Water-Cooled Precision Air Conditioner
The Water-Cooled Precision Air Conditioner is an advanced environmental control system designed to provide precise temperature and humidity regulation for mission-critical applications. By integrating cooling, heating, humidification, and dehumidification into a single intelligent unit, it automatically maintains a stable indoor environment with exceptional accuracy and reliability.
Water-Cooled Precision Air Conditioner Equipped with high-precision temperature and humidity sensors, an industrial-grade refrigeration system, and an intelligent PLC control platform, the unit continuously monitors environmental conditions and automatically adjusts its operating status in real time. This closed-loop control ensures that temperature and humidity remain within the required process range, providing a consistent environment for sensitive industrial applications.
Water-Cooled Precision Air Conditioner Designed for continuous 24/7 operation, the system offers outstanding reliability, energy efficiency, and adaptability under varying load conditions. Its robust industrial construction and intelligent control capabilities make it suitable for long-term operation in demanding environments where environmental stability is critical.
The Water-Cooled Precision Air Conditioner is widely used in electronics manufacturing, semiconductor fabrication, laboratories, pharmaceutical production, food processing, museums, archives, precision instrument workshops, cleanrooms, and other facilities requiring accurate environmental control to protect product quality and ensure process consistency.
Featuring a compact modular design, the unit is available in floor-standing, ceiling-mounted, ducted, and customized configurations. Flexible engineering solutions allow the system to meet diverse installation requirements and accommodate different building layouts and industrial processes.
Technical Specifications
| Performance Parameter Table of Water-Cooled Precision Air Conditioner | ||||||||||||||||||||
| Category / Parameter Item | H8 | H10 | H15 | H22 | H30 | H34 | H45 | H60 | H70 | H90 | H105 | H115 | H135 | H150 | H175 | H200 | H225 | H250 | H275 | H305 |
| Unit — Cooling Capacity (kW) | 7.9 | 9.8 | 14.5 | 21.6 | 29.5 | 34.2 | 44.5 | 59.5 | 70 | 89.5 | 104.1 | 114.6 | 134.8 | 150 | 172.8 | 200 | 225.2 | 247 | 275 | 305 |
| Unit — Cooling Capacity (10⁴ kcal/h) | 0.7 | 0.8 | 1.3 | 1.9 | 2.5 | 2.9 | 3.8 | 5.1 | 6.0 | 7.7 | 9.0 | 9.9 | 11.6 | 12.9 | 14.9 | 17.2 | 19.4 | 21.2 | 23.7 | 26.2 |
| Unit — Capacity Regulation (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100, 50 | 100, 50 | 100, 50 | 100, 50 | 100, 67, 33 | 100, 50 | 100, 50 | 100, 50 | 100, 50 | 100 | 100, 66, 33 | 100 | 100 | 100, 75, 50, 25 |
| Unit — Electric Heating Power (kW) | 5 | 5 | 6 | 9 | 12 | 15 | 21 | 27 | 36 | 45 | 46 | 48 | 60 | 66 | 75.6 | 88.2 | 100.8 | 113.4 | 121.5 | 135 |
| Unit — Electric Heating Capacity (10⁴ kcal/h) | 0.4 | 0.4 | 0.5 | 0.8 | 1.0 | 1.3 | 1.8 | 2.3 | 3.1 | 3.9 | 4.0 | 4.1 | 5.2 | 5.7 | 6.5 | 7.6 | 8.7 | 9.8 | 10.5 | 11.6 |
