0108X1DHGBEN
18
3
Disconnect wires leading to the thermal
overheat cut off device terminals.
4
Unscrew qty. 2 burner tray fixing screws.
5
Withdraw the burner assembly by pulling
from its runners until it is released.
6
To reassemble reverse procedure 1 thru. 5.
FIGURE 14. BURNER ASSEMBLY REMOVAL
9.8
Note :
Appliances for use on propane or butane gas have
an aeration shutter fitted to the burner inlet air
venturi (see fig. 20). This device may also be
fitted to natural gas appliances which have been
converted. The shutter is set and sealed by a
multi- functional sealing plate marked LPG + NG.
Ensure it is correctly reset after any burner
service work is carried out.
9.10
To renew or service the gas valves :
Remove burner rack assembly as described 9.7
above. To dismantle valve from manifold, take
care when using spanners not to damage valve
bodies which are constructed from soft die cast
aluminium. It is necessary to remove the burner
manifold from the burner ribbon tray assembly to
unscrew the gas valve.
FIGURE 15.
DRAUGHT DIVERTER REMOVAL
Legend figure 15:
1.
Draught diverter securing screws left and right
hand side.
9.11
Electrical:
Check all visible wiring for damage, check terminal
security.
When removing for service or renewal any
electrical component follow a logical sequence to
ensure that replacement will be correct. Mark
wiring to ensure before disconnection to ensure
that circuits are re-connected correctly.
9.12
Flue system:
Check that flue is in good condition adequately
supported and that the flue and supports are free
from corrosion and that the flue is unobstructed.
Test for a positive updraught when re-
commissioning the appliance by using smoke
introduced into the draught hood slot at the front
of the air heater.
On flue systems fitted with a Reznor Euroventer
refer to the separate instructions supplied with the
Euroventer.
