Thermostat User Manual

b. Disconnect wires from existing thermostat, one at a time. Be careful not

to allow wires to fall back into the wall.

c. As each wire is disconnected, record wire color and terminal marking.

d. Discard or recycle old thermostat.

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.

CAUTION

3. Open thermostat (mounting base) to expose mounting holes. The base can

be removed to simplify mounting. Press the thumb release at the top of the

thermostat and snap apart carefully to separate mounting base from re-

mainder of thermostat.

4. Route thermost at wir es through lar ge hole in mounting base. Level mounting

base against wall (for aesthet i c value only—t her most at need not be l evel for

proper operation) and mark wall through four mounti ng holes. To avoid unin-

tended bending of wall plate plast i c, all four screws and anchors must be used.

See Fig. 1.