Honeywell CT2400 Thermostat User Manual


 
NOTE: This thermostat does not have a setting for steam/gravity air. Cycles would not be long
enough for accurate temperature control.
IMPORTANT: When using a high
efficiency furnace such as a
90 percent or greater Average
Fuel Utilization Efficiency
(AFUE) unit, adjust screw A
OUT ONE TURN and screw
B IN.
THERMOSTAT BACK
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FUEL SWITCH
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17
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Mount Thermostat Mounting Plate
~
Position mounting plate on wall. Use a level
to make sure mounting plate is level. Use a
~/
;&ORS
pencil to mark the two mounting holes.
(2)
‘b
18
—.
.
•l Remove mounting plate from wall, and drill
LEVEL
3/1 6 inch holes in wall (if drywall) as marked.
(
HI
la
El
For firmer material such as plaster or wood,
)
II
drill 7/32 inch holes. Gently tap anchors
(provided) into drilled holes until flush with the
wall.
Reposition mounting plate over holes,
pulling wires through wiring opening. Loosely
insert two mounting screws into holes.
Level
for appearance only; thermostat will
‘,[
,1=
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function properly even when not level. Tighten
mounting screws.
M1714A
19