OSH Park
Heat Pump Relay Controller
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Heat Pump Relay Controller
by schizobovine.
2
layer board of
1.65x1.55
inches
(41.94x39.37
mm).
Shared on
September 12th, 2014 19:06.
Board to twiddle the relays of a 24VAC heat pump system. Also has 24VAC out to go to a switching power supply so that the unit can be powered off the 24VAC transformer.