Operating Instructions and Installation Instructions

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.

Battery Compartment -

insert 2 “AA” size

batteries as marked.

SIZE

RESET (R) key

IMPORTANT - Getting Started

** **

LOCK

key