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Old 09-12-2019, 12:38 AM   #71
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Originally Posted by Fleetwood13 View Post
Okay thanks all. Ivylog what do you mean the blower is dragging? Sorry I don't know. I assume it is in the enclosure to the right of the motor. Do you mean it is getting hung up on the enclosure?
I replaced both of my fan motors not because they failed but the bearings were worn and they made a bunch of racket. I payed less than $100 bucks for each of them including shipping and the run cap. Made by Fasco, D1092A I think.

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Old 09-12-2019, 03:47 PM   #72
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Thermistors operate on very low voltage - it's very important to have a good connection. I'd look at where it connects to your control board.

Tim and Delilah
2004 Alpine Coach, 400 Cummins ISL, 40'
Weatherford Texas
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Old 09-12-2019, 08:37 PM   #73
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I have checked connection to the controller in the ceiling. It all seems to be tight connections. May have to call Dometic back and see what they have to say. Just hit me, I might switch control boxes and see what happens. ??
2007 Bounder 38S diesel towing a 2006 Suburban 2500 4x4
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Old 09-13-2019, 10:37 PM   #74
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Originally Posted by Magredvet View Post
+1.................then there is that whole "China " thing....
Having replaced two out of three of my original Dometics in 3 years, I am resigned to the fact that I will be shelling out for another one soon.
Trouble is you can't replace a Penguin II with anything else, unless you change the plenum, which is more work than I care to undertake.
I also have a Dometic outside cooler, which is two years old, already the digital readout is gone, and I'm sure it's reaching the end of it's life, now that the warranty is up.
I'm probably going to be replacing my A/C units on my '94 Georgie Boy in the near future. You say changing the plenum is a lot of trouble. Does this apply to the older Penguin units as well or just the newer Penguin II's?
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Old 09-15-2019, 06:54 PM   #75
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How did you manage to lift those 135# units up to the roof??
--- Joe ---
2007 HR Endeavor 40SFT / 400 Cummalong / 1998 Jeep Cherokee TOAD
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Old 09-15-2019, 08:56 PM   #76
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Originally Posted by Stinger1968 View Post
How did you manage to lift those 135# units up to the roof??

I used a tractor with a front loader
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Old 09-19-2019, 05:30 AM   #77
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I want to replace my front roof A/C with a Coleman Mack Air 15K unit. Currently it has the original Dometic Penguin. It's a '94 Georgie Boy Cruise Air, 34' on a Spartan chassis. I know I will need the inside ceiling unit and wall mount thermostat. Can anyone tell me if the through-the-roof frame size is the same? Also, will the Coleman thermostat be compatible with with the existing gas furnace? How many wires does the Coleman thermostat require?
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Old 09-19-2019, 06:19 AM   #78
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I've had campers with A/C units for 35 years and have not had one fail that I was unable to easily repair yet. If you're replacing them something else is going on as has been suggested by other posters.

I would go to great lengths to avoid the newer R410 refrigerant units.

Radiators have coolant, A/C units have refrigerant.

2007 Monaco Signature Noble III 45' ISX 600HP
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air, air conditioner, quality, roof

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