10
If the temperature differential is large than 75ºF, there is probably a problem with your system. It may not be the
thermostat. First make sure you thermostat probe is flat against the griddle plate and is making good contact.
Dirt under the probe will cause inaccurate readings. Next make sure the thermostat bulb is held tightly in its
holder. If you can pull the capillary tube and the bulb moves it is not held tight enough against the griddle plate.
This will cause variations in the temperature of the griddle surface. If both of these items have been checked
and you still have a differential over 75ºF then the thermostat is bad replace it.
Determine the average temperature
Note the temperature for each section of the griddle as the burners ignite.
Note the temperature for each section of the griddle as the flame extinguishes.
The flame extinguish temperature plus the flame ignition temperature divided by two equals the average
temperature.
EXAMPLE:
Flame extinguished 367ºF
Flame ignition 341ºF
708º / 2
Average temperature = 354ºF
If the average temperature is within 15ºF of the dial marking you probably leave the calibration where it is. If the
average temperature is outside of 15ºF of the dial setting you will want to calibrate the thermostat. To calibrate a
thermostat first remove the knob by pulling it straight off the shaft. Next take a small flat head screw drive and
turn the screw inside the shaft, clockwise to decrease, counterclockwise to increase. ¼ turn clockwise will
decrease the temperature approximately 24ºF. ¼ turn counterclockwise will increase the temperature
approximately 24ºF. Adjust and re-measure the average temperature until you get the temperature to your
desired point.
NOTE: avoid making more than ½ turn at a time. Calibration is not linear and you can get the thermostat
significantly out of calibration to a point where it is difficult to reset.
If after adjusting the thermostat three times and getting no change in calibration the thermostat is bad. Then
replace the thermostat.
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Содержание GGM -24i
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