Changing To Operation With Lpg; Matching The Burner Output To The Flue System - Viessmann VITODENS 111-W Installation And Service Instructions Manual

Further details regarding the individual steps

Changing to operation with LPG

In the delivered condition, the boiler is
set up for operation with natural gas. For
operation with LPG, change the gas noz-
zle and convert the gas type in the con-
trol unit.

Matching the burner output to the flue system

To match the burner output to the sys-
tem's flue pipe length, a correction factor
can be set.
r
Commissioning, inspection, maintenance
Changing from LPG to natural gas - see
page 52.
1. Switch on the ON/OFF switch.
2. Turn both rotary selectors "tw" and
3. Refer to the following table for the
r
4. Within 2 s, turn rotary selector "tw"
5. Within 15 s, set rotary selector
6. The set correction factor is saved
(cont.)
Separate installation instruc-
tions.
"tr" simultaneously to their respec-
tive central positions.
"SERV" appears on the display.
correction factor required for the con-
nected flue system.
into the top left range.
The display shows "r", "w", "A",
and the selected correction factor
flashes.
In the delivered condition, factor 0
has been set.
"tr" to the required correction fac-
tor.
when the value stops flashing, and
the control unit returns to standard
mode.
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