Gas Type Conversion; Converting From Lpg To Natural Gas - Viessmann VITODENS 111-W Installation And Service Instructions Manual

Gas type conversion

Converting from LPG to natural gas

Removing gas restrictor
C
D
B
A
E
1. Remove the burner (see "Commis-
sioning, inspection and mainte-
nance").
Converting the gas type at the control unit
56
2. Pull cable from gas train A.
3. Undo two screws B and remove gas
train A.
4. Remove gas restrictor C from gas
train A.
5. Mount gas train A with new gasket
D.
Torque for fixing screw B: 3 Nm.
6. Refit the burner with new gasket E.
7. Remove or void gas type sticker on
the top of the boiler (next to the type
plate).
8. Fit the burner (see "Commissioning,
inspection and maintenance").
9. Start the boiler and check for leaks.
Danger
Escaping gas leads to a risk of
explosion.
Check gas equipment for
tightness.
1. Turn on the ON/OFF switch.