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 as described in section
1 PREPARING THE BOILER F
OR SERVICING
operation A.
c) Remove locking nut securing thermostat to control panel.
d) Disconnect the two blue wires from the thermostat terminals.
f) Remove the split pin retaining the thermostat bulb and withdraw the bulb wit
h its spacer from the pocket. Remove capillary from its routing clips. See
FIG.
2.
g) Replacement is the reverse of removal. Ensure that the spacer is correctly
positioned to retain the thermostat bulb in the bottom of pocket.
Page 23
SERVICING INSTRUCTIONS - Page 24
FIG. 21. FAULT FINDING CHART
Page 24
SHORT PART LIST - Page 25
P.I.L.
G.C.
Key No.
Part No.
Part No.
1
Pilot and electrode assembly S.l.T.
214185
337 685
2
Pilot injector, 0.27mm S.l.T.
402892
395 674
3
Electrode, S.l.T.
402995
395 720
4
Electrode lead
407696
337 628
5
Thermocouple, S.l.T.
402918
381 713
6
Gas control valve
402923
381 749
7
Burner Injector, 2.9mm
410965
337 374
Содержание CF 20/35
Страница 4: ......
Страница 5: ...Page 4 INSTALLATION DATA Page 5 FIG 2 GENERAL ARRANGEMENT...
Страница 6: ...Page 5...
Страница 17: ...FIG 4 OPEN VENTED FULLY PUMPED SYSTEM FITTED WITH A COMBIN ED FEED AND VENT Page 10 TECHNICAL DATA Page 11...
Страница 18: ...FIG 5 FULLY PUMPED SEALED SYSTEM FIG 6 OPEN VENTED GRAVITY DOMESTIC HOT WATER AND PUMPED CENTRAL HEATING SYSTEM...
Страница 43: ...Page 25...