GE AZ55H12EABM1 Owner's Manual And Installation Instructions page 6

Auxiliary controlson yourZoneline.
Remote Thermostat-Class2
_4q_en this switch is enabled (UP), it allows the
unit to operate off of a Class 9 Remote Control
_4*all Them_ostat. The refit controls are disabled.
L CLASS 2 (Remote Thermostat)
Load Shedding (CDC)
This ti_atm'e is active only if the refit is in
CDC mode. When this switch is enabled
(UP),
the indoor lira can be turned ON or OET with
the mfit controls.
LOAD SHEDDING (CDC)
Freeze Sentinel
\,_l/en this switch is enabled
(UP), it turns OFF
tile freeze sentinel protection featm'e. With tile
switch disabled
(DOWN),
the fl'eeze sentinel is
acti\_ted which automatically provides heat
without user inteiti_ce. This helps to prevent
plumbing damage by turning tile heater and
indoor tim ON at 41° F and OE1_"at 46°E
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L__ FREEZE S en(Freeze Sentinel)
Constant ON Fan
X&q/en this switch is enabled
(UP),
it allows tile
indoor
tim to rtm continuousl,_;
at high speed,
exert if the refit is in the STOP position.
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L CONST FAN(Constant
ON Fan)
Occupancy Sensor
_,_l/en this switch is enabled
(UP),
it allows tile
refit to utilize an infl'ared motion sensor and a
door switch fin" oCC/lpanc}' demction. This teature
allov_:s an energy' management system to be
installed and operated in c(>qjuncti(m with
tile mfit.
L-- OCCUPIED
(Occupancy S ensor)