Hybrid Air-Liquid Cooling Load Bank

Model No: GP-LB-HYB-228K-LC-V2-2510

Overview

An intelligent, rack-optimized system designed for the commissioning and load testing of power supply systems, liquid-cooled cabinets, and Cooling Distribution Units (CDUs).

This integrated unit delivers a total capacity of 228kW, comprising a 180kW liquid-cooled unit and a 48kW air-cooled unit. To ensure high-precision testing, both units support continuous and stepped load adjustments with a 1kW minimum step. The equipment is engineered for durability andhigh-demand environments, utilizing 304 stainless steel pipelines, Class F insulation, and high-flow fans for reliable heat dissipation.

For operational control and safety, the unit is equipped with a 7.5" touchscreen HMI that monitors real-time parameters, including temperature, pressure, and flow rates and supports both local and remote Modbus-based communication. A multi-level safety logic is integrated to protect the equipment, providing automated responses ranging from warnings and alarms to emergency trips for conditions such as low flow rates, over-temperature, and leakage. Designed for scalability, multiple units can be paralleled for higher capacity requirements, while the compact dimensions ensure seamless integration into standard data centre racks. This system provides a scalable, high-efficiency solution for demanding load tests, ensuring both reliability and operational adaptability.

Features

Technological Breakthroughs

Dual Cooling System

By combining high-flow forced air cooling with a precision liquid-cooling circuit, the system provides the versatility required to simulate complex, modern thermal loads with high reliability.

Continuous Load Adjustments

The system supports both continuous and granular stepped adjustments with a minimum resolution of 1kW. This allows for exact simulation across the 180kW liquid-cooled and 48kW air-cooled sections:

  • Liquid-Cooled: 1-180kW, minimum load step: 1kW

  • Air-Cooled: 1-48kW, minimum load step: 1kW

Rack-Optimised Design

Engineered to fit standard rack dimensions, the equipment allows for seamless integration into existing cabinet infrastructures, making it ideal for on-site commissioning and testing, easy integration into data centres

Designed for long-duration stability, the equipment utilizes Class F insulation and pipelines made of 304 stainless steels to ensure consistent performance during extended load testing cycles.

Continuous Operation

Intelligent Command and Control

Users can manage operations via local 10” touchscreen and remote automatic control.

Modular Expansion

Multiple units can be paralleled for higher capacity

Application Scenarios

Electrical Performance Tests: Withstand voltage, insulation, load accuracy, steady-state and step response

Data centre Integrated Cooling Verification: Commissioning and verification of hybrid cooling systems

Protection and Interlock Tests: Low liquid level, high temperature, emergency stop, over-current and over voltage protection

Load Testing of Liquid-Cooled IT cabinets and Testing of CDUs (Cooling Distribution Units)

Specifications

Hybrid Air-Liquid Cooling Load Bank

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