Honeywell MAGICSTAT 3355 - Page 20

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R
Rc
W Y G
B D
A C
THERMOSTAT BACK
M8796
DISPLAY ° F
DISPLAY ° C
C–IN
C–OUT
1 TURN
FOR HIGH EFFICIENCY FURNACE (90%+ AFUE)
ADJUST: SCREW A–OUT ONE TURN
SCREW B–IN
FUEL SWITCH – F POSITION
F
E
FUEL SWITCH
WARM AIR
FURNACE
HOT WATER
BOILER
ELECTRIC 
FURNACE
A–IN

A–OUT
1 TURN
A–IN
ADJUST SCREWS THROUGH HOLES
TO SELECT OPERATION DESIRED
B–IN

B–IN

B–OUT
1 TURN

FUEL SWITCH
POSITION
F

F

E

HEATING SYSTEM