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Data Center Connector Solutions

Chillers

Connector solutions for air-cooled, water-cooled, modular, and industrial process chillers. 

Hirose connector solutions support efficient thermal management, system integration, controls, sensors, and power distribution across commercial HVAC, industrial process, and data center cooling systems. Designed for engineers specifying reliable, high-performance connections in modern chiller applications.

Find the Right Connection for your Chiller Design 

 
 

Explore Hirose connector recommendations for key connection points throughout chiller systems—from control boxes and sensors to power, HMI, and communication interfaces.

 
TEMPORARY_Chillers

THE ROLE OF CHILLERS IN DATA CENTERS

 

Keeping Data Centers Cool.

Keeping Systems Running.

 
 

Chiller systems remove heat from data center environments to maintain stable operating temperatures for critical IT infrastructure. As computing density increases, reliable cooling becomes increasingly important to uptime and performance. 

Check Mark Icon - Blue-1 Manage heat from high-density computing 

Check Mark Icon - Blue-1 Maintain stable IT equipment temperatures 

Check Mark Icon - Blue-1 Support efficient thermal management

Check Mark Icon - Blue-1 Help protect critical infrastructure and uptime

THE ROLE OF CHILLERS IN COMMERCIAL HVAC

 

Efficient Cooling.

Reliable Performance.

 
 

Commercial HVAC chillers remove heat from buildings and facilities using chilled water or refrigerant. Reliable connections support power, compressors, pumps, fans, sensors, controls, and communication systems throughout the equipment.

Check Mark Icon - Blue-1 Manage changing building cooling loads  

Check Mark Icon - Blue-1 Support stable operating temperatures 

Check Mark Icon - Blue-1 Manage thermal loads across large facilities

Check Mark Icon - Blue-1 Enable reliable monitoring and system control

Hirose Electric Cooling Connector Solutions DF63W Sealed Waterproof Image
FEATURED SOLUTION

Sealed Against the Elements.   

Chiller systems can expose electrical connections to moisture, dust, dirt, and other environmental contaminants. Hirose sealed connector solutions help protect critical power, signal, and data connections across demanding chiller environments. 

EXPLORE DF63W SERIES →   SEALED CONNECTORS

EXPLORE HARSH ENVIRONMENT CHILLER CONNECTOR SOLUTIONS

IP67 / IP68 / IP69K Options
Secure Mating & Locking
Vibration Resistance
Power & Signal Options
FREQUENTLY ASKED QUESTIONS ABOUT CHILLER SYSTEMS

 

FEATURED RESOURCES

 

What connectors are used in chiller systems? +
Chiller systems use a combination of power, wire-to-board, wire-to-wire, board-to-board, FPC/FFC, and communication connectors. These connections support compressors, pumps, fans, sensors, control boards, HMI equipment, power distribution, and communication interfaces in data center and commercial HVAC chillers.
Where are connectors used inside a chiller? +
Connectors are used throughout chiller equipment, including control and starter boxes, compressor motors, pumps, fans, HMI and displays, sensors, power connections, and communication interfaces. Depending on the connection point, connectors carry power, control signals, sensor data, or network communications between chiller components.
Why are sealed connectors important in chiller systems? +
Chiller systems can expose electrical connections to moisture, condensation, dust, dirt, and other environmental contaminants. Sealed connectors can help protect power, signal, sensor, and communication connections from these conditions while supporting reliable electrical performance in demanding chiller environments.
What should engineers consider when selecting connectors for chiller systems? +
Connector selection for chiller systems depends on the electrical, mechanical, and environmental requirements of each connection point. Engineers may need to consider current and voltage, available space, sealing, temperature, vibration, secure locking, cable routing, installation, and serviceability when specifying connectors for power, controls, sensors, and communication interfaces.
Are connector requirements different for data center and commercial HVAC chillers? +
Data center and commercial HVAC chillers share many connector requirements, including reliable power, control, sensor, HMI, and communication connections. Data center applications may place greater emphasis on uptime, equipment density, vibration resistance, compact routing, and serviceability, while commercial HVAC designs may prioritize high-power connections, environmental protection, secure locking, cable routing, and installation requirements. Connector selection ultimately depends on the chiller architecture and operating environment.
How can connector selection simplify chiller wiring and installation? +
Connector selection can help simplify chiller wiring by supporting compact routing, secure mating, clear polarization, modular connections, and branch connections for sensors and internal power distribution. Branch connector designs can reduce cable usage, organize wiring, and simplify installation or service by allowing multiple connections to be distributed from a common point.
What connectors are used for chiller controls, sensors, and communication? +
Chiller controls and sensors may use wire-to-board, board-to-board, FPC/FFC, and branch connectors for HMI, display, temperature, pressure, flow, and other sensing connections. Communication and service interfaces may use Ethernet, USB Type-C, and other industrial communication connectors depending on the chiller architecture and system requirements.
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Designing with Sealed Connectors

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      Recommended Chiller Connector Series

These connector families support key power, control, sensing, and communication connections throughout commercial HVAC and data center chiller systems.

Select an application above each series to view the related connector guide. 

CHILLERS  |  REFRIDGERATED CONTAINERS  

DF22 Series

7.92mm Pitch, Up to 30A, High-Current Wire-to-Board Power Connector

HiroseAmericas_DF22-DF22B_LP Image2_012026

HVAC  |   CHILLERS  

DF22B Series

7.92mm Pitch, Up to 30A, High-Current Branch Adapter Connector

 

HiroseAmericas_DF22B_LP Image_012026

HVAC  |  THERMOSTAT  |  CHILLERS  

DF51B Series

2.0mm Pitch, Positive-Lock Crimp Branch Connector

 

Image of DF51B Branch Series Connector by Hirose Electric, showcasing its 2mm pitch, positive lock design, and versatile connection options

THERMOSTAT  |  CHILLERS  |  REFRIDGERATED CONTAINERS  

DF51 Series

2.0mm Pitch, Positive-Lock Wire-to-Board Connector

HiroseAmericas_DF51_LP Image2_012026

CHILLERS  

HR41 Series

IP67/IP68 Waterproof Circular Connector with Bayonet Lock

 

HiroseAmericas_HR41_LP Image2_012026

CHILLERS  

DF60 Series

10.16mm Pitch, Up to 65A, High-Current Wire-to-Board Power Connector

Image of DF60 Series Connector by Hirose Electric Americas- 65A, 10.16mm pitch for reliable power supply connections

CHILLERS  

DF63 Series

3.96mm Pitch, Up to 15A, Wire-to-Board Power Connector

HiroseAmericas_DF63WZA_LP Image2_012026

HVAC  |   CHILLERS  |  REFRIDGERATED CONTAINERS  

DF63W Series

3.96mm Pitch, IP67 Waterproof, Up to 14A Power Connector

 

Product | Image of Hiroses compact DF63W connector, tailored for waterproofing internal power supplies in micro-mobility devices. Title Text.

CHILLERS  

FX30B Series

3.81mm / 7.62mm Pitch, Floating Board-to-Board Power Connector, Up to 25A

HiroseAmericas_FX30B_LP Image2_012026

 

More Climte Control Solutions

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CHILLERS  |   REFRIDGERATED CONTAINERS  

FX31 Series

9.5mm Pitch, Floating Board-to-Board Power Connector, Up to 25A

HiroseAmericas_FX31_LP Image2_012026

CHILLERS  

ZE150HV Series

Automotive-Grade Ethernet I/O Connector, IP65/67, Push-Pull Lock

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CHILLERS  

ZE064W Series

Small Waterproof Automotive Interface Connector, IP67/IP69K

 

Image of Hirose ZE064W Series connector, a compact, waterproof automotive connector with high vibration and heat resistance for harsh environments.

 

Chiller Connector Solutions

Need Help with Your Chiller Design?

Connect with Hirose to discuss power, control, sensor, HMI, and communication requirements for your application.