Key Technical Specifications: Parameter Description / Value Product Code ACH550-01-05A6-4 Product Type HVAC Variable Frequency Drive (VFD) / AC Drive Rated Power 2.2 kW (3 HP) Output Current 5.6 A (at 400V, continuous duty) Supply Voltage 3-phase, 380 - 480 V AC (±10%), 50/60 Hz Output Voltage 0 - Supply Voltage (Uin) Output Frequency 0.1 - 500 Hz (standard HVAC motor: 0.1 - 120 Hz) Control Method Sensorless Flux Vector Control (FVC): Provides excellent speed and torque control across the entire speed range, crucial for pump and fan applications. Enclosure IP20 / UL Type 1 (Open Chassis). Must be installed inside a suitable control panel or enclosure for protection against dust and moisture. Frame Size R1 Key HVAC Features - Adaptive Programming (AP): User-friendly setup with plain-language questions. - Energy Optimizer: Automatically minimizes motor losses to achieve maximum energy savings. - Pump & Fan Control Macros: Pre-configured for quick setup of constant pressure, constant flow, or temperature control. - PID Controllers: Dual PID controllers with cascade control and PID sleep/wake-up functions. - Flying Start: Can smoothly connect to a rotating motor. - Multiple I/O: 4 Digital Inputs, 2 Analog Inputs (voltage/current), 1 Analog Output, 2 Relay Outputs. - Advanced Motor Thermal Protection: Includes both I²t and PTC thermistor inputs. Built-in Communication - BACnet MS/TP: Native BACnet Building Automation Controller interface. - Modbus RTU (RS-485): Standard industrial protocol. - Flashing LED: Indicates drive status and fault codes. Motor & Drive Protection Motor thermal (I²t), overcurrent, overvoltage, undervoltage, ground fault, short circuit, phase loss, and motor stall protection. Cooling Method Convection cooling (fanless) for Frame Size R1, ensuring silent operation. Ambient Conditions Operating Temperature: -10°C to +50°C (14°F to 122°F) without derating. Up to +40°C with full rated current. Storage: -40°C to +70°C. Max humidity: 95% (non-condensing). Standards & Approvals CE, cULus Listed, RoHS compliant. Designed to meet global HVAC standards.