Glow-worm ENERGY 12r - Removing the Gas-Air Mixture Unit

Inspection and maintenance 10
0020177748_03 ENERGY Installation and maintenance instructions 21
▶ Compare the measured value with the corresponding
value in the table.
Setting the CO₂ value
Great Britain
front casing on / front cas-
ing off
Natural gas
G20
CO₂ at full load
9.2 ±0.2 %
Set for Wobbe index
W₀
14.09 kW⋅h/m³
O₂ at full load
4.5 ±1.8 vol. %
CO at full load
≤ 250 ppm
CO/CO₂
≤ 0.0027
▽ If the setting is not in the specified adjustment range,
you must not start up the product.
▶ Inform Customer Service.
▶ Check whether the requirements regarding air pollution
control and/or CO have been complied with.
▶ Install the front casing.
10.6 Removing the gas-air mixture unit
Note
The gas-air mixture unit consists of three main
components:
– Ventilator
– 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 9)
A
B
1
4. Remove the air intake pipe (1).
D
C
B
2
3
A
5. Remove the screw (2).
6. Push the clip upwards.
7. Remove the flue pipe (3).
A
D
C
B
8. Remove the plug from the gas valve and from the fan.
9. Remove the gas-air mixture unit.
10. Remove both burner seals from the burner cover.
1
11. Remove the burner (4).