SV9501/SV9502/SV9601/SV9602 SMARTVALVE
TM
SYSTEM CONTROL
7
69-1270—3
Fig. 10. SV9501/SV9502/SV9602/SV9601 typical wiring
diagram in atmospheric boiler.
STARTUP AND CHECKOUT
WARNING
Fire or Explosion Hazard.
Can cause severe injury, death or property
damage.
Do not force the ignition switch on the appliance.
Do not use tools to move the ignition switch. If the
switch does not move by hand, a qualified service
technician must replace the control.
Ignition System Control Switch Settings
NOTE: The control switch only controls gas flow. It does
not control the igniter circuit.
Ignition system control switch settings are:
OFF
Prevents pilot and main gas flow through the ignition
system control. The rest of the ignition sequence occurs
normally.
ON
Allows gas to flow through the control valve. The
thermostat controls the gas flow to the pilot and main
burners.
Fig. 11. SV9501/SV9502/SV9602/SV9601 typical wiring diagram in induced draft boiler application.
THERMOSTAT
L2
L1
120 VAC
POWER SUPPLY
W
G
C
R
Y
COIL
RED
BLACK
RED
D892
VENT DAMPER
4 3 2 1
BLACK
CIRCULATOR PUMP
AQUASTAT
CONTROL
ROLLOUT
SWITCH
SPILL
SWITCH
M7936C
BLACK
PILOT BURNER GROUND
(THROUGH PILOT TUBING)
CABLE AND
CONNECTOR
TO SUIT
POWER SUPPLY. PROVIDE
DISCONNECT MEANS AND
OVERLOAD PROTECTION
AS REQUIRED.
1
1
R8285D
24 VOLT
COMMON
24 VOLT
HOT
EFT
OUTPUT
24 VOLT
THERMOSTAT
OR PRESSURE
SWITCH
CIRCULATOR
R8222U RELAY
PRESSURE
SWITCH
PILOT BURNER
GROUND (THROUGH
PILOT TUBING)
24V THERMOSTAT
R8285D CONTROL CENTER
COMBUSTION
AIR BLOWER
ROLL-OUT
SWITCH
LIMIT
1
3
4
6
NO
NC
C
R
C
G
Y
W
1
3
4
6
L2
L1
(HOT)
1
1
POWER SUPPLY. PROVIDE DISCOUNNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
M13036B
