Honeywell SmartValve SV9540 Installation Instructions Manual page 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
40 VA
TRANSFORMER
NEUTRALS
COM
24 VAC
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
2
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.
3 APPLIANCE CHASSIS MUST HAVE RELIABLE CONNECTION TO EARTH GROUND.
69-1059
L2
TO 120/240 VAC, 60 HZ
2
POWER SUPPLY
L1
(HOT)
L1 XFMR CONT COOL
EAC
ST9160
ELECTRONIC
HEAT
FAN TIMER
HUM
MOTOR
M2
PARKING
TERMINALS
M1
R C W Y G
Y G
R W
THERMOSTAT
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.
1
ROLL-OUT
SWITCH
ELECTRONIC
AIR CLEANER
LIMIT
SWITCH
CIRCULATING
FAN
SV9540
SV9640
HUMIDIFIER
C1
C
R
24 VAC
DATA
C3
NEUTRAL
L1
NEUTRAL
HOT
6
AIR PROVING
SWITCH COMBUSTION
AIR BLOWER
AIR
C2
3
Q3450
IGNITER-
SENSOR
M12176