Adjusting The Pilot Flame; Calibrating The Thermatron - Frymaster Dean FPHD Service & Parts Manual

HIGH EFFICIENCY DECATHLON SERIES GAS FRYERS

1.5 Adjusting the Pilot Flame

1.5.1 Main Pilot
1. Remove the cap from the pilot adjustment screw hole on the gas valve.
2. Using a small, flat-tipped screwdriver, turn the pilot adjusting screw counterclockwise to
increase length of flame or clockwise to decrease length of flame. Adjust to obtain a flame from
1 inch to 1½ inches long.
3. Reinstall the pilot adjustment screw cap.
1.5.2 Trailing Pilot
Unlike older Decathlon units, current production HD units do not have a trailing pilot adjustment.

1.6 Calibrating the Thermatron

1. Fill the frypot to the lower OIL-LEVEL line with cooking oil. If solid shortening is used, it must
be melted before starting the calibration procedure.
2. Ensure the fryer ON/OFF switch is in the OFF position and light the pilot.
3. Place the fryer ON/OFF switch in the ON position. Set the potentiometer dial to 325°F (162°C).
4. Allow the oil to equalize at setpoint temperature. This is evident when the burners have cycled
on and off several times.
5. Insert a thermometer or pyrometer into the frypot within 3 inches of the probe bulb. Ensure the
tip of the thermometer/pyrometer does not touch the frypot burner tube.
6. If the temperature on the thermometer is higher or lower than 325°F (162°C), the knob is out of
calibration.
7. Calibrate the knob by first loosening the setscrew and slowly turning the knob to match the
temperature reading of the thermometer. Tighten the setscrew, ensuring the knob does not move
on the shaft during tightening.
8. Allow burners to cycle on and off several times, then recheck oil temperature as described in
Step 5. If the thermostat dial temperature matches the thermometer temperature, the thermostat
is calibrated. If not, repeat Step 7.
CHAPTER 1: SERVICE PROCEDURES
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