Description
Designed specifically for energy-saving HVAC, fan, and pump applications, the Delta Electronics VFD220CP43A-21 is a high-performance vector control drive engineered for variable torque loads. Part of the highly efficient CP2000 Series, this variable frequency drive provides precise speed and torque regulation to optimize fluid control processes and reduce system energy consumption.
This drive incorporates advanced control algorithms such as sensorless vector control (SVC) to adapt dynamically to load changes. With integrated industrial communication options, a wall-mount design, and native support for multi-pump systems, it serves as a reliable solution for complex building automation and industrial fluid management networks.
Features
- Specialized variable torque control curves optimized for fans, blowers, and centrifugal pumps.
- Built-in multi-pump control parameters, allowing synchronous and sequential multi-motor control configurations.
- Robust IP20 and NEMA 1 protective enclosure designed for standard wall-mount industrial installations.
- Energy-saving operation modes that dynamically adjust output voltage based on load conditions.
- Integrated PID controller for precise process loop regulation of pressure, flow rate, and temperature.
Applications
- HVAC air handling units (AHU) and commercial ventilation blowers.
- Municipal water distribution networks and constant pressure water supply systems.
- Wastewater treatment facilities and industrial pump stations.
- Cooling tower fans and heat exchanger circulation loops.
Technical Specifications
| Manufacturer |
Delta Electronics |
| Model Number |
VFD220CP43A-21 |
| Product Series |
CP2000 Series |
| Product Type |
Fan/Pump Vector Control Drive |
| Applicable Motor Capacity |
30 HP (22.5 kW) |
| Rated Output Current |
45 A |
| Input Voltage / Phase |
460V AC, 3-Phase |
| Installation Type |
Wall Mount |
| IP Protection Rating |
IP20 |
| NEMA Protection Rating |
NEMA 1 |
| Dimensions (W x H x D) |
9.84 in x 15.75 in x 8.27 in |
| Weight |
12 kg (Shipping Weight: 14 kg) |
Connections and Interfaces
| Terminal Group |
Function Description |
| R/L1, S/L2, T/L3 |
3-Phase AC line input terminals |
| U/T1, V/T2, W/T3 |
3-Phase AC output terminals to motor |
| +1, +2 / B1, B2 |
DC reactor connection and braking resistor options |
| Control I/O Terminals |
Configurable digital inputs, analog references, and relay outputs |
Installation Guidelines
- Mount the unit vertically on a flat, non-flammable surface to facilitate efficient convective cooling.
- Ensure minimum clearances are maintained on all sides of the drive as specified in the installation manual for ventilation.
- Use shielded cabling for all control and signal wiring to minimize electromagnetic interference (EMI).
- Ensure the grounding terminal is connected directly to a low-impedance system ground.