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 > Dometic Adjustable Thermistor

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BUCKEYE707

Avon Park, Flordia

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Posted: 07/29/12 03:30am Link  |  Quote  |  Print  |  Notify Moderator

Has anyone ever heard of, or used one of these? While looking for info. on our Dometic Refrigerator I ran across this web site.

http://www.snip-the-tip.com/cgi-bin/articca.cgi

If it works like it says it will, it may really help with temperature control in the fridge.


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SCClockDr

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Posted: 07/29/12 07:24am Link  |  Quote  |  Print  |  Notify Moderator

Adding a potentiometer in series on one of the wires to the thermistor, will accomplish the same end. A 0-1K ohms would do the deed, possibly even a 0-500 ohms pot would provide a finer adjustment.

I installed a 0-10K pot and it is a bit touchy. (0-10% then I get an alarm that the sensor is dead.) Staying within the 10% range does bring the temp down and has eliminated high temps when in the 100ยบ range outdoors. We can now run on 3 vs 5.

I'll be replacing with a 0-500 ohm version this fall when camping is over.


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BUCKEYE707

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Posted: 07/29/12 07:35am Link  |  Quote  |  Print  |  Notify Moderator

I failed to add another source for a temperature control for the refrigerator. When you bring up the web site, scroll down to the accessory section.
This one just plugs in line. So would one be a better option than the other, or would both be a good idea.
Just would like to hear from someone that has used either one or both products to see how it worked for them.

http://www.dinosaurelectronics.com/Dom_boards.htm

joshuajim

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Posted: 07/29/12 08:21am Link  |  Quote  |  Print  |  Notify Moderator

I installed the S-T-T on my DM 2652 (no temperature control) and it works just as advertised. About a 10 minute job.

bob213

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Posted: 07/29/12 10:44am Link  |  Quote  |  Print  |  Notify Moderator

I have the second one that BUCKEYE707 suggested. It does help.
Thermistor adjuster..
Clicky

Old-Biscuit

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Posted: 07/29/12 01:33pm Link  |  Quote  |  Print  |  Notify Moderator

BUCKEYE707 wrote:

Has anyone ever heard of, or used one of these? While looking for info. on our Dometic Refrigerator I ran across this web site.

http://www.snip-the-tip.com/cgi-bin/articca.cgi

If it works like it says it will, it may really help with temperature control in the fridge.


That is a quick and easy way of 'replacing' a thermister that has gone bad. Don't have to try to snake/fish the wiring back thru fridge.


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Old-Biscuit

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Posted: 07/29/12 01:36pm Link  |  Quote  |  Print  |  Notify Moderator

BUCKEYE707 wrote:

I failed to add another source for a temperature control for the refrigerator. When you bring up the web site, scroll down to the accessory section.
This one just plugs in line. So would one be a better option than the other, or would both be a good idea.
Just would like to hear from someone that has used either one or both products to see how it worked for them.

http://www.dinosaurelectronics.com/Dom_boards.htm


Note the caveat in red on website.....will only work on 'fixed' temp control fridge.
If your fridge has temp control selection on eyebrow board (like 1 to 5) then it isn't for your fridge.

BUCKEYE707

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Posted: 08/03/12 04:13pm Link  |  Quote  |  Print  |  Notify Moderator

Old-Biscuit wrote:

BUCKEYE707 wrote:

I failed to add another source for a temperature control for the refrigerator. When you bring up the web site, scroll down to the accessory section.
This one just plugs in line. So would one be a better option than the other, or would both be a good idea.
Just would like to hear from someone that has used either one or both products to see how it worked for them.

http://www.dinosaurelectronics.com/Dom_boards.htm


Note the caveat in red on website.....will only work on 'fixed' temp control fridge.
If your fridge has temp control selection on eyebrow board (like 1 to 5) then it isn't for your fridge.


Just so you are aware, the temp control they are talking about is not the 1 thru 5 on the eyebrow board. I spoke with a tech at the company and was assured they are refering to a dial type temp control that is controlled from inside the fridge.

Raloma

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Posted: 08/04/12 01:40pm Link  |  Quote  |  Print  |  Notify Moderator

I've had one on my fridg. for about a year. It works well, I am very pleased with it.

BUCKEYE707

Avon Park, Flordia

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Posted: 08/11/12 10:08am Link  |  Quote  |  Print  |  Notify Moderator

After checking this web site and a couple of others for info, here is what we ending up doing to make or Dometic Fridge work to our satisfaction.
We have a Dometic Model DM2862, basically this is one that only runs on propane or elect. We were not happy with the way it kept things cold. I could get the temp. inside the fridge down to around 35 to 36 degrees (air temp) and 40-42 degrees substance (glass of water with a thermometer in it). And I did move the thermistor around up & down, but the lowest temp I could get was 35 degrees. Freezer is holding at -15 no matter what.
I contacted Dometic & the tech advised that any air temp inside the fridge of 43 degrees or less was acceptable. Maybe to them, but not us. So I did a search on the web & found two different places that sold a "thermistor adjuster & "thermistor repair kit".
"http://www.dinosaurelectronics.com/Dom_boards.htm I got the thermistor adjuster from them. Easy to install, just unplug the cord at the control board & plug the thermistor into their control box. Easy dial control.
Then, I got the "thermistor repair kit" from http://www.snip-the-tip.com/cgi-bin/articca.cgi This is another easy install, just cut off the tip on the existing thermistor and install their adjuster.
I contacted both Disnosaur electronics & Snip the Tip, and both assured me that their product would not harm the fridge in anyway. That it would just make it run more efficent.
I installed both products. I have let the fridge run for approx. 2 weeks and made several adjustments to lower the temp of the fridge. When I first started I gave the fridge 48 hours to adjust to the installed products. Temp. was 34 air, and 40 substance at the start. Now after several adjustments, the fridge air temp is 29 to 30 degrees and the substance temp is 34 degrees. After each adjustment I waited 24 hours to check the temp again. And the fridge has held that temp for the last 3 days.
There is room on the adjusters to go colder, but we are happy right where it is. I am not promoting the above products, this is just for info for any one else that may be interested. Also we are in central Florida, no shade where we are at, and it is in the mid to high 90's every day.
At last, cold milk on the cereal in the morning & a nice cold adult beverage in the evening.

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