Change Communication Unit; When To Change Communication Unit; How To Change Communication Unit - Landis+Gyr ZMQ202 User Manual

7.4

Change Communication Unit

7.4.1

When to Change Communication Unit

7.4.2

How to Change Communication Unit

Danger
Danger
Warning
H 71 0200 0215 f en - ZMQ202 / ZFQ202 - User Manual
Maintenance
The communication unit can be changed, if for example, different
communication requirements are needed.
Dangerous voltage on conductors
Dangerous voltage is present on the conductors that the meter is to be
connected to.
Contact with the conductors when under voltage will result in severe
personal injury or death.
The conductors must not be under voltage when connecting or
disconnecting the meter.
Installation and de-installation of the meter must only be performed by
qualified meter installers, with strict adherence to the utility's safety
regulations.
Dangerous voltage when connecting communication unit
Dangerous voltage is present on the meter connections to the
communication unit.
Contact with the connections will result in severe personal injury or death.
Voltage must not be present on the meter connections when changing /
installing the communication unit.
Changing / installing the communication unit must only be performed by
qualified meter installers, with strict adherence to the utility's safety
regulations.
Do not use communication unit CU-M./V22B
Do not connect any of the communication units of the type CU-M./V22B to
the ZxQ meter. Using a communication unit of the type CU-M./V22B may
lead to an instable communication.
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