Operating instructions

Gas type conversion (only for operation with LPG)
1. Set adjusting screw A at the gas
train to "2".
2. Switch ON system ON/OFF switch
"8".
3. Adjust the gas type (see page 82):
&
Call up code 2
&
In coding address "11", select
value "9"
&
In coding address "82", select
value "1" (operation with LPG)
&
Set code "11" ≠ "9".
&
Terminate code 2.
4. Open the gas shut-off valve.
Function sequence and possible faults
Display screen Measures
Control unit is-
sues heat de-
mand
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
Further details regarding the individual steps (cont.)
12
Commissioning, inspection, maintenance
5692 672 GB