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Belshaw Bros., Inc. • 1750 22
nd
Ave. S. • Seattle, WA 98144 • Phone 206-322-5474 • Fax 206-322-5425
718LCG, 724CG, and 734CG Gas Fryers MN-1141EN A-3
Figure A-1. Normal Operating Sequence.
START
TRIAL FOR
IGNITION
MAIN
BURNER
OPERATION
Thermostat calls for heat.
First main valve opens.
Gas flows to pilot burner.
Igniter-sensor sparks.
Pilot burner lights.
Module senses flame current.
Pilot burner does not light, or
module does not sense flame current.
Module S8600H
Module S8600F
Ignition spark continues.System locks out.
Operator turns thermostat
below 200°F/93°C, moves
on/off switch to OFF, and
waits at least one minute.
After no more than 5 minutes,
operator turns thermostat
below 200°F/93°C, moves
on/off switch to OFF, and
waits at least one minute.
Sparking stops.
Second main valve opens.
Module monitors pilot flame
cu rre nt.
Thermostat stops
calling for heat.
Pilot flame fails. Power is interrupted.
System shuts off. (Restarts
when power is restored.)
Main valve closes. Valves close.
Burners shut off.