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Dometic Duo Therm Heat Pump [message #296257]

Fri, 26 February 2016 18:34

Paul Kirsch

Messages: 21
Registered: September 2015
Location: Tucson

Karma: 0

Junior Member

When I bought my 26' coach the PO generously included many spare parts - including a Dometic Duo Therm heat pump (model 630515.321). It is one of a pair previously installed in a Class A motorhome and was remotely controlled. Has anyone installed one of these in an GMC coach?

Tucson, AZ 1976 Glenbrook with MAC dash, Alcoa wheels, Patterson carb, headers and A&E awning.

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Re: Dometic Duo Therm Heat Pump [message #296272 is a reply to message #296257]

Fri, 26 February 2016 21:40

rcjordan

Messages: 1913
Registered: October 2012
Location: Elizabeth City, North Car...

Karma: 1

Senior Member

Some chatter about that model over at rv.net, Paul.
https://www.rv.net/forum/index.cfm/fuseaction/thread/tid/27910712.cfm

SOLD 77 Royale Coachmen Side Dry Bath
76 Birchaven Coachmen Side Wet Bath
76 Eleganza
Elizabeth City, NC

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Re: Dometic Duo Therm Heat Pump [message #296378 is a reply to message #296257]

Sun, 28 February 2016 20:45

Carl S.

Messages: 4186
Registered: January 2009
Location: Tucson, AZ.

Karma: 13

Senior Member

Paul Kirsch wrote on Fri, 26 February 2016 17:34

When I bought my 26' coach the PO generously included many spare parts - including a Dometic Duo Therm heat pump (model 630515.321). It is one of a pair previously installed in a Class A motorhome and was remotely controlled. Has anyone installed one of these in an GMC coach?

Paul,

I'm guessing that unit will be a fairly easy swap. The thermostat may be an issue since the old unit is cooling only and a heat pump will need to have heat settings on the T-stat too. As far as I know, most (all?) RV AC units fit a standard size 14" X 14" opening.

Carl Stouffer '75 ex Palm Beach Tucson, AZ. Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member

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Re: Dometic Duo Therm Heat Pump [message #296396 is a reply to message #296378]

Mon, 29 February 2016 08:27

Carl S.

Messages: 4186
Registered: January 2009
Location: Tucson, AZ.

Karma: 13

Senior Member

Paul,

Forget what I said about the thermostat. I must have had a little brain freeze last evening and after thinking about it, I realized the AC unit has it's own self contained controls and the thermostat should be part of the interior trim.

Will you and Cathy be at the Saguaro Jetset rally on the 10th - the 13th? Hopefully we'll see you there.

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Re: Dometic Duo Therm Heat Pump [message #296399 is a reply to message #296396]

Mon, 29 February 2016 09:14

Paul Kirsch

Messages: 21
Registered: September 2015
Location: Tucson

Karma: 0

Junior Member

Hi Carl,

I think you were right the first time. From some internet research, it appears this model is designed to be used in only ducted systems with a remote control/thermostat, as there is no interior panel P/N. (That is also consistent with what Scotty described.) I'll give Dometic a call to see if they have any suggestions/options.

Thanks!

PS: Cathy and I won't make the March ralley but will the April (assuming there is one?) - we were both too sick to attend Tombstone and were sad to miss it!

Tucson, AZ 1976 Glenbrook with MAC dash, Alcoa wheels, Patterson carb, headers and A&E awning.

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Re: Dometic Duo Therm Heat Pump [message #296407 is a reply to message #296399]

Mon, 29 February 2016 10:34

Carl S.

Messages: 4186
Registered: January 2009
Location: Tucson, AZ.

Karma: 13

Senior Member

Paul Kirsch wrote on Mon, 29 February 2016 08:14

Hi Carl,

I think you were right the first time. From some internet research, it appears this model is designed to be used in only ducted systems with a remote control/thermostat, as there is no interior panel P/N. (That is also consistent with what Scotty described.) I'll give Dometic a call to see if they have any suggestions/options.

Thanks!

PS: Cathy and I won't make the March rally but will the April (assuming there is one?) - we were both too sick to attend Tombstone and were sad to miss it!

We missed you guys too. It was a great rally. Hope you're feeling better.

I don't know whether there is going to be an April rally, we'll probably try to do something.

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