14.4 Connect the earth conductor
Similar to illustration!
The control unit has a mains cable with a protective earth conductor. The earth conductor is
connected to the mattress base frame. After replacing the mains cable, this connection must
be re-established and an electrical protective earth conductor measurement must be carried
out to test its effectiveness.
Proceed as follows:
1.
Insert the protective earth conductor and serrated washers (serrations towards the mat-
tress base frame) and plain washer onto the threaded potential equalisation pin in the
order shown.
2.
Tighten the pin in the threaded sleeve [A] on the mattress base frame
(torque: 1.5 Nm).
Image16:
Earthing conductor
Replacement of electrical components
Instruction Manual 120
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