Glow-worm ENERGY 25c, Installation And Maintenance Instructions Manual, Page: 24 / 52

10 Inspection and maintenance
24
Installation and maintenance instructions ENERGY 0020177746_03
10.6 Removing the gas-air mixture unit
Note
The gas-air mixture unit consists of three main
components:
–
Fan
–
Gas valve,
–
Burner cover
1. Switch off the product via the main switch.
2. Close the gas isolator cock.
3. Remove the front casing. (
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Page 10)
C
A
B
1
D
2
4. Remove the screw (1) .
5. Push the clip upwards.
6. Remove the flue gas pipe (2) .
3
4
5
A
B
7. Remove the air intake pipe (3) .
8. Remove the plugs from the gas valve (4) and from the
fan (5) .
A
C
D B
6
9. Remove the gas-air mixture unit (6) .
7
7
8
10. Remove the burner seals (7) and the burner (8) .
11. Check the burner and the heat exchanger for damage
and dirt.
12. If necessary, clean or replace the components accord-
ing to the following sections.
13. Install the two new burner seals.
10.7 Cleaning the heat exchanger
1
1. Protect the folded down electronics box against sprayed
water.
2. Clean the ribs of the heat exchanger (1) with water.
◁
The water runs out into the condensate tray.