18.04.16
Page 25 / 146
VARMAX -
Installation, Use and Maintenance
fi
gure 15 - Diaphragm (275 and 320 models)
U0524542-#
4.9.2.
On VARMAX 120, 140, 275 and 320
The type of gas is changed by installing the
diaphragm (brass part) provided with the boiler
(engraved B1P for 120 and 140 models or
engraved B3P for 275 and 320 models).
Unscrew the 4 nuts or screws depending on the
model (see opposite).
Install the diaphragm provided.
Screw the 4 nuts back in place.
Check the CO
2
settings (see § 7.7, page 52).
After changing the type of gas:
- Check the sealing of the gas line.
- Stick the label provided in place of the
original label (G20).
Note:
In order to facilitate the operation, the mounting
fl
ange located at the entrance to the gas line (on
the side nearest the network connection) may
require unscrewing.
fi
gure 14 - Diaphragm (120 and 140 models)
nut (x4)
diaphragm
!
B3P
Diaphragm
orientation
Zinc-coated
engraving
towards the
spacer
nut (x4)
Содержание Varmax 120
Страница 2: ......
Страница 5: ...18 04 16 Page 5 146 VARMAX Installation Use and Maintenance ...