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Old 01-30-2017, 03:47 PM   #1
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running Onan and compartment doors

As you all may or may not know, last year I purchased my first Onan and LOVE IT !
The question I have is do you all leave the compartment door OPEN or CLOSED while it is running ?

I was leaving it closed until my September trip to the races, when I walked around almost every camper with the onboard had the compartment door OPEN ???
so . .what do you all do ?

Joe
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Old 01-30-2017, 05:17 PM   #2
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Sorta defeats the purpose of a quiet genny doesn't it

The compartment is designed for a generator...
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Old 01-30-2017, 05:24 PM   #3
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I have been told that the cooling (air) is an issue. The airflow is designed for use with the cabinet door closed. I have heard some people open it for better cooling and that totally defeats the purpose.
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Old 01-30-2017, 06:12 PM   #4
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Quote:
Originally Posted by Ford truck guy View Post
As you all may or may not know, last year I purchased my first Onan and LOVE IT !
The question I have is do you all leave the compartment door OPEN or CLOSED while it is running ?

I was leaving it closed until my September trip to the races, when I walked around almost every camper with the onboard had the compartment door OPEN ???
so . .what do you all do ?

Joe
We leave the gen (Onan 6.5 KW) door closed when running the gen. No issues after four years.
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Old 01-30-2017, 06:33 PM   #5
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It doesn't matter if the door is open or closed. If you open the front of the generator, you definitely interrupt the airflow and it will overheat, but the cabinet door doesn't do anything really.

One word of caution, as I learned from mine - make sure the exhaust ports are covered in foil tape per the onan install manual. If not the heat that comes out through those can actually melt the cabinet door. I had to have mine replaced on the Montana because I neglected to cover those ports. This below is not my generator but shows the ports:



This is what it did to my door:

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Old 01-30-2017, 09:11 PM   #6
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Brad ,

So If I have that open hole, I need to close it with foil rape ? I will check when I get home, but do not remember seeing one ?
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Old 01-30-2017, 09:52 PM   #7
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If you need quiet, keep the coach's front door closed. Otherwise, I leave it open. Radiant heat is radiant heat. If I can dissipate any amount of heat, I'm going to do it...just makes me feel better inside. However, I've run it for long periods of time with the door closed without any ill effects. Of course, always, always keep the generator cover closed but you already know that.
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Old 01-30-2017, 11:39 PM   #8
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Brad ,

So If I have that open hole, I need to close it with foil rape ? I will check when I get home, but do not remember seeing one ?
Ya, there is one on the right side too. Those are optional ports to run the exhaust pipe out in different configurations if it doesn't go straight out the bottom. Onan install just uses aluminum tape like what you use on ducts.
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Old 01-31-2017, 12:09 AM   #9
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Ya, there is one on the right side too. Those are optional ports to run the exhaust pipe out in different configurations if it doesn't go straight out the bottom. Onan install just uses aluminum tape like what you use on ducts.
Ok Brad, just got home from the office and looked.. sure enough, on the lower front i have what's looks to be the same type of port... but cannot tell if it goes all the way into the generator, or if it is just the outer casing ?

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Old 01-31-2017, 04:54 AM   #10
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Hi Joe, it goes into the cavity Below the generator unless they taped it on the inside. You should be able to see light through it by looking up into the bottom of the gen.
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