Question about Dometic Rooftop RV Air Conditioner

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Manual? Did you ever get your hands on a manual for the roof top unit to replace the fan? I need a manual too...for same reason.

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  • edcone Sep 08, 2008

    The outside fan on my Duo Therm model 57915.531 has not been used in a year and is frozen. I can not even turn it with a vice grip. What is the problem? with it and if I need to repalce the motor, where can I get one without paying an arm and a leg?

    Ed

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Why are you replacing fan, what was original problem? Make & Model?

Posted on Aug 16, 2008

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1 Answer

Unit vibrates bad and is not fan or fan motor on roof top


need to check squirrel cage on evaporator end of fan motor shaft.

Aug 19, 2015 | Heating & Cooling

1 Answer

Windows dont work


lost operators, manual.
sun roof, can be 3 things
fuse
jammed
motor. dead.
3 fuse boxes (iml looking on online fsm)
fuse box 3 contains, fuse 32 and 45.
fuse 32 runs , "IG2-SIG-15a)
roof, and
quote:
Radiator fan relay #1
Radiator fan relay #2
Radiator fan relay #3
A/C compressor relay
Seat heater switch (Driver side)
Seat heater switch (Passenger side)
Sliding roof unit
Blower motor relay
unqout


id bet it is not the fuse. see why? the blower, would be dead.
fuse 45: all is only S/R that is the label too.

this box is long and skinny
with 3 relays on left
and
2 fuse top
11 fuses, in horz middle.
10 fuses on bottom row. fuse 29 bottom right.
fuse 39 center right
and top 2 are 51 and 50 , left to right

Nov 26, 2013 | 1995 Jeep Grand Cherokee

2 Answers

Fan not blowing in coleman trs rv roof air


well check a few things first....have someone remove the cover and reach in with a hand and try to manually spin the blade...free spinning?....then tell the person below to click in the on postion while someone views from up top.....is it humming? or even trying to spin?....if not check the fuse on the RV that protects the A/C unit.....good?.....now replace the capacitor ( it the silver or gray can looking thing that the motor wires run to) only the correct size will work w/o causing further motor damage.

Jul 08, 2010 | Dometic Rooftop RV Air Conditioner

2 Answers

Roof Top air conditioner makes too much noise


Hello; Those roof tops can be noisy. Are you able to determine what is causing it? The fan? The A/C pump? Over tume, the vibration isolators that are rubber cushions the pump is mounted on, get weathered and hard and they no longer absorb the vibrations of the running pump. Those are easily chked and changed. The next point of excessive noise is the unit as a whole is tranmitting the combination of all the vibrating parts including its own housing. Here too we have a remedy. The roof unit has a seal between it and the camper roof around the hole it is fitted in. The seal is foam rubber and reasonably thick enougth to serve a purpose more than to seal out water and air. After and over time this seal ends up crushed from the weight of the a/c unit. Then the A/c unit comes in contact and is actually resting on yhe roof with what is now a very flat hard gaske. The roof unit is now vibrating the roof. This is as destructive as it is annoying. Ok? Now let's get rid of 80-90% of the noise. Check and replace compressor vibration isolator mounts. There are 4 bolts holding down the A/C unit. Sccess them from the inside by removing the ceiling trim and cover.There should be one on each corner. Bolts removed, one person push up on the unit and another on top lifting the unit. There are wires going to the unit and those may need to be disconnected. Clean the roof and the a/c where yhe seal goes.You can get a new seal from camping world or rv supply. Have your measurements, Unit make and model when you go.Assembly is just backtracking. On assembly, thinhs to pay attention to are:
Put the new seal on the A/C unit, not on the roof. It takes two people to ligft and set the unit back into the hole and center it in the hole. Don't slide it on the seal. lift it if it hs to be moved or the seal may roll over..
The wiring disconnected earlier must be dealt with and put in place for reconnecting.
Now start the bolts that hold the unit down.
Make sure-- Unit is centered
Wires can be reconnected
The four hold down bolts have their washers.
Someone go topside and verify the seal is properly in place. Measureing the for corners fo even height is one way to ck and looking under the unit is another. Now tighten the four bolts evenly. corner to cross corner. measuring again will help confirn its pulled down evenly. Pull it down no more than 1/4 to 5/16 of the seal thickness. Wire it up and put the trim and plastics back on and light it off. (run it and ck for noise and vibration. NOTE!!! The A/C unit cannot touch any solid part of the roof. Reason it was centered. Always ck the unit before each trip as you would any other psrts on the exterior of the camper. Good Luck Angie.

Sep 15, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

Replacing fan motor on a roof top unit, has a thru shaft and was sent both replacement fan blades, can not get the squirrel cage off the evaporator end, not enough room to get your hand in there. this is...


If I have both blades and double ended motor, I just use a hacksaw and snip and cut the old one out. If inaccessable you can probably hammer the shaft from the other end, I can't recall if this one has a belly band or not but normally you can tap the shaft right through the armature.

Jul 14, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

2001 vw cabrio convertible top won't go up or down


Am I correct in assuming that you have an electric roof? I recently saw in my manual that there is a hydraulic lift that you can access from the trunk of the car. It looks like it is on the left side wall close to the opening. The following is taken directly from the manual:
"If the power system is not operating properly you can still close the roof by hand. 1. Remove protective cover and open luggage compartment lid. 2. Turn screw on hydraulic pump counterclockwise until it stops. 3. Close the luggage compartment lid. 4. Swing the top forward by grabbing it with both hands, lift and push it forward. 5. Lock roof in place. 6. Turn the screw on hydraulic pump clockwise until it stops. Use the same procedure in reverse order to open the power roof manually."

May 03, 2009 | 2001 Volkswagen Cabrio

1 Answer

Trunk and hood manual latch won't work


That is not the problem the problem is your convertable roof is not closing properly to test this let someone press down on the roof lid and then try to open the trunk, To fix this let the roof lid open and let the roof come up until the back part stands up to let the roof lid close so that the roof hold is exposed look on the right hand side of the car (if your standing at the back) under the roof lid catch there is a small plastic buttun that the roof lid catch needs to pres down on, this tells the car that the roof lid is seucre and it is now safe to let open the trunk, All you have to do is set the tension on the cable for that roof lid catch and the problem is sorted.

Beamerguy

Sep 03, 2008 | 1997 BMW 328

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