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Old 07-21-2014, 08:33 AM   #1
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Rv fix refrigerator fan install/operation

I'm starting a new topic on just the fans. . As more folks install and use the fans hopefully we can get some good information on performance. What I'd like to know is the size of the frig, is the freezer removed and do you have the new baffle system or Texas fans Of course Temp and humidity the trailer is in. Those with home made fan installs please feel free to include your information. If there is other information folks would like please feel free to chime in.
I installed the fans last Wednesday in my 4.3 with freezer removed and no baffles. Started it around 10am on 3 running on a/c with fans on. Temps high 80's low 90's, trailer in full sun. Final check for day was around 9pm temp was 35 degrees and starting to ice. Turned fans off and temp to 2. Next morning temp 39 , loaded frig switched to propane turned fans on and left for the sante Fe national forest. I travel with propane on. Got in set up and cked frig was at 39 degrees. Camp ground is at 8300 feet temps high 70's to 80's. Over the weekend the frig worked great on 2 on propane. I turned the fans on and off as needed, trailer was in full sun. Temps in frig never got above 40 degrees. I'm pleased with the first test and can only compare it to a trip to Moab this spring with similar temps, had to run frig on 5 to keep it around 40 degrees. Was at a much higher altitude last weekend which also plays into performance. I had to open the outside cover to the hot water heater to keep it running.
I'm going to do more testing this week in the driveway using chilled water bottles. Going to be hot, temps high 90's and humid. Well humid for New Mexico.

Dave
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Old 07-21-2014, 11:29 AM   #2
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"I had to open the outside cover to the hot water heater to keep it running. "
Dave1 - trying to understand the water heater comment?

Thanks for starting this topic! Well done.
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Old 07-21-2014, 11:47 AM   #3
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"I had to open the outside cover to the hot water heater to keep it running. "
Dave1 - trying to understand the water heater comment?

Thanks for starting this topic! Well done.
Should not have included it. The water heater would not keep running longer than about 3-5 minutes. Cked manual it talked about needing to adjust air/gas mixture at altitude. By opening the cover it got enough air to keep running. Was making the point that altitude effects the operation of propane appliances. I hope it doesn't get us off the topic of the fans. My bad!!

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Old 07-21-2014, 11:57 AM   #4
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Interior fans ? If so which ones ?
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Old 07-21-2014, 12:16 PM   #5
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Interior fans ? If so which ones ?
These ones:

Fridgee-Fix for Dometic 8555/8551

Have been multiple threads on the topic.
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Old 07-21-2014, 08:26 PM   #6
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Should not have included it. The water heater would not keep running longer than about 3-5 minutes. Cked manual it talked about needing to adjust air/gas mixture at altitude. By opening the cover it got enough air to keep running. Was making the point that altitude effects the operation of propane appliances. I hope it doesn't get us off the topic of the fans. My bad!!

Dave
That is actually an interesting observation. IF the water heater is starved for 'air' does the refrigerator compensate for altitude in any way? My guess is 'no' so it may be affected too?

In our Alpenlite and Scamp trailers over the last 20+ years I have never noticed problems with the frig or water heater but they had quirks too. Many of my trips were to National Parks in WA, OR and ID so we stayed in hot and high environments. Picking up our '19 in August and I feel fortunate to have the this forum to understand the quirks of the Escapes before I learn the hard way!
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Old 07-21-2014, 08:42 PM   #7
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That is actually an interesting observation. IF the water heater is starved for 'air' does the refrigerator compensate for altitude in any way? My guess is 'no' so it may be affected too?

In our Alpenlite and Scamp trailers over the last 20+ years I have never noticed problems with the frig or water heater but they had quirks too. Many of my trips were to National Parks in WA, OR and ID so we stayed in hot and high environments. Picking up our '19 in August and I feel fortunate to have the this forum to understand the quirks of the Escapes before I learn the hard way!
From Norcold's website:

What effect will high altitude have on my refrigerator when it is running on propane gas?

Altitudes higher that 5500 feet above sea level may cause reduced cooling performance and may cause burner outages. Norcold recommends you operate the unit on AC when altitudes are higher than 5500 feet above seal level.
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Old 07-21-2014, 09:13 PM   #8
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From Norcold's website:

What effect will high altitude have on my refrigerator when it is running on propane gas?

Altitudes higher that 5500 feet above sea level may cause reduced cooling performance and may cause burner outages. Norcold recommends you operate the unit on AC when altitudes are higher than 5500 feet above seal level.
Oh no.... That compressor model looks more appealing daily. OK so now if we are above 5500 feet OR the temp is over 90 we should put a black bag on the trailer to heat water and find block ice to load in the refer...? Thankfully we have fiberglass .. That's something Grandma and Grandpa didn't have!

How can manufacturers sell products for trailers that don't work properly in the climate where they are marketed? There should be big red warning labels in the propane refrigerators, not for use in hot climates ?!
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Old 07-21-2014, 09:31 PM   #9
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Oh no.... That compressor model looks more appealing daily. OK so now if we are above 5500 feet OR the temp is over 90 we should put a black bag on the trailer to heat water and find block ice to load in the refer...? Thankfully we have fiberglass .. That's something Grandma and Grandpa didn't have!

How can manufacturers sell products for trailers that don't work properly in the climate where they are marketed? There should be big red warning labels in the propane refrigerators, not for use in hot climates ?!
It's not their fault. It's a limitation of the technology. RV buyers want a fridge that uses minimal energy, and will work with no hookups. Absorption is the best fit for those criteria. Solar may change that.
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Old 07-21-2014, 09:48 PM   #10
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If it is a limitation of the technology can an additional fan inside and outside (back) extend the operational temperature range? My point is IF it can,which I believe it will after talking to Mike about their FridgeFix, then it's not a limit of the technology.

Or is it a limitation of the technology when sold in the configuration they sell it in?

I guess that's the purpose of this thread?
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