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Installation and commissioning
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D000011142 en k – E65C CU-B1, B2, B4 – User Manual
5.3
Fitting the communication unit CU-Bx
No voltage on meter
There must be no voltage applied to the meter when fitting the communica-
tion unit CU-Bx. Contact with live parts is dangerous to life. Disconnect the
meter from the power supply as described in the meter operating instruc-
tions.
The communication unit CU-Bx should be fitted in the meter as follows:
1.
Ensure that no voltage is applied to the meter.
2.
Remove the company seals on the front door and terminal cover.
3.
Open the front door and remove the terminal cover.
Fig. 15 Meter prepared for fitting communication unit CU-Bx
4.
Remove the built-in "dummy" communication unit.