I was exercising the generator the other day and to put a load on it I turn both heat pumps on. The rear one worked fine ( heat pump/air conditioner only no furnace interface ) but the front one wanted to switch to furnace. I thought there was a problem with it since the rear one worked. Now I am wondering if the outside temperature may have been to low for the front heat pump to turn on. Outside temperature was around 40 degrees. Initially the front HP attempted to cycle on but immediatly switched to furnace. What do you think? Am I ok?
When I exercise the gen set I set one heat pump for heat and the other for cold, after about ½ an hour I switch them around. Our heat pumps will work down to about 34° before they switch over to the furnace.
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2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft
Charter Lifetime GS Member, SKP, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '14 CR-V
agreed at around 40F my heat blows cold and the furnace kicks in, also if I try to raise the ambient temp by more than 4 degrees--that was on an 07 Sunova with 1 a/c. Haven't tried the new one yet
I think you are ok as well...My gas heat normally kicks in when it is in the 40's outside...another way to put a load on the genet is by running the hot start...I have a cover on my coach...so the hot exhaust coming out would create a call for the local FD :-)
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