2H/1C Heat Pump (with auxiliary heat) 3H/2C Heat Pump (with auxiliary heat)
【2】 Remove jumper for 2-transformer system
【3】 Optional 24VAC common connection
【4】 Common connection must come from cooling transformer
【5】 If L terminal is used, 24VAC common (terminal C) must be connected
【6】 Install field jumper between Aux and E terminals if there is no emergency heat relay
Auxiliary heat relay (Heat 2)
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6
】
Changeover valve energized in heating
Changeover valve energized in cooling
Auxiliary heat relay (Heat 2)
【
6
】
Changeover valve energized in heating
Changeover valve energized in cooling