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All Heat Pump Lockout Mode
AZ6500 series ONLY
The Heat Pump Lockout is controlled through the
auxiliary set mode. When this auxiliary set button
is On, the control will run in electric resistance heat
(Stage 3) mode only, with the heat pump operation
(Stage 1 and 2 heating) oȺ. When the auxiliary set
button mode is OȺ, the heat pump is allowed.
The heat pump lockout mode is utilized in the Class
2 mode.
NOTE: If heat pump lockout mode and Boost heat
mode are both selected as active in the auxiliary
settings, heat pump lockout mode takes priority,
and heat pump modes remain oȺ.
Boost Heat Mode
AZ6500 series ONLY
When the boost heat auxiliary set button is enabled
and the outdoor temperature is above 25°F, the ¿rst
stage heat (heat pump only) is locked out.
It will be controlled through an auxiliary set
button mode. Staged Heating selection logic and
Resistance Heat lock-out mode have priority over
this function.
This boost heat setting is used to provide
supplementary heat to the heat pump operation in
conditions where the heat pump only operation (¿rst
stage heat) is not suȻcient to maintain a consistent
comfortable room temperature for the consumer.
Fan Only Mode - All models
In the Fan Only mode, the indoor fan runs
continuously at the fan speed selected (High or Low).
All other loads are de-energized.
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