Pro1 IAQ T631W-2 - Thermostat Quick Reference; Getting to Know Your Thermostat; LCD Display Details; Fan Switch Operation

2
Important:
The low battery indicator is displayed
when the AA battery power is low. If the
user fails to replace the battery within
21 days, the thermostat display will only
show the low battery indicator as a nal
warning before the thermostat becomes
inoperable.
Getting to know your thermostat
LCD
1
2
Fan Switch
3
System Switch
4
Set-point Buttons
1
2
3
Low Battery Indicator:
Replace batteries when
indicator is shown.
+1 will appear in the
display when the auxiliary
heat is active.
Indicates the current
room temperature.
Displays the user
selectable setpoint
temperature.
System operation
indicators: ON will
display when the
COOL or HEAT is on.
4
1
Battery installation is optional if thermostat is hardwired (R and C terminal connected to 24v power).
R
C
THERMOSTAT QUICK REFERENCE
Insert 2 AA Alkaline
batteries (included).
High quality Alkaline
batteries are recommended