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wtw LF 170 - 3 Installation; Onsite Installation: General Instructions

wtw LF 170
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LF 170 Installation
77
ba54104e09 11/2010
3 Installation
3.1 Onsite installation: General instructions
The measurement location must meet the environmental conditions
specified in chapter 8 T
ECHNICAL DATA.
Outdoor mounting Pay attention to the following points for outdoor installations:
z Always protect instruments installed outdoors against rough
weather conditions with a protective cover.
z Close the housing cover after installation to ensure tightness (IP 66).
z Also seal all cable glands that are not required with matching
dummy plugs.
Installation on a wall or
under a protective cover
The instrument is mounted on a wall or under a protective cover
through 4 boreholes in the rear panel of the housing. The boreholes are
accessible when the housing cover is open.
Fig. 3-1 Mounting boreholes of the LF 170
The clearances of the boreholes are given in the dimensional drawing
in the chapter 8 T
ECHNICAL DATA. For wall mounting, use the suitable
material (screws, wall plugs, etc.).
-+-
ih
g
f
e
d
cba
Rec2
L1N
K2
K1
RS
Option
Sensor/Probe
Rec1
Netz
Mains
c
Option
ba
+
X2
X1
13 12 11 1110 109
9
8
8
7
7
6
6
5
5
4
4
332211

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