32
REPLACEMENT OF PARTS
9
Before commencing any service operation, ISOLATE the mains
electrical supply and TURN OFF the gas supply at the main service
cock.
Replacement of most parts first requires the removal of the sealed
chamber front panels; refer to section 6.2.
There may be some slight water spillage; so electrical components
should be protected.
It is the law that any service work must be carried out by a
registered person.
Refer to Figure 31
a)
Ensure supply voltage is isolated, and that the gas supply is
isolated.
b)
Remove the gas control valve, fan & burner assembly; refer to
section 6.2.
c)
Unscrew the two screws holding the electrode, remove
electrode, and used gasket.
ELECTRODES
9.1
IGNITION AND DETECTION
Refer to Figure 32
a)
Ensure supply voltage is isolated.
b)
Remove the plug and earth lead from the ignition electrode.
c)
Remove the electrical supply leads.
d)
Unscrew the two screws holding the igniter unit, remove igniter
unit.
e)
Fit the new igniter unit.
f)
Re-assemble in reverse order; ensure that the igniter unit is
orientated as shown in Figure 32, and that the brown electric
supply lead is fitted to position 1 on the igniter unit.
g)
Ensure that all joints and seals are correctly re-fitted.
9.2
IGNITER UNIT AND IGNITION LEADS
31
32
IGNITOR UNIT AND IGNITION LEADS
d)
Fit the new electrode, and new gasket.
e)
Check that electrode is aligned as detailed in Figures 26(a) or 26(b).
f)
Re-assemble in reverse order. Ensure that all joints and seals
are correctly re-fitted.
Summary of Contents for Eden CBX
Page 13: ...4b Domestic Hot Water Mode CBX 4c Central Heating Mode SBX 11...
Page 28: ...26 24 CBX SBX...
Page 31: ...INTERNAL WIRING DIAGRAMS 7 7 1 FUNCTIONAL FLOW WIRING DIAGRAM 29 29...
Page 44: ...42 54 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24...
Page 45: ......
Page 46: ......
