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Does the Furrion Chill Cube Variable Speed Unit Require a 12V Connection?  

Updated 07/29/2026 | Published 07/22/2026

Question:

Do i need to have a 12 volt power source for this unit. Non ducted ADB with remote

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Expert Reply:

Hi Steve,

The Furrion Chill Cube Variable Speed RV AC System w/ ADB & Remote - 18K Btu - Non-Ducted - White - R32 Part # FR59TD doesn't require a 12V connection in addition to the 115V of shore power. If you're wanting to wire the unit to a wall thermostat in addition to the remote, the thermostat will require 12V power to power it.

Are you planning on running your Furrion AC off of shore power or batteries?

expert reply by:
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Claire H
Dan S. profile picture

Dan S.

7/29/2026

I only connected the 120 vac to both of the ChilCubes I installed. One Ducted, and one Non-Ducted I use the remote as the T stat. The only problems I have is that the old Dometic ducted AC shared a wall T stat with propane furnace and now has an Error msg E1 on it and furnace won’t work? We don’t camp in the winter so the fireplace heat is enough on cool days? Will eventually install a new T stat just for the furnace.

Claire H. profile picture
Etrailer Expert

Claire H.

7/29/2026

@DanS The Furrion Chill Cube thermostat isn't able to have the furnace wired into it, which is likely why you're having an error message. We usually recommend doing what you mentioned and installing a thermostat specifically for the furnace. The Dometic Digital Thermostat for Furnace Control part # DMC84RR is the thermostat we suggest for just that purpose.

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