Operating instructions

29
Gas type conversion (only for operation with LPG)
1
2
1.
Set adjusting screw A at the gas
train to "2".
2.
Switch ON/OFF switch ON.
3. Select the gas type in coding address
"82".
■ Call up code 2.
■ Call up "General" (weather-com-
pensated control units)
or
Group "1" (constant temperature
control units).
■ In coding address "11", select
value "9".
■ In coding address "82", select
value "1" (LPG operation).
■
In code "11" select value ≠ "9".
■ End service functions.
4. Open the gas shut-off valve.
5. Affix label "G31" (supplied with the
technical documentation) adjacent to
the type plate on the cover panel.
Function sequence and possible faults
Display Measures
Control unit
issues a heat
demand
no
Increase set value
and ensure heat is
drawn off
yes
Fan starts
no
After approx. 51 s
fault F9
Check the fan, fan
connecting cables,
power at the fan
and fan control
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5457 552 GB
Service