Operating instructions

50
4.
Remove gas restrictor D from gas
train.
5.
Fit gas train A with new gaskets
E
and
F
.
Fixing screw torque
C
: 3 Nm.
Union nut torque
B
: 22 Nm.
6. Remove or void gas type sticker on
the top of the boiler (next to the type
plate).
Converting gas type on the control unit
1. Turn ON/OFF switch ON.
r
2. Simultaneously turn rotary selectors
"
tw
" and "
tr
" to their central posi-
tion.
"SERV" appears on the display.
rr
3. Turn rotary selector "tr" anticlock-
wise within 2 s.
"
A
" and the set value flash on the
display.
Gas type conversion
Converting from LPG to natural gas
(cont.)
5366 836 GB