Power Supply; Wired Connection - Nibe Rmu S40 Installateurhandbuch

4. Press RMU S40 firmly to the top of the rear panel.
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POWER SUPPLY

You can connect max 32 wireless units and 8 wired RMU S40
to the main product. If you connect more than three wired
units to the main product (of which max. two RMU S40),
these require an external power supply.
USB MAINS ADAPTER
RMU S40 is not battery powered. For the power supply, you
can use a USB mains adapter (5 V) and connect it to "Supply
voltage, Micro-USB" (AA4-X5).
Max. cable length for USB connection: 3 metres.

WIRED CONNECTION

You can connect RMU S40 to the main product for power
supply and communication.
RMU S40 | EN