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INDUCED
DRAFT
BLOWER
ROLLOUT
ROLLOUT
BROWN
4
3
2
1
S1
4
1
3
2
P1
GRN/YLW
INTERLOCK
SWITCH
HOT
IGNITION
CONTROL
1
2
3
4
5
5 PIN
CONNECTOR
W1 W2
R G
C
Y
Y2 0
W1 W2
C
R
G
Y
CONDENSER
THERMOSTAT
PRESSURE
SWITCH (HIGH)
PINK
LIMIT
BLUE
PRESSURE
SWITCH (LOW)
PUR
FLAME
SENSOR
BROWN
BLACK
BLACK
12
9
3
6
11
8
5
2
10
7
4
1
CIRCULATION
BLOWER
5 PIN
CONNECTOR
2
3
4 5
1
RED
GRN
WHITE
WHITE
WHITE
CONNECTION DIAGRAM
1
PROPER POLARITY MUST BE OBSERVED FOR FIELD LINE
VOLTAGE SUPPLY. IGNITION CONTROL WILL LOCK OUT IF
POLARITY IS REVERSED
FOR TEMPORARY SERVICE REPLACEMENT ON
CIRCULATING BLOWER MOTOR WITH PSC MOTOR,
CONNECT MOTOR LEADS TO "EAC" TERMINALS ON
IGNITION CONTROL
L1 HOT
GAS VALVE
HOT SURFACE
IGNITOR
H1 C M
INTERLOCK
2 PIN
2
1
SWITCH
CONNECTOR
2
1
INPUT CHOKE
(IF USED)
WARNING−
ELECTRIC SHOCK HAZARD,CAN CAUSE INJURY
OR DEATH.UNIT MUST BE GROUNDED IN ACCORDANCE
WITH NATIONAL AND LOCAL CODES.
NOTE−
IF ANY WIRE IN THIS APPLIANCE IS REPLACED,IT
MUST BE REPLACED WITH WIRE OF LIKE SIZE,
RATING, INSULATION THICKNESS, AND TERMINATION
FIGURA 62
Página 45
120/1/60
FLAME
FP
SENSOR
HOT SURFACE
IGNITER
IGN
IND HIGH
IND LOW
HUM
EAC
CHOKE
(IF USED)
CIRCULATION
BLOWER
MOTOR
120V
TRANSFORMER
24V
TR
TH
HLO
HPS1
MVH
LPS1
MVL
IGNITION
CONTROL
HLI
W1 W2
C
R G
Y
ROLLOUT
ROLLOUT
SWITCH
SWITCH
(IF USED)
LIMIT
G
W1 W2 Y R
THERMOSTAT
PRESSURE
PRESSURE
SWITCH
SWITCH
(LOW)
(HIGH)
GAS FIRED TWO STAGE
WIRING SCHEMATIC
FURNACE
NEUTRAL
INDUCED DRAFT
BLOWER
MOTOR
HUMIDIFIER
AIR CLEANER
2ND STAGE
1ST STAGE
GAS VALVE
MOTOR
CONDENSER
LINE VOLTAGE FIELD INSTALLED
LINE VOLTAGE − FACTORY
CLASS II VOLTAGE FIELD WIRING
LOW VOLTAGE − FACTORY
HEATING UNITS−GAS
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