b) Remove boiler case and combustion chamber front panel as described in s
ection
1 PREPARING THE BOILER FOR SERVICING
operations A and B.
c) Remove the burner assembly as described in section
2. MAIN BURNER AS
SEMBLY - REMOVAL AND CLEANING
operations A, B, C, D.
d)
To remove the insulation from the front, rear and door, bend back the retainin
g tabs and lift out.
To replace the side insulation it is necessary to first remove the front and rear
insulation as previously described. Then remove the clips securing heat reflect
or plates to thelocating studs on the base of the combustion chamber and lift o
ut reflector plates. Bend back retaining tabs and lift out insulation.
e) Replacement is the reverse of removal.
f) Follow the full commissioning procedure as detailed in the
COMMISSIONIN
G
section of these instructions.
PILOT VIEWING WINDOW
a) Switch off the external electricity supply by disconnecting the plug at the so
cket or switching off external isolating switch.
b) Remove boiler case and combustion chamber front panel as described in
1
PREPARING THE BOILER FOR SERVICING
(operations A and B).
c)
Release the viewing window retaining frame by straightening the tabs which p
ass through the combustion chamber front panel. Remove the frame and lift o
ut the glass.Take care not to damage the sealing gaskets when dismantling.
d) Replacement is the reverse of removal.
ELECTRODE LEAD
a) Switch off the external electricity supply by disconnecting the plug at the so
cket or switching off external isolating switch.
b) Remove boiler case and combustion chamber front panel as described in
1
PREPARING THE BOILER FOR SERVICING
(operations A and B.)
c) Pull off electrode lead from spark generator and electrode. Remove the split
grommet and withdraw the electrode lead through the hole in burner mountin
g flange.
Summary of Contents for CF 20/35
Page 4: ......
Page 5: ...Page 4 INSTALLATION DATA Page 5 FIG 2 GENERAL ARRANGEMENT...
Page 6: ...Page 5...
Page 43: ...Page 25...
