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Old 12-08-2010, 10:30 AM   #16
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Heat Pump Thermostat HELP!!!


Was told they are sequencers. Not likely to have messed them up. I tripped the circuit breaker back and forth a few times. Seemed to be working properly. Still not call for Aux heat. Was also told this was a 10kw unit that is 2 stage but calls for all ten kw at the same time. I guess that would explain both the white and Brown wires... They both end up at this heater but are jumped together at the unit.

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Old 12-08-2010, 11:13 AM   #17
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Heat Pump Thermostat HELP!!!


Still no secondary heat kicking in....
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Old 12-08-2010, 11:26 AM   #18
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Heat Pump Thermostat HELP!!!


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Wow the morbid death and decay!
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Old 12-08-2010, 01:49 PM   #19
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Heat Pump Thermostat HELP!!!


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Originally Posted by MichaelG
Are those transformers? Can I just swap it out?
That is a sequencer you can replace. Could you see the element inside
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Old 12-08-2010, 06:15 PM   #20
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Heat Pump Thermostat HELP!!!


Looks more like dead mice then transformers.

Follow the yellow wires. One will go to the power feed. The other to the strip heater, or its fusible link.
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Old 12-09-2010, 08:31 AM   #21
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Heat Pump Thermostat HELP!!!


Thank you all for the help! I broke down and got a service tech. Best $80 I ever spent. It was low on Freon and he fixed the secondary heat. My house is now a toasty 68 degrees. He did however let me know that my unit was a 2 ton and I really could use a 3 ton. 1500 sq ft and 14ft ceilings throughout about half of it.
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Old 12-09-2010, 08:39 AM   #22
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Heat Pump Thermostat HELP!!!


two guys electrocuted--shorted out system
after repairing this plug up the hole with something they won't eat!!
Not transformers-- limits and controls.
You need a professional at this point for quicker repair.
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Old 12-09-2010, 05:50 PM   #23
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Heat Pump Thermostat HELP!!!


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Originally Posted by MichaelG View Post
Thank you all for the help! I broke down and got a service tech. Best $80 I ever spent. It was low on Freon and he fixed the secondary heat. My house is now a toasty 68 degrees. He did however let me know that my unit was a 2 ton and I really could use a 3 ton. 1500 sq ft and 14ft ceilings throughout about half of it.
Doubt you need a 3 ton.

How well has it cooled in previous years.
How well has it heated in previous years.

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