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

Further details regarding the individual steps

Gas type conversion (only for operation with LPG)

A

Function sequence and possible faults

Control unit
issues a heat
demand
yes
Fan starts
Commissioning, inspection, maintenance
1. Set adjusting screw A at the gas
train to "2".
2. Switch ON/OFF switch "8" ON.
3. Select the gas type in coding address
"82":
■ Call up code 2.
■ Call up "General" (weather-com-
■ In coding address "11", select
■ In coding address "82", select
■ In code "11" select value ≠ "9".
■ End service functions.
4. Open the gas shut-off valve.
5. Affix label "G 31" (included with the
technical documentation) in a clearly
visible position, near the gas train on
the cap panel.
Display
no
no
After approx. 51 s
fault F9
(cont.)
pensated control units)
or
Group "1" (constant temperature
control units).
value "9".
value "1" (LPG operation).
Measures
Increase set value
and ensure heat is
drawn off
Check the fan, fan
connecting cables,
power at the fan
and fan control
13