Temperature Format; Reset Button - Orbit 83521 User Manual

INSTALLING YOUR THERMOSTAT
8 Completing an installation
a. Insert three Energizer® or Duracell® AAA
alkaline batteries.
b. Install the thermostat body by gently
pushing it onto the base until it "clicks" into
place. Verify that there are no gaps in the
side housing.
c. Turn the power back on to the heating and
cooling equipment.
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G O/B Y W RC R
MODE
FAN
SET RUN HOLD

TEMPERATURE FORMAT

Switching Between
Fahrenheit (°F) and Celsius (°C)
1. Slide the MODE switch to the
off position.
2. While holding p press SET.
3. Release both buttons.
4. Repeat steps 2 and 3 to toggle
between °F and °C.

RESET BUTTON

To access the RESET button, remove the
thermostat body from its base by gently
pulling them apart.
• Press and hold for five seconds to reset all
system settings and temperature gauges back to
factory defaults.
Note: Be careful not to
touch the black surface
on which the reset button
Off
is mounted, and do not
clean it if dusty.
RESET
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