VD120 Series Inverter User Manual Mechanical and Electrical Installation
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Three phase 380V: 3kW-7.5kW/Three phase 220V: 2.2kW~4.0kW/Signal phase 220V: 2.2kW
Fig 3.2-1 Schematic diagram of main circuit wiring
3.2.1 Function Instruction of Main Circuit Terminals
Table 3-1 Function Instruction of main circuit terminals
Terminals
Function Instruction
R/L, S/N, T
Power input terminals, external the ac power of grid rated voltage
U, V, W
Output terminal of 3phase power supply, external connection of AC 3phase motor
P+, PB
External connection of braking resistor terminal
P+, P-
Voltage positive and negative terminals on DC side
Grounding terminal
● The voltage class of VD120 series inverter 3phase power has two grades: 220V, 380V, before
connecting power, please make sure the power class on inverter nameplate is the same with the
accessing power. Otherwise do not connect.
3.3 Control Circuit Terminal
3.3.1 Schematic diagram of control board layout
Fig 3.3-1 Schematic diagram of control board layout
Summary of Contents for VD120 Series
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