Orbit 83521 - System Wiring

16 17
INSTALLINGYOURTHERMOSTAT
G O/B Y W RC R
MODE
FAN
SET RUN HOLD

Completing an installation
a. Insert three Energizer® or Duracell® AAA
alkaline baeries.
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.
RESETBUTTONTEMPERATURE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 buons.
4. Repeat steps 2 and 3 to toggle
between °F and °C.
RESET
THERMOSTATFIGMINIMUMOFFTIMEMU
Off
Arrow down
Arrow up
To access the RESET buon, remove the
thermostat body from its base by gently
pulling them apart.
• Press and hold for five seconds to reset all
system seings and temperature gauges back to
factory defaults.
Note: Be careful not to
touch the black surface
on which the reset button
is mounted, and do not
clean it if dusty.