- Wide adjustable temperature range from -30°C to 25°C.
- High-efficiency imported compressors, 10–20% energy savings over conventional.
- PLC touch control and branded circuitry for simple, reliable operation.
- Fully tested, customizable units with stable performance and easy installation.
Air-cooled Industrial Water Chiller
Product Details:
The JZ-DW series low-temperature chillers are a new generation of industrial refrigeration equipment developed using advanced foreign technology.
They are designed specifically for demanding applications in:
- Carbonated beverage bottling
- Pharmaceuticals and chemicals
- Food processing and storage
With a wide temperature control range, stable performance, and flexible configurations, JZ-DW units provide reliable cooling solutions for modern industrial production lines.
Key Features at a Glance
- Wide temperature range: Adjustable from -30°C to 25°C
- Multiple configurations: Air-cooled, water-cooled, screw-type, and industrial low-temperature chillers
- High-efficiency compressors: Energy efficiency 10%–20% higher than conventional compressors
- Imported core components: Maneurop (France), Copeland (USA), Hanbell (Taiwan), Bitzer (Germany)
- Intelligent control: PLC touch panel with clear status display and simple operation
- Reliable electrical system: Circuit control by internationally renowned brands
- Strong cooling capacity: Complete range of specifications for different industry needs
- Factory-tested: 100% performance testing before shipment
- Pre-charged units: Refrigerant and lubricating oil filled before delivery to simplify installation
- Customizable: Non-standard, tailored chillers based on customer requirements and market conditions
Temperature Range & Performance
The JZ-DW series is designed for stable operation in low-temperature working conditions:
- Temperature range: -30°C to 25°C, adjustable according to process needs
- Suitable for carbonated beverage bottling, low-temperature storage, process cooling, and other applications requiring precise temperature control
- Ample cooling capacity across the series ensures that users can select models that match both small and large production scales
This flexibility makes the JZ-DW series suitable for both standard processes and special low-temperature applications.
High-Efficiency Imported Compressors
To ensure high reliability and energy savings, JZ-DW chillers use original imported compressors from globally recognized brands, such as:
- Maneurop (France)
- Copeland (USA)
- Hanbell (Taiwan)
- Bitzer (Germany)
These compressors deliver:
- 10%–20% higher energy efficiency than conventional compressors
- Stable long-term operation with reduced power consumption
- Strong adaptability to different working conditions and load changes
This helps users reduce operating costs while maintaining consistent cooling performance.
Intelligent Control & Electrical System
PLC Intelligent Touch Panel
The control system adopts a PLC intelligent touch panel, offering:
- Intuitive interface and easy operation
- Real-time display of operating status and key parameters
- Fast adjustment of settings and setpoints
- Improved monitoring and fault indication
This allows operators to manage the chiller quickly and accurately, reducing training time and operational complexity.
Internationally Renowned Electrical Components
The electrical control circuit uses components from well-known international brands, ensuring:
- High reliability and long service life
- Stable control and protection under continuous operation
- Reduced risk of downtime due to component failure
Series Types & Configuration Options
The JZ-DW line covers multiple chiller types to match different installation environments and process requirements:
- Low-Temperature Chillers – Standard low-temperature models for general industrial use
- Air-Cooled Low-Temperature Chillers – No need for cooling towers; suitable where water resources are limited
- Water-Cooled Low-Temperature Chillers – Higher efficiency with cooling tower or water system support
- Screw-Type Low-Temperature Chillers – Suitable for medium to large cooling capacities and continuous operation
- Low-Temperature Industrial Chillers – Designed for heavy-duty, 24/7 industrial applications
Users can select the appropriate configuration based on site conditions, cooling load, and process requirements.
Quality Assurance & Factory Testing
Every JZ chiller is subjected to 100% performance testing before leaving the factory to ensure unit reliability and compliance with relevant standards.
Testing covers, but is not limited to:
- Cooling capacity
- Input power and energy efficiency
- Operating stability under different load conditions
- Safety protection and control functions
This comprehensive testing guarantees that key performance parameters meet relevant standards, specifications, and company requirements, fulfilling JZ’s commitment to customers.
Easy Installation & Commissioning
To simplify on-site work and reduce user costs, each JZ-DW chiller is:
- Pre-charged with refrigerant and lubricating oil before shipment
- Delivered as a ready-to-install unit, minimizing installation and commissioning time
- Designed with user-friendly piping and wiring connections to accelerate start-up
This approach helps users save on installation costs and speeds up the time from delivery to full operation.
