NEX D/DX
1
6
See Figures 5
-
11. The extraction arm can be mounted on wall or ceiling together with
a wall bracket. Ensure that the surface, on which to mount the arm, is level and use
the wall bracket to mark the holes.
Use
anchor
bolts and nuts suitable for the wall material. The bolts mu
st
each stand a
torque force of minimum 1200 N (2m), 1900 N (3m), 3200 N (4m), 4500 N
(5m)
Use a level and make sure that the extraction arm is fitted in a horizontal position.
Check that proper measure
ments
have been taken to avoid all types of electrical
stray currents to and/or from the piping system and electrical wiring.
NOTE!
Make sure the housing is properly grounded. See figure 11 an
d sec
tion 4.3
Earth control measurement
4.2.1
Rotary
S
top
Should only be fitted when the arm is mounted in a 360
0
rotating position, see Figure 5.
Check for proper earth connection, after both main installation and regular
maintenance, as follows:
•
NEX
D
has
one
ground
wire.
Measure
according
to
Figure
11
item
16.
•
NEX
DX
has both
the
hose
and
the
arm
system
are
grounded.
Measure
according
to
Figure
11
item
16
and
the
following
sequence:
1)
Remove
and
isolate
the
ground
wire
of
the
hose
(see
Figure
13,
item
5)
from
the
connector.
2)
Check
ground
continuity
according
to
Figure
11
item
16.
3)
Reattach
the
ground
wire,
see
Figure
13
item
5.
4)
Remove
and
isolate
the
ground
wire
of
the
arm,
see
Figure
11
item
17A
and
17B.
5)
Check
ground
continuity
according
to
Figure
11
item
16.
6)
Reattach
the ground
wire,
see
Figure
11
item
17A
and
17B.
4.
2
Mounting
4.3
Grounding
Summary of Contents for NEX D Series
Page 2: ......
Page 8: ...NEXD DX 8 91 00 m 75 9 NEX NEX NEX ...
Page 11: ...11 3600 A A B 5 5 1 3 12 13 NEXD DX ...
Page 12: ...NEXD DX 12 A 13 mm 1 2 B 1 3 m m 1 2 C1 C2 C3 14 15 ...
Page 13: ...13 C5 C4 C7 C6 C8 16 NEXD DX ...
