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D20 Touring rack assembly US Manual 1.0
3.2.2. MAINS SUPPLY
The ML 1105 Mains power distributor is supplied with a fixed
3-phase 30 A L21-30 mains connector socket.
When the rack is connected to the on-site mains power supply, three
LED indicators display the presence of the on-site mains supply lines
(phase conductor X, Y, Z).
WARNING!
Potential risk of electric shock.
The mains power distributor is a type 1 enclosure. A missing earth
(ground) contact may cause dangerous voltages in the housing and
controls and may lead to electric shock.
―
Connect the unit to mains power supplies with protective earth
only.
―
If there is any sign of obvious damage to the power cord and/
or L21-30 mains connector, do not use the unit and replace it
before further use.
―
Please ensure the mains connector is accessible at any time to
disconnect the unit in case of malfunction or danger.
―
Do not connect or disconnect the L21-30 mains connector under
load or live.
Mains supply configuration
Input Voltage ............................................120/208Y VAC 3PH 60Hz
Wiring configuration ....................................................................4P5W
Max Ampacity ............................................................................... 30 A
NOTICE!
To avoid any overload of the on-site mains power supply, we
recommend you to connect no more than one system rack to the
respective mains power supply line.
3.2.3. AUXILIARY MAINS OUTPUT 20 A
The installed D20 amplifiers will use three of the six available
NEMA 5-20 sockets. Three remaining sockets are intended for the
connection of low current devices such as notebook computers,
DS10 Audio Network Bridge, or additional Ethernet switches.