Can you use a contactor with the coil wires connected to the AC IN of
the Outback? When incoming AC goes down, the contactor will open to shed
the compressor circuit.
_Drake Chamberlin_
_Athens Electric LLC_
_Ohio Electrical Contractor's License 44810_
_NABCEP Certified PV Installation Professional_
---
On 2025-08-22 15:54, Christopher Warfel via RE-wrenches wrote:
We installed a 4kW Outback multimode system about 8 years ago. An
electrician came in afterwards and installed 3 heat pumps on the
battery backed up power panels. The Outback inverter disconnected on
load every time there was a power outage. The electrician really
messed up and is long gone. Also found out did not pull a permit. But
I digress. We managed to move two of the heat pump circuit breakers
to the utility panel, so no longer on the battery backed up power
panels. The third heat pump is the problem as it is located in an
apartment building remote from the main house. The whole apartment
subpanel, including the heat pump load is interconnected to the
"main" battery backed up power panel in the home.
A master electrician and I are considering how to shed the apartment
heat pump in a power outage. We cannot easily run a separate circuit
to the apartment building to pick up this load. We have considered a
smart panel, but the cost seems high for one circuit. Does anyone know
of a power line product of RF product or similar that could operate
this breaker when the main service panel loses power? I have been
unsuccessful over months of sporadic research.
Thanks in advance.
Chris
-- Christopher Warfel, PE ENTECH Engineering, Inc. PO Box 871, Block
Island, RI 02807 (401) 447-5773
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