Ideal Boilers Classic FF 380 P, Installation And Servicing

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30 Classic FF -
Propane Installation & Servicing
SERVICING
Refer also to Frame 56.
A. Remove the fixing screws
B. Swing the control box down into the servicing position.
59 THERMOSTAT CONTROL, THERMISTOR SENSOR LEAD & ON/OFF SWITCH
REPLACEMENT
Thermostat control
1. Pull the knob off the shaft.
2. Remove the backnut securing the thermostat control to
the control box.
3. Pull off the Molex connector from the printed circuit
board.
4. Replace and reassemble in reverse order.
Thermistor sensor lead
5. Pull the sensor lead connector off the printed circuit
board and cut the cable strap securing the thermistor
harness to the bottom panel of the control box (if fitted)
and remove the strap.
6. Remove the sensor from the heat exchanger pocket
and unclip from the back panel.
7. Remove the strain relief bush from the back panel
base.
8. Remove the sensor
lead through the
grommet in the control
box.
9. Replace and
reassemble in reverse
order, ensuring the
new cable strap is
fitted and securing the
thermistor harness.
On/off switch
10. Disconnect the
electrical connectors
from the rear of the
switch.
11. Press in the 2 side
retaining clips and
remove the switch.
12. Reassemble in
reverse order.
SER
VICING