Inverter Cvf G3 Manual: Convo

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CHAPTER 1: PRODUCT OVERVIEW

1.1 Product Introduction The Convo CVF-G3 is a high-performance vector control inverter designed for speed control of three-phase AC asynchronous motors. It utilizes advanced vector control technology, offering high torque output at low frequency, excellent dynamic response, and reliable overload capacity. Convo Inverter Cvf G3 Manual

1.2 Model Numbering

  • Example: CVF-G3-2S0004
    • CVF: Product Series
    • G3: Generation 3 Design
    • 2S: Input Phase (2 = Single Phase 220V, 3 = Three Phase 380V)
    • 0004: Power Rating Code (Approximate current rating/adaptor)

1.3 Nameplate Information Located on the side of the unit, the nameplate includes:

  • Model Number
  • Rated Input Voltage/Frequency
  • Rated Output Current
  • Rated Output Capacity (kW)
  • Production Date / Serial Number

CHAPTER 2: INSTALLATION AND WIRING

2.1 Installation Environment

  • Temperature: -10°C to +40°C (Derating required above 40°C).
  • Humidity: Less than 90% RH, non-condensing.
  • Vibration: Less than 5.9m/s² (0.6g).
  • Location: Indoors, free from corrosive gases, dust, and direct sunlight.

2.2 Mechanical Installation

  1. Mount the inverter vertically on a non-flammable surface.
  2. Ensure adequate space for heat dissipation:
    • Top/Bottom: >100mm
    • Left/Right: >50mm
  3. Use screws appropriate for the mounting dimensions specified in the technical data sheet.

2.3 Main Circuit Wiring

Terminal Function Identification: | Terminal | Function | Description | | :--- | :--- | :--- | | L1, L2 (or R, S, T) | AC Input | Connect to commercial power supply (Single phase or 3-phase). | | U, V, W | AC Output | Connect to the 3-phase induction motor. Do NOT connect to power supply! | | P+, PB | Brake Resistor | Terminals for connecting an external brake resistor (if applicable). | | P+, P- | DC Bus | DC link terminals. | | PE | Ground | Earth ground terminal. Must be grounded according to local regulations. |

WARNING:

  • Never connect AC power to output terminals (U, V, W).
  • Do not install a contactor between the inverter output and the motor (frequent switching damages the inverter).

2.4 Control Circuit Wiring The control terminal block (usually removable) is located at the bottom front. I’d be happy to help you produce a feature (e

Typical Control Terminals:

  • TA, TB, TC: Relay output (Programmable).
  • AO / AM: Analog output (0-10V or 4-20mA for monitoring).
  • VI / AI1: Analog input voltage (0-10V).
  • CI / AI2: Analog input current (0-20mA or 4-20mA).
  • X1 - X5: Multi-function digital inputs (Programmable).
  • FWD / REV: Run/Stop and Direction control terminals.
  • COM / GND: Common terminals for control signals.
  • +24V: External 24V power supply for digital inputs.

Note: Use shielded twisted-pair cables for control wiring and separate them from main power cables to prevent noise interference.

7. User-Friendly Programming

  • 5‑digit LED keypad with copy function (upload/download parameters).
  • Parameter lock and multi-level user access rights.
  • Fault history log (last 6 faults with time stamp).

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CONVO INVERTER CVF-G3 SERIES OPERATOR’S MANUAL A summary / key features section for the

Document Version: 1.0 Applicable Model: CVF-G3 Series Variable Frequency Drives (VFD)