Venstar T0140 - Auxiliary Heat Functionality; Emergency Aux Heat Mode; Normal Aux Heat Mode; Aux Heat Lockout Mode

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HEAT
Page 7
Aux Heat
Normal - Aux Heat is allowed to run, if necessary,
along with the heat pump to satisfy the
heat demand.
Lockout - Aux Heat will never turn on
regardless of the heat demand.
When the Aux Heat switch is in the Emergency position the
compressor will also be locked out during cooling operation.
*
AUX HEAT
SWITCH
OWNER'S MANUAL
T0140
Emergency - Disables all compressor
functions* and energizes only Aux
Heat to satisfy the heat demand.