27
Mexico Super CF 3/60P - 3/140P -
Installation
44 OVERHEAT THERMOSTAT REPLACEMENT (if fitted)
SERVICING
43 CONTROLS PANEL REPLACEMENT
1.
Lift off front lower panel. Refer to Frame 28.
2.
Slacken the screw at the thermostat pocket and
withdraw the phial from the pocket.
3.
Remove the thermostat backnut.
4.
Remove the 2 Eco leads.
5.
Fit the new thermostat (lead polarity immaterial),
ensuring that the alignment peg on the thermostat
sits in the small hole adjacent to the main fixing hole,
and reassemble in reverse order.
6.
Replace the lower front panel.
7.
Check the operation of the boiler.
1.
Lift off the lower front panel. Refer to Frame 28
2.
Pull off the thermostat knob.
3.
Disconnect the electrical connections from the
gas valve.
4.
Unscrew the 2 screws and pull down the
control panel so that the 2 tabs clear the top
panel.
5.
Remove the thermostat phial from the pocket.
Refer to Frame 28.
6.
Remove the bottom screw and remove the
cover from the control box.
7.
Remove the top screw and ease the control
box off the control panel.
8.
Disconnect the mains electrical supply from
the terminal strip and release from its clamp.
9.
Remove the 2 screws to release the
thermostat bracket.
10.
Disconnect the TTB thermostat leads from the
terminal strip and control thermostat, then
release from its bush.
11.
On the new control box gain access to the control
thermostat as described above.
12.
Discard the control thermostat lead that connects to
terminal strip marked 'L
G
'.
13.
Reconnect the TTB thermostat lead to the control
thermostat and terminal strip marked 'L
G
'.
14.
Assemble new control box and panel and fit to the casing,
in reverse order.
SER
VICING
Summary of Contents for 4134899
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