Installation Instructions
60
Converting the gas type at the control unit
1. Turn ON/OFF switch ON.
r
2. Turn both rotary selectors "tw" and
"
tr
" simultaneously into their
respective central positions.
"SERV" appears on the display.
rr
3. Turn rotary selector "tr" fully anti-
clockwise within 2 s.
The set value and "
A
" flash on the
display.
4. Adjust the control unit to natural gas
or LPG by turning rotary selector
"
tw
".
The display shows:
■ "0" for operation with natural gas
or
■ "1" for operation with LPG.
5. The set operating mode is saved
when the value stops flashing, and
the control unit returns to standard
mode.
Checking the CO
2
content
See page 34.
Gas type conversion
Converting from LPG to natural gas
(cont.)
5609 059 GB










