GE AZ29E15DABM1 Owner's Manual And Installation Instructions page 6

Auxiliary controlson yourZoneline.
Remote Thermostat--Class 2
When this _wilch is cnabh'd (UP), it allows the
unit to opecate with a Class 2 Remote Control
Wall TheHnostat. The unit controls ar( disabled.
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L._ CLASS 2 (Remote Thermostat}
Load Shedding (Central Desk Control)
This fk'aturu is al tivc old 7, it the refit is ill
CDC m<xle. When this switch is <nabled (liPS,
the indoor fhn can be turned ON or OFF with
the unit controls.
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_- LOAD SHEDDING (CDC)
FreezeSentinel
When this swilch is enabled (UP),it turns OFF
lhe f}eeze sentinel protection fi,amre. With the
switch disabled (OOWN},th_ freeze sentinel is
activated, which amomalically provides heat
without riser interi3_ e. This helps 1o pruvent
plumbing damage by turning the hearer and
indoor tim ON at 41"F and OFF at 46"K
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FREEZE S en(Freeze Sentinel)
Constant ON Fan
When this swit(h is enabh'd (UP), it allows tht"
indoor fhn u) lanl continuously, at high speed,
even it the unit is in the STOP p<Mtion.
L CONST FAN(Constant
ONFan)
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