Replacing The Flow Limiter - Viessmann Vitodens 050-W BP JD Installation And Service Instructions Manual

Repairs
(cont.)

Replacing the flow limiter

B
C
1. Drain the boiler on the DHW side.
2. Pull off spring clip A.
3. Remove flow sensor B.
4. Remove faulty flow limiter C.
5. Check fitted strainer for dirt/contami-
nation. Clean strainer if required.
6. Select a new flow limiter C from the
following table.
A
Serial no.
(type plate)
7537906
7537947
7. Insert new flow limiter C.
8. Mount flow sensor B with new gas-
kets.
Troubleshooting
Flow Colour
rate
l/min
10 light
blue
14 light
pink
59