
SV9440, SV9540, AND SV9640 SMARTVALVE™ SYSTEM CONTROLS
69-1227—02
8
Fig. 9. Typical wiring connections with 208907 Terminal Board.
Fig. 10. Typical wiring connections direct to the thermostat.
C1
P1
C2
C3
40 VA
TRANSFORMER
CONT
EAC
HEAT
HUM
M2
MOTOR
PARKING
TERMINALS
M1
L1
NEUTRALS
24 VAC
R
W
C
COM
XFMR
COOL
LOAD
COMMON
M12174D
SV9440
SV9540
SV9640
AIR PROVING
SWITCH
NEUTRAL
HOT
ROLLOUT
SWITCH
LIMIT
SWITCH
AUXILIARY
LIMIT SWITCH
(OPTIONAL)
COMBUSTION
AIR BLOWER
AIR
DATA
NEUTRAL
1
2
ELECTRONIC
AIR CLEANER
CIRCULATING
FAN
HUMIDIFIER
L2
L1
(HOT)
TO 120/240 VAC, 60 HZ
POWER SUPPLY
THERMOSTAT
R
24 VAC
R
C
W
Y
Y
G
G
ST9160
ELECTRONIC
FAN TIMER
Q3450
IGNITER-
SENSOR
L1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
FOR 120 VAC INSTALLATIONS, CONNECT THE 120V (HOT) LEAD TO L1 ON ST9160.
FOR 240 VAC INSTALLATIONS, THERE MUST BE NO MORE THAN 120 V BETWEEN
L1 AND APPLIANCE CHASSIS.
1
2
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
5
5
6
6
7
8
C1
C2
C3
40 VA
TRANSFORMER
L1 L2
LOAD
COMMON
THERMOSTAT
M12172D
PRESSURE
SWITCH
NEUTRAL
HOT
L2
L1
(HOT)
TO
120/240 VAC, 60 HZ
POWER SUPPLY
ROLLOUT
SWITCH
LIMIT
SWITCH
INDUCER
BLOWER
MOTOR
R
R
W
24 VAC
Q3450
IGNITER-
SENSOR
AIR
DATA
SV9440
SV9540
SV9640
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
FOR 120 VAC INSTALLATIONS, CONNECT THE 120V (HOT)
LEAD TO L1. FOR 240 VAC INSTALLATIONS, THERE MUST
BE NO MORE THAN 120V BETWEEN L1 AND APPLIANCE
CHASSIS.
DATA AND R LINES MUST BE CONNECTED TO W ON
THERMOSTAT FOR PROPER SYSTEM OPERATION.
THERMOSTAT MUST HAVE ZERO OFF-STATE CURRENT
DRAW. MECHANICAL SWITCH THERMOSTATS
RECOMMENDED. TRIAC SWITCH THERMOSTATS OR
POWER-STEALING THERMOSTATS ARE NOT
RECOMMENDED.
IN THIS APPLICATION, POSTPURGE FUNCTION IS NOT
AVAILABLE AND THE LED FUNCTIONS ONLY DURING A
CALL FOR HEAT.
1
2
1
2
4
4
5
5
3
3
1
1
5
6
7
8
1
2
2
2
3
3
3
4
4
4