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PRO TH3210D Non-programmable Digital Thermostat
9
Inside Set To
75
75
Em Aux
Heat On
°
°
Replace Batt
Quick reference to display screen
Current inside temperature
Low battery warning
Temperature setting
System status
Em: Emergency heat on
Aux: Auxiliary heat on
Heat On/Cool On:
(Flashes when waiting
for compressor restart)
Quick reference to controls
Digital display screen Temperature buttons
Press to adjust temperature
settings
System switch
• Cool: Thermostat controls only
the cooling system.
• Heat: Thermostat controls only
the heating system.
• Off: Heating and cooling
systems are off.
• Em Heat: Thermostat controls
emergency and auxiliary heat.
Compressor is locked out.
Fan switch
On: Fan runs continuously.
Auto: Fan runs only when heating
or cooling system is on.
Inside Set To
75
75
Cool On
°
°
Built-in compressor protection (Setup Function 15)
This feature helps prevent damage to the
compressor.
Damage can occur if the compressor is re-
started too soon after shutdown.This feature
forces the compressor to wait for a few min-
utes before restarting.
During the wait time, the message Cool On
or Heat On will flash on the display.When
the safe wait time has elapsed, the message
stops flashing and the compressor turns on.
Message flashes until safe
restart time has elapsed