| Unit — Hot Water Heating Capacity (kW) | 8 | 10 | 16 | 19 | 22 | 30 | 46 | 50 | 62 | 67 | 80 | 85 | 90 | 95 | 138 | 143 | 160 | 198 | 198 | 210 |
| Unit — Hot Water Heating Cap. (10⁴ kcal/h) | 0.7 | 0.9 | 1.4 | 1.6 | 1.9 | 2.6 | 4.0 | 4.3 | 5.3 | 5.8 | 6.9 | 7.3 | 7.7 | 8.2 | 11.9 | 12.3 | 13.8 | 17.0 | 17.0 | 18.1 |
| Unit — Steam Heating Capacity (kW) | 10 | 10 | 21 | 26 | 30 | 40 | 62 | 68 | 83 | 90 | 105 | 115 | 120 | 132 | 190 | 200 | 224 | 275 | 275 | 305 |
| Unit — Steam Heating Cap. (10⁴ kcal/h) | 0.9 | 0.9 | 1.4 | 2.2 | 2.6 | 3.4 | 5.3 | 5.9 | 7.1 | 7.7 | 9.0 | 9.9 | 10.3 | 11.4 | 16.3 | 17.2 | 19.3 | 23.7 | 23.7 | 26.2 |
| Unit — Air Volume (m³/h) | 1,500 | 2,200 | 3,000 | 4,500 | 6,000 | 7,000 | 8,000 | 10,000 | 13,000 | 15,000 | 17,000 | 20,000 | 22,000 | 24,000 | 30,000 | 34,000 | 39,000 | 45,000 | 45,000 | 50,000 |
| Unit — External Static Pressure (Pa) | 150 | 150 | 150 | ≥250 | ≥280 | ≥350 | ≥300 | ≥300 | ≥330 | ≥300 | ≥400 | ≥400 | ≥350 | ≥350 | ≥450 | ≥520 | ≥500 | ≥450 | ≥450 | ≥500 |
| Unit — Noise [dB(A)] | 60 | 62 | 64 | 65 | 69 | 69 | 69 | 71 | 71 | 73 | 74 | 76 | 77 | 80 | 80 | 80 | 80 | 82 | 82 | 83 |
| Unit — Temp. Range & Accuracy | Control Range: 18 – 28°C, Accuracy: ±0.5 – 1.0°C | |||||||||||||||||||
| Unit — Humidity Range & Accuracy | Control Range: 50 – 70%RH, Accuracy: ±5 – 10%RH | |||||||||||||||||||
| Unit — Power Supply | 380V, 50Hz, 3-Phase 4-Wire System | |||||||||||||||||||
| Unit — Cooling Power Consumption (kW) | 2.1 | 2.6 | 3.9 | 5.8 | 7.7 | 9.4 | 11.9 | 16.1 | 19.2 | 24.6 | 28.5 | 34.6 | 40.6 | 44.6 | 51.6 | 60.9 | 67.9 | 73.4 | 77.4 | 87.7 |
| Refrigeration — Compressor Type | Hermetic Scroll Type | |||||||||||||||||||
| Refrigeration — Compressor Qty (Set) | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 4 |
| Refrigeration — Comp. Nominal Power (kW) | 2.1 | 2.6 | 3.7 | 5.6 | 7.5 | 9 | 11.2 | 15 | 18 | 22.5 | 26.3 | 30 | 37.5 | 41.3 | 45 | 52.5 | 60 | 63.8 | 67.5 | 75 |
| Refrigeration — Refrigerant Type | R22 / R407C | |||||||||||||||||||
| Refrigeration — Throttling Method | Thermostatic Expansion Valve | |||||||||||||||||||
| Refrigeration — Evaporator Type | Copper Tube with Aluminum Fins | |||||||||||||||||||
| Refrigeration — Condenser Type | Shell and Tube Type | |||||||||||||||||||
| Refrigeration — Condenser Water Vol. (t/h) | 2 | 2.2 | 3.5 | 5.5 | 6.5 | 8 | 10 | 13.5 | 15 | 20 | 23 | 26 | 30 | 33 | 38 | 44 | 50 | 55 | 60 | 66 |
| Refrigeration — Condenser Pipe Diameter | Rp1-1/4 | Rp1-1/4 | Rp1-1/4 | Rp1-1/4 | Rp1-1/4 | Rp1-1/4 | Rp1-1/2 | Rp1-1/2 | Rp1-1/2 | Rp2-1/2 | Rp2-1/2 | Rp2-1/2 | Rp2-1/2 | Rp2-1/2 | Rp3 | Rp3 | DN100 | DN100 | DN100 | Rp3 |
| Fan — Fan Type | External Rotor Low Noise Centrifugal Type | |||||||||||||||||||
| Fan — Fan Quantity (Set) | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
| Fan — Fan Power (kW) | 0.3 | 0.4 | 0.5 | 0.8 | 1.1 | 2 | 2 | 3 | 4.4 | 4.4 | 6 | 8 | 8 | 8 | 11 | 15 | 15 | 16.5 | 16.5 | 22.5 |
| Fan — Plenum Type Power (kW) | 0.2 | 0.3 | 0.4 | 0.6 | 0.7 | 1.1 | 1.3 | 1.8 | 3 | – | – | – | – | – | – | – | – | – | – | – |
| