Technical data

20
6.14 ELECTRODE (fig. 21 & 22)
Carry out component removal procedure as de-
scribed in section 6.4.
Unclip and remove the air chamber cover.
Remove the electrode lead. Remove the 2 screws
that secure the electrode to the combustion cover,
and gently withdraw the electrode.
Replace in the reverse order ensuring that the
electrode seal is in good condition, and that the
combustion cover insulation board is undisturbed.
6.15 INJECTOR (fig. 23)
Carry out component removal procedure as de-
scribed in section 6.4.
Unclip and remove the air chamber cover.
Remove the fan as detailed in section 6.12 using
a 17 mm socket, locate and unscrew the injector.
Replace in the reverse order.
6.16 AUTOMATIC BY-PASS ASSEMBLY (fig. 27)
Carry out component removal procedure as de-
scribed in 6.4.
Disconnect and remove the flow pipe and
expansion pipe from the manifold assembly. Using
a suitably shaped screwdriver, lever out the auto
6.17 CONDENSE TRAP (see fig. 24)
Carry out component removal procedure as
described in section 6.4. Disconnect the pressure
switch tube from the condense trap. Disconnect
both the inlet and outlet connections from the
trap. Carefully withdraw the trap, keeping it upright
to avoid spillage. Replace in the reverse order.
6.18 CONDENSE PRESSURE SWITCH (fig. 25)
Carry out component removal procedure as
described in section 6.4.
Unclip and remove the air chamber cover.
Disconnect the electrical wiring and pressure
tube from the pressure switch. Remove the
retaining screws and/or clip.
Replace in the reverse order.
6.19 COMBUSTION COVER (fig. 26)
Carry out component removal procedure as
described in section 6.4.
Unclip and remove the air chamber cover.
Remove the gas valve as described in section
6.11. Remove the condense pressure switch as
described in section 6.20. Disconnect the electrical
connection from the fan, disconnect the spark
electrode lead and earth wire from the spark
electrode. Locate and remove the twelve 10 mm
securing nuts. Carefully remove the combustion
cover from the locating studs. Remove the
combustion cover from the air chamber,
withdrawing it at a slight angle from the right hand
All dimensions in mm.
Fig. 22
Injector
Fan
Burner plate
Fig. 23
Fig. 24
Inlet connection
Pressure
switch connection
Outlet connection
Fig. 26
Fig. 25
Condense
pressure switch