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Old 07-09-2009, 04:14 AM   #29
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Originally Posted by Jaxon View Post
Same temps here in Austin, Okie... We just changed out our Dometic 13.5 for a Carrier 15, low profile. Made a significant difference. Back in the clover...

Anybody want to buy a used Dometic 13.5 A/C with heat strip? Needs a circuit board but other than that, works great for under 100 degree temps...

Hi Jaxon,
What temps are you seeing inside your trailer after the new a/c was installed ? Also do you have a drain pan for the water runoff or is it not required ? Thanks
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Old 07-09-2009, 04:56 AM   #30
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Has anyone tried cleaning their cooling coils? I cleaned mine last weekend and got a large amount of black material out. Looked like mildew, came out in chunks. Prior to cleaning, coils appeared to be clean from the outside looking in. I used an AC Coil cleaner from True Value, I am sure any hardware store would have some type. Comes with a pump sprayer handle. Spray in the coils let stand 8 to 10 minutes then spray out with garden hose.

Temps here have been cool and I have not put it to the test yet. Plan to clean one more time when I get it home.

dale
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Old 07-09-2009, 07:12 AM   #31
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Quote:
Originally Posted by Davis View Post
Hi Jaxon,
What temps are you seeing inside your trailer after the new a/c was installed ? Also do you have a drain pan for the water runoff or is it not required ? Thanks
Davis, the Carrier is using the same line as the Dometic for condensation drain. Haven't checked the temp inside yet... I can tell you the interior is cooler is less time - the oscillating vents do help distribute the cool air more quickly. Besides the increased capacity of the Carrier 15k, it's also new so that may be a factor... the dometic was less than 4 years old & in good condition, wouldn't think it'd make that much of a difference...

Yesterday was 105 here in Austin... that puts the heat index close to 110 with the humidity we're having.
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Old 07-09-2009, 10:08 AM   #32
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Hmmm Good Thread

I've got a 2006 25 FB with the 15K unit - and in hot, sticky, humid Virginia Beach it keeps me very comfortable on even the hottest day. I rarely use my awning because I still work and I don't want to leave it open and risk having a sudden storm come along and destroy it when I'm away from the campground.

I never thought about cleaning the coils - but it's obviously something that should fall under periodic maintenance. I am assuming that since you have to wash it out with a garden hose, that means taking it off the roof and reinstalling it... anyone got an idea of what that would cost because it's something I wouldn't attempt to do alone.

Now, getting a forums "maintenance rally" together in the spring and helping each other might work, but I've learned that I don't heal up as fast as I used to, and I already have a picture of myself lying by the side of my stream with the A/C on top of me... looking vaguely like a turtle on it's back... thinking OH SH.... HURTZZZZZ.

Paula
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Old 07-09-2009, 10:29 AM   #33
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Originally Posted by Foiled Again View Post

I never thought about cleaning the coils - but it's obviously something that should fall under periodic maintenance. I am assuming that since you have to wash it out with a garden hose, that means taking it off the roof and reinstalling it... anyone got an idea of what that would cost because it's something I wouldn't attempt to do alone.

Now, getting a forums "maintenance rally" together in the spring and helping each other might work, but I've learned that I don't heal up as fast as I used to, and I already have a picture of myself lying by the side of my stream with the A/C on top of me... looking vaguely like a turtle on it's back... thinking OH SH.... HURTZZZZZ.

Paula
Good thought about those coils. Especially those of us with the heat pump models since we probably have more run time on these units. Just thinking about the maintenance I do on my home unit. I clean those coils almost 3 times a year. I always see debris coming out, even though basic inspection would make you think those coils are clean.

If you have a more standard type ac unit with the exposed rear coils, it's pretty easy to get a water hose up to squirt water through those coils from the outside in. With the Penguin units my thought would be the need to pull that shroud off since the coils are semi protected and much harder to get water on.

Jack
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Old 07-09-2009, 02:26 PM   #34
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Quote:
Originally Posted by Jaxon View Post
Davis, the Carrier is using the same line as the Dometic for condensation drain. Haven't checked the temp inside yet... I can tell you the interior is cooler is less time - the oscillating vents do help distribute the cool air more quickly. Besides the increased capacity of the Carrier 15k, it's also new so that may be a factor... the dometic was less than 4 years old & in good condition, wouldn't think it'd make that much of a difference...

Yesterday was 105 here in Austin... that puts the heat index close to 110 with the humidity we're having.

Hi Jaxon,
Thanks for the reply. If you do have a thermometer to check the inside temps I would be interested to know and compare it to my trailer to see if it would be wise for me to go ahead and upgrade to a 15k unit. Also did you buy a new drip pan for the Carrier unit ? Thanks
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Old 07-12-2009, 02:09 PM   #35
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I've had some good results with my cooling in this awful heat. Based on a previous post (I think in this thread) I bought a patio mister hose and yesterday laid it out down the length of the trailer roof and turned the water on. I saw an 8 interior temperature drop within an hour or so and today I'm nice and cool inside with the mist on the top of my trailer. The interior walls don't feel warm to the touch now.

I think this solution will get me through the summer and when it cools down in the fall I believe that I'm going to paint the roof panel with white Kool-Seal for a permanent solution.
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Old 07-12-2009, 02:28 PM   #36
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Quote:
Originally Posted by Davis View Post
Hi Jaxon,
Thanks for the reply. If you do have a thermometer to check the inside temps I would be interested to know and compare it to my trailer to see if it would be wise for me to go ahead and upgrade to a 15k unit. Also did you buy a new drip pan for the Carrier unit ? Thanks
Put a 'AAA' battery in the gauge on the counter and the temp read 78 at 3:00pm. AC had been on low speed, coolness knob at half way. Turned fan to hi-cool and setting to "coldest" and within 20 mins., temp. was 74 and going down (slowing down, though). We have trees over us with the front end open facing east. Again, the ocillating louvers really help circulate the cool air.

When we had the 13.5, we did use an oscillating fan on the counter. Haven't had to with this AC.
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Old 07-12-2009, 02:50 PM   #37
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Quote:
Originally Posted by jcanavera View Post
Good thought about those coils. Especially those of us with the heat pump models since we probably have more run time on these units. Just thinking about the maintenance I do on my home unit. I clean those coils almost 3 times a year. I always see debris coming out, even though basic inspection would make you think those coils are clean.

If you have a more standard type ac unit with the exposed rear coils, it's pretty easy to get a water hose up to squirt water through those coils from the outside in. With the Penguin units my thought would be the need to pull that shroud off since the coils are semi protected and much harder to get water on.

Jack
So this is done with the A/C in place, on the roof? There's no chance of water going inside?

Paula
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Old 07-12-2009, 03:02 PM   #38
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Quote:
Originally Posted by Jaxon View Post
Put a 'AAA' battery in the gauge on the counter and the temp read 78 at 3:00pm. AC had been on low speed, coolness knob at half way. Turned fan to hi-cool and setting to "coldest" and within 20 mins., temp. was 74 and going down (slowing down, though). We have trees over us with the front end open facing east. Again, the ocillating louvers really help circulate the cool air.

When we had the 13.5, we did use an oscillating fan on the counter. Haven't had to with this AC.


Hi Jaxon,
Thanks for the reply this sounds like I need to upgrade to a 15K unit .

Also the post on the hose mister sounded good also .
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Old 07-12-2009, 04:11 PM   #39
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So this is done with the A/C in place, on the roof? There's no chance of water going inside?

Paula
As long as things are sealed correctly and the units drains are clear, it shouldn't cause a problem. Now keep in mind that those fins are somewhat fragile so you shouldn't be hitting them with a power washer strength water stream. A typical garden hose squirting opposite the direction of the air flow through the coils will push out more debris that squirting the same direction of the air flow.
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