Product Description

Model Number Interpretation

• 1 – Rated power: 1HP (0.75kW)

• AC – Product type: AC variable‑speed drive

• 2001 – Voltage/power configuration: 200/230VAC, 1HP standard build

• U – Variant: Universal/standard chassis, UL‑listed

Technical Specifications

• Input Power: Single‑phase AC, 200/230VAC ±10%, 50/60Hz, max 12A

• Output Power: Three‑phase AC, 200/230VAC, max 4.5A, 1.7kVA

• Rating: 1HP (0.75kW) continuous duty

• Control Mode: V/Hz (Volts‑per‑Hertz) open‑loop control

• Speed Range: 20:1 (V/Hz), typical 0–400Hz output frequency

• Enclosure: NEMA 1 / IP20, indoor use only

• Protection: Overcurrent, overvoltage, undervoltage, overtemperature, short circuit, ground fault, motor stall prevention

• Ambient Conditions: 0–45°C, 5–95%RH (non‑condensing)

• Dimensions: Approximately 254 × 305 × 152mm (H × W × D)

• Weight: Approximately 6.8kg (15lbs)

Interface and Communication Configuration

• Power Terminals: L1/L2 (single‑phase AC input), U/V/W (three‑phase motor output), PE (protective earth)

• Control Terminals: Digital inputs (start/stop, forward/reverse, fault reset), analog input (0–10VDC speed reference), relay output (fault indication)

• Communication: No standard communication port (analog‑only design); no RS‑232/485 or fieldbus interfaces supported

Core Functions

1. V/Hz Speed Regulation – Simple, reliable open‑loop control for standard induction motors, ensuring stable speed across varying loads.

2. Compact Light‑Duty Design – Small footprint and low weight make it suitable for space‑constrained installations with 1HP motor loads.

3. Basic Analog Control – Accepts 0–10VDC speed reference for easy integration with potentiometers, PLCs, or simple control systems.

4. Integrated Protection – Essential fault protection safeguards the drive and motor from common electrical and thermal issues.

5. Cost‑Effective Legacy Replacement – Direct retrofit for older 1HP 230VAC AC drives in small machinery and commercial equipment.

Application Scenarios

• Small General‑Purpose Machinery: Conveyors, fans, pumps, and mixers with 1HP induction motors.

• Light‑Duty Commercial Equipment: HVAC fans, small compressors, and material handling devices.

• Legacy System Replacement: Drop‑in replacement for Reliance Electric 1AC series drives in older industrial and commercial facilities.

• DIY and Hobbyist Applications: Small‑scale variable‑speed projects requiring a compact, affordable AC drive.

Usage and Maintenance Instructions

• Installation: Mount vertically in a clean, dry, well‑ventilated indoor area; maintain minimum clearance around the drive for proper airflow and cooling.

• Wiring: Use appropriately rated copper conductors for power and control circuits; separate power and control wiring to minimize electrical noise; verify all connections before power‑up.

• Startup: Perform a visual inspection for damage or loose connections; confirm input voltage matches the drive rating; start with no load and gradually apply load while monitoring operating parameters.

• Maintenance: Keep the enclosure clean and free of dust; inspect cooling fans and heat sinks regularly; check terminals and wiring for signs of overheating or corrosion; replace worn components as needed.

• Troubleshooting: Use onboard LEDs and fault indicators to diagnose common issues such as overcurrent, overtemperature, or motor stall; resolve faults before restarting the drive.