15
To Reset
Remove the upper control box rear panel as
described in 3.3.3. Push the reset button on
the body of the high limit thermostat.
To Replace
a) Remove the spark ignition module as
described in 3.4(a).
d) Replace in reverse order following the same
b) Remove 2 screws holding the limit thermostat.
c) Remove high limit thermostat.
procedures.
To Check Operation
Operation of the high limit thermostat must be
checked regularly. Use the following procedure:
a) Remove the upper control box from panel as
described in Paragraph 3.3.
b) Fill the pan with unused oil to the indicated mark.
Place a thermocouple or thermometer 25 mm
below the oil surface in the middle of the pan.
WARNING
DO NOT OVERFILL WITH OIL OR FIRE MAY
RESULT!
c) Ensure that the electrical power is off before
continuing. Disconnect the leads from the
operating thermostat. Connect the leads together
using the terminal block. This effectively removes
the operating thermostat from the circuit. It may
also be bypassed with a jumper across the
thermostat terminals.
d) Switch the unit back on and light the unit as
described in the lighting instructions. The
burners will light and heat up the pan.
DO NOT LEAVE THE APPLIANCE DURING THIS
TEST.
e) If the high limit thermostat is functioning correctly,
the gas supply will cut off as the temperature
reaches 205 to 225ºC. Once the high limit
thermostat has tripped, switch off the mains
electricity. Reconnect the operating thermostat
and replace all panels.
f) If the high limit thermostat switches, but not at the
specified temperatures, the thermostat requires
replacement. Rejected thermostats must be
logged and returned.
g) To remove, see replacement procedures above.
NOTE: After this test, reconnect the regulating
thermostat wires.
Calibration
The high limit thermostat is of the fixed type. Its
calibration point may not be adjusted.
WARNING
IF THE HIGH LIMIT THERMOSTAT FAILS TO CUT
OFF AT 230ºC IMMEDIATELY TURN OFF THE
GAS SUPPLY. CONDUCT AN INVESTIGATION
TO DETERMINE THE FAULT, AND CORRECT IT
BEFORE USING THE APPLIANCE AGAIN.
3.11 Removal of Burners (Turn gas and
electricity mains off)
a) Undo and remove the front two retaining nuts of
the burner guard.
b) Undo the two retaining nuts at the side of the
burner guard. Do not fully remove. The burner
guard will swivel back to allow access to the
burners.
c) Undo and remove the retaining screws holding
the burners.
d) Remove burner.
e) Replace in reverse order.
3.12 Removal of Ignition Electrode (Turn
gas and electricity mains off)
a) Disconnect electrical leads from ignition electrode.
This electrode is also the sensing electrode.
b) Remove ignition electrode from bracket.
c) Replace ignition electrode.
d) Replace electric leads.
e) Check that the distance between the igniter and
burner is within specified tolerances. Ensure
that smooth, rapid ignition is achieved once the
new spark igniter is in place.
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