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Old 06-26-2021, 09:55 AM   #1
Roulotte
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Air Conditioning in Alpine 3640RL

I have 2 A/C units in my 5th Wheel Alpine 3640RL: one in the bedroom and one in living area. The one in the bedroom works fine, but the one in the living area just blows hot air (and I operate them separately as I don't have enough amps for both at the same time) - any idea what could be wrong? Thank you!
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Old 06-26-2021, 10:34 AM   #2
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A/C in Alpine 3640RL

I have 2 A/C units, one in bedroom and one in living area. The one in the bedroom works fine, but the one in living area just blows hot air (I am operating them separately as I don't have enough amps for both). Any ideas why living room just blows hot air or what to check?
Thank you
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Old 06-26-2021, 10:45 AM   #3
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Since the Alpine is a 50 amp feed HOW are you powering the FR A/C unit? Is the compressor running?

I take it you mean you are on 30 amps and just running one at a time...

Is this an In Command controlled Alpine or Dometic CCC2 dual zone thermostat?
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Old 06-26-2021, 10:48 AM   #4
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Since you are on 30 amp service and running one at a time is this an In Command Alpine or do you have the Dometic CCC2 dual zone thermostat?
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Old 06-26-2021, 10:51 AM   #5
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When we fired up the compressor it ran for a little while and then stopped but we were running both units and supplying power with a 10KW generator which only gives us under 40 amps, we realized we can therefore only run one at a time, which we've done, but the one in living room doesn't work. thanks for your help!
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Old 06-26-2021, 10:53 AM   #6
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We have the Dometic CCC2 dual zone thermostat
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Old 06-26-2021, 10:59 AM   #7
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Quote:
Originally Posted by Roulotte View Post
When we fired up the compressor it ran for a little while and then stopped but we were running both units and supplying power with a 10KW generator which only gives us under 40 amps, we realized we can therefore only run one at a time, which we've done, but the one in living room doesn't work. thanks for your help!
Where are you getting your information that a 10kw generator gives you "under 40 amps"?
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Old 06-26-2021, 10:59 AM   #8
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When you turn ZONE 1 to Cool and fan on Auto there is about a 2 minute delay for compressor to turn on.. You should see and "Hour Glass" symbol showing on the CCC2 display until you hear compressor kick in..

Does this occur? DO you see the hourglass? If yes but compressor doesn't kick on what Year Alpine?

I own a 2014 3010RE .. Rear A/C is 15K heatpump and BR is 13.5K...
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Old 06-26-2021, 11:03 AM   #9
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since the OP has Two seperate posts on same subject can we put the two together for simplicity?
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Old 06-26-2021, 11:05 AM   #10
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We do see the hourglass and it stays on and on then disappears and the compressor does not kick in. Wondering if we fried the startup capacitor or the relay connected to it...It's a 2011 Alpine 3640RL with bedroom in front. Very much appreciate your help.
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Old 06-26-2021, 11:07 AM   #11
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Absolutely, I'm completely new in this forum and don't know how to do that
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Old 06-26-2021, 11:08 AM   #12
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First the 10KW generator should easily run both A/C units at same time if fed from 50 amp outlet from the Gen to the Alpine...

IF YOU HAVE the SKILL SETS and a multi meter this is easy to test that start cap and verify if good or bad...

It may be a Start/Run cap combined for the compressor
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Old 06-26-2021, 11:10 AM   #13
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Correction: at 240 volts it will produce a little over 41 amps
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Old 06-26-2021, 11:17 AM   #14
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What I would try first is turn of BR A/C (Zone 2) and turn off LR A/C (Zone 1)..

Do a reset on the CCC2 and verify that is shows Zones 1 and 2 only

Doing the reset procedure will CLEAR any latched condition of the control module gateway relays...

Once reset and both zones appear correctly the start Zone 1 ONLY in Cool/Auto and observe.. If hour glass shows and disappears then its getting command to turn on the compressor on the CANBUS but most likely an issue with Start'/Run cap on Zone 1 A/C unit
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Old 06-26-2021, 11:17 AM   #15
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Definitely have the skill set to check the capacitor but will need to wait until this evening as we are in Chelan, WA and it's already 94F - headed to 105F so don't want to go up on roof! Again: we very much appreciate your advice and will post again and hopefully reconnect later on today. Thanks again!
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Old 06-26-2021, 11:18 AM   #16
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Let me know what occurred after your did the CCC2 reset
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Old 06-26-2021, 11:20 AM   #17
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Okay, thanks again, will try that later this afternoon. Stay cool!
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Old 06-26-2021, 11:21 AM   #18
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IF you don't know how to reset the CCC2 here is how..

https://rvseniormoments.files.wordpr...r_recovery.pdf

Also... when you get time go into your control panel settings on this website and update your info to show your RV brand, year, make.. it helps folks to respond with answers tailored to your RV better..

And welcome to a very good group of RV folks
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Old 06-27-2021, 06:07 AM   #19
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Just wondered if you had any luck identifying the issue with that compressor ??
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Old 06-27-2021, 09:45 PM   #20
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Hello,
We've been quite busy running errands in 100+ F weather and unfortunately, didn't have a chance to check compressor today (and it was too darn hot!). But are hoping to do so early tomorrow morning as it would be nice to have the Living area AC working (at least the bedroom one works). Thanks again for all your help, we will definitely let you know and/or ask for more advice tomorrow. Stay cool!
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