69-1059
6
SV9540; SV9640 SmartValve™ SYSTEM CONTROLS
Wiring
Follow the wiring instructions furnished by the appliance
manufacturer, if available, or use the general instructions
provided below. When these instructions differ from the
appliance manufacturer, follow the appliance manufacturer
instructions.
All wiring must comply with applicable electrical codes and
ordinances.
Disconnect power supply before making wiring connec-
tions to prevent electrical shock or equipment damage.
1. Check the power supply rating on the ignition
system control and make sure it matches the
available supply. The system transformer should be
Fig. 7. SV9540; SV9640 typical wiring connections in fan assisted
warm air furnace with ST9160 Electronic Fan Timer.
NEMA rated for 40 VA or larger. An appliance
system power review is recommended. Install a
transformer, thermostat and other controls, as
required.
2. With 120 Vac power supply, connect the 120V hot
lead to L1 on the ST9160 or 208907 Terminal
Board. With 240 Vac power supply, there must be
120 Vac potential between L1 and appliance
chassis.
3. Appliance chassis must have reliable connection to
earth ground.
4. Connect control circuit to the ignition system
control using the keyed connector. See Fig. 7
through 10.
C1
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
M12176
SV9540
SV9640
AIR PROVING
SWITCH
NEUTRAL
HOT
ROLL-OUT
SWITCH
LIMIT
SWITCH
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 120 V BETWEEN L1 AND APPLIANCE CHASSIS.
APPLIANCE CHASSIS MUST HAVE RELIABLE CONNECTION TO EARTH GROUND.
1
2
3
3
