Glow-worm ENERGY 25c - 10.6 Removing the gas-air mixture unit; 10.7 Cleaning the heat exchanger

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. (→ 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.