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-   -   Hvac trips breaker (http://www.diychatroom.com/f17/hvac-trips-breaker-159793/)

redman88 10-11-2012 08:11 PM

Hvac trips breaker
 
Okay just has a new load center installed. The breakers are all new so I know they arnt a problem. But I think the problem was happening before anyway. So the problem is the circut breaker trips when the ac unit turns on.

sublime2 10-11-2012 08:16 PM

Quote:

Originally Posted by redman88
Okay just has a new load center installed. The breakers are all new so I know they arnt a problem. But I think the problem was happening before anyway. So the problem is the circut breaker trips when the ac unit turns on.

There's a short somewhere.
Did this happen before the nee panel was installed?
If not,I'd be looking at the panel.

redman88 10-11-2012 08:52 PM

i do belive it was happening before, i did not look to close at the previous subpanel for the AC, the new breaker is in the new load center.

HVACDave 10-12-2012 07:58 AM

What size of breaker is going to your unit and what is the rated amp draw of the unit?

redman88 10-12-2012 09:26 AM

60 amp and I don't know the rated

beenthere 10-12-2012 04:39 PM

Data label on unit will have the amp rating.

funfool 10-12-2012 05:24 PM

I really have no useful info, but I do wonder what unit you have and if it has a separate motor between heat and ac?
Does heat side work and only ac side it trips breaker?
As I stated, I have no real info to help, but if you post the make and model of your unit, would be good way of getting useful info to ask more questions and others help you.

redman88 10-12-2012 07:33 PM

Haven't tried the heat side did get on the roof and looked at the data plate it's a 70 amp ac. After see the pull disconnect on the unit I kind of remember seeing one by the main fused/leaver disconnect on the house. But I only looked one real quick. So a trip to the hardware store tomorrow hopfuly the local store has one so I don't have to drive 50 miles one way to get it

redman88 10-13-2012 05:59 PM

Well the electrician came back over and put his amp meter on the leads going into the ac it spikes up to 170 amps for a few seconds the the beaker trips. He thinks its the capacitor. The top bulges a little

beenthere 10-13-2012 06:14 PM

May be the capacitor. Their cheap, so try a new one.

redman88 10-13-2012 08:07 PM

Where do I go to get one

beenthere 10-13-2012 08:55 PM

Grainger. or any electric motor shop.

redman88 10-13-2012 09:46 PM

Found that the original has a new part number and found it on amazon ordered and on the way

redman88 10-17-2012 08:00 PM

Received and replace the capacitor, problem fixed. AC up and running

beenthere 10-17-2012 09:48 PM

Good, glad it was a simple fix.


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