6.
Main burner valve energized by main valve
output (pin 5) from ignition module allowing gas
flow to burner and the burner lights.
RADIANT BURNER - PILOT FLAME
ADJUSTMENT
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
The VCCG series griddle with Radiant burner utilizes
a gas valve (dual solenoid) and 90° elbow
compression fitting with needle valve adjustment to
control gas flow to pilot burner. Each 12" griddle
section has individual controls.
1.
Turn thermostat knob to the off position.
2.
3.
Connect power to machine and turn power switch
on.
4.
Ignitor begins sparking and pilot valve opens to
allow gas to pilot.
A.
If flame envelops 3/8" to 1/2" of the ignitor/
flame sense electrode, pilot burner is
adjusted properly.
B.
If flame is outside of specified range,
continue with procedure.
5.
6.
Locate the needle valve and adjust.
Fig. 36
A.
To increase pilot flame turn valve needle
counterclockwise
. To decrease pilot flame,
turn valve needle
clockwise
.
7.
Once pilot flame is adjusted correctly, turn
thermostat knob to call for heat.
8.
Verify pilot burner remains lit when burner lights.
Adjust pilot flame as necessary.
9.
Disconnect power to machine.
10. Install front and rear panels.
11. Check for proper operation.
GAS VALVE TESTS
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
1.
2.
Connect power to machine.
3.
Turn on power switch and adjust temperature
controller to call for heat.
Fig. 37
4.
Check for 120VAC to the gas valve (dual
solenoid) - Main burner solenoid valve (terminals
1 & 2) and Pilot solenoid valve (terminals 3 & 4).
A.
If no voltage to either one of the solenoid
valves, check wiring connections.
B.
If pilot solenoid valve has no voltage,
perform IGNITION MODULE TEST.
VCCG Series Heavy Duty Gas Griddle - SERVICE PROCEDURES AND ADJUSTMENTS
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