13 Réf. : CH - 1254 - I - 0 - EN
10.0 CHANGING COMPONENTS
IMPORTANT : When changing components ensure
thatboth the gas and electrical supplies to the boiler are
isolated before any work is started.
Undo the two securing screws from the rear of the top
panel. Remove the panel.
Disengage the retaining magnets at the top of the front
panel and hinge forwards. Unhook the panel from the
lower hinge pins.
10.1 Boiler Thermostat
1. Swivel the two retaining plates through 90°. Lift the
control box slightly and allow it to hinge forwards.
Undo the two retaining screws and remove the cover
panel
2. After noting their position remove the wires from the
thermostat body. Turn the thermostat knob fully
anticlockwise and pull it off.
3. Remove the screws securing the thermostat to the
control panel and pull off the earth wire.
4. Pull the spring clip off the thermostat pocket. Withdraw
both the boiler and overheat thermostat phials and
the spacer tube from thepocket.
5. Take the new thermostat and turn the operating shaft
fully anticlockwise.
6. Reassemble in reverse order. The securing screw
incorporating the pin must be used on the right.
Ensure both phials and the spacer tube are pushed
fully into the thermostat pocket and the capillaries are
retained by the clip.
10.2 Boiler Safety Thermostat
1. Swivel the two retaining plates through 90°. Lift the
control box slightly and allow it to hinge forwards.
Undo the two retaining screws and remove the cover
panel.
2. After noting their position pull the wires from the
thermostat body .
3. Remove the locknut securing the thermostat to the
control panel.
4. Pull the spring clip off the thermostat pocket. Withdraw
both the boiler and overheat thermostat phials and
the spacer tube from the pocket.
5. Reassemble in reverse order, ensuring both phials
and the spacer tube are pushed fully into the thermos
tat pocket and the capillaries are retained by the clip.
Front Panel
Magnets
Top Panel
Securing
Screws
N04327.DSF
Cover Panel
N04339.DSF
002163-01
N02164.DSF
Spring
Clip
Thermostat
Phials
Spacer
Tube
Thermostat
Securing Pin
Screw
Control Knob
Securing Screw
Earth Wire
Lock Nut
Safety Thermostat
N04336.TIF
N04335.TIF
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