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Heat Pump

Yahoo Message Number: 20066
On our 05 Allure we are not getting any heat form the Heat Pump on the front unit. Back one works fine. Has anyone else had this problem?

John and Merilee Flynn
05Allure 31143

02 Jeep Grand Cherokee

Re: Heat Pump

Reply #1 –
Yahoo Message Number: 20087
Similiar problem in my coach, 05 Allure 31176. My front unit would heat down to about 50 degrees but then quit heating. Ran ok, but no heat. Dometic folks replaced a thermostat in the unit and solved that one....the thermostat is an in line thermostat and is in the roof unit itself. Took them about 10 minutes or so...once they got on the roof...

Regards

Ray and Rue

054 Allure 31176

Quote from: tjf2000us
On our 05 Allure we are not getting any heat form the Heat Pump on

the

Re: Heat Pump

Reply #2 –
Yahoo Message Number: 20091
Remember folks, when it gets real cold, there is a certain temperature at which the heat pumps will not run.
Tom

04 Allure 30979

Re: Heat Pump

Reply #3 –
Yahoo Message Number: 20097
As per the Dometic thermostat instructions on my 05 Intrigue the heat pumps will operate down to 30 degrees and then the thermostat switches over to aux heat(the furnace or hydro hot). I don't know how efficient the heat pumps are at those low temperatures though.

Kevin

05 Intrigue
11886

--- truk4u truk4u@...> wrote:

Quote
Remember folks, when it gets real cold, there is a > certain temperature

at which the heat pumps will not run.
Tom

04 Allure 30979

Re: Heat Pump

Reply #4 –
Yahoo Message Number: 20098
Kevin, we are parked in Camp Verde, AZ. It's getting into the 20's at night and the 50's to 60's during the day. Our experience with the heat pumps is that they will start working effectively in the morning once the temperature has reached 40 with sun on the unit and 45 on overcast day. (I suspect it has to do with the warmth of the rooftop unit). Once we have had the heat pumps on all day, they will provide effective heat into the mid-30's. Once they cool down again it takes a return to the 40-45 temp before they work well.
This is about a week's experience so far.

Bob

'05 Intrigue Ovation #11872

Quote from: Kevin Holmes\[br\
]

Re: Heat Pump

Reply #5 –
Yahoo Message Number: 20102
The in line thermostat that I referenced in message 20087 is the one that controls the cut off point, which is around 30 degrees. Since it's located in the unit on the roof, it is affected by the sun..It's there to turn off the heat pump at that point so that the coils don't freeze up....

Regards

Ray and Rue
05 Allure 31176

Quote from: Bob Stephens
> > Kevin, we are parked in Camp Verde, AZ. It's getting into the 20's > at night and the 50's to 60's during the day. Our experience with > the heat pumps is that they will start working effectively in the > morning once the temperature has reached 40 with sun on the unit

and

Quote
45 on overcast day. (I suspect it has to do with the warmth of the > rooftop unit). Once we have had the heat pumps on all day, they > will provide effective heat into the mid-30's. Once they cool

down
 

Heat Pump

Reply #6 –
Yahoo Message Number: 84743
Blower motor went out in front ac/heat pump unit. Had the blower motor replaced and now ac works fine but compressor doesn't start in Heat Pump mode.

Any help appreciated.

Jerry

2003 Magna Haven w/tag #6190