Parts replacement
Instructions for installation and servicing ecoTEC 839592_13
69
9
1
3
2
4
Fig. 9.2 Dismantling fan with gas fitting
>
Pull out the plug (
4
) from the gas valve.
>
Pull out the plug (
3
) from the fan.
>
Remove the three screws (
2
) on the burner module
(
1
).
>
Remove the complete “gas valve/fan” unit.
5
Fig. 9.3 Gas fitting/fan screwed joint
>
Remove both fixing screws (
5
) on the gas valve and
remove the fan from the gas valve.
>
Replace the defective component.
b
Caution!
Risk of material damage from incorrect
installation!
The gas valve and fan may be damaged.
>
Fit the gas valve and the fan in the same
position as before.
>
Screw on the fan with the gas valve. Use new seals.
>
Install the complete “gas valve/fan” unit in reverse
sequence.
>
After completing the work, check for gas leaks and
perform a function check (see section 7.6).
9.4
Replacing expansion vessel
a
Danger!
Risk of personal injury and/or material
damage as a result of improper installation!
You need to follow the corresponding safety
instructions in order to safely replace the
component.
>
Before replacing the component, comply
with the safety instructions in section 9.1.
>
Disconnect the appliance from the mains as described
in Section 9.1, and close the service valve in the gas
supply pipe.
>
Close the flow and return service valves and drain the
water from the boiler.
1
2
3
4
Fig. 9.4 Replacing expansion vessel
>
Undo the nut (
4
) on the water pipe on the lower side
of the expansion vessel.
>
Remove both screws (
1
) retaining plate (
2
) and
remove the retaining plate.
Содержание ecoTEC plus
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