F
B
A
E
Use the key "1" for the orientation of the
interface panel as described in par 2.2.2.
If the key is lost or damaged, the operation
can be done using a standard 2mm allen
wrench.
Once the 2 plastic keys have been separat-
ed they can be used by inserting "2" in one
of the holes "B" in key "3": whichever hole is
most convenient, depending on the opera-
tion. At this point you obtain a multifunction
cross key, with a use corresponding to each
of the 4 ends.
D
3
1
C
2
Figure 22
Figure 23
To use the cross key you must put the unused key "1" away in
a safe place so that it does not get lost, or else put it back in its
seat inside key "3" at the end of operations.
Use of end "C":
this is practically a straight tip screwdriver of the correct size for manoeu-
vring the caps of the main connections of the system (1" and 1"1/4). To
be used at the first installation
to remove the caps from the
mouths on which you want to
connect the system; for the
filling operation in the case of
horizontal installation; to access
the non-return valve, ... If the
key is lost or damaged, the same
operations can be performed
using a straight tip screwdriver of
a suitable size.
Figura 25
Figure 24
Use of end "D":
hexagonal socket head suitable for
removing the cap to perform filling in the
case of vertical installation. If the key is
lost or damaged, the same.
GB
ENGLISH
104