23 Globetrotter Heat Zone Issue

[SusanEL]

We have 2 zones on our 23 Globetrotter for our AC and gas heat. Zone 1 is the bedroom and 2 is the living area. When using the AC, we can select a zone and temp and the AC will work for that zone. With the gas heat, if we select Zone 2 the heat comes out of the 2 vents in the living area. If we select Zone 1, the heat comes out of the 2 vents in the living area and the one vent in the bedroom. Zone 1 will not control just the bedroom vent, like the AC. Is this normal operation? If not, anybody know what’s wrong? Thanks!

[GOUSC]

Not sure if this will work but, make sure the fan is set for “auto” for zone 1 and zone 2 and see if that makes a difference.

[AgBullet]

Hmm. General rule of thumb for a 2 zone system is, zone 2 is the ONLY zone that will power and control (thermostat) the gas heat. Your A/Cs will work independently as will the Heat Pump when engaged, but if you want to operate your propane furnace, only Zone 2 will do that. When you engage gas heat, you should get flow from the floor vents in the front and rear of your rig. This was true in our '19 FC 27, and is true in our '23 GT 27.

[GOUSC]

Originally Posted by AgBullet

Hmm. General rule of thumb for a 2 zone system is, zone 2 is the ONLY zone that will power and control (thermostat) the gas heat. Your A/Cs will work independently as will the Heat Pump when engaged, but if you want to operate your propane furnace, only Zone 2 will do that. When you engage gas heat, you should get flow from the floor vents in the front and rear of your rig. This was true in our '19 FC 27, and is true in our '23 GT 27.

The above is correct and this is also the way our 27’ Globetrotter works. I missed the fact that you were using the propane for heat.

On the heat pump side I believe you can have heating issues if the fan is not in the auto mode for both zones.

[SusanEL]

Thanks. What you describe makes infinitely more sense but it didn’t seem to be the way the propane heat is working. I’ll switch to Zone 2 from now on and deal with the apparent anomaly when we get back to our dealer in a couple of weeks. It’s pretty cold on the road in southern Texas right now.

[Deholden]

We have a 2024 Globetrotter 25fbt with the two Coleman AC units. We have found that the thermostat for these units is not very intuitive and has been a sense of frustration with this new trailer. Our first trip out we had to call our dealer to help us try to determine why the unit was not functioning correctly. There was some confusion on the zones as perhaps it was wired wrong. I recently looked at a 2025 globetrotter and it appears they are now using the GE units. I actually have been considering changing the thermostat to the micro air as it seems that most folks prefer it versus the Coleman. I have an appointment coming up at JC in March and have on my list for them to check the Coleman unit first to make sure it is wired correctly and then perhaps I will then change it if it’s determined that it’s correct just hard to navigate! Any thoughts on the Micro Air?

[AgBullet]

Originally Posted by Deholden

We have a 2024 Globetrotter 25fbt with the two Coleman AC units. We have found that the thermostat for these units is not very intuitive and has been a sense of frustration with this new trailer. Our first trip out we had to call our dealer to help us try to determine why the unit was not functioning correctly. There was some confusion on the zones as perhaps it was wired wrong. I recently looked at a 2025 globetrotter and it appears they are now using the GE units. I actually have been considering changing the thermostat to the micro air as it seems that most folks prefer it versus the Coleman. I have an appointment coming up at JC in March and have on my list for them to check the Coleman unit first to make sure it is wired correctly and then perhaps I will then change it if it’s determined that it’s correct just hard to navigate! Any thoughts on the Micro Air?

Not a fan of the Coleman thermostat, but after two years, I will say the A/C and heat pump do their job well. I have considered the MicroAir thermostat myself, and if you do install one, I'd be very interested to know if it's an improvement.