ABB ACS320-03U-14A6-2 HVAC Microdrive 3 HP 230V - UL Listed
Part Number: 3AUA0000039650
Quick Summary
ABB ACS320-03U-14A6-2 HVAC microdrive precisely controls pumps and fans in building HVAC systems. This compact drive reduces energy waste by enabling speed-based control and simplifies integration with building management systems. UL-listed reliability and readiness for European CE workflows (where applicable) support safer operation in commercial environments with robust protection for HVAC equipment. By delivering accurate motor control, the ACS320 helps facility teams achieve faster commissioning, lower operating costs, and reduced lifecycle emissions, while maintaining consistent comfort and system performance across varied load conditions.
Product Information
Extended Description
3AUA0000039650 ABB: The compact ACS320 will save energy throughout your pump and fan HVAC applications. From booster pumps, exhaust and condenser fans to supply and return fans, the drive=E2=80=99s built-in HVAC features such as embedded BACnet (MS/TP) ensure easy and complete integration into building management systems.
Feature → Business Impact → Application: The ABB ACS320-03U-14A6-2 delivers compact, efficient motor control for HVAC pumps and fans, enabling precise speed regulation that translates to measurable energy savings and reduced wear on rotating equipment. This drives lower energy bills and longer pump and fan life in booster pump, exhaust, condenser, and supply/return fan applications. Application: retrofit or new-build HVAC projects seeking improved efficiency and control accuracy. Feature → Business Impact → Application: Embedded BACnet MS/TP in the ACS320 simplifies building automation integration, reducing commissioning time and ensuring reliable communication with BAS controllers. The result is faster fault detection, centralized monitoring, and easier ongoing tuning for demand-driven fan and pump profiles. Application: commercial office buildings, data centers, and healthcare facilities with managed HVAC networks. Feature → Business Impact → Application: UL-listed safety and robust electrical design provide confidence in mission-critical HVAC deployments, supporting compliance and risk reduction across installation sites. This mitigates safety concerns during maintenance and operation, enabling dependable performance in busy mechanical rooms. Application: high-occupancy environments and multi-zone systems. Feature → Business Impact → Application: 230V compatibility with standard motor installations allows plug-and-play replacement and straightforward retrofits, reducing downtime and spare-part complexity. Application: retrofits for aging HVAC pumps and fans, or new installations where 230V power is standard. Feature → Business Impact → Application: Energy- and control-optimization capabilities lead to lower lifecycle costs, improved system responsiveness, and better alignment with green-building targets. Application: facilities teams pursuing ISO benchmarks and energy audits across commercial portfolios.
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FAQs
Begin with power-off installation, connect the 230V supply to the drive input, and wire motor leads according to the ACS320 wiring diagram. Configure motor limits, PID or closed-loop parameters if used, and enable BACnet MS/TP communication for BAS integration. Verify motor nameplate compatibility and perform a controlled ramp test to confirm smooth start-up without mechanical shock.
The drive supports up to 3 HP motor loads at 230V with a full-load current of approximately 23.9 A. It provides precise speed control suitable for HVAC pumps and fans, enabling energy optimization across variable-speed applications. Ensure supply is stable within the drive's input voltage tolerance and connect motor terminals per the documentation for safe operation.
Yes. The ACS320-03U-14A6-2 is designed for HVAC pump and fan control, including booster pumps and exhaust/condenser fans. Its compact form factor and embedded HVAC features streamline integration with building management systems, allowing tailored speed profiles that meet load conditions while reducing energy consumption and wear on mechanical components.
The ACS320 is UL-listed for electrical safety, providing trusted reliability in commercial HVAC environments. In regions requiring European standards, CE-compliance readiness is noted as applicable, and ABB drives are designed with industry-standard safety practices to support compliant installations and robust performance across building automation projects.
Expect ROI from energy savings due to variable-speed control, reduced motor wear from soft start/stop behavior, and easier BAS integration lowering commissioning and fault-dinding costs. Maintenance benefits include centralized monitoring via BACnet MS/TP, easier parameter tuning, and fewer mechanical interventions due to improved drive stability in dynamic HVAC loads.