Changing The Gas Type At The Control Unit - Viessmann Vitodens 050-W Installation Instructions Manual

Converting the gas type to LPG P (G31)
5. Mount gas train with new gas gas-
ket G.
Torque for fixing screws C: 6 Nm
Torque for union nut B: 30 Nm
6. Start the boiler.

Changing the gas type at the control unit

1. Turn on the ON/OFF switch.
2. Press MODE and
and hold for 3 s.
"SERV" appears on the display
and "I" flashes.
3. Use / to select "5" and confirm
with OK.
"0" flashes on the display.
4. Use / to select "1" and confirm
with OK.
The burner has been converted to
operation with LPG.
simultaneously
(cont.)
7. Check all gas connections for tight-
ness.
Danger
Escaping gas leads to a risk
of explosion.
Check all gas equipment for
tightness.
!
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 seal
the diaphragm opening on
the gas valve.
5. Press MODE and
and hold for 3 s.
Service mode is terminated. Serv-
ice mode also terminates automati-
cally after 30 min.
6. Turn the ON/OFF switch off and on
again.
The selected gas type is now ena-
bled.
simultaneously
3