Gas Type Conversion (Only For Operation With Lpg); Function Sequence And Possible Faults - Viessmann VITODENS 200-W Service Instructions Manual

Further details regarding the individual steps
Wobbe index ranges
Gas type
Delivered condition
Natural gas E
or
Natural gas LL
After conversion
LPG P

Gas type conversion (only for operation with LPG)

Function sequence and possible faults

Control unit is-
sues heat de-
mand
Commissioning, inspection, maintenance
Wobbe index range
3
kWh/m
12.0 to 16.1
10.0 to 13.1
20.3 to 21.3
1. Set adjusting screw A at the gas
train to "2".
2. Switch ON/OFF switch "8" ON.
3. Adjust the gas type in coding
address "82" (for a detailed
description of the individual steps,
see page 88):
Call up code 2
In coding address "11", select
value "9"
In coding address "82", select
value "1" (operation with LPG)
In code "11" select value
Terminate code 2.
4. Open the gas shut-off valve.
Display screen
No
(cont.)
3
MJ/m
43.2 to 58.0
36.0 to 47.2
72.9 to 76.8
"9".
Measures
Increase set
value and ensure
heat is drawn off
11