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33UH-PRC002-EN
Electric
Power
Sequence of Operation
L2
L1
DISCONNECT
LINE IN 115V/1/60
L1
L2
B
B
FAN TIME DELAY
SUMMER/WINTER SWITCH
S
W
BLACK
BLACK
K5
BLOWER
MOTOR
DRAFTOR
HTR
DRAFTOR WIRING FOR
POWER VENTED UNITS
L1 L2
LINE TO
24V XFORMER
50 VA
12
2
24
VOLTS
FAN TIME DELAY
DL
DL
R1
W1
FURNACE ONE HIGH LIMIT
12
1
V
2
58600 IGNITOR
MV
MV/PV
PV
GND
24V (GND)
24V (HOT)
SPARK
BLKQ
VENT
12
DRAFTOR
END SW
MV SOL.
PV SOL.
DRAFTOR ONE
K5
BYPASS SOL.
OVERRIDE STAT
RW
IGN
BY1
V
2
W1
DL
1
1
THERMOSTAT
OR DUCTSTAT
R
W/B
Hydraulic Modulating Control With Bypass