Replacing The Gas Solenoid Valve And/Or Gas Nozzle - Viessmann Vitodens 200-W Instrucciones De Montaje

Replacing the gas solenoid valve and/or gas nozzle

B
E A
Diagram showing Vitodens 300-W,
type WB3C as an example
C D
1. Pull cables from gas solenoid valve
A.
2. Undo fitting B.
3. Undo two screws and remove gas
solenoid valve A.
4. Remove gas nozzle C from gas
solenoid valve A with pliers and
insert it into the new gas solenoid
valve or insert the new gas nozzle
(spare part).
For allocation of gas nozzles, see
page 10.
5. Fit new gas solenoid valve A with
new gaskets D and E, and con-
nect the cables.
Torque B 22 Nm.
6. Assemble the boiler and check its
function.
Installation and service
instructions
Danger
Escaping gas leads to a risk
of explosion.
Check gas equipment for
leaks.
GB
9