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Belshaw Bros., Inc. • 1750 22
nd
Ave. S. • Seattle, WA 98144 • Phone 206-322-5474 • Fax 206-322-5425
A-2 MN-1141EN 718LCG, 724CG, and 734CG Gas Fryers
module will not energize the second main valve,
and the main burner will not light. The S8600F,
which is used on natural gas fryers, will continue
to spark as long as the fryer’s thermostat calls for
heat or until the pilot lights.
The S8600H, which is used on propane fryers,
provides 100 percent shutoff and safety lockout.
Its ignition sparks only for a pre-set length of
time (15 or 90 seconds, as stamped on the
module). If the pilot does not light within the
timed trial for ignition period, the module goes
into safety lockout, de-energizing the first main
valve operator, closing the first main pilot valve
in the gas control, and stopping the flow of gas to
the pilot. You must then set the fryer’s
thermostat below 200°F/93°C, move the on/off
switch to OFF, and wait at least one minute
before trying again to light the pilot.
Main Burner Operation
When the pilot flame is established, a flame
rectification circuit is completed between the
sensor and the burner ground. The flame sensing
circuit in the module detects the flame current,
shuts off the spark generator, and energizes the
second main valve operator. The second main
valve opens and gas flows to the main burner,
where it is ignited by the pilot burner. On the
S8600H, the safety lockout timer is held in the
normal operating mode.
When the thermostat no longer calls for heat,
both valve operators are de-energized, and both
valves in the gas control close.
Step 3: Reset the Module
1. Turn the thermostat to its lowest setting.
2. Wait at least one minute.
Step 4: Check Safety Shutoff
Operation
This step applies only to the S8600H, which is
used on propane fryers.
1. Turn the gas supply off.
2. Set the fryer’s thermostat above
200°F/93°C.
Watch to see whether there is a spark at the
pilot burner immediately.
3. Time the spark from the time it starts to the
time it shuts off.
4. Compare this time with the shutoff time that
is stamped on the module. They should be
the same.
5. Open the manual gas cock and make sure
that no gas is flowing to the pilot or main
burner.
6. Set the fryer’s thermostat below 200°F/93°C
and wait at least one minute before
continuing.