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PJ3500M-C & PJ5000U-K
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User Manual
Rev. 1.0 - 05/04/13
7. Working Principles
7.1 Power Supply Change
To use the amplifier with different types of power supply you should connect the
mains power supply socket as outlined in chapter 5. Also modify the connections
inside the varistors board box as explained below.
In order to access the varistors board box, remove the screws from the side and
back of the PS module, which keep it in place, and take out the box.
7.1.1 Single-Phase Wiring
WARNING:
the power supply in single-phase can be used only with 208/230V
voltage.
For the single-phase, the configuration of the external power supply plug must
have the following characteristics:
• PIN1 of the main connector is connected to Neutral wire.
• PIN2 of the main connector is connected to Phase wire and internally connected
to PIN3 by Ø 6mm wire.
• PIN3 of the main connector is internally connected to PIN2 and to PIN4 by Ø
6mm wire.