The refrigerator @ 104 in the shade. - Page 2 - Escape Trailer Owners Community

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Old 07-13-2013, 10:41 AM   #11
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Originally Posted by Jubal View Post
Has anyone removed the freezer section ? If so does the removal increase the cooling ability ?
I don't think that would make any difference, but not certain. With using the cube filters like Dave is, it circulates the air to even out the temps anyway.
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Old 07-13-2013, 10:44 AM   #12
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I believe it increases capacity, not efficiency
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Old 07-13-2013, 12:02 PM   #13
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Old 07-13-2013, 12:44 PM   #14
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The tip about having the refrigerator side in the shade is absolutely true. Usually not possible when under tow, but should be considered when parked. Over on the CasitaForum, there's a thread where a member made a "shade" for the refrigerator vent. Riveted an awning rail to the top of the vent inspection door, ran the awning in the rail. The bottom of the awning was held up with PVC pipe in a pocket then legs against the body (with rubber protectors) and then bungied to the bottom of the trailer to hold it tight. Evidently it works well is easy to install and is completely removable for travel.

I know a shade works. I've camped in cow pastures where the ambient temp was right at 100 degrees. I flattened a box and with an extra lawn chair was able to shade the refrigerator vent inspection door. Temperature in the refrigerator then dropped to an acceptable level.
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Old 07-13-2013, 01:18 PM   #15
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Originally Posted by Jubal View Post
Has anyone removed the freezer section ? If so does the removal increase the cooling ability ?
What is the model number of the frig that is currently being used in the 19' TT ?
Yes it does increase efficiency and capacity! I tried it on a hot trip last month when boon-docking and had to reduce the setting from 5 to 3. When the temps run over 90 this is a good option. The best I could do when the freezer section was installed and the ambient temp was around 95 was 44 degrees and it went up quickly if I opened the refrigerator to get something. My non-fat milk spoiled at that temp. BTW, my refer is the RM8551.
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Old 07-13-2013, 01:43 PM   #16
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We put Otter Pops in the freezer, they are good even when a bit slushy and do not leak.
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Old 07-13-2013, 01:49 PM   #17
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An interesting thing I learned recently about the propane operation of my refrigerator;

I didn't feel that my refrigerator was performing well on propane when ambient temps went up over 80 degrees so I did a study and ran the refrigerator at home for several days, recording the temperature every few hours on 120VAC and then ran the same study on propane. I have digital temp monitoring sensors in the freezer and refrigerator sections Amazon.com: ACU_RITE Refrigerator/Freezer Wireless Digital Thermometer 00986: Kitchen & Dining so I didn't have to open the refrigerator to take readings.

The refrigerator cooled very well on 120VAC and not so well on propane.The only difference was the heat source; temperature applied by 120VAC heading strip or propane burner flame. I decided to check the propane pressure so I built a manometer and found the gas pressure to be low at 9 inH20. It should have been around 11.5. I then increased the gas pressure to slightly above 11.5 at the main regulator and continued the temp study on propane. The increase in gas pressure to where it should have been had a very positive effect on cooling and now the refrigerator runs almost as well on propane as 120VAC. Increasing the gas pressure about 25% increased the flame size and now more heat is generated. I visually inspected the flame and the color and size look great. Note: It is now also set at a safe setting, as recommended by the manufacturer.
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Old 07-13-2013, 01:55 PM   #18
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Quote:
Originally Posted by Donna D. View Post
The tip about having the refrigerator side in the shade is absolutely true. Usually not possible when under tow, but should be considered when parked. Over on the CasitaForum, there's a thread where a member made a "shade" for the refrigerator vent. Riveted an awning rail to the top of the vent inspection door, ran the awning in the rail. The bottom of the awning was held up with PVC pipe in a pocket then legs against the body (with rubber protectors) and then bungied to the bottom of the trailer to hold it tight. Evidently it works well is easy to install and is completely removable for travel.

I know a shade works. I've camped in cow pastures where the ambient temp was right at 100 degrees. I flattened a box and with an extra lawn chair was able to shade the refrigerator vent inspection door. Temperature in the refrigerator then dropped to an acceptable level.
I noticed that the inside of the fiberglass boxed-in-area behind my refrigerator in my Escape 19' is not insulated. When the sun bakes this area it must get very hot. Insulating this area well with something fireproof should help cooling based on Donna's information.
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Old 07-13-2013, 02:28 PM   #19
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Quote:
Originally Posted by hotfishtacos View Post

The refrigerator cooled very well on 120VAC and not so well on propane.The only difference was the heat source; temperature applied by 120VAC heading strip or propane burner flame. I decided to check the propane pressure so I built a manometer and found the gas pressure to be low at 9 inH20. It should have been around 11.5. I then increased the gas pressure to slightly above 11.5 at the main regulator and continued the temp study on propane. The increase in gas pressure to where it should have been had a very positive effect on cooling and now the refrigerator runs almost as well on propane as 120VAC.
I didn't have the benefit of real data, but I suspected the same with our fridge on the way home from CA. While at Lake Tahoe, I bought about six feet of vinyl tubing and made a water manometer to connect to a stove burner. I too discovered 9" of pressure and turned ours up to 11". I believe it helped, but again, I lack real numbers. In the midst of all this, I called Escape and confirmed 11" is correct as measured at a stove burner connection. This was with no propane flow. With the fridge on running on propane, the pressure dropped about 1/2" and I decided to leave it that way.
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Old 07-13-2013, 02:33 PM   #20
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I can't say I have completely solved the problem with my 5.0 cu ft, but it is a lot better after a number of modifications. In 90 degree plus temperatures I've been able to keep the refrigerator below 40 degrees and the freezer below 0.

I added a curved baffle at the top of the back side of the cooling section, added insulation everywhere I could, sealed the cooling section from the refrigerator with aluminum tape - in fact, I covered the entire rear of the Refrigerator with aluminum tape to reflect the heat away from the refrigerator. I added an interior fan (see my trailer modifications page for the fan). I also added a layer of aluminized bubble wrap to the inside of the freezer door.

I also added a fan behind the upper grill that I use when it gets over 95 degrees out. It doesn't help much below that.

All in all, a big improvement over what I had. With the addition of a furnace filter covering the lower outside grill and the additions to the rear section, I no longer have a problem with the gas flame blowing out while driving. While the filter alone helped, the additions helped more.

One additional note - Be careful depending on the refrigerator thermometer linked in Jim's #6 post. I purchased one, had it replaced by the manufacturer, and in both cases, it stops sending (or receiving) on at least one channel. Since it doesn't show any indication that the readout is frozen (pun intended), you can be surprised...
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