Troubleshooting an ACMHD Heat Strip in a AC135SP A/C Unit

Question

Question:

My RV has an Advent AC135 AC135SP non-ducted A/C unit. I purchased a ACMHD heating element and installed it in my unit. Installation was very simple. A few screws to mount it inside the unit and plug it in to the connecter for the heating element. However, every time I turn the switch on the unit to heat, it trips my breaker for the A/C unit. The A/C still works fine. I checked the element for a short but its not shorted. It measures around 100 ohms. Is the ACMHD the wrong element for the AC135?

asked by: Greg

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Expert Reply:

First of all I can confirm that the Electric Heat Strip for Advent Air RV Air Conditioners - 5,500 BTU item # ACMHD is the correct unit for the Advent Air RV Air Conditioner - 13,500 Btu - White item # ACM135. It sounds like your A/C unit is pulling to much power or has a fault somewhere in the wiring. I recommend looking for any faults in your wiring and check for lose connections. You could also have a bad breaker that needs to be replaced.

expert reply by: Jerred H

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Answer 1

If you're not getting any heat from your Advent Air RV Air Conditioner #ACM150CH, I suggest loosening the screws on the side to access the components of the unit. Then, turn the heat setting on and see if the heat strip is getting hot. I…

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Answer 2

Hi Robert, If you're just wanting to replace the condenser unit on the rooftop and retain use of your current air distribution box and thermostat then you'll just need to determine what style connector your current unit has. If you remove the…

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Answer 3

Thanks for the pictures! To replace your old Dometic Duo-Therm 641516 units you will want the Advent Air Replacement RV Air Conditioner for Dometic Setup w/ Start Capacitor item #ACDOM150 for white, or item #ACDOM150B for black. These will plug…

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Answer 4

The Carrier Air V RV Air Conditioner is no longer produced so a direct replacement of the same unit is not an option. However, we do have available the two Advent AC models that are designed as replacement units for the Carrier Air V. I recommend…

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Answer 5

Hello Tim. We can definitely set you up with a complete AC system with an Advent low profile unit. We currently do not offer these parts as a package, but you can purchase all of the exact same components separately. To answer your question, yes, the…

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Answer 6

We do offer a direct replacement for the Dometic Duo-Therm RV Air Conditioner. The Advent Air RV Air Conditioner part #ACM135 for 13.5K or part #ACM150 for 15K is what I recommend. This unit will be a plug and play fit and it will work with your…

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Answer 7

I have the perfect solution for you, Chris! The 13.5K Btu Advent Air Low Profile RV Air Conditioner for Dometic Setup with a Start Capacitor is a great replacement as it has the same output rating of your current AC unit, it has a plug to plug right…

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Answer 8

The Advent AC unit part #ACDOM150 will work great as a replacement for a Dometic Duo Therm unit like you have. We had a customer come back and tell us how well this worked as a replacement for a Duo Therm and that no modifications were needed.

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Answer 9

For the front legs of a Lippert Ground Control 3.0 kit the replacement front jack leg solution you'd need is the part #LC362485. This will allow you to reuse your current motor and bracket. There isn't a gear replacement kit for the jack…

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Answer 10

I can give you the best option for a replacement for your Dometic Duo-Therm, but don't have the ability to reference model or serial numbers. Instead, you will simply need to check out to see if the connector on your AC is a 6-pin connector (see…

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Answer 11

The Dometic RV Water Heater - Gas - Automatic Pilot - 12 Volt - 8,800 Btu - 6 Gal Tank Item AT96121 is the direct replacement for the GC6AA-10E. Unfortunately it is out of stock with no expected restock date. Instead I recommend the Furrion RV…

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Answer 12

For your 28' enclosed trailer I recommend the Furrion Chill HE RV Air Conditioner System - Single Zone - 15,000 Btu - Black #FR23PV. If the ceiling of the trailer isn't too high and you can reach the air distribution box and don't want to…

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