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JimSpy 02-10-2019 09:42 PM

Dometic A/C in Thor Gemini
 
Can anyone tell me the model of Dometic air conditioning/heating control unit is installed in the Gemini? I need to look up the manual (which I did NOT get from the dealer):nonono:

Or, if you can simply tell me why, when I set it to HP (heat pump, I assume) it starts flashing between HP and FURN? I don't want FURN, I just want HP.:confused:

Thanks in advance.

safari 02-10-2019 10:58 PM

Quote:

Originally Posted by JimSpy (Post 167007)
Can anyone tell me the model of Dometic air conditioning/heating control unit is installed in the Gemini? I need to look up the manual (which I did NOT get from the dealer):nonono:

Or, if you can simply tell me why, when I set it to HP (heat pump, I assume) it starts flashing between HP and FURN? I don't want FURN, I just want HP.:confused:

Thanks in advance.

Go to Thors web site,then go to owners resource & put in vehicle vin # & it will give you info.
Best of luck.

vfrhugh 02-10-2019 10:59 PM

This might be helpful. Check against your specific model. Search the inter web for Dometiv CCC2

JimSpy 02-11-2019 08:31 PM

Quote:

Originally Posted by safari (Post 167019)
Go to Thors web site,then go to owners resource & put in vehicle vin # & it will give you info.
Best of luck.

Wowsers, thanks! I probably should have known about that a year ago when I bought the thing!

RDC54 02-11-2019 11:47 PM

Quote:

Originally Posted by JimSpy (Post 167178)
Wowsers, thanks! I probably should have known about that a year ago when I bought the thing!

If you don't mind sharing, I would be curious to know what you figure out on this one. I think I have a similar thermostat in my 2018 Compass, but have not seen my display do what yours is doing (yet:ermm:)

JimSpy 02-12-2019 01:59 AM

Quote:

Originally Posted by RDC54 (Post 167210)
If you don't mind sharing, I would be curious to know what you figure out on this one. I think I have a similar thermostat in my 2018 Compass, but have not seen my display do what yours is doing (yet:ermm:)

Well, if I'm reading it right, apparently it's supposed to do what it's doing.

First of all, my model # is 331-2024 (without humidifier). It's also called a CCC-2.

Next, I think this is the applicable section:

Auxiliary Heat (Heat Pump Models Only)
Auxiliary heat operation will be activated when the measured temperature of the outdoor
temperature sensor is less than 30 F. If the system is equipped with a furnace,
the control will select FURN heating mode for the auxiliary heat source. Auxiliary
heat operation, once initiated, will have priority over a heat pump defrost cycle.
Auxiliary heat operation will be de-activated and the heat pump operation will resume
when the temperature of the outdoor temperature sensor is higher than 35 F.



My thermostat display was alternating between HP and FURN when the temperature was below freezing. I think this indicates that I had set it to HP, but it was overriding my setting in favor of FURN. It went back to HP after the temperature warmed up.

My only concern with this was that I think FURN is using LPG, is it not? And I was low on LPG, so what happens if it runs out?

mountainsam 02-12-2019 05:28 AM

Quote:

Originally Posted by JimSpy (Post 167223)
My only concern with this was that I think FURN is using LPG, is it not? And I was low on LPG, so what happens if it runs out?

i have used my furnace on nights where the temp is around 35 or below. I set it at 40 degrees and it is a real miser on propane.


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