Honeywell CT3400 Programming And Installation Instructions page 20

■
Remove wallplate from wall, and drill
3/16 inch holes in wall (if drywall) as marked.
For firmer material such as plaster or wood,
drill 7/32 inch holes. Gently tap anchors
(provided) into drilled holes until flush with the
wall.
■
Reposition wallplate over holes, pulling
wires through wiring opening. Loosely insert
two mounting screws into holes.
■
Level for appearance only; thermostat will
function properly even when not level. Tighten
mounting screws.
17
SPIRIT LEVEL
M611A
69-0733B—1