26
Mexico Slimline CF 3/40 & 3/50 -
Installation
SER
VICING
SERVICING
37 BOILER THERMOSTAT REPLACEMENT
1.
Lift off the front lower panel - Refer to
Frame 27.
2.
Pull off the thermostat knob.
3.
Remove the 2 screws and pull down the
control panel tabs clear of the top panel.
4.
Remove the thermostat phial from the
pocket - refer to Frame 27.
5.
Remove the bottom self tapper and remove
the cover.
6.
Remove the top self tapper and ease the
control box off the control panel.
7.
Remove the 2 self tappers to release the
thermostat bracket.
8.
Disconnect the electrical leads.
9.
Unscrew the thermostat nut to withdraw the
thermostat.
10.
Fit the new thermostat and re-assemble in
reverse order.
1.
Lift off the lower front panel. Refer Frame 27
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 bottom screw and remove the
cover from the control box.
6.
Remove the top screw and ease the control
box off the control panel.
7.
Disconnect the mains electrical supply from
the terminal strip and release from its clamp.
8.
Remove the 2 screws to release the
thermostat bracket.
9.
Disconnect the TTB thermostat leads from
the terminal strip and control thermostat.
Then release from its bush.
10.
Remove the thermostat phial from the pocket.
Refer to Frame 27.
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 reverse order.
38 CONTROLS PANEL REPLACEMENT
