Changing the gas type (only for operation with LPG)
1.
Turn adjusting screw
A
(Allen
screw 2.5 mm) on the gas combina-
tion valve clockwise as far as possi-
ble towards "
–
" (approx. 30 turns).
2.
Switch ON the system ON/OFF
switch "
8
".
3.
Adjust the gas type in coding
address "82" (for a detailed
description of the individual steps,
see page 91):
&
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" and terminate
code 2.
4.
Open the gas shut-off valve.
Function sequence and possible faults
For further details regarding faults, see page 74.
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
Check fan cables
and plugs
Fault
F9
Further details regarding the individual steps
(cont.)
11
Initial start-up, inspection, maintenance
5692
569
GB
Summary of Contents for Vitodens 300
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