38
Installation and maintenance instructions Compact 0020313973_01
Result:
Insulating mat damaged
▶
Replace the insulating mat (
→
Spare parts instruc-
tions for the burner flange insulating mat).
12.5.5 Installing the compact thermal module
A
1
B
1.
Connect the air intake pipe to the intake stub.
2.
Connect the compact thermal module
(1)
to the heat
exchanger.
x4
3
5
4
2
1
6
3.
Tighten the four nuts
(1)
in a cross-wise pattern until
the burner flange fits closely and uniformly onto the
mating surfaces.
–
Tightening torque: 6 Nm, if a torque spanner is
available
4.
Reconnect the earth cable
(3)
to the ignition electrode.
5.
Reconnect the plug
(5)
to the gas valve assembly.
6.
Reconnect the plug
(4)
to the ignition device.
7.
Screw the union nut
(6)
back onto the gas valve as-
sembly with a new seal.
8.
Connect the gas pipe using a new seal.
9.
Open the gas stopcock.
10.
Check the product for tightness. (
11.
Check the gas connection pressure/gas flow pressure.
(
12.5.6 Checking the ignition electrode
1
2
3
4
1.
Remove the earth cable
(1)
.
2.
Remove the fixing screws
(2)
.
3.
Carefully remove the electrode
(4)
from the combustion
chamber.
4.
Ensure that the electrode ends are undamaged.
5.
Clean and check the gap between the electrodes.
–
Clearance for the ignition electrodes: 4.5
±
0.5 mm
6.
Replace the seal
(3)
.
7.
Install the electrode. To do this, proceed in reverse
order.
12.5.7 Checking and cleaning the restrictor for the
reference pressure pipe
Ø 0.23
D
65
150
A
B
C
E
1
2
3
1.
Remove the restrictor for the reference pressure pipe
(1)
, as shown in the figure
→
(A)
to
(D)
.
Summary of Contents for Compact 24c-AS/1
Page 59: ......
