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VR8245 AND VR8345 UNIVERSAL ELECTRONIC IGNITION GAS CONTROLS
69-2013
6
WIRING
CAUTION
Disconnect power supply before making
wiring connections to prevent electrical shock
or equipment damage.
Follow the wiring instructions furnished by the appliance
manufacturer, if available, or use the following general
instructions. Where these instructions differ from the
appliance manufacturer, follow the appliance
manufacturer instructions.
All wiring, including insulated quick connect terminals,
must comply with applicable electrical codes and
ordinances.
1.
Check the power supply rating on the gas control
and make sure it matches the available supply.
Install thermostat and other controls as required.
2.
When the gas control is installed on a hot surface or
direct spark ignition system, attach the wire adapter
provided to the wiring terminals. See Fig. 7 for the
wire terminal location.
3.
Connect control circuit to gas control terminals. See
Fig. 3 and 8, 9, or 10.
4.
Adjust the thermostat heat anticipator to 0.7, the rat-
ing stamped on the valve operator.
Fig. 7. Install wire adapter for hot surface or direct
spark ignition systems. Pilot plug must be in the
valve pilot opening.
Fig. 8. VR8245M/VR8345M,H wiring connections in intermittent ignition system.
M8440A
PV
MV
PV
MV
OFF
ON
PILOT GAS SEAL
(PLUG)
WIRE
ADAPTER
L1
(HOT)
L2
L2
1
L1
(HOT)
1
4
1
2
3
4
5
6
2
5
6
3
M23470
S8610U
MV MV/PV PV
GND
(BURNER)
24V
GND 24V TH-W
VENT
DAMPER
PLUG
SENSE
SPARK
THERMOSTAT
LIMIT
CONTROLLER
PILOT
BURNER
GROUND
SENSOR
IGNITER
MV
MV/PV
PV
VALVE
DUAL VALVE COMBINATION
GAS CONTROL
PILOT GAS
SUPPLY
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
ALTERNATE LIMIT CONTROLLER LOCATION.
MAXIMUM CABLE LENGTH 3 FT [0.9 M].
CONTROLS IN 24V CIRCUIT MUST NOT BE GROUND LEG TO TRANSFORMER.
LEAVE VENT DAMPER PLUG CONNECTED.
REMOVE JUMPER AND CONNECT SENSE TERMINAL ON TWO ROD APPLICATION ONLY.
CONTROLLER
COMBUSTION
AIR BLOWER
MOTOR
COMBUSTION
AIR BLOWER
RELAY
AIR
PROVING
SWITCH