| Dometic A/C run/start cap [message #329541] |
Wed, 28 February 2018 11:06  |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Anyone know the electrical specs on this goodie. A/C just hums now. Research indicates bad run/start cap. Need to replace it, so A/C will sing the song of cold air. Dometic Penguin II, 13.5.
Tom
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: Dometic A/C run/start cap [message #329547 is a reply to message #329541] |
Wed, 28 February 2018 12:21  |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
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Ought also to be available from abny of the net supply houses, or the heathen chinee. Google by capacity and voltage and see what you get.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Dometic A/C run/start cap [message #329550 is a reply to message #329547] |
Wed, 28 February 2018 15:30 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
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The origional capacitor has the values printed on it, remove and take it to
a rv repaire shop and get one.
On Wed, Feb 28, 2018 at 10:21 AM, Johnny Bridges via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Ought also to be available from abny of the net supply houses, or the
> heathen chinee. Google by capacity and voltage and see what you get.
>
> --johnny
> --
> 76 26' Eleganza(?) with beaucoup mods and add - ons.
> Braselton, Ga.
> "I forgive them all, save those who hurt the dogs. They must answer to me
> in hell" - ol Andy, paraphrased
>
>
> _______________________________________________
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--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
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jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Dometic A/C run/start cap [message #329591 is a reply to message #329550] |
Fri, 02 March 2018 19:38 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Temporary report.
Dometic part #3311883.000 is the hard start kit for Penguin models; 600xxx, 620xxx, 630xxx. The cap in the kit is 43 - 53 uF, 250 vac.
Size is 3 5/16 inch tall and 1 1/2 inch diameter, labeled CD60B. There are other items in the kit, namely a part called a relay. Actually not sure of it's electrical function. It has only one wire in and one wire out, and the case is isolated from ground.
This did not 'cure' my A/C, but the humm increased in volume. This kit appears to be installed on the 'run' side of the run/start cap.
Awaiting delivery of run/start combination based on one installed in the Penguin II. It's labeled specs are 40/15 uF, 370 vac. Labeled as CBB65a. This does not appear to be OEM.
I believe "CD60B and CBB65A" are physical package size for the component producers.
Tom
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: Dometic A/C run/start cap [message #329607 is a reply to message #329541] |
Sat, 03 March 2018 12:49 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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If you swap a long for a round, or vice versa, pick up a mount as well = a dollar or two.Hum with a new cap sounds like the motor is siezed or shorted. Can you spin it? And what does your ohmmeter read when ever thing is disconnected? (Draw a picture)
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: Dometic A/C run/start cap [message #329608 is a reply to message #329541] |
Sat, 03 March 2018 12:50 |
jhbridges
Messages: 8412
Registered: May 2011
Location: Braselton ga
Karma: -74
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And it's likely a time delay relay. But again you can likely chase maker/part number for it.
--johnny
Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: Dometic A/C run/start cap [message #329642 is a reply to message #329608] |
Sun, 04 March 2018 16:57 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Final report: Short version, We have a working A/C. Wife very happy.
Details: Replaced the already installed hard start kit with new one. No joy.
Ordered Chinese made new cap, installed same. Joy, Joy, Joy. A/C again.
Installed a 45/5 mfd round capacitor in place of the failed 40/15 mfd capacitor. Cost of the run/start cap was $10 on Amazon, with two day shipping. The new cap is slightly taller and slimmer than old cap. Easily fit into the space available. Used some shims to allow the original clamp to hold the new cap steady.
Tom
30 days to leave for Tucson.
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: [GMCnet] Dometic A/C run/start cap [message #329643 is a reply to message #329543] |
Sun, 04 March 2018 17:08 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Weather report for Tucson in April. Not much need for A/C. But, old Boy
Scout motto applies here. Be prepared. Happy wife is happy life. Good job.
Remember that the Dometic roof air has a 2 minute delay relay before
compressor starts. Fan runs when you switch it on, then, the looooong 2
minute wait, then, all hell breaks loose on the roof. Finally, Ahhhh, cool
air.. Compressor does quiet down some with continued use, but can never be
described as silent. Your idea of silent is someone else's idea of either
white noise or infernal racket.
Jim Hupy
Salem, Or
78 GMC ROYALE 403
On Mar 4, 2018 2:58 PM, "Thomas Phipps" wrote:
Final report: Short version, We have a working A/C. Wife very happy.
Details: Replaced the already installed hard start kit with new one. No joy.
Ordered Chinese made new cap, installed same. Joy, Joy, Joy. A/C again.
Installed a 45/5 mfd round capacitor in place of the failed 40/15 mfd
capacitor. Cost of the run/start cap was $10 on Amazon, with two day
shipping.
The new cap is slightly taller and slimmer than old cap. Easily fit into
the space available. Used some shims to allow the original clamp to hold the
new cap steady.
Tom
30 days to leave for Tucson.
--
2012 Phoenix Cruiser model 2552
KA4CSG
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| Re: Dometic A/C run/start cap [message #329644 is a reply to message #329642] |
Sun, 04 March 2018 17:59 |
roy1
Messages: 2126
Registered: July 2004
Location: Minden nevada
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If you replaced a 40/15 capacitor with a 40/5 your fan motor may suffer. The larger 45 mfd is fine for the compressor but the 5 mfd for the fan is a bit on the short side . If it were me I would add a 10 mfd capacitor in parallel with the 5 or disconnect the 5 mfd wire and place a 15 mfd from this wire and connect the other wire to the common. If you don't your fan motor will likely over heat when it is running after awhile.
Roy Keen
Minden,NV
76 X Glenbrook
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| Re: Dometic A/C run/start cap [message #329645 is a reply to message #329644] |
Sun, 04 March 2018 18:30 |
Hal StClair
Messages: 971
Registered: March 2013
Location: Rio Rancho NM
Karma: -12
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Not so sure you won't need A/C in Tucson Jim. Had 89 in Phoenix in January, close to the same temps usually. Hal
"I enjoy talking to you. Your mind appeals to me. It resembles my own mind, except you happen to be insane."
1977 Royale 101348,
1977 Royale 101586, Diesel powered,
1974 Eagle Bus 45',w/slideout,
Rio Rancho, NM
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| Re: [GMCnet] Dometic A/C run/start cap [message #329648 is a reply to message #329645] |
Sun, 04 March 2018 23:29 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Looking forward to some of that. 31° here this morning. High of kind of 48
or 49 today. Ready for some warmer climate. Arches in April looks pretty
good to me.
Jim Hupy
Salem, Or
On Mar 4, 2018 4:31 PM, "Hal StClair" wrote:
> Not so sure you won't need A/C in Tucson Jim. Had 89 in Phoenix in
> January, close to the same temps usually. Hal
> --
> 1977 Royale 101348,
>
> 1977 Royale 101586, Diesel powered,
>
> 1975 Eleganza II, 101230,
>
> 1974 Eagle Bus 45',w/slideout,
>
> Rio Rancho, NM
>
> _______________________________________________
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| Re: [GMCnet] Dometic A/C run/start cap [message #331063 is a reply to message #329648] |
Wed, 18 April 2018 08:43 |
tphipps
Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL
Karma: 9
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Senior Member |
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For all Dometic a/c units with beginning model numbers 64xxxxx, the correct service capacitor part number is 3314471.015. It is 40/15 mfd, 370 volts. Price in Tucson, Lazy Days RV was $32. Parts clerk was very helpful on both finding the correct part number and finding the last one in their parts warehouse.
Air conditioner runs as expected.
Tom
2012 Phoenix Cruiser model 2552
KA4CSG
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