Electrical installation – Lenze 8400 User Manual
Page 161

Electrical installation
Safety instructions for the installation according to U
L
or U
R
6
161
EDS84ASC552 EN 9.1
Warnings!
ƒ
Control card protection:
– External fuse for 24 V DC supply voltage of control terminal X107.
– Rated 4 A DC fuse UL248-14.
– Functional Safety is evaluated according to standards listed in section
”Safety engineering”.
ƒ
The device is provided with internal overload protection. For information on
the protection level of the internal overload protection for a motor load, see
the corresponding Software Manual or Online Help under the topic ”Motor
load monitoring (I
2
xt)”. This function has to be activated; i. e. the reaction
must be changed from ”Warning” (factory setting) to ”Fault”.
ƒ
For information on rating and proper connection of the thermal protector
(only for connection to motors having integral thermal protection), see the
corresponding Manual or Online Help.
Warnings!
ƒ
The device shall be installed in a pollution degree 2 macro-environment.
ƒ
Maximum surrounding air temperature: 55 °C.
ƒ
Use 75 °C copper wire only, except for control circuits.
Warnings!
ƒ
Safety card protection:
– External fuse for 24 V DC supply voltage of control terminal X80.
– Rated 4 A DC fuse UL248-14.
– Functional Safety is not evaluated by UL.