Nordyne Intertherm MGH-065ABWL-07
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- Posts: 1
- Joined: Fri Nov 06, 2009 9:02 pm
I fired my system off a few weeks ago and unit has been working fine. In this crazy eastern NC weather we have had to switch back and forth between heat and A/C. I used the heat unit yesterday and it worked fine. I turned up the stat this morning and the unit did not fire off. I turned the stat back and the stat arched. I did it again and same thing. I checked the pilot and it was burning pretty as you please. It has the simple two wire stat so I took the wires off and put them together. Unit would not lite. When I pulled the wires apart I got the same spark. I checked to make sure the heat/ac switch and fan switch were in correct positions. They were. With the thermostat disconnected a funny thing happened when I turned the Heat/ac switch to AC. The AC came on. I checked the gas valve and with the stat wires together and switch on heat, I am not getting voltage to the valve. Is my heat/ac switch or thermostat relay bad?
Hi,
Could be either, would have to test circuit with meter to know for sure.
The t-stat reversing relay controls a/c and when switched to a/c at switch, a/c WILL come on IF t-stat wires are disconnected OR t-stat is open and not calling for heat.
Two wire systems are hard to understand.
You can call toll free tomorrow if you wish to order at toll free 1-877-263-7860.
I'm originally from SC and now in TN, we get the same weather.
However, not only do I deal with it as a homeowner, at work also.
LOL, one day I'm repairing a furnace and next day it's an a/c unit.
Thanks,
Robert
Could be either, would have to test circuit with meter to know for sure.
The t-stat reversing relay controls a/c and when switched to a/c at switch, a/c WILL come on IF t-stat wires are disconnected OR t-stat is open and not calling for heat.
Two wire systems are hard to understand.
You can call toll free tomorrow if you wish to order at toll free 1-877-263-7860.
I'm originally from SC and now in TN, we get the same weather.
However, not only do I deal with it as a homeowner, at work also.
LOL, one day I'm repairing a furnace and next day it's an a/c unit.
Thanks,
Robert
Some people are Humbly Grateful, while some are Grumbly Hateful.................... Which one are you ?
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