Concord CX -
Installation
27
42 PC BOARD ‘NO. 6A’
43 PC BOARD ‘NO. 1C’
SERVICING
1.
Remove the lower front panel.
2.
Slacken the 2 screws securing the control box front
panel. Carefully lift it up and swing it forward.
3
. Slacken the 10 screws securing the LH side terminal
strip on board ‘No. 6A’ (
not the screws holding the wires
but the screws holding the board connections
) and the
8 screws on the LH side of board ‘No. 1C’.
Board ‘No. 6A’ can now be removed by squeezing in
the retaining barbs.
4.
Remove the 2-way terminal strip at the top RH side of
board ‘No. 6A’ and fit it to the new board.
5.
Re-assemble in reverse order, tightening all screw
connections.
1.
Remove the lower front panel.
2.
Slacken the 2 screws securing the control box front
panel.
Carefully lift it up and swing it forward.
3.
From board ‘No. 1C’ pull out the plug from the
thermostat potentiometer and the plug from the
thermostat sensor.
4.
Slacken the 8 screws on the LH side of board ‘No. 1C’.
5.
The board can now be removed to the RH side by
undoing its 2 retaining screws and by squeezing in the
retaining barbs on the 2 plastic supports.
6.
Fit the new board in reverse order, tightening all
screws, and replug the sensor and potentiometer.
44 COMBUSTION CHAMBER INSULATION REPLACEMENT
The insulation boards used in the combustion chambers
of these products contain man-made fibres, refractory
fillers, organic and inorganic binders and as such are
deemed to be harmless to humans.
Caradon Plumbing Limited
, however, recommend that
for your own comfort and to comply with good working
practise the procedure described below is followed.
IMPORTANT. Turn OFF
the gas and
DISCONNECT
the
electricity supply.
To replace the insulation boards the major boiler
components (including the heat exchanger and burners)
have to be removed to gain access to the combustion
chamber.
Prior to removal of the boards the
following protective equipment should be
worn:
• Face mask supplied with the spare part.
• Gloves supplied with the spare part.
1
Damp down the combustion chamber area containing
the insulation boards.
2.
Remove the insulation boards. The replacement boards
are supplied in a plastic bag. This bag should be
retained and the discarded boards should now be
placed into it.
3.
Sweep any dampened particles and place in the plastic
bag.
4.
Fit new insulation boards.
5.
Remove the gloves and face mask and place them in
the plastic bag.
6.
Wash your hands and any areas of skin which may have
come into contact with any of the particles from the
insulation board.
7.
Seal the plastic bag and dispose of it and its contents
into a commercial tip.
SER
VICING
Summary of Contents for Concord CX40
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