ABB ACH580 4X: The Best VFD for Extreme Outdoor Conditions

ABB's latest innovation, the ACH580 4X VFD, is a revolution in outdoor variable frequency drives. First exhibited at the 2024 AHR Expo, this cutting edge VFD is NEMA-4X-rated and designed to withstand hot, wet, cold, dusty, salty, and other extreme outdoor environments.

All-Weather Solution

The innovation of VFDs has unlocked significant cost savings in every kind of HVAC system. VFDs induce unmatched efficiency in refrigeration, plumbing, and mechanical systems for universities, hospitals, data centers, K-12 schools and other commercial buildings. 

Outdoor environments have long proved challenging for VFDs operation. Now, ABB’s ACH580 4X is poised to bring the advantages of VFDs to the most challenging installations. 

Cooling tower installations, retrofits, and overhauls are a natural fit for the ACH580 4X VFD. Having the VFD easily installed within the line of sight of both the fan motor and the disconnect solves a significant code challenge in many applications. 

Consider these five reasons ABB's innovative VFD design is a game changer for service contractors, engineers, and owners. 


Reclaim Real Estate

No space? No problem.  

Since the rise of VFDs, legacy mechanical and electrical rooms have become crowded with all the drives and components to modernize their building systems. The ACH580 4X offers a seamless solution. 

The outdoor-rated ACH580 4X is ideal for retrofits and new construction where indoor real estate in mechanical rooms and penthouses is at a premium. 

Locating the VFD outside saves space inside mechanical rooms and removes the VFD from the risk of damage during maintenance, service, and repair work. 

In some cases, selecting the ACH580 4x can streamline the design of newly constructed mechanical rooms, minimize their footprint, and improve the efficiency of valuable building square footage. 

In addition to eliminating the need for substantial cabinets, the ACH580 4X VFD can be mounted flush to a wall with a rear-mounted heat sink on the back to provide all the cooling required. 


Economizing Time and Money

The ACH580 4X VFD's pioneering integrated, outdoor-rated enclosure offers a cost-effective, code-compliant solution. 

Its fully sealed design reduces initial and ongoing costs by eliminating the need for a separate NEMA 4-rated enclosure, which would involve a heat exchanger, cabinet fan, and operating costs for cabinet conditioning. 

Additionally, with its integrated outdoor-rated UL 61800-5-1 design and optional robust input disconnect (+F254), you can mount the VFD close to the application. This minimizes site installation costs and system downtime during equipment servicing and diagnostics.  


Enhanced Reliability

The ACH580 4X features built-in safety features and comprehensive fault diagnostics offer owners and operators reliability and ease of serviceability – mitigating the risk of unforeseen failure, costly downtime, and production losses. 

Its innovative design also eliminates the risk of overheating. It has no large steel enclosures, cooling fans, air filters, or cabinet heaters to maintain, and its durable industrial polycarbonate plastic casing absorbs less ambient and solar heat than traditional metal enclosures. 


Built to Endure

ABB designed the ACH580 4X VFD to provide reliable and long-lasting operation even in extreme environments. 

The ACH580 industrial polycarbonate enclosure is UV-resistant, and the optional sun shield protects from prolonged exposure to harsh sunlight. Wet environments that corrode metallic enclosures are no concern for these durable covers. 

In addition, the ACH580 design offers exceptional corrosion resistance to common chemicals found in heavy commercial applications, such as biocides typical in cooling tower sanitization.


Seamless Connectivity and Servicability 

In today's interconnected world, seamless integration with existing equipment, controls, and systems is imperative.  

The ACH580 4X offers two options for expanded I/O or Fieldbus communications, and an optional Bluetooth control panel accessible up to 250 feet (75m) away ensures flexible data exchange and real-time monitoring. 

The purpose-built modular design facilitates easy maintenance and servicing, enhancing operational uptime and efficiency.  

ACH580 4X outdoor mounting also enables clear line-of-sight (LOS) to controlled loads. This facilitates easy service and diagnostics by just one technician, saving time and labor over its lifespan.  

The ability to install within LOS is ideal for cooling tower applications, as the code requires it.  


Embrace the Future

Contact MRG today to make your outdoor VFD project a reality with ABB's revolutionary all-weather VFDs.