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Old 09-10-2015, 08:02 AM   #1
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Dometic Brisk Air II problems?

3rd AC in under 2 years

The link above is my original thread with this issue. Thread was started in May 2014 just prior to me having an A/C replaced in June 2014 for the 2nd time leaving me with the 3rd unit on the camper in less than 2 years. Three months after that warranty replacement in June (09/2014 labor day weekend), we were already skeptical that the unit was again showing signs of failure, but I wasnt sure because it was a humid, muggy weekend and we had a lot of bodies going in and out of the camper for a good part of the one full day at the campsite.

I used the camper once in March of this year and once more in May and it was obvious that it was not cooling as it should be able to which I confirmed by measuring the temperature delta between return and register air.

Camper purchased NEW with original AC was 11/2012, first AC replaced 10/2013, second AC replaced 06/2014, 11/2014 marks 2 years from original date of purchase, Mar-May 2015 the third AC in this camper is already ineffective under any conditions.

I have been in contact with the RV manufacturer for advise, the local authorized Dometic dealer and of course Dometic. Of course, Dometic is the only one who denies any potential problem with the Dometic product.

Just this week, when I spoke with the local RV dealer who had been doing my previous replacements, I was informed that Dometic had indeed found a "problem". There was a bulletin out earlier this year on a certain percentage of BA II 15k units which covered a time period including all of 2013, 2014 and Jan Feb Mar 2015.

I feel like its reasonable for me to continue to ask Dometic to honor these units outside of their typical warranty protocol, considering the events that have happened. Not one of these units has lasted more than 6-9 months.

Any thoughts otherwise?

Thanks, Ray
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Old 09-10-2015, 08:05 AM   #2
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Any link to said bulletin?

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Old 09-10-2015, 08:14 AM   #3
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Below is the bulletin text that I copied from the site where I saw it, I saved just in case the page dissappeared, I think I stumbled onto it in an Airstream forum

*************************
Hi Folks,

I have just received a service bulletin from Dometic pertaining to their Brisk Air II roof A/C units.

Dear Valued Dometic RV Dealers,

At Dometic, we continually strive to provide you with the industry’s leading products and services and we are extremely proud of our more than 80-year history serving those enjoying a mobile lifestyle. We feel that direct communication is essential in maintaining your trust established over all these years, and thus wish to take a moment to bring you up to speed on a specific issue related to our Brisk Air II line of RV Air Conditioners.

Over the past few months, we have been working with select dealers to properly identify and diagnose a durability concern related to the evaporator coils in our Brisk Air II Air Conditioner line. This condition is not apparent on all but a select volume of the units produced since 2013 and has been covered under our warranty terms; however, the incident rate does exceed the durability and quality standards we maintain internally as well as the quality standard you have come to expect from us. As such, we would like to take a moment to clarify what the issue entails and just as importantly detail what we have done to ensure the root cause has been addressed:

Condition – Root Cause

On 3-5% of units produced with manufacture dates between 2013 and March 25th, 2015, we have discovered the supplier of evaporator coils for our Brisk Air II units had an intermittent process issue that yielded the potential for premature corrosion which could create a leak in the evaporator coil which would directly affect the cooling performance of the unit.
For the balance of the units produced during this time (95%+), the evaporator coils were manufactured properly utilizing that specified corrosion inhibiting process and thus are not subject to the issue.
This manufacturing process issue has been remedied for all units produced after March 25th, 2015.

Population Affected

Potential for condition on 3-5% of all Brisk Air II Units produced between 2013 and March 25th, 2015.


Population NOT Affected

95%+ of all Brisk Air II Units produced between 2013 and March 25th, 2015.
Brisk Air II Units produced after March 25th, 2015.
All other Dometic/Atwood lines of Air Conditioners including Penguin, HP, Coolcat, and Aircommand.

Essentially, they have identified a defect in the manufacturing process that relates to potential corrosion in the soldered joints of the evaporator section of certain Brisk Air II units made within the stated dates in the bulletin.

This defect leads directly to a potential leak of refrigerant and subsequent loss of cooling power within the unit. Since the blower motor, fan and compressor will still operate, the only way to tell if your unit has leaked refrigerant if to check the output temperature at the cold air exhaust and compare that reading to the ambient air temperature measured at the return air grill.

Both of these measurements are to be taken INSIDE the trailer with the unit running for at least 10-15 minutes. If you are not seeing an 18-22ºF drop in the measured temperature between the return air grill and the cold air exhaust (regardless of the temperature outside the trailer), you have probably experienced a refrigerant leak in the unit.

Any competent RV tech who is authorized by Dometic as a service center can then test the amperage draw of the compressor to provide the empirical data that Dometic will require to facilitate the replacement of the upper A/C unit.
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Old 09-10-2015, 08:25 AM   #4
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Technical Bulletin
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Old 09-10-2015, 02:47 PM   #5
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Thanks.

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Old 09-10-2015, 03:37 PM   #6
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And for what its worth, I will add that yesterday, after i got off of a call with Dometic and a contact at Palomino, I went out and took these measurements:

Outside temperature: ~85degrees
Inside temperature: 82 degrees (digital thermometer sitting on the stove directly below the return air grill)
Return air temp: 83-85
Output temperature: 75 degrees (virtually no change from start til after over 30 minutes of running, measured thru quick dump and registers, separately)
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Old 09-16-2015, 09:00 PM   #7
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RV center checked the air unit today:

After 20 minutes running
Ambient (outside): 96 degrees
Return air: 90 degrees
Output air: 83 degrees
Amps: <7
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Old 10-15-2015, 06:53 PM   #8
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I posted under the Sandpiper forum the same issue with my brand new 2016 Sandpiper 365 saqb. The 15k unit in the main area of the camper doesn't even begin to cool the camper off. When I visited the dealer there was a pile of them in the back of the shop. Had a Coleman on my TT that I just traded that blew ice cold. I am going back tomorrow to discuss with the dealer but am not really happy with it. There are several other post in various other forums pertaining to the Dometic Brisk Air II. ALL BAD!
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Old 10-15-2015, 06:58 PM   #9
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I've had a new one installed for about 3 weeks now, so far so good, blows 50 degrees or lower every time it runs
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Old 11-30-2015, 05:09 PM   #10
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First unit in my 2015 Cherokee Limited lasted for 6 months. Second and third lasted 3 months each. Going in to the dealer next week for unit number 4. I've priced it out to change from Dometic to a Coleman and it's $245. Thinking about doing that and getting rid of Dometic forever. Unfortunately I can't do that just yet with Christmas around the corner. Guess I'll see how long the new one lasts.
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