Power Supply Installation; Power Supply Connection - Urmet 1722 Notice D'installation Et D'utilisation

8. POWER SUPPLY UNIT INSTALLATION
Power supply in CAT II 2500 V. Once installed, the power supply is subject to transient voltages higher than
those of the overvoltage category for which is was designed. For this reason, an additional transient voltage
protection is required outside the device.
The power supply unit must be installed in the electric panel or a cabinet.
1
2
Wall-mounted installation Installation on DIN bar
(6 modules, 18 mm / 0.71'' each)
The electronic inductor module may be fi xed to the wall by means of bracket supply in the kit or fi xed to DIN
bar (2 modules, 18 mm / 0.71'' each).
The electronic inductor module must be installed in the same electric panel as the power supply unit.

8.1. POWER SUPPLY CONNECTION

GND +V GND +V
N L
Power supply unit
To the video door phones To the calling stations
110/230 V~
32
DS1722-139