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10-19-2017, 07:10 AM
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#1
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Senior Member
Monaco Owners Club
Join Date: Dec 2010
Location: Kamloops, BC. Canada
Posts: 985
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Totally confused about AC
Have been trying to replace my AC units on the coach.
I have Dometic duo-therm with heat pumps.
Dometic says they DO NOT make 13,500 units with heat pumps.
People are saying they are buying the Penguin 11 with heat pumps.
Dometic says these are heat strips.
Can someone clarify for me.
I do not want heat strips
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10-19-2017, 07:26 AM
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#2
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Jun 2013
Location: 5 miles south of Lakeville, Mn
Posts: 3,046
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Just taking a WAG at it but a heat pump is generally in the basement area of a coach. If these are roof airs they probably are heat strips. We do have a heat pump in ours and it works well.
__________________
Jim and Carol Cooper with Oreo the Kitty
FAA ATC ret, VFW, AL, VVA, NRA
US Army Aviation, MACV Vietnam 65-66
2012 Journey 36M, Cummings 360hp
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10-19-2017, 07:37 AM
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#3
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Senior Member
Join Date: Jun 2016
Location: SW Louisiana
Posts: 8,824
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Dometic shows at least 1 13,500 heat pump model on their web page https://www.dometic.com/en-us/us/pro...uin-ii-_-20772
this is a low profile model, but I know I saw higher profile units a couple of months ago
__________________
2002 Safari Trek 2830 on P32 Chassis with 8.1L w/ 400 watts solar 420Ah LiFePo4
2017 Jeep Cherokee Overland & 2007 Toyota Yaris TOADs with Even Brake,
Demco Commander tow bar and Blue Ox / Roadmaster base plates
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10-19-2017, 07:37 AM
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#4
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Senior Member
Monaco Owners Club
Join Date: Nov 2015
Posts: 2,281
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15k roof Dometic units can have heat pumps included. It just makes them run backwards. I would suggest going with the 15k units and have the added benefit of more A/C
__________________
Steven & Laurie
2006 Moncaco Executive Ranier
Detrioit Series 60 (515HP), Allison 4000 series
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10-19-2017, 07:49 AM
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#5
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Administrator in Memoriam
Newmar Owners Club Retired Fire Service RVer's Spartan Chassis
Join Date: May 2000
Location: Newark, DE
Posts: 25,898
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I believe Winnebago is/was the only manufacturer with heat pumps in the basement.
I had 15k AC/heatpumps on the roof of my Dutch Star.
__________________
Adios, Dirk - '84 Real Lite Truck Camper, '86 Wilderness Cimarron TT, previously 4 years as a fulltimer in a '07 DSDP
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10-19-2017, 09:31 AM
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#6
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Senior Member/RVM #90
Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 54,578
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I have 13,500 Dometic Penguin II heat pumps on the MH. I am in the process of replacing the front unit with a 15K Dometic Penguin II heat pump. You obviously got someone at Dometic that didn't know what they were talking about.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
__________________
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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10-19-2017, 09:38 AM
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#7
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by Cooperhawk
Just taking a WAG at it but a heat pump is generally in the basement area of a coach. If these are roof airs they probably are heat strips. We do have a heat pump in ours and it works well.
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We've had three DP's with roof mounted heat pumps, and no DP's with basement mount ones.
Most RV heat pumps are roof mounted.
BTW: 12,000 btu of cooling equals 1 ton of cooling when equaring to home units. My rig has 3 15,000 btu heat pumps so about 3 3/4 tons of cooling.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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10-19-2017, 09:45 AM
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#8
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Senior Member
Damon Owners Club Workhorse Chassis Owner
Join Date: Mar 2009
Posts: 24,024
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Just a suggestion.. Go with 15000 btu instead of 13,500. Not much difference in price In many cases they won't draw more power than what they replace.. but as the world warms. you are going to love the extra BTUs. I know I do.
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Home is where I park it!
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10-19-2017, 12:21 PM
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#9
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Senior Member
Join Date: Jun 2016
Location: SW Louisiana
Posts: 8,824
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One other advantage of a 15,000 btu Dometic over the 13,500 is that the 15,000 will heat down to a lower temperature (about 28F vs 37F on the 13,500) as the 15,000 btu models have a defrost cycle that is missing from the 13,500. Though performance is significantly reduced below 37F.
__________________
2002 Safari Trek 2830 on P32 Chassis with 8.1L w/ 400 watts solar 420Ah LiFePo4
2017 Jeep Cherokee Overland & 2007 Toyota Yaris TOADs with Even Brake,
Demco Commander tow bar and Blue Ox / Roadmaster base plates
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10-19-2017, 01:32 PM
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#10
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Senior Member
Monaco Owners Club
Join Date: Dec 2010
Location: Kamloops, BC. Canada
Posts: 985
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We use the Aquahot for heat, but just in case the AH has a problem
on a cold morning, we would like to stay with a heat pump.
After I received the letter from Dometic, I called them.
They did a reversal and said they do have the Penguin 11
that has the heat pump.
Since we are replacing our stock units, we will also need to
change the five button thermostat to a newer one.
We have now ordered the penquin 11 models and will have them installed
next Tuesday.
Thanks for the replies.
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10-19-2017, 03:32 PM
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#11
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Senior Member
Monaco Owners Club Grand Design Owners Club
Join Date: Aug 2016
Posts: 250
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I wish I had responded earlier, because I was sure I had what you were told didn't exist. I knew only because the covers are hard to find, and even harder to find in black. Happens to be in an '02 Monaco, likely set up much like yours.
Please post what you do with the thermostat....I would be interested in the benefits of a newer model.
__________________
2002 Monaco Executive
Cummins 500ISM (11L)
Castle Rock, CO
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11-03-2017, 02:39 PM
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#12
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Senior Member
Monaco Owners Club
Join Date: Dec 2010
Location: Kamloops, BC. Canada
Posts: 985
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Got both front and rear AC's replaced with the Penquin 11's with heat pumps.
Sittiing on the Gulf Coast in humid heat.
We had to replace the control unit also.
We have Aquahot for heat and have three thermostat, bedroom, bath, and front.
We can set the temp. in each and the temp is controlled in each area.
The control for the AC is placed in the kitchen area of the coach.
I set both AC zones at 70. The back dropped down to 68 while the front of the coach was 74. Dawned on me that there is only one thermostat. Had to set the back AC to 73 and the front to 70.
Just wondering why there is not a thermostat in each zone that would work with the master control unit.
Pros....the fans are quieter. lot less condensation.
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11-04-2017, 07:39 PM
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#13
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Member
Join Date: Jan 2012
Posts: 40
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Thermostat control
LuckyD,
For temperature control monitoring, there is a thermal sensor mounted in the coach wall. It will look like a half golf ball or a cat eye shaped sensor.
It feeds back to the thermostat to let it know what the second zone temperature is.
I don't know how Aqua hot monitors their zones, but the process would be similar.
Be aware that furniture placement, room fans, open windows, vents, etc, can affect the accuracy of the thermisters.
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11-05-2017, 07:13 AM
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#14
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Senior Member
Monaco Owners Club
Join Date: Dec 2010
Location: Kamloops, BC. Canada
Posts: 985
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Not sure what coach you are talking about but mine does not have
these sensors.
My last coach (Pace Arrow gas model) had one sensor in the LR and
one in the bedroom.
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