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Regas Dometic A/C

Submitted: Sunday, Nov 08, 2009 at 19:19

Member - Bushpig

Hi all
Can anyone advise if you can regas roof mounted Dometic A/C?
Mine is not getting as cool as it could be.

Cheeers jack

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...and I, I took the road less travelled by and that has made all the difference.
ThreadID: 73623 Replies: 7
Views: 263 FollowUps: 1
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AnswerID: 390544   Submitted: Sunday, Nov 08, 2009 at 21:40

dbish replied:

HI Jack, Theonly time an A/C would need re gasing is if a pipe has fractured, which would need repairing. The answer is yes you should be able to get it regased. Wont be cheep though.
Reply 1 of 7
AnswerID: 390546   Submitted: Sunday, Nov 08, 2009 at 21:41

Member - Stuart P (WA) replied:

if its R12 probably no but there may still be some fridgies out there with some reclaim , if itsR22 ,R134a yes you will be able to regas it .
autosparky
Reply 2 of 7
FollowupID: 658331   Submitted: Sunday, Nov 08, 2009 at 21:48

Member - Effie C (NT) posted:

If it is still on R12 then it is possible to have it converted to R134A or just use a drop in replacement gas, either way if it needs "regassing" then it has to be repaired as previously stated it has a leak somewhere.

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FollowUp 1 of 1
AnswerID: 390547   Submitted: Sunday, Nov 08, 2009 at 21:55

Member - Stuart P (WA) replied:

R12 and R134a compressors are different , you may be able to use dupont MP52 OR 54 R134a is not good in an R12 compressor
autosparky
Reply 3 of 7
AnswerID: 390564   Submitted: Monday, Nov 09, 2009 at 07:55

Member Brian (Gold Coast) replied:

If it's an R12 unit, it must be ancient... ;-))

But if it is R12, then refrigerant SP34E is a "drop in" for R12 on coolrooms etc, so should be OK in the Dometic. Current regulations stipulate that the leak MUST be repaired, which can be difficult in small systems but nonetheless must be pursued.

It may not be a refrigerant issue at all, it may just need cleaning.... it would pay to get it serviced anyway.

Cheers

Brian



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I agree with what Fab72 said;
"Common sense will get us through....might be a slow trip but Australia's better seen at 80kmph rather than 120"
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AnswerID: 390570   Submitted: Monday, Nov 09, 2009 at 08:28

Member - Bushpig replied:

Thanks all. I have heard of pipes fracturing but we are not moving atathe moment and it was working well last week. Guess I'll go have it looked at.

Cheers and thanks
Jack

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...and I, I took the road less travelled by and that has made all the difference.
Reply 5 of 7
AnswerID: 390656   Submitted: Monday, Nov 09, 2009 at 19:22

bobsa replied:

Hi bushpig,
Not a problem getting it regassed, done it many a time.
If it is on R12, R409 is a replacement gas for it.
You can retrofit to R134a, but the system will need to be flushed out and the mineral oil in the compressor removed and replaced with synthetic.
I would have thought it would be on R22 which is not a problem to purchase at the moment.
Although it is being phased out.
The new air cond systems are now R410 which is the new standard.
This gas can not be use in an old system as it runs at very high pressures.
Regards Bob
Reply 6 of 7
AnswerID: 390696   Submitted: Monday, Nov 09, 2009 at 23:07

Motherhen replied:

Hi Jack - I have replied on the other forum. As yours is a recent van (i think), it is most likely a warranty issue.

Motherhen
Near the Stuart Highway NT
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