Honeywell MAGICSTAT 3355 Owner's Manual page 24

Loosen the terminal screws and slip each
wire beneath its matching terminal. See
illustration (lower right) for wire insertion
technique. Securely tighten the terminals.
Plug the hole in the wall with insulation to
help prevent drafts from adversely affecting
the thermostat operation.
INSERT
STRAIGHT
5/16 in.
UNDER
(8 mm)
SCREW HEAD
STRIP
END OF WIRE
VISIBLE HERE
JUMPER (FACTORY-
INSTALLED) REMOVE
IF 5-WIRE SYSTEM
c
R
R
G Y W
M1712A
24
M3002A
69-1012