4-23. THERMOSTAT SWITCH (CONT)
FRONT OF HOUSING
a. Align holes in return air grill with holes in front panel.
b. Secure return air grill to front panel with eight (8) screws.
c. Connect electrical leads to thermostat switch and remove tags.
d. Align holes in thermostat switch with holes in front panel.
e. Secure thermostat switch with two (2) screws.
Align holes in control panel plate with holes in front panel.
g. Secure control panel plate with two (2) screws.
h. Install three (3) knobs and tighten setscrews.