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Installation Guide
6
Wiring diagrams
Typical 1H/1C heat pump system Typical heat-only system
Power supply. Provide disconnect means and overload protection as required.
Factory-installed jumper. Remove for 2-transformer systems only.
Optional 24VAC common connection.
In Installer Setup, set system type to Heat Only
.
In Installer Setup, set system type to 1Heat/1Cool Heat Pump & changeover valve to 0 or B.
In Installer Setup, set system type to 2Heat/1Cool Heat Pump.
L terminal is powered continuously when thermostat is set to Em Heat.
Install field jumper between Aux and E if there is no emergency heat relay.
In Installer Setup, set system type to 2Heat/2Cool conventional.