Invt Che100-0r7g-s2 - Manual
The INVT CHE100-0R7G-S2 manual is a technical document intended to guide users through installation, configuration, operation, and maintenance of the CHE100-0R7G-S2 drive—a compact variable-frequency drive (VFD) produced by INVT (Shenzhen INVT Electric Co., Ltd.). Such manuals serve as the authoritative resource for safe and effective use, providing essential information for electricians, maintenance technicians, system integrators, and plant engineers who rely on precise motor control and reliable operation in industrial applications.
Purpose and Scope The primary purpose of the manual is to ensure correct and safe deployment of the CHE100-0R7G-S2 drive while enabling users to exploit its functionality. The manual typically covers product overview, specifications, mounting and wiring instructions, parameter settings, control modes, troubleshooting, and safety precautions. It is designed for users who have a basic understanding of electrical systems and motor control but need step-by-step guidance specific to this model.
Key Sections and Content
Importance of Accurate Documentation Accurate and clear manuals reduce installation errors, downtime, and safety incidents. For integrators, well-structured parameter descriptions and wiring diagrams speed commissioning. For maintenance teams, comprehensive fault descriptions and troubleshooting steps shorten mean time to repair. Manuals also provide compliance evidence for regulatory inspections and support lifecycle activities such as firmware updates and part replacements.
Common User Needs and Best Practices
Conclusion The INVT CHE100-0R7G-S2 manual is an essential reference enabling safe, reliable, and optimized use of the CHE100 series VFD. It consolidates electrical, mechanical, operational, and maintenance guidance tailored to the model’s characteristics and helps a range of users—from installers to maintenance technicians—achieve successful integration into industrial control systems.
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INVT CHE100-0R7G-S2 is a general-purpose, sensorless vector control frequency inverter designed for variable torque applications like pumps and fans. This specific model is rated for (1 HP) and operates on a single-phase 220V The full documentation can be found in the CHE100 Series User Manual (PDF) or through the INVT Global Download Center Technical Specifications 0.75 kW (1 HP). Single-phase AC 220V ±15%, 47–63Hz. 3-phase 220V, 4.5A. Output Frequency: 0–400 Hz. Control Modes:
Sensorless Vector Control (SVC), V/f control, and torque control. Starting Torque: 150% at 0.5Hz (SVC). Overload Capacity: 160% for 1 minute. Dimensions: 85 x 140 x 115 mm. Key Features & Terminals I/O Terminals: invt che100-0r7g-s2 manual
4 programmable digital inputs, 2 analog inputs (0-10V/0-20mA), 1 relay output, 1 analog output, and 1 open-collector output. Built-in Braking: Includes a built-in braking unit for rapid stopping. Communication: RS485 interface supporting standard Modbus RTU protocol. Automation:
Features include 8-step speed control, PID control, and an Automatic Voltage Regulator (AVR) to stabilize output during input fluctuations. Common Parameter Settings Function Code Description Default / Note Maximum Frequency Upper Frequency Limit Lower Frequency Limit Acceleration Time Model dependent (e.g., 5.0s) Deceleration Time Model dependent S1 Terminal Function 1 (Forward) Installation & Maintenance
Answer (Appendix B): INVT recommends a 10A Type C miniature circuit breaker (MCB) for the 0R7G-S2 model, plus a class 10A mains filter for harmonic reduction.
Beyond basic start/stop, the manual describes powerful advanced functions that many users overlook: The INVT CHE100-0R7G-S2 manual is a technical document
The manual lists default parameters. If you skip P0-02 to P0-05, the VFD will not deliver full torque, and the motor may overheat. Always enter the motor nameplate data.
This is the most-accessed section of the manual. Common codes for the 0R7G-S2:
| Fault Code | Meaning | Likely Cause for 0R7G-S2 | Manual Guidance | | :--- | :--- | :--- | :--- | | E.oC1 | Overcurrent during acceleration | Acceleration time too short; motor short circuit | Increase P0-06; check motor winding resistance | | E.oU1 | Overvoltage during deceleration | Deceleration time too short; regenerative load | Increase P0-07; add braking resistor | | E.Lu1 | Undervoltage | Input voltage dips below 200V | Check mains supply; check for loose R/T terminals | | E.oH | Overheat | Heatsink temperature >85°C | Verify fan operation; clean dust; check ambient temp | | E.SC | Short circuit | Output U/V/W shorted or to ground | Disconnect motor; run VFD unloaded; test motor insulation |
The CHE100-0R7G-S2 manual includes a maintenance checklist every 6–12 months: Conclusion The INVT CHE100-0R7G-S2 manual is an essential
| Component | Action | Period | | :--- | :--- | :--- | | Cooling fan | Listen for noise, check rotation. Replace if stuck. | 2 years | | DC bus capacitors | Measure capacitance (requires special meter). | 5 years | | Input/Output terminals | Torque to 0.8 Nm (M3.5 screws). | 1 year | | Heatsink | Clean dust with compressed air (power off!). | 6 months |