Vulcan 24RRG User Manual download pdf (Page 16)

IGNITION MODULE TEST

NOTE: Sparking will continue until pilot flame is

established, at which point sparking will terminate. If

no pilot flame is established the sparking will continue

until power is removed from unit.

1. Turn on power switch.

2. Single solenoid valve energizes allowing gas to

flow to pilot burner.

3. Ignition module is energized and ignition starts.

4. If there is no spark then check the following.

A. Check for 120VAC at ignition module.

B. Verify spark gap is set at 1/8".

C. Inspect eletrode wire for damage and

continuity.

D. If component passes all above tests and is

not sparking, then replace ignition module.

Fig. 28

5. Pilot burner lights and flame is sensed. If

electrode continues to spark after pilot is lit then

check the following.

A. Verify the electrode is fully engulfed by pilot

flame.

B. Verify that ground wire from pin 1 is securely

grounded to chassis.

6. As long as the ignition control module is sensing

flame current, then the pilot will stay lit.

PILOT BURNER FLAME

ADJUSTMENT

Disconnect the

electrical power to the machine and

follow lockout / tagout procedures.

The RRG series griddle utilizes a solenoid valve and

straight compression fitting with needle valve

adjustment to control gas flow to pilot burners. One to

three pilot burners can be fed by one valve. One leg

of which may be branched.

1. Remove

CONTROL PANEL.

2. Remove dual solenoid valve connectors.

Fig. 29

NOTE: Removing the dual solenoid valve connectors

will prevent the main burners from lighting.

3. Connect power to machine.

4. Turn on power switch, and adjust temperature

control to call for heat.

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. Locate the proper needle valve and adjust.

RRG SERIES HEAVY DUTY GAS GRIDDLE - SERVICE PROCEDURES AND ADJUSTMENTS

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Vulcan 24RRG User Manual Page 16

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