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All Electric Heat (Heat pump models only)
When this switch is enabled (UP), heat pump
operation is locked out, causing the unit to provide
only electric resistance heat.
Freeze Sentinel (Requires room air sensor kit-
RAVRMS)
When this switch is enabled (UP), it turns OFF the
freeze sentinel protection feature. With the switch
disabled (DOWN), the freeze sentinel is activated,
which automatically provides heat without user
interface. This helps prevent plumbing damage by
turning the heater and fans ON at 41°F and OFF at
46°F.
Constant ON Fan
When this switch is enabled (UP), it allows the fan to
run continuously.
Occupancy Sensor (Field Supplied)
When this switch is enabled (UP), it allows the unit to
utilize an infrared motion sensor and a door switch
for occupancy detection. This feature combined
with fi eld devices automatically cycles the unit
between normal operation and a preset energy
management operation.
Duct
The duct select function allows the indoor fan to
be operated at two variable fan speeds. When this
switch is enabled (UP), the unit automatically selects
high or middle fan speed (for longer ductwork
applications). When set in the disabled (down)
position, the unit is automatically operated in either
the middle or low fan speed (for shorter ductwork
applications).
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