Technical data

57
2000225294A
Diagram 16.13
16.15 (F24e/F28e ONLY) Central Heating
Return Thermistor
For access, refer to section 16.1.
Refer to diagram 16.12.
Remove the electrical connections from the thermistor.
Remove the thermistor and retaining clip from the flow pipe.
Fit the replacement thermistor using the heat sink compound
supplied.
Note: When reconnecting, the polarity of the wiring to thermistors
is unimportant.
16.15a (F28e SB ONLY) Central Heating
Return Thermistor
For access, refer to section 16.1.
Refer to diagram 16.12a.
Remove the electrical connections from the thermistor.
Remove the thermistor and retaining clip from the flow pipe.
Fit the replacement thermistor using the heat sink compound
supplied.
Note: When reconnecting the polarity of the wiring to thermistors
is unimportant.
16.16 Overheat Cutoff Thermistor
For access, refer to section 16.1.
Note: It may be necessary to remove transformer refer to
section 16.5.
Refer to diagram 16.13.
Positioned at the rear left under the fan.
Remove the electrical connections from the overheat cutoff
thermistor.
Remove the thermistor and retaining clip from the flow pipe.
Fit the replacement thermistor using the heat sink compound
supplied.
Note: When reconnecting the polarity of the wiring to thermistor
is unimportant.
16.17 Automatic Air Vent
For access, refer to section 16.1.
Refer to section 13.9 and drain the boiler heating circuit.
Refer to diagram 16.14.
Unscrew the automatic air vent.
Fit the new automatic air vent and 'O'ring ensuring the vent cap
is left loose.
Refill, vent and pressurise the boiler.
Check for leaks.
OVERHEAT
CUTOFF
THERMISTOR
12216
Diagram 16.12
CENTRAL HEATING
RETURN THERMISTOR
12222
Diagram 16.12a
CENTRAL HEATING
RETURN THERMISTOR
12245
(F24e/F28e ONLY)
(F28e SB ONLY)
16 Replacement of Parts