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Installation and maintenance instructions EASICOM 3 0020238426_04
13.6.3 Replacing the gas valve assembly
1.
Disconnect the product from the power grid.
2.
Close the gas stopcock.
3.
Remove the front casing. (
B
D
E
A
C
5
6
7
3
2
1
4
4.
Remove the air intake pipe
(2)
.
5.
Remove the plug from the gas valve assembly
(3)
and
from the fan
(4)
.
6.
Unscrew the gas connection pipe's connection
(1)
from
the gas valve assembly.
7.
Undo the two screws
(5)
.
8.
Remove the gas valve assembly
(3)
.
9.
Remove the seal
(6)
if it is still in place on the fan
(7)
.
10. Install the new gas valve assembly in reverse order.
11. Check the CO
₂
content. (
12. Set the CO
₂
content. (
13.6.4 Replacing the heat exchanger
1.
Remove the front casing. (
2.
Remove the gas-air mixture unit. (
1
A
B
3.
Remove the gas pipe
(1)
.
1
2
3
5
4
A
B
4.
Remove the temperature sensor
(3)
.
5.
Remove the upper clip
(1)
.
6.
Remove the lower clip
(4)
.
7.
Remove the supply pipe
(5)
.
2
2
3
B
1
A
8.
Remove the upper clip
(1)
.
9.
Remove the lower clip
(3)
.
10. Remove the return pipe
(2)
.
1
A
2
3
4
11. Remove the clip underneath the condensate tray
(1)
.
12. Undo the four screws
(2)
.