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616 01 1017 02
NOTE: Mercury is a hazardous waste, if existing control con
tains any mercury, it MUST be disposed of properly. The Ob
server Control does not contain mercury.
3. Select Observer Control mounting plastic
4. Route wires through hole in mounting plastic. Level rear
plastic against wall (for aesthetic value only Observer Con
trol need not be level to operate properly) and mark wall
through two mounting holes.
5. Drill two 3/16in (4.8 mm) mounting holes in wall where
marked.
6. Secure mounting plastic to wall using two screws and an
chors provided.
7. Adjust length and routing of each wire to reach each wire
entry on the connector backplate. Strip 1/4in (6.4 mm) of
insulation from each wire.
8. Match and connect thermostat wires to proper terminals
on wall control backplate. See wiring diagram XX in Ap
pendix A.
9. Push any excess wire into the wall. Seal hole in wall to
prevent any air leaks. Leaks can affect operation.
10. Attach Observer Control to the mounting plastic by lining
up the plastic guides on the back of the control with the
opening on the mounting plastic and push on.