Question about Dometic Heating & Cooling

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We have just purchased a campervan with a Dometic B3000 Plus air conditioner. The temperature has been 27c & we have set the air conditioner to 20c & the room temperature will only come down to 24c. We have contacted the people who we bought the camper, but they reckon that we can't get the temperature any lower. I do not believe this. I thought that if you set the temp to 20c, it would cool the van down to 20c. regards Marie

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  • Dometic Master
  • 4,292 Answers

Check air box no warm can mix with cold

Posted on Sep 15, 2017

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 50 Answers

SOURCE: Danby Portable Air Conditioner DPAC120068 - room temperature

Maybe, the compressor isn't starting? I'd take it back to where you purchased it.

Posted on May 18, 2008

motor1258
  • 6674 Answers

SOURCE: dometic camper air conditioner

Remove the cover on unit on roof, and look for mudwasp nest on fan blades & clean them off & retry.

Posted on Jun 23, 2009

  • 1 Answer

SOURCE: Air conditioner constantly running, not cooling house

Ours was worse than yours. It was not frozen up, but it did need freon. The tech told us that the compressor coil (the unit in the attic) was leaking freon and that the unit would have to be replaced within a year, but adding freon dropped the temperature inside from the mid-80s to the mid-70s (on 100 degree days). It might go lower, but we don't set the thermostats below 76. We paid $80 for the service call plus another $197 for 3 lbs of freon (for our 4-ton unit). Total cost: $274. The quote to replace the system with a new 14 SEER unit is $7,000 -- but this will get us through the summer. Oh, be sure to replace your filters monthly and keep your condensor fins clean. Spray them down with a hose (even while the unit is running), make sure there are no leaves or other trash blocking them, and make sure you have 2 feet of clearance around the condensor. Putting plants or other objects right up against it will impede its operation. Good luck!

Posted on Jul 04, 2009

farfield
  • 462 Answers

SOURCE: My dometic RV rooftop air conditioner is leaking

Remove all covers and look down with them removed and see if the coil drain pan has a stopped up exit where the water drains out and into the rear of the AC unit.

If the unit is off level it could cause a draining problem too.

Posted on Jul 10, 2009

  • 52 Answers

SOURCE: Sunbeam Model No. SCK 14200 DR no cooling...

Un plug a/c from wall and remove the screws from the electrical compartment of the unit and locate the thermostat, remove the 2 wires of the thermostat and use ohms meter to check the part for continuity, if you dont have continuity with t-stat turned down below room temp., replace thermostat.Good luck.

Posted on Mar 07, 2010

Testimonial: "When I hold the thermostat in my hand the digital temperature goes up. Is that proof that it is working?"

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My dometic roof air works fine in the daytime but at night it shuts down and try to restart on and on others have said they replaced the stat and still the same problem,any other ideas


Change the automatic temperature detection settings. Many of these Dometic systems have an automatic indoor outdoor temperature gauge that determines when it shuts off. This is separate from the normal thermostat. When the outdoor temperature reaches close to the indoor set temperature the unit shuts off.

Jun 07, 2015 | Dometic Rooftop RV Air Conditioner

1 Answer

Not cooling


outside freeze sensor locking out operation

Jan 04, 2014 | Dometic Rooftop RV Air Conditioner

1 Answer

I have a dometic penguin ac rooftop unit. Model no. 630215.421. Fan blows Compressor does not kick on. Fan blows just no cold air. If put on auto and go up or down in temperature On the thermostat The fan...


Bad run capacitor or bad compressor. If you hear an occasional click from the compressor try a new run cap and then a hard start kit. Otherwise it's more economical to purchase a new unit.

Sep 25, 2013 | Dometic Rooftop RV Air Conditioner

1 Answer

I would like to know if my Honda 2kva generator will run my air con dometic roof top B3000


I dont think so as this will be too much for the generator which has only 2 KVA as capacity.
Though the rated power is 2 KVA it will be safe to use it only upto about 1.6KVA.
The AC will require a lot of current on start up than in running and so it might no be good to have it strained.

Sep 26, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

Setting temperature with the remote control


remove the front cover of the airconditioning unit, you will find a sensor bulb, (coppertube with a round tip) close to the coil. pull it away around an inch. either the sensor is taking the coils temp and not the air.

May 07, 2009 | Heating & Cooling

1 Answer

Mal functioning thermostat on duo therm model 620215


Ok;
Upgrade kit Part# 3307713.010
Price is 274.75 Plus shipping
Can be purchased from any Dometic dealer or I have an ad on this site. Coach Tech RV
Thanks for using Fixya
Jerry


Mar 29, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

Current required to run Dometic B3000


no it will not run from a generator that small i would suggest a 3.5KVA

Jan 13, 2009 | Dometic Rooftop RV Air Conditioner

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