B. BEFORE OPERATING, smell all around appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and
will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
C. Use only your hand to turn gas control knob. Never use tools. If knob will not turn by hand, do not try to repair it. Call a qualified service
technician. Force or attempted repair may result in a fire or explosion.
D. Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace
any part of control system and any gas control which has been under water.
GAS VALVE OPERATING INSTRUCTIONS
PROCEDURE 1—INTERMITTENT IGNITION BOILER—VR8204A/VR8304M GAS VALVE
A. To Turn On Gas To Appliance
1. STOP! Read safety information in For Your Safety Read Before Operating section.
2. Set thermostat to lowest setting.
3. Turn off all electrical power to appliance.
4. This appliance is equipped with an ignition device which automatically lights the pilot. Do NOT try to light pilot by hand.
5. Remove lower front panel.
6. Turn gas control knob clockwise to OFF position. (See Fig. 18.)
7. Wait 5 minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow "B" in safety information
in For Your Safety Read Before Operating section.
8. Turn gas control knob counterclockwise to ON position. (See Fig. 18.)
9. Replace lower front panel.
10. Turn on all electrical power to appliance.
11. Set thermostat to desired setting.
12. If appliance will not operate, follow instructions "To Turn Off Gas To Appliance" and call your service technician or gas supplier.
B. To Turn Off Gas To Appliance
1. Set thermostat to lowest setting.
2. Turn off all electric power to appliance if service is to be performed.
3. Turn gas control knob clockwise to OFF position. (See Fig. 18.) Do not force.
PROCEDURE 2—CONTINUOUS PILOT BOILER—VR8200A/VR8300A GAS VALVE
A. To Turn On Gas To Appliance
1. STOP! Read safety information in For Your Safety Read Before Operating section.
2. Set thermostat to lowest setting.
3. Turn off all electrical power to appliance.
Fig. 18—VR8204A/VR8304M Intermittent Ignition Gas Valve
A95520
GAS CONTROL
KNOB SHOWN
IN "ON" POSITION
PILOT
ADJUSTMENT
(UNDER CAP
SCREW)
GAS
INLET
INLET
PRESSURE
TAP
WIRING
TERMINALS (3)
OUTLET
PRESSURE
TAP
GROUND
TERMINALS (2)
GAS
OUTLET
PILOT
OUTLET
OFF
ON
PRESSURE REGULATOR
ADJUSTMENT
(UNDER CAP SCREW)
—20—
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