Help2 Wiring a Honeywell RTH7400 Thermostat

12:39 ______________________________________________________________________ Hello Houston! Thank you for all your advice. I checked the wiring inside the Heat pump unit and I have listed what I came up with. I hope you can make some sense of what I have listed. Continue reading

GMP 075 4 LED blinks once

______________________________________________________________________ I have a GMP 075 4. When I turn it on, the HSI glows but there is no gas flow/ignition. The LED is blinking once. How can I troubleshoot this issue? Can I test the control valve, pressure sensor, Continue reading

oil furnace won’t cut off

______________________________________________________________________ I replaced the termostat and it still want cut off. I need help thanks blackandtanman Replies: djgilbert “Re(1):oil furnace won’t cut off” , posted Sun 6 Jan 10:09 ______________________________________________________________________ Does the buirner not go off or is it just Continue reading

Trane XR90 Gas Furnace & Honeywell 8320 Stat.

16:29 ______________________________________________________________________ I recently replaced the builder’s generic first floor T-Stat with a Honeywell 8320 and I really like it. The first floor has a Trane XR90 gas furnance that supplies the heat and I’ve been letting the T-Stat do Continue reading

Squeaking noises fron HVAC unit outside

______________________________________________________________________ Loud high pitched intermittent noise coming from outside HVAC unit. I think its the fan motor bearings. Could it be anything else? Thanks for input. Duane Duane Replies: yuri “Re(1):Squeaking noises fron HVAC unit outside” , posted Sun 2 Continue reading

A/C runs continuously – keeps cooling

______________________________________________________________________ Replaced an old mercury thermostat with the Honeywell RTH230B programmable… I turned it to cool, and it just stays on and keeps cooling the house well below the temperature programmed. For example, I got up this morning, the A/C Continue reading

Carrier Weathermaker 8000 motor noise

______________________________________________________________________ I have a Carrier Weathermaker 8000 with a dual speed or variable speed motor. Recently, it’s started to make a very noticeable vibration sound when it kicks into the higher speed mode. I took the panel off and the Continue reading

need wiring digram

______________________________________________________________________ I need a digram for a NORDYNE electricheating unit MODEL # E2EB-015HA.THE BLOWER MOTOR WILL NOT COME ON, BUT THE MOTOR IS GOOD. FAN RELAY WAS BURNED UP NEED DIOGRAM TO WIRE IN NEW ONE. Replies: Houston204 “Re(1):need wiring Continue reading

CARRIER/BDP 394GA Filter confusion

______________________________________________________________________ I am a total newbie so any advice is appreciated – I have a CARRIER/BDp model #394GAW0001000AAAA in the basement of this home and I’d like to change the filters – I downloaded the user manual from Bryant for Continue reading

Getting an Education/Finding a school

______________________________________________________________________ I am interested in becoming an HVAC mechanic, it seems like a job that will never go out of demand and allows a lot of freedom. Id really like to go to a school to get the education to Continue reading