Discard any jumper wires between Rh, Rc, or R. This thermostat does
not need them. They are jumpered internally.
When done, remove the old thermostat base by unscrewing it from the
wall. Be careful not to let any wires fall back into the wall.
Discard or recycle old thermostat.
CAUTION
!
ENVIRONMENTAL HAZARD
Failure to follow this caution may result in environmental
damage.
Mercury is a hazardous waste. Federal regulations require that
mercury be disposed of properly.
Step 3. Attach Backplate to Wall
Position the backplate, ensuring that it is straight by checking the
bubble on the built- -in level. Mark the mounting holes on the wall with
a pencil.
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