Search: Posts Made By: doug321
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01-05-09, 06:47 PM
Replies: 1
Views: 1,044
Posted By doug321

I don't think you can change the defrost cycle...

I don't think you can change the defrost cycle length.

I had a worse problem along those lines with my NG furnace. On short defrost cycles the furnace could not finish its startup routine - air...
12-27-08, 01:50 PM
Replies: 2
Views: 820
Posted By doug321

So you have a 1500W and a 750W 120V baseboard...

So you have a 1500W and a 750W 120V baseboard connected to the same tstat. Are they on their own circuit? Probably 12/2 wire with a 20 amp breaker?

If yes, then the easiest thing to do would be...
12-24-08, 05:53 PM
Replies: 2
Views: 2,291
Posted By doug321

Possibly. No way to know without testing it or...

Possibly. No way to know without testing it or metering it out.
I'd try it. Most likely if it is damaged it will either be permanently on or off.

To wire:
First, turn off the power to the...
12-11-08, 06:37 PM
Replies: 3
Views: 3,778
Posted By doug321

The service to your house is 240V single split...

The service to your house is 240V single split phase. You want to use the full 240 volts for you heater so no need to split with a neutral. In your situation just think of one wire as being the...
12-03-08, 08:50 PM
Replies: 3
Views: 1,631
Posted By doug321

It depends on if you have a heat pump or not. A...

It depends on if you have a heat pump or not. A heat pump is more efficient than electric heat by at least 2X as long as the outside temp is above freezing. Below freezing the electric furnace would...
12-02-08, 08:58 PM
Replies: 2
Views: 1,927
Posted By doug321

Sorry to hear about the lightning strike. You...

Sorry to hear about the lightning strike. You can't trust anything after a lightning strike.

I'd start by disconnecting all the tstat wires from the air handler. Does this stop the blower? If so...
12-01-08, 07:32 PM
Replies: 5
Views: 2,517
Posted By doug321

No tearing up anything. However, you will have to...

No tearing up anything. However, you will have to crawl under the deck to insulate and I think thats worth doing. Just add a plastic vapor barrier under the insulation to keep it dry. Anything more...
12-01-08, 06:58 PM
Replies: 5
Views: 5,402
Posted By doug321

Yes, but the fact that it tripped out the first...

Yes, but the fact that it tripped out the first time he fired up the system after the tech left leads me to believe the compressor was already dead before the homeowner did anything (in this case).
...
11-30-08, 11:45 AM
Replies: 5
Views: 5,402
Posted By doug321

A 12 year old unit isn't new, but it isn't...

A 12 year old unit isn't new, but it isn't ancient yet either. And if it was working before he came and wasn't after its really hard to argue that it died for some other reason than the tech did it....
11-29-08, 11:11 PM
Replies: 4
Views: 17,149
Posted By doug321

YES. I have a sun room and your approach is...

YES. I have a sun room and your approach is right. Let it get cold at night unless you want to spend a lot of dough heating it. That being said forget about the heat pump idea - 90-100F air will have...
11-29-08, 10:40 PM
Replies: 4
Views: 1,176
Posted By doug321

Its either your defrost board or the solenoid on...

Its either your defrost board or the solenoid on your reversing valve is weak and is not holding in defrost mode. OR you have a loose wire/ bad connection.

-doug
11-25-08, 10:42 PM
Replies: 11
Views: 12,704
Posted By doug321

Drawing only from my own experience the air blown...

Drawing only from my own experience the air blown across my heat pump coils is always noticeably lower than the outside temperature in heat mode. Maybe with a smaller unit its just not as noticeable?...
11-22-08, 11:14 PM
Replies: 8
Views: 16,780
Posted By doug321

If you are in AC mode and the fan was not turning...

If you are in AC mode and the fan was not turning its not a defrost issue and is some sort of fan problem. Have you tried giving the fan a push with a stick? If this starts it normally I would say it...
11-19-08, 09:51 PM
Replies: 8
Views: 16,780
Posted By doug321

You both realize that heat pumps shut off their...

You both realize that heat pumps shut off their fan during their defrost cycle? Some units have temp sensors to tell the unit when it needs defrosting. Others just use a timer set to defrost every...
11-18-08, 09:39 PM
Replies: 4
Views: 1,174
Posted By doug321

100 percent normal. Your heat pump went into...

100 percent normal. Your heat pump went into defrost mode to deice the coils. If it did not do this your heat pump would eventually turn into a big block of ice - literally. When your heat pump is in...
11-18-08, 09:15 PM
Replies: 11
Views: 12,704
Posted By doug321

If it gets cold (freezing or below) 4100BTU isn't...

If it gets cold (freezing or below) 4100BTU isn't likely to be enough to heat 250sq ft. Its hard to give you an exact answer because it depends on the number of exterior walls, number and type of...
11-18-08, 08:39 PM
Replies: 1
Views: 2,666
Posted By doug321

>>Can I operate my heat pump at lower outside...

>>Can I operate my heat pump at lower outside temps and still receive adequate heat.

There are too many variables to give you a yes or no answer, but its easy to figure out. Does it heat...
11-17-08, 11:05 PM
Replies: 12
Views: 1,803
Posted By doug321

I don't know enough about heat pumps to be able...

I don't know enough about heat pumps to be able to say what would happen if the valve was in the wrong position. Offhand I would say nothing bad, just that you would get heat when you wanted defrost...
11-17-08, 10:39 PM
Replies: 5
Views: 2,517
Posted By doug321

Standard baseboard does get hot. Will it get hot...

Standard baseboard does get hot. Will it get hot enough to melt the vinyl, I don't know. They do make hydronic baseboard which I believe does not get as hot, however it is more expensive. If it were...
11-17-08, 10:06 PM
Replies: 2
Views: 866
Posted By doug321

They both use the same amount of electricity. ...

They both use the same amount of electricity. And generally wired in baseboard is safer then plug in heaters.
11-16-08, 08:30 PM
Replies: 6
Views: 2,353
Posted By doug321

>>it just doesn't seem very efficient to blow...

>>it just doesn't seem very efficient to blow COLD air into the house when i am trying to raise the temperature.

Its not efficient, but the alternative is that your heat pump will turn into a...
11-14-08, 08:52 PM
Replies: 4
Views: 988
Posted By doug321

The small ceramic heaters are cheap, and I have...

The small ceramic heaters are cheap, and I have used them in the past as a temporary heat source with no problems, but I think you should go with something that will deliver over the long haul...
11-10-08, 10:53 PM
Replies: 11
Views: 10,307
Posted By doug321

>>3) I've read that if the heat pump shuts down...

>>3) I've read that if the heat pump shuts down when the outside temp is low, it should be kept off for several hours, then turned back on in the cooling mode until the coolant warms back up....
11-06-08, 10:08 PM
Replies: 3
Views: 1,004
Posted By doug321

Your approach is wrong. You need to look at the...

Your approach is wrong. You need to look at the nameplate on the heat pump and on the blower unit. They will specify the maximum rated current. This will determine what gauge wire you will need and...
11-06-08, 09:50 PM
Replies: 4
Views: 1,437
Posted By doug321

>>My question is can i 1 Bypass the baseboard...

>>My question is can i 1 Bypass the baseboard heater on board t -stat and just wire my wall mount to it.

Tough call without seeing the heaters. It will work if you bypass it, however the NEC...
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