Electrical installation
Important notes
Safety instructions for the installation according to U
L
or U
R
6
l
159
EDS84ASC552 EN 8.1
J 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.
J 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.
J 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.
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