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TROUBLE SHOOTING AND ADJUSTMENTS
Adjustments
The burner used on your US Range Fryer is a patented
design which does not require primary air, so no primary air
adjustment is possible. When the proper gas is being used,
at the proper pressure, and the ceramic targets are adjusted
properly, combustion will begin about even with the bottom
of the ceramic. The sound that is characteristic is a low roar,
similar to a blowtorch.
The correct type of gas and BTU content for which the fryer
was equipped at the factory is noted on the nameplate, and
this gas must be used.
NEVER THROTTLE DOWN THE INCOMING GAS IN AN EFFORT
TO MAKE THE FLAME BURN DIRECTLY ON THE ORIFICE.
Possible Causes
1
Thermostat does not call for heat
(does not open gas valve at all).
a. Lead wires damaged.
b. Set too low.
c. Out of calibration
d. Thermostat defective
2. Thermostat does not control set point
a. Out of calibration.
b. Contaminated or burned contacts
c. Knob of thermostat loose on shaft
Part # 4518632 (02/19/08)
A piece of mechanical equipment which is used as hard as
a deep fat fryer is going to require service as the fryer gets
older; therefore, the following chart outlines problems that
are most likely to occur and what to do to correct them.
There are several possible sources of trouble in connection
with the operating thermostat. Usually the trouble will be
noticed by either the thermostat not causing the gas valve to
open, or by causing it to open at the wrong temperature. If
it opens the gas valve at the wrong temperature, it is said to
be out of calibration. If all the other parts of the appliance are
operation as they should, the following chart will help locate
the source of trouble and correct it.
Remedy
1
See Below:
a. Repair or replace wires on thermostat.
b. Raise setting.
c. Re-calibrate
d. Replace
2 See Below:
a. Re-calibrate
b. Replace thermostat
c. Calibrate thermostat and tighten set screws.
Page 13
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