47Instructions for installation and servicing ecoTEC 839592_12
Inspection and maintenance 7
10
9
8
4
5
7
6
Fig. 7.7 Refitting the burner module
• Insert the burner module (9) in the integral
condensation heat exchanger (10).
• Tighten the four nuts (4) on the alternate left and
right sides until the burner door fits closely and
uniformly to the stop surfaces.
• Reconnect the HT lead (5) and earth lead (6) to the
spark electrode.
• Insert the cables (8) on the fan motor and the cable
(7) on the gas fitting.
2
3
1
Fig. 7.8 Refitting the gas supply
• Reconnect the gas supply (3) to the gas valve,
ensuring that a new sealing washer is used and
correctly located. Use the spanner flat at the flexible
gas line to hold the gas fittings.
11
Fig. 7.9 Testing the gas supply for soundness
• Turn on the gas supply and test for soundness. Check
especially the screwed connections (3) and (11).
• Refit the air inlet pipe, ensuring that the blue seal in
the air intake pipe is correctly located.
7.3 Cleaning the condensate siphon
Danger!
Note that if the boiler is run with an empty
condensate trap there is a danger that fumes
might escape into the room and cause
poisoning. For this reason, it is important to
ensure that the trap is topped up each time the
unit is cleaned.
1
Fig. 7.10 Cleaning the condensate siphon
• Remove the lower part (1) of the condensate siphon by
turning the bayonet catch in anticlockwise direction.
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