STULZ worldwide

CyberRack SideCooler

Future-proof. Compact. Efficient.

CyberRack SideCooler is a water-cooled unit specifically designed to meet the demands of modern edge applications and micro data centers. The unit can be flexibly integrated as a space-saving closed-loop system directly between server racks or within a micro data center. This enables cooling to occur directly at the heat source.

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Product Overview

At a glance Benefits Features Technical Data

Most important benefits

  • Available in both closed-loop and open-loop configurations
  • Universally applicable – compatible with racks from all manufacturers
  • Energy efficient thanks to intelligent control and modern EC technology

Most important features

  • Hot-swappable fans
  • More flexibility thanks to different valves
  • Humidity sensor for precise control of the rack environment

Most important technical data

  • Cooling capacity (kW): 18.1 - 51.0
  • Cooling systems: Chilled water system (CW/CW2)
  • Available in both closed-loop and open-loop configurations
  • Maximum cooling capacity with minimal footprint
  • Energy efficient thanks to intelligent control and modern EC technology
  • Universally applicable – compatible with racks from all manufacturers
  • Low noise emissions due to the unit design and EC technology
  • Intuitive operation of the STULZ controller with a clear menu structure and optional touch display
  • High reliability and long service life for continuous 24/7/365 operation
  • Various airflow concepts for maximum flexibility
  • Maintenance-friendly design with local service
  • Quick connections and compact design enable
  • Humidity sensor for precise control of the rack environment
  • More flexibility thanks to different valves: 2-way, 3-way or PIC valve – aligned to the specific system requirements
  • Filter class ePM10 50% (ISO 16890)/
  • G4 (DIN EN 779) for open-loop units
  • Hot-swappable fans

Open-loop Unit

Air discharge: front and side

CYWA52 CYWB72 CYWD02 CYWB42
Cooling capacity (kW) 22.71) 36.91) 51.01) 18.12)
Airflow (m³/h) 4,500 5,200 7,600 4,300
Power consumption (kW) 0.7 0.8 2.6 0.8
EER 32.43 46.13 19.62 22.63
Sound pressure level (dBA) 61 63 72 63
Dimensions (width x depth x height) (mm) 300 x 1,200 x 1,950 300 x 1,200 x 1,950 300 x 1,200 x 1,950 300 x 1,200 x 1,950

1)Return air conditions: 35 °C/30 % RH.; water conditions: 10/16 °C
2)Return air conditions: 35 °C/30 % RH; water conditions: 12/18 °C

For technical data on the following models, please contact your local STULZ sales office: Closed-loop systems, open-loop systems with side or front air discharge, unit depth: 1,000 mm.

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More details about CyberRack SideCooler

Compact Precision Cooling for high-performance IT infrastructures

Particularly in environments with higher heat loads, where efficient and flexible air conditioning is essential, the CyberRack SideCooler stands out with its compact design, easy integration, and high ease of maintenance while offering a future-proof solution with a clear focus on energy efficiency.

The STULZ CyberRack SideCooler

Closed-loop installation

  • Delivers all cooling capacity in a closed server rack
  • Targeted cooling directly in the rack enables high water temperatures and extended use of Free Cooling
  • Demand-based cooling of servers at full and partial load
  • No warm return air in the IT room
  • No need for hot and cold aisle separation
Closed-loop installation

Maximum reliability thanks to precise control

  • Maximum reliability: Differentiated warning and alarm system
  • Energy management: Helps to optimize the energy demand of interconnected systems and enables the operation of several air conditioning units in parallel across more than one machine
  • Very easy to service: Plug-and-play installation and optimized control parameters for simplified servicing
  • Monitoring: Start-up is simplified by direct BMS interfaces on the controller, support for all relevant BMS protocols, and a compact data point list.
Maximum reliability thanks to precise control

Maintenance-friendly design

  • All main components offer full service accessibility from the front and rear.
  • The sliding E-box provides simple access to the electronics.
  • Hot-swappable fans enable quick and safe replacement during operation.
  • Compact design with integrated wheels and feet for easy handling.
Maintenance-friendly design of Cyberrack SideCooler

Open-loop installation: Maximum flexibility

The modern unit design enables space-saving installation directly between server racks. Thanks to multiple airflow configurations, this unit series can be perfectly adapted to suit individual air management concepts.

Open-loop installation for maximum flexibility

Optimized performance with STULZ Cooling Systems

The CyberRack SideCooler units operate most efficiently in combination with the CyberCool Explorer WS chiller. STULZ solutions are ideally harmonized to cool your IT systems efficiently and reliably.

Optimized performance with STULZ Cooling Systems

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