VR9105V, F AND VR9205V, F DIRECT IGNITION GAS CONTROL WITH INTEGRATED 1:1 REGULATOR
7
69-2471EF—01
IMPORTANT
Adjustments must be made in the final gas valve
mounting position to avoid shift caused by the
orientation.
• Turn offset adjustment screw counter clockwise
to increase or clockwise to decrease outlet pres-
sure.
• Replace and tighten cap screw and pressure tap
plugs.
Check Safety Shutdown
Performance
WARNING
Fire or Explosion Hazard.
Can cause severe injury, death, or property
damage.
Perform the safety shutdown test any time work is
done on a gas system.
NOTE: Read steps 1 through 7 before starting, and
compare to the safety shutdown or safety
lockout tests recommended for the direct ignition
(DI) module. Where different, use the procedure
recommended for the module.
1.
Turn off gas supply.
2.
Set thermostat or controller above room
temperature to call for heat.
3.
Watch for ignition spark or for glow at hot surface
igniter either immediately or following prepurge.
See DI module specifications.
4.
Time the length of spark operation. See the DI mod-
ule specifications.
5.
After the module locks out, connect the plug to the
coil connector and make sure no gas is flowing to
the main burner.
6.
Set the thermostat below room temperature and
wait one minute.
7.
Operate system through one complete cycle to
make sure all controls operate properly.
MAINTENANCE
Under normal circumstances no maintenance or service
is required.
WARNING
Fire or Explosion Hazard.
Can cause property damage, severe injury,
or death.
Do not disassemble the gas control; it contains no
replaceable components. Attempted disassembly,
repair, or cleaning can damage the control,
resulting in gas leakage.
SERVICE
WARNING
Fire or Explosion Hazard.
Can cause severe injury, death, or property
damage.
Do not disassemble the gas control; it contains no
replaceable components. Attempted disassembly,
repair, or cleaning can damage the control,
resulting in gas leakage.
CAUTION
Equipment Damage Hazard.
Can burn out thermostats or other
components in the control string.
Never apply a jumper across (or short) the valve
coil terminals, even temporarily.
IMPORTANT
These gas controls are shipped with protective
seals over the inlet and outlet ports. Do not
remove the seals until ready to install adapters
or connect the piping.
After servicing, verify proper system operation.
If Main Burner Does Not
Come On With Call For Heat
1.
Confirm the plug is connected to the coil connector.
2.
Adjust thermostat several degrees above room
temperature.
3.
Using an AC voltmeter, measure across terminals 1
and 5 on the gas valve. See Fig. 7.
4.
If voltage is incorrect or not present, check control
circuit for proper operation.
5.
If proper voltage is present, replace gas control.
Fig. 7. Coil connection.
PIN NUMBER 1 2 3 4 5
V1
V2
M32196