Customized Non-Standard Solutions
In addition to standard models, JZ actively promotes customized non-standard chillers:
- Tailored designs based on specific process requirements and working conditions
- Consideration of China’s overall market structure and consumption levels
- Flexible configuration of cooling capacity, compressor type, control system, and structural form
Whether for special low-temperature processes, unique site conditions, or integration with existing production lines, JZ can provide targeted solutions.
Product Parameters:
| Model | JFJ-5DW | JFJ-6DW | JFJ-8DW | JFJ-10DW | JFJ-12DW | JFJ-15DW | JFJ-20DW | JFJ-25DW | FJ–300DW | FJ–400DW | |||
| Nominal cooling capacity | -10℃ | KW | 6.3 | 7.5 | 9.1 | 13.2 | 16.1 | 19.5 | 26.4 | 32.2 | 39.0 | 52.0 | |
| -20℃ | 3.0 | 4.0 | 6.0 | 7.1 | 8.0 | 13.9 | 16.9 | 20.8 | 24.4 | 30.8 | |||
| -30℃ | 1.6 | 1.9 | 2.7 | 3.2 | 3.8 | 6.1 | 9.5 | 12.1 | 14.3 | 19.0 | |||
| -35℃ | 1.0 | 1.5 | 2.3 | 3.0 | 3.0 | 4.3 | 6.4 | 8.3 | 10.1 | 13.4 | |||
| Evaporator | Cooling Water Volume | -10℃ | M³/h | 1.1 | 1.3 | 1.6 | 2.8 | 2.8 | 3.4 | 4.5 | 5.6 | 6.7 | 9.0 |
| -20℃ | 0.5 | 0.7 | 1.1 | 1.38 | 1.4 | 1.4 | 2.9 | 3.6 | 4.2 | ||||
| -30℃ | 0.3 | 0.3 | 0.5 | 0.7 | 0.7 | 1.1 | 1.6 | 2.1 | 2.5 | 3.3 | |||
| -35℃ | 0.2 | 0.3 | 0.4 | 0.52 | 0.5 | 0.7 | 1.1 | 1.4 | 1.7 | 2.3 | |||
| Type | shell & tube(ss plate heat exchanger) | ||||||||||||
| Pipe connection Inch | Inch | 1 | 1 | 1 | 1-1/2 | 1-1/2 | 2 | 2 | 2-1/2 | 2-1/2 | 3 | ||
| Input source | Kw | 4.5 | 5.3 | 7.1 | 9 | 11.2 | 14.5 | 19.0 | 24.5 | 28.5 | 37.5 | ||
| Power source | 3PH 280V 50HZ | ||||||||||||
| Temperature range℃ | -35℃-25℃ | ||||||||||||
| Medium | Antifreeze | ||||||||||||
| Refrigerant | Type | R22(R407℃) | |||||||||||
| Control | Thermostatic expansion valve | ||||||||||||
| Compressor | Type | Hermetic scroll(piston) | |||||||||||
| Motor power | Kw | 3.8 | 4.5 | 6.0 | 7.5 | 9.0 | 11.3 | 7.5×2 | 9.37×2 | 11.3×2 | 30.0 | ||
| Condenser | Type | Finned coil + low noise axial fan | |||||||||||
| Pump | Motor power | Kw | 0.8 | 0.8 | 1.1 | 1.5 | 2.0 | 3.0 | 4.0 | 5.5 | 5.5 | 7.5 | |
| Mix lift | 20 | 20 | 22 | 22 | 24 | 24 | 28 | 28 | 28 | 32 | |||
| Safety devices | Built-in protections include compressor overheating, overcurrent, high/low pressure, overtemperature, flow, phase loss, low liquid level, exhaust overheating. | ||||||||||||
| Dimension | Length | mm | 1400 | 1400 | 1670 | 1670 | 1670 | 2100 | 2400 | 2500 | 2900 | 2900 | |
| Width | mm | 720 | 720 | 760 | 760 | 760 | 900 | 900 | 900 | 1000 | 1000 | ||
| Height | mm | 1300 | 1300 | 1500 | 1500 | 1500 | 1650 | 1650 | 1750 | 1750 | 1750 | ||
| Net weight | kg | 175 | 210 | 310 | 450 | 530 | 750 | 835 | 920 | 1080 | 1125 | ||