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