Installation Instructions
56
10
1
10 30 50 70 90 110
Temperature in °C
0.4
0.6
0.8
2
4
6
8
20
Resistance in kΩ
3. Replace the sensor in the case of
severe deviation.
Replacing flow limiter (gas condensing combi boiler)
B
A
C
1. Drain the boiler from the DHW side.
2. Pivot the control unit downwards.
3.
Undo screws A.
4.
Remove cap B.
5.
Remove faulty flow limiter C.
6.
Select new flow limiter C corre-
sponding to boiler serial no. (see type
plate) and the following table.
7.
Insert new flow limiter C.
8.
Fit new cap B provided.
Serial no.
(Type plate)
Flow rate
l/min
Colour
7499425 10 black
7499427 12 red
7499429 14 brown
Troubleshooting
Repairs
(cont.)
5609 059 GB










