8. ELECTRIC DIAGRAMS FOR UNITS BUILT BEFORE 2005
THERMOSTAT
SERVO-MOTOR
24 V.A.C.
24 V.A.C.
15 MARS 1990
WOOD ONLY FURNACES PSG 4000 & 4500
BELT-DRIVE G12 MOTOR
JUNCTION BOX
ON
OFF
120 V.A.C.
TRANSFORMER
24 V.A.C.
21
WHITE RODGERS
ON 150°F
OFF 110°F
L
F
RED
LIMIT 250°F
RED - HIGH SPEED
WHITE - COMMON
BLACK - LOW SPEED
HONEYWELL
L4064
F
L
WHITE
L1
120 V.A.C.
L2
BLOWER
2 SPEED
MOTOR