Technical data

9
If the power supply unit is installed in
zone 2, the power cable must be attached to
the screw terminals of the building electrical
installation.
Requirement
An all-pole power disconnecting device
must be installed on the supply side of the
screw terminals of the building electrical
installation.
Procedure
• Permanently install the power supply unit
using the mounting plates and 4 screws
to the building electrical installation near
a connection device.
• Route the power line cable and the cable
to the scale so that they are protected
against damage. Cables must not be
kinked or bent at sharp angles.
• Attach power cable to the screw terminals
of the building electrical installation as
follows:
Yellow/green lead ground
Brown lead phase
Blue lead neutral
• Switch on the power. The scale is ready
for use.
5.2 Installation in the hazardous area of zone 2
(only type 21201489)
M
E
T
T
L
E
R
T
O
L
E
D
O
+
Yes
Unit
Menu
Factor
M
o
d
e
E
n
te
r
O
/
T
On/Off
–
No
L
a
s
t
C
o
m
p
N
e
x
t
C
o
m
p
P
S
7
m
a
x
.
7
1
0
0
g
d
=
0
.
1
g
Hazardous area, zone 1
Hazardous
area, zone 2
220 V - 240 V