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Kaydeli Chiller Equipment

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Energy Efficiency and Cost Reduction: Case Study of Energy-Saving Retrofit for Chiller Systems in PCB Manufacturing


Printed Circuit Boards (PCBs) are critical components in electronics, serving as the structural and electrical foundation for connecting electronic elements. They are widely used in consumer electronics, telecommunications, computing, automotive systems, industrial controls, medical devices, defense, and aerospace, forming the backbone of modern electronics.

 

The PCB manufacturing industry is highly energy-intensive, consuming significant amounts of water, electricity, and gas. Amid declining orders, price competition, and shrinking profit margins, many manufacturers are prioritizing cost reduction and efficiency gains through energy-saving initiatives to maintain competitiveness.


 Printed Circuit Boards.jpg


PART 01: Application Principles

 

Cooling Requirements

PCB production involves multiple processes such as imaging, etching, drilling, plating, multilayer lamination, solder masking, and electroplating. Precise temperature control is critical for equipment and chemical solutions across these stages:

 

Degreasing: Temperature must be maintained at 60–65°C.

Drilling: Chilled water temperature required at 15–20°C.

Electroplating: Chilled water temperature controlled to 25–30°C. Elevated temperatures risk destabilizing chemical copper baths, degrading electroless copper plating quality.


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Heating Solutions

Many PCB factories still rely on energy-intensive electric heating or steam boilers for process and HVAC heating, which are inefficient and pose safety risks. Kaydeli PCB-specific industrial high-temperature heat pump hybrid systems offer a sustainable alternative. These systems extract waste heat from process cooling water to generate hot water while supplying chilled water for cooling, achieving full utilization of thermal energy and improving the system’s overall Coefficient of Performance (COP).

 

PART 02: Project Background


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A PCB manufacturer in Dongguan, China, had long depended on an outdated chiller plant to meet its production cooling demands. As production scaled up, the system’s inefficiencies—poor energy performance, mismatched configurations, and high operating costs—became untenable.

 

Kaydeli implemented a comprehensive retrofit based on high-efficiency chiller plant design principles, including:

 

Optimized chiller configuration: Strategic mix of chiller capacities and integration of permanent magnet variable-frequency pumps.

Advanced piping design: Minimized hydraulic resistance and energy loss.

Low-water-consumption cooling towers: Reduced makeup water usage.

Intelligent control system: Real-time monitoring and adaptive adjustments.

 

PART 03: Project Highlights


Following a detailed assessment of production conditions and thermal load calculations, Kaydeli deployed its PCB-specific water-cooled screw chiller units paired with insulated buffer tanks. Post-retrofit, the client reported over 50% reduction in energy consumption.

 

Precision Temperature Control

The screw chillers deliver stable cooling water to high-heat processes such as drilling, cutting, etching, and soldering. A precision temperature control system dynamically adjusts outputs to maintain consistent cooling performance.


 

Optimized Magnetic Bearing Chiller Heat Pump Unit.jpg

[Kaydeli PCB-Optimized Magnetic-Bearing Chiller (Heat Pump) Unit]

 

Energy Efficiency

The screw chillers’ high Energy Efficiency Ratio (EER) and stable operation make them ideal for PCB environments with heavy cooling demands. Compared to traditional systems, these units significantly reduce power consumption.

 

Cost Optimization

The retrofitted system adapts cooling capacity based on seasonal climate and production fluctuations. This flexibility minimizes water and energy waste while lowering labor and maintenance costs, enhancing operational efficiency.


 Industrial High-Temperature Heat Pump.jpg

[Kaydeli PCB-Specific Industrial High-Temperature Heat Pump]

 

PART 04: Installation Site


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Kaydeli PCB dedicated chiller is suitable for drilling machines, laser cutting machines, exposure machines/developers, etching equipment, laminating machines, UV curing equipment, etc. By providing stable low-temperature cooling water, it effectively reduces the operating temperature of equipment in the PCB production line and improves the stability and service life of the equipment.


 PCB dedicated chiller Installation Site.jpg


At the same time, the chiller can also help the equipment maintain high precision and high efficiency, thereby improving the quality and production efficiency of PCB products.


 PCB dedicated chiller Installation.jpg


This case study underscores the viability of advanced thermal management solutions in transforming energy-intensive industries. By integrating intelligent design, cutting-edge equipment, and waste heat recovery, Kaydeli demonstrates how PCB manufacturers can achieve sustainability without compromising productivity or quality.


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