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  #1  
Old 11-02-2011, 12:41 PM
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Window ac/heat question

I have a 20 yo ComfortAir cooling and heat window unit for my shop. The air works fine but the heat strips don't work. I don't think this unit is a heat pump. Help PLEASE.

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Old 11-02-2011, 01:16 PM
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Couldn't you begin diagnosis with a simple multi-meter check of whether the heat strips are getting power or not?
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Old 11-02-2011, 01:26 PM
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Quote:
Originally Posted by kerry View Post
Couldn't you begin diagnosis with a simple multi-meter check of whether the heat strips are getting power or not?
I cant seem to locate the heat strips.
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Old 11-02-2011, 01:58 PM
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What's the model number?

-J
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Old 11-02-2011, 03:13 PM
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Quote:
Originally Posted by The Clk Man View Post
I have a 20 yo ComfortAir cooling and heat window unit for my shop. The air works fine but the heat strips don't work. I don't think this unit is a heat pump. Help PLEASE.
what makes you think its not a heat pump? could also have a stuck reversing valve
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Old 11-02-2011, 03:20 PM
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Originally Posted by compu_85 View Post
What's the model number?

-J
ComfortAir model # BUE 903

11000/8950.
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Old 11-03-2011, 12:12 PM
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I found out why the heat isn't working, I was able to get to the heat strips and reached down to the bottom and could feel the broken part. The heater is like a spring, can it be reattached or can I buy a generic type heat spring to replace it?
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Old 11-03-2011, 12:19 PM
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Take a picture of the element. I might be able to find you something. you are going to have to remove it one way on another.
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Old 11-03-2011, 12:24 PM
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Take a picture of the element. I might be able to find you something. you are going to have to remove it one way on another.
I forgot to bring my camera again my man. the heater looks like a spring.
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Old 11-03-2011, 12:27 PM
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Also the heat spring is behind the cooling unit and I'm trying to figure out how to remove the cooling unit part, any suggestions?
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  #11  
Old 11-03-2011, 12:39 PM
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If it is a window unit, you would generally remove the outside cover. A lot of times, the entire unit will slide right out of the cabinet part.
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  #12  
Old 11-03-2011, 01:26 PM
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Ok, more info for you guys.

The heat unit measures 10 inches tall and 15 inches wide.

these numbers were on the unit.

3.6 KW/230V

8604-140

8829

and on the inside it said

8403-140.

Hope this helps.
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Old 11-03-2011, 01:58 PM
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If I can't find a replacement part, can I just restring some new heating element wire?
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  #14  
Old 11-03-2011, 02:18 PM
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Originally Posted by The Clk Man View Post
If I can't find a replacement part, can I just restring some new heating element wire?
yes, given the voltage/watts, it sounds just like the element from an electric dryer. take a picture of the coils, and the connections, and I will find you a re-string kit.
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  #15  
Old 11-03-2011, 02:45 PM
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I am worried about you sticking your hand down into this thing...
EVEN WITH THE UNIT UNPLUGGED...
IF there is a big capacitor in there you could really get hurt....
Do you have any electrically experienced friends who could supervise this activity ? Or at least check it for dangerous components first ?

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