ABB EBN853, Руководство по эксплуатации, Страница: 16 / 38

Installation
16 EBN853, EBN861 (Contrac) 42/68-830-EN
4.1.2 EBN861
Important
The total weight of the electronic unit EBN861 is 40 kg (88 lbs). For this reason, the electronic
unit is equipped with a load-bearing eyelet. If, for technical reasons, the load-bearing eyelet
cannot be used, install the two housing halves separately.
Separating the housing halves
1. Place the electronic unit on a horizontal surface.
2. Unscrew and remove the cover screws ( Fig. 7 , pos. 3).
3. Open the electronic unit.
4. Disconnect the internal plug connection between the housing halves.
5. Close the housing halves.
6. Unscrew and remove the hinge screw ( Fig. 7 , pos. 2).
7. Fold the front section forward while lifting upward and off the hinge pins. Move the cover
of the electronic unit carefully.
Installing the housing halves
1. Set the housing halves on the hinge pins and replace the screw in the upper pin. Move
the cover of the electronic unit carefully.
2. Restore the internal plug connection.
3. Close the housing, and insert and connect the cover screws ( Fig. 7 , pos. 3).
Mounting
1. Module mounted on vertical support with screws of property class 8.8 (tensile strength
800 N/mm
2
(116032 pounds/square inch), 640 N/mm
2
(92826 pounds/square inch).
2. Provide adequate room for installation and make sure the actuator is accessible from all
sides.
3. Cable glands point downward.
4. Remove the cover for the connection chamber ( Fig. 7 , pos. 4).
5. Insert the cable through the cable gland and connect according to the connection
diagram.
6. Check that the cable connections are properly seated, tighten cable gland, and close the
cover of the connection box.
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