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Old 10-05-2013, 09:42 AM   #11
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I had a problem with my front AC and had it replaced. Took a couple of hours. You need to unhook the central drain, the electric and telephone wire from the old AC and the hold down bolts. Once off, you will need to transfer the condensation 'catch cups' (not sure what they are really called) to the new AC. You can then install the new AC in the coach. The only thing you need make sure of is that the new AC will work with your current thermostat. If not, you may need to replace the control board in the new AC.
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Old 10-07-2013, 09:04 PM   #12
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Last year, my front 13.5 heat pump/ac was replaced on warranty. After suffering thru the heat of 2 13.5 units I decided to pay the difference and have a 15 installed. It did make a difference but to be completely honest, the biggest change came from the sheet of bubble foil insulation I cut for the front windshield.
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Old 10-08-2013, 08:19 AM   #13
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I am having a problem with noisy ac units and was curious if any of you had very loud units and did to upgrade help with air noise? I've been told that Dometic has a kit to help with noisy units and I'm looking into that also.
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Old 10-09-2013, 10:08 AM   #14
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Quote:
Originally Posted by RNuzzolo View Post
I am having a problem with noisy ac units and was curious if any of you had very loud units and did to upgrade help with air noise? I've been told that Dometic has a kit to help with noisy units and I'm looking into that also.
I've heard about dometic having a fix for older A/C's but mine are brand new and still very noisy. My coach came with 2 13.5's (by mistake) and they were noisy when the compressor came on and once I got the 2 15k's put on they too are very noisy when the compressor kicks on. My last coach had both A/C's up front and never noticed it but having one in the back bedroom, you notice it much more when sleeping. I leave the fan on high when we go to sleep and I seem to not wake up as much as when we left it in auto and you'd here it all turn on. Now you only here the comp turn on and it us not as drastic I guess..,
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Old 10-09-2013, 02:42 PM   #15
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I also have two 13.5 AC units. They have been loud since we bought the MH. After the roof was replaced I thought the sound was better but DW does not agree. To help we use a fan to push the air from room to room. We use the back when we are watching TV and the front when sleeping. We added a front windshield cover, awning over the windows and snap on sun covers on the slide windows. This all helps and have tested with temps up to 90. We just bought a small cheap fan but it pushes a lot of air.
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Old 10-21-2013, 09:59 PM   #16
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follow up on my original post.

I picked up the coach today after having the front Penguin II AC with Heat Pump moved to the rear and having a new Penguin II 15,000 high efficiency with Heat Pump installed in the front.

I tested the install with the outside air temperature at 71 and found that the new 15,000 Penguin II high efficiency with Heat Pump was putting out chilled air 41.9 at the air dump register --- 29.1 cooler than the outside air temp.

I also tested the rear Penguin II 13,500 with Heat Pump and it was putting out chilled air at 45.9 at the air dump register. 25.1 cooler than the outside air temp.

This supports the previous statement by JTN8 that the air feels colder from the 15,000 vs the 13,500.

Also I check the thermostat to make sure the heat pump was an option on both zones. It was and both units were putting heat out during the test. It looks like both units are doing what I had hoped. Now the next test will be in 85 + temps with sunny skies.
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Old 08-25-2014, 01:33 AM   #17
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I replaced my front unit with a 15. In my case the original unit was faulty coming from the factory. I still find the in really hot weather ... bot units are running all of the time and the cooling is not great. I cut a cover for the front windshield out if foil bubble wrap ... This made a big difference and the cost was only about 40 dollars.

Tim
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Old 09-15-2014, 01:52 PM   #18
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Who sells the foil bubble material in large sheets?
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Old 09-15-2014, 02:13 PM   #19
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Quote:
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Who sells the foil bubble material in large sheets?

Lowe's has them in rolls.
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Old 09-15-2014, 04:24 PM   #20
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Quote:
Originally Posted by 62_inrightlane View Post
follow up on my original post.

I picked up the coach today after having the front Penguin II AC with Heat Pump moved to the rear and having a new Penguin II 15,000 high efficiency with Heat Pump installed in the front.

I tested the install with the outside air temperature at 71 and found that the new 15,000 Penguin II high efficiency with Heat Pump was putting out chilled air 41.9 at the air dump register --- 29.1 cooler than the outside air temp.

I also tested the rear Penguin II 13,500 with Heat Pump and it was putting out chilled air at 45.9 at the air dump register. 25.1 cooler than the outside air temp.

This supports the previous statement by JTN8 that the air feels colder from the 15,000 vs the 13,500.

Also I check the thermostat to make sure the heat pump was an option on both zones. It was and both units were putting heat out during the test. It looks like both units are doing what I had hoped. Now the next test will be in 85 + temps with sunny skies.
Update:

Since the post above the 13.5 unit that I had moved to the rear failed and had to be replaced in June 2014. I went ahead and replaced it with the same 15,000 Penguin II high efficiency unit as I had installed in the front. The coach now has 2 - 15,000 Penguin II high efficiency with Heat Pump. Wow this was the difference maker! We use a small fan to move some of the cool air from the rear to the front.

Michigan had a cool summer and it never got to 90 where we were at. I was never able to test the units in hot weather until we stopped in GA to visit with our kids. I can say that setting in the full sun with outside temps in the mid 90's I was able to keep the inside of the coach a very cool 74. The rear unit did cycle on and off but the front unit ran constantly while the sun was out and the temp was above 90 Also did not put on the outside sun screens which would have provided additional help keeping the inside cool if I had.
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