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Noma Programmable thermostat
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I have tried to replace a conventional lever action mercury thermostat with a new digital programmable Noma thermostat. The AC works fine but when I turn on the heat, the AC come on then too and not the heat. I have no heat. This was the wiring for the original thermostat: Orange -> Y Red ->...
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Hi everyone, I just purchased the above mentioned thermostat and connected the wires accordingly. My question is the old mercury thermostat had a jumper to R and RN if I'm not mistaken. The new digital thermostat only asks that the four wires be connected with no mention of a jumper. I...
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I have an old carrier thermostat model q674j119 or t874g1790 for my oil furnace and heat pump. I tried to change this with Noma programmable thermostat model 52-2558-8 but everythings not working. This was the wiring for the original thermostat: O -> Orange R -> Red W2 -> White G -> Green C...
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We have programmed the thermostat and it always jumps back to another setting. Can you help.
Programmable noma thermostat
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I am changing a York thermostat to a Noma programmable. I have rewired transferring w to w, rc to rc, g to g, y to y . There is a wire jumper on the York that goes from rc to 4. There is no corresponding 4 on the Noma. Does anyone have a suggestion as to where the wire jumper should go if I... View more questions Search
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