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AC 200-630 VSD

High-efficiency cycling refrigeration dryers with variable speed drive technology, designed to deliver stable dry compressed air while adjusting energy consumption to actual demand.
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Introduction

Atcorp offers AC 200–630 VSD cycling refrigeration dryers for medium-flow compressed-air systems where energy efficiency and consistent air quality are important. Variable speed drive technology continuously adapts refrigeration performance to compressed-air demand, while advanced heat exchangers, zero-loss drains and intelligent controls help reduce operating costs and maintain a stable 3°C pressure dew point.

Key Benefits

Up to 60% Energy Savings
Stable 3°C Dew Point
360–1080 m³/h Flow
High Ambient Performance
Low Pressure Drop
Zero-Loss Drain

Why Choose AC 200–630 Vsd Refrigeration Dryers?

Compressed-air demand can vary significantly throughout a production cycle. A conventional refrigeration dryer may continue consuming similar energy even when air demand falls. The AC 200–630 VSD range uses variable speed drive technology to adapt refrigeration output to actual demand, helping reduce energy consumption while maintaining reliable moisture removal and air quality.

Model

Nominal flow rate (m3/h)

AC 200 VSD

360

AC 300 VSD

500

AC 400 VSD

650

AC 450 VSD

790

AC 550 VSD

940

AC 630 VSD

1080

The dryer cools compressed air to condense moisture and then removes the resulting condensate.

 

Step 1 – Moist Air Entry
Warm, moisture-laden compressed air enters the refrigeration dryer.

 

Step 2 – Pre-Cooling
The incoming compressed air passes through the air-to-air heat exchanger and is pre-cooled by the outgoing dry air.

 

Step 3 – Refrigeration Cooling
The air then enters the air-to-refrigerant heat exchanger, where its temperature is reduced further.

 

Step 4 – Moisture Condensation
Water vapour condenses as the compressed air is cooled.

 

Step 5 – Condensate Removal
The condensed water is discharged through the zero-loss drain.

 

Step 6 – Air Reheating
The dry compressed air is reheated through the air-to-air heat exchanger.

 

Step 7 – Dry Air Delivery
The treated air leaves the dryer with a pressure dew point of approximately 3°C.

 

Step 8 – VSD Load Matching
The variable speed drive adjusts refrigeration-system speed according to the actual compressed-air demand, reducing unnecessary energy use during lower-load periods.

Up to 60% Energy Savings

VSD technology allows the refrigeration system to slow down during lower demand and increase capacity when demand rises, reducing unnecessary energy consumption.

 

Stable Class 4 Air Quality

The dryer maintains a pressure dew point of 3°C, supporting ISO 8573-1:2010 Class 4 moisture performance.

 

Performance at High Ambient Temperatures

The range maintains specified performance at ambient temperatures up to 46°C, making it suitable for demanding industrial environments.

 

Low Internal Pressure Drop

Patented air-to-air heat exchangers provide pressure drops of approximately 100–180 mbar depending on model, reducing the additional compressor energy associated with pressure losses.

 

No Oversizing for High Ambient Conditions

The dryer is designed to provide 100% of nominal compressed-air flow across its specified operating temperatures, avoiding the need to oversize purely for maximum ambient conditions.

 

Zero-Loss Condensate Drain

The drain removes collected moisture without continuously releasing compressed air, helping preserve compressed-air efficiency.

 

Intelligent Monitoring

PureLogic Touch and ICONS provide operational insights, performance information and maintenance-related data.

 

Compact Installation

The compact design allows the dryer to be installed in areas where conventional larger dryers may be difficult to accommodate.

Standard Features

  • Variable Speed Drive technology
  • Hermetically sealed refrigerant compressor
  • VSD inverter
  • Patented energy-efficient heat exchanger
  • Air-to-air heat exchanger
  • Air-to-refrigerant heat exchanger
  • PureLogic Touch controller
  • Zero-loss condensate drain
  • 3°C pressure dew point
  • ISO 8573-1:2010 Class 4 performance
  • R513A refrigerant
  • Single electrical connection
  • High-ambient operation up to 46°C
  • ICONS intelligent connectivity

 

Connectivity Options

  • Modbus
  • Profibus
  • Ethernet/IP
  • Remote performance monitoring
  • Performance analysis
  • Maintenance insights

Industrial Applications

AC 200–630 VSD refrigeration dryers are suitable for industrial compressed-air systems where consistent moisture control and energy-efficient operation are important.
Automotive Manufacturing
Provides dry compressed air for pneumatic tools, assembly equipment and automated production systems.
General Manufacturing
Protects pneumatic equipment and production processes from moisture-related problems.
Machine Tools
Helps prevent condensation and corrosion in pneumatic systems supporting CNC and machining operations.
Packaging
Provides dry air for pneumatic actuators, control systems and automated packaging equipment.
Food & Beverage
Provides refrigerated air drying for suitable general-purpose compressed-air applications.

Frequently Asked Questions

Find answers about AC 200–630 VSD cycling refrigeration dryers, including energy savings, dew point, flow capacity, VSD operation, pressure drop and intelligent monitoring.
The AC 200–630 VSD is a range of cycling refrigeration dryers using variable speed drive technology to adjust refrigeration performance according to compressed-air demand. The range covers nominal flows from 360 to 1080 m³/h.
The range provides a stable pressure dew point of 3°C, corresponding to ISO 8573-1:2010 Class 4 moisture performance.
The manufacturer states energy savings of up to 60%, depending on the operating profile and compressed-air demand.
The AC 200–630 VSD range uses R513A refrigerant.
Every pressure drop in the compressed-air system can increase the work required from the compressor. The AC 200–630 VSD’s low internal pressure drop helps minimize this additional energy consumption.
Yes. Atcorp can help Indian customers assess compressor capacity, actual compressed-air demand, operating pressure, inlet and ambient temperatures, required dew point and future expansion requirements to identify the appropriate refrigeration dryer configuration.

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