Viessmann GB-ND 055 E01 30/35 G25 Instrucciones De Montaje página 11

Vitodens 100-W
5. Mount gas solenoid valve A with
new gaskets E.
Torque for fixing screws C: 6 Nm
Torque for union nut B: 30 Nm
Vitodens 111-W
Removing the burner
Installation and service instruc-
tions
(cont.)
6. Start the boiler and check for leaks.
Danger
Escaping gas leads to a risk
of explosion.
Check gas equipment for
leaks.
!
Please note
The use of leak detection
spray can result in faulty
operation.
Leak detection spray must
not come into contact with
electrical contacts or block
the diaphragm opening on
the gas valve.
GB
11