26
– take the combustion data reading
– press the button
y
to exit the "Chimney sweep Proce-
dure”. the boiler water delivery temperature will appear on
the display
– disconnect the pressure gauge, carefully close the pressure
point (6), put the control panel back to the original position
and refit the front panel (2).
gas supply pressure
Type of gas
g20
g31
Pressure (mbar)
20
37
3.8
gas conversion
Format Slim HE 25 T
models can work with G20 (methane) or
G31 (propane) without the need for any mechanical conver-
sion. simply select parameter”paR 03” (see "parameter set-
ting and display" described on page 21) and set the type of
gas to be used.
If changing the type of gas to be used, carry out the entire
appliance “COMMiSSiONiNg” phase.
