Power Supply; Communication Modules - Landis+Gyr ULTRAHEAT T450 Installation Instructions Manual

6 Power supply

Caution
Do not open the batteries. Do not bring batteries into
contact with water or expose to temperatures exceeding
80°C. Dispose of used batteries at suitable collection
points.
6.1 Changing the battery
Note
Only batteries approved by the manufacturer may be
installed.
Note
When replacing the battery, ensure that the battery service
life is longer than the planned life cycle of the meter.
Note
After lithium batteries have been used, you can return
them to the manufacturer for proper disposal. When
shipping batteries please observe legal regulations which
among other things govern the labelling and packaging of
hazardous goods.
Figure 10: Battery compartment
Number
1
2
3
© Landis+Gyr
Description
User protection
Battery compartment cover
screw
Battery compartment cover
Subject to change without prior notice
Number
4
5
Proceed as follows to change the battery:
• If necessary, open the battery compartment cover by
loosening the screw.
• Remove the old batteries from the battery compartment.
• Insert the battery into the battery compartment according
to the polarity mark. Observe the connection sequence.
Always start with the labelled battery position 1.
• Close the battery cover by tightening the screw.
Note
We recommend using the UltraAssist service software to
parameterise the battery change.
6.2 Calculator interfaces
The meters are equipped as standard with an optical interface as
per EN 62056-21:2002 and two water meter pulse inputs.
You can also use one of the following communication modules for
remote reading:
• Pulse output module
• M-Bus module
• Radio module
These modules have no effect on consumption recording. You can
retrofit the modules at any time without violating the security tag.

7 Communication modules

Note
Observe the necessary ESD protection measures when
installing modules.
Description
Seal
Battery
07.02.2020 5