A/C condenser for house fed from detached garage panel...?

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sw_ross

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Meter is on pole between house and garage.
Out of meter are service conductors that go to house, and to garage.
The structures are ~20’ apart.
The condenser will be located on side of house close to garage.

Due to house panel location (and fact that panel is full) trench from garage panel to condenser (20’) is easier (cheaper and more panel space).

Off the top of my head I don’t see any issues, am I missing anything?
 
sw_ross said:
Meter is on pole between house and garage.
Out of meter are service conductors that go to house, and to garage.
The structures are ~20’ apart.
The condenser will be located on side of house close to garage.

Due to house panel location (and fact that panel is full) trench from garage panel to condenser (20’) is easier (cheaper and more panel space).

Off the top of my head I don’t see any issues, am I missing anything?
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Other than your air handler being fed from the house panel and your pad unit fed from the garage there is the controls being fed that might be a problem. I differ to others who know way more that I about any conflicts.
 
The 24v control circuit is fed by an isolation transformer, so the unit sources won't matter.
 
I would think if a new condenser is being installed that required a feed from somewhere other than the house panel that the new air handling unit in the house is most likely going to be fed from the garage panel also.

Otherwise, if changing out existing, the power should aready be there at both locations.

JAP>
 
It's been many years but I used to hit the garage with a 200A feed through panel then a 200 LC on the house. That allowed the garage to have a panel and yet feed the house with the full capacity of the service. Can you do that?

When I had 3-phase (residential Delta) services, I'd set a 200A 3P LC then feed the house with 100-150A sub and run a separate 3P circuit to a disco beside that panel for the a/c unit.
 
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