It is VERY IMPORTANT you choose your desired choice of Celsius (°C) or
Fahrenheit (°F) before you proceed with the clock and program setting, as
this is a one-time setup process. The temperature scale (°C or °F) CANNOT
be changed afterwards unless you perform another HARD RESET on the
thermostat. (REFER TO PAGES 17 and 31).
Pull apart firmly to remove
the back cover from the
thermostat. DO NOT try to
pry open with a screwdriver.
Flip cover open
to access keys.
X
Battery Compartment -
insert 2 “AA” size
batteries as marked.
SIZE
AA
SIZE
AA
RESET (R) key
IMPORTANT - Getting Started
** **
3
LOCK
key
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