal to compressor W2 Can vary Switched power (2nd stage heating) 2nd stage heating/ sometimes used as emergency heat E Can vary Emergency heat enable Dedicated emergency heat 0 Orange Reversing value Reversing dynamics of the heat pump ----

Nov 22, 2015 | Honeywell Digital Round Thermostat,...

3 Answers

My rheem 50 gal water heater model 81mv52d keeps tripping the breaker, what do i need to do to stop this

Check all wiring at water heater and possible upper thermostat is bad, and in need of replacement.

Aug 15, 2011 | Rheem 50 GAL ELEC TALL Water Heater 6YR SC...

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Thermostat will not turn on AC unit or the fan in the unit. Heating-Co0ling Thermostat CHT 18-60 3aaT76A21A55 30 VAC 1.5 Amps Goodman Mfg. Corp.

Here is what I would try to see if the thermostat is bad. Take the facing off the thermostat. Once this is done you will see where the wiring is connected should be a red green yellow and white Turn off power to unit make a diagram as to where the wiring was connected red to r green to g and so on Remove these wires red green and yellow and twist them together Go to the power source and re energize the unit once this is done all components should come on if not the thermostat isn't your problem Red is your low voltage power supply (24 volts) Green is your fan motor in furnance, yellow is your outside cooling unit. 1 other thing you might check. In the furnance if the doors are not properly installed on the face of the furnance it may not allow the unit to come on. There is a safety switch on the furnance where the filter is that if the door is not put on properly the whole system loses power and will not work. Hope this helps. Good Luck


Sep 15, 2009 | Heating & Cooling

1 Answer

Goodman with 2 thermostats, freezes in summer, no heat in winter

is the system zoned? if so maybe the zoning control board to the damper motor is wired improperly. when a system freezez its because of 1- restricted air flow across coil, (maybe dirty filter) or 2-low refrigerant charge. again could depend on how its zoned.

Feb 16, 2009 | Goodman PHKJ048-1 Air Conditioner

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