Dean D50 Series, Инструкция по установке, эксплуатации и обслуживанию

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26
ü
If equipped with “Thermatron” solid-
state controller, check probe for
correct operation.
ü
The combination gas valve may be
defective; replace if necessary.
CAUTION
Do not attempt to turn the adjustment past the
stops or the controller will be damaged.
b. Main burner flames are small and appear
lazy; frying compound does not come up to
temperature quickly.
ü
Check gas pressure at the pressure tap
of the gas valve. Use dial type or
standard water-type U-gauge
manometer. With burner in operation,
the pressure should be 10 mbar for
natural gas, and 27.5 mbar for
propane.
ü
If not, remove the cover of pressure
regulator adjustment. Use screwdriver
to turn the adjusting screw clockwise
for increase gas pressure to burner, and
counter-clockwise to decrease
pressure. Replace cover and recheck
pressure. Reinstall pressure tap plug.
c. Signs of excessive temperature; frying
compound scorches and quickly becomes
discolored.
ü
Check operating thermostat. May be
out of adjustment or calibration.
Recalibrate if necessary.
ü
Check gas pressure as outlined above.
ü
Cooking compound of inferior quality
or has been used too long. Replace
cooking compound.
ü
May be a short circuit in the system.
Check wiring.
d. Fryer will not reach the temperature setting
and/or runs erratically.
ü
Incorrect location of sensor probe or
defective temperature sensor.
ü
Operating thermostat or “Thermatron”
controller defective.
e. Fryer oil temperature cannot be controlled;
fryer runs at high limit temperature.
ü
Defective operating thermostat or
“Thermatron” probe.
ü
Call Service Technician.
7.4
RECOMMENDED SPARE PARTS:
High Temperature
Limit Control
2687
Gas Safety Control
Valve
807-2091
Thermocouple 1149
14-0816 (for D50G)
Temperature Sensor
Probe
18-0109 (for D60G)
A more comprehensive parts listing can be
found in Chapter 9.