8 | © Danfoss | Energy Meters | 2021.10 AN384648824392en-010102
Installation guide SonoMeter 40
Seal
Pocket
a) angled 45°
P
b) perpendicular
Installation recommendations for pocket temperature sensors with permanently connected signal leads.
2. Electrical wiring
2.1 Connection of a meter with permanently connected temperature sensors (IP 67/68)
The meter version with permanently connected temperature sensors is fully ready for installation,
complete with the necessary cables for connection (no need to open the meter).
If the meter is equipped with wired interfaces or a pulse input / output function, appropriate and marked
cables to connect the relevant external device are provided.
If the meter is intended to be powered by an external source of 230V AC or 24V AC / DC, the dedicated
and marked cable of the meter shall be connected to the appropriate source.
2.2 Connection of the meter with changeable temperature sensors (IP65)
If the meter is fully assembled (temperature sensors are connected, communication interface cables are
in place) - follow the installation procedure in p.5.3.1 (the meter does not need to be opened). Otherwise,
it is necessary to open the electronic unit box.
Opening of electronic unit box
Before opening the electronic box, make sure that the meter version is with changeable temperature
sensors:
Check!
IP65 = Openable Version (with exchangeable
temperature sensors)
IP67 = Not openable
IP68 = Not openable
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