Community Forums

DrTEdwards · 01-04-2019, 01:23 PM

We have a 2019 Aria 3901. We are in AZ and must use the Heat Pump at night. We choose this option on the touch pad. When operating only on the Heat Pump, after a while the Furnace comes on. We do not want the Furnace to come on, but it does. We turn it off, then later when the Heat Pump comes on again, the same thing happens. We do not have the Furnace on, it is coming on by itself. We have checked in the settings, but cannot figure out how to make this stop. Does anyone know how to just use the Heat Pump?

WDW · 01-04-2019, 01:48 PM

I’m not familiar with your unit, but there are some units that are designed it when the temperature drops below a certain point that the main furnace kicks in because it has a better capacity to generate heat and heat pump does.

wildtoad · 01-04-2019, 02:01 PM

Sounds like the system is working as designed, perhaps not as desired. As above, most RV heat pumps that I’ve seen will operate as normal until the outside temperature drops to a factory set number, usually in the high 20’s. At this point the heat pump can’t produce enough or any heat. The system then switches to the furnace until the outside temp rises above the cutoff point. Your only other option is turn the system off when it switches to furnace.

gvette85 · 01-04-2019, 05:07 PM

On a recent trip to Branson Mo. the temps at night dropped into the teens.During the day in the 40's my heat pump ran fine but later in the evening,as the temp dropped, the furnace took over,so I agree it sounds like its functioning as designed.

MSHappyCampers · 01-05-2019, 10:48 AM

Hi !

Welcome to IRV2! We're sure glad you joined the gang!

Just noticed that you are kinda new on IRV2 and wanted to say hello!

Congrats on the new rig! As others have said, it is normal for the furnace to come on when the outside temp gets below the point where the heat pump can operate.

Have fun and keep her between the ditches!

Good luck, happy trails, and God bless!

Ray,IN · 01-07-2019, 09:24 PM

The Coleman-Mach basement heat pump says on the thermostat; "when inside temperature is 45° or below the LP furnace will(not may) operate". The heat pump also runs, but is only moving air. When outside temperature is low, humidity plays a large role in when/if the heat pump will function.

Cat · 01-07-2019, 09:36 PM

On my system if the inside temperature drops 5 degrees below what you have set the thermostat to the propane heater will come on to prevent your inside temperature dropping any lower. Also as said if the inside is 45 degrees the propane heater will come on.

Hooligan · 01-12-2019, 08:17 PM

If your mode selection on the thermostat is set to "AUTO" it will maintain temp with the heat pump 1st, then switch to furnace to maintain temp if heat pump cannot maintain temp within 2 deg of setting. If mode is set to "HP" it will only run heat pump. If not you may have problem with thermostat or "dip" switches.. Thermostat manual
http://www.primetimerv.com/download/...structions.pdf

mricet1005 · 01-12-2019, 08:30 PM

Quote:

Originally Posted by Hooligan

If your mode selection on the thermostat is set to "AUTO" it will maintain temp with the heat pump 1st, then switch to furnace to maintain temp if heat pump cannot maintain temp within 2 deg of setting. If mode is set to "HP" it will only run heat pump. If not you may have problem with thermostat or "dip" switches.. Thermostat manual

http://www.primetimerv.com/download/...structions.pdf

I don’t have an Aria, but mine operates as described in #7 by Cat. To get around this I use portable electric ceramic heaters when connected to shore power and temps will be above freezing. If below freezing I need to use my rear propane furnace so that the wet bay is heated to prevent plumbing freeze.