Replacement Coleman Mach AC on 2017 Keystone Avalanche

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Question:

I have a 2017 keystone Avalanche with Coleman Mach air conditioners. The main is a 15k and the bedroom is a 13.5k. I am looking at replacing both units, the main is going out and the bedroom seems to be not too far off. I was looking at the Furrion 18k chill cube with heat pump for the main. I was wondering if I could use a chill cube 18k for the bedroom as well, but I believe it is only a 15amp circuit, would it work? If not what would be a good alternative? Preferably a similar looking unit. Also, is there a thermostat for the chill cube with heat pump that could do ac, heat pump and furnace? Or would it be better to run the new unit off its own controller and the furnace from its own thermostat? Thank you for your time!

asked by: Tyler R

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Expert Reply:

Hey Tyler! The Chill Cube # FR97TQ will work great for the main AC replacement. The 15A circuit in the bedroom is cutting it close to the upper limit of what the unit draws. However, because it uses a variable speed compressor and slowly ramps up, it is able to operate within that range without the hard startup spikes like you see in older units.

Regarding the Chill Cube wall thermostat, there is one available. However, it has had a lot of furnace compatibility issues so there is no guarantee it will work with your setup. Since you were already asking about running the furnace off of its own thermostat I would play it safe and go that route.

The Chill Cube can run off of the remote and ADB controls, and the furnace will operate independently. You can use your existing thermostat if it isn't tied to the controller on the Coleman units. Otherwise you can add a simple thermostat like # DMC84RR.

expert reply by: Robin H

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Furrion Chill Cube
(click to enlarge)

Answer 1

Hey Arkadius, welcome back! Yes, the ducted version of the Chill Cube comes with a remote. However, you're going to need the complete system for a replacement. You can choose from the following based on color: -Furrion Chill Cube RV Air…

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Answer 2

Hi Aaron, welcome back! Since your Coleman-Mach is an old R410A unit you will have to replace the entire system. Everything switched to R32 refrigerant in 2025 because of the EPA regulations, and the new systems don't work with parts from old…

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Answer 3

Keegan, I completely understand wanting to get this right before ordering because replacing an AC is one thing, but finding out afterward that the thermostat will not play nicely with your furnace is a headache nobody wants to deal with. The main…

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Answer 4

Hi Scott; the Furrion Chill HE Replacement RV AC #FR62PV was originally designed to replace the AC unit on Coleman setups. However, it isn't always a fit. This comes with an adapter for 9-pin connectors. Even with that connector, it doesn't…

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Answer 5

Hi Travis, Good idea replacing your 13,500 Btu unit with a 15,000 Btu unit and I can tell you that you will not have any issue upgrading to the larger 15,000 Btu Advent. You can do so with either the Advent Air RV Air Conditioner - 15,000 Btu - Black…

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Answer 6

Hey Andrew! Yes, Furrion does have a Chill Cube model with a heat pump. This was actually just released for aftermarket sale. You will need a complete system to make the switch, new R32 units aren't backwards compatible with old R410A systems.…

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Answer 7

Hello Sam; that is a great question! I reached out to Furrion and you will be able to use the Furrion Chill Cube #FR69TD (white) or #FR49TD (black) with your furnace. However, the remote is not capable of operating the furnace at this time. Also, we…

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Answer 8

Hey Jon; I was actually just talking to Furrion about heat options for the Chill Cube yesterday (1/21/2025). At this time, the only way to have heat with this unit is through a furnace on a ducted setup. The Furrion Chill Cube RV AC w/ Air…

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Answer 9

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 10

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 11

Hey Neil. The 18,000 Btu Furrion Chill Cube RV Air Conditioner item #LC34DX fits a 14-1/4" x 14-1/4" cutout which is pretty standard on RV's. If you meant to write Dometic instead of domestic then yes it'll fit in your existing…

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Answer 12

Hey Matt, Furrion typically has 4 wires running to their thermostats and the Chill Cube Thermostat #LC74DX is no exception. The harness you see with the thermostat would plug into the Chill Cube's controller and has 4 wires to extra wire to to…

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Replacement Coleman Mach AC on 2017 Keystone Avalanche

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