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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-1
A Pilot Module
This appendix contains supplemental information
about the Honeywell S8600 Intermittent Pilot
Module. The Belshaw 718LCG, 724CG, and
734CG gas fryers all use this module. Fryers
using natural gas use the S8600F-1000. Fryers
using propane use the S8600H-1014.
Belshaw provides this appendix as a courtesy to
our customers. We deny any liability for the use
of the information contained herein. All of the
procedures explained below should be performed
by qualified technicians.
Checkout
WARNING
To avoid fire or explosion, resulting in
property damage, injury, or loss of life, if
you smell gas or suspect a gas leak, turn off
the gas at the manual service valve and
evacuate the building. Do not try to light
any appliance or touch any electrical
switch or telephone in the building until
you are sure no spilled gas remains.
WARNING
To avoid fire or explosion, resulting in
property damage, injury, or loss of life,
perform gas leak tests as explained in Steps
1 and 5 below at the time of initial
installation and at any time work is done
involving the gas piping.
Step 1: Perform Visual
Inspection
1. Make sure the fryer’s on/off switch is in the
OFF position. Make sure all wiring
connections are clean and tight. If they are
not, correct them.
2. Move the on/off switch to ON.
3. Open the manual shutoff valves in the gas
line to the fryer.
4. If the piping has been disturbed, perform a
gas leak test ahead of the gas control, as
follows:
a. Paint the pipe joints with a rich solution
of soap and water. Bubbles in the
solution indicate gas leaks.
b. If there are leaks, tighten the joints.
c. Test again for leaks.
d. Repeat this procedure until no leaks
exist.
Step 2: Review the Normal
Operating Sequence
Figure A-1 summarizes this information.
Trial for Ignition
When the fryer’s thermostat calls for heat, the
module energizes the first main valve operator.
The first main valve opens, allowing gas to flow
to the pilot burner. At the same time, the
electronic spark generator in the module
produces a spark pulse output of over 10,000
volts. The voltage generates a spark at the
igniter-sensor that lights the pilot.
If the pilot does not light, or if the pilot flame
current is not at least 1.0 μA and steady, the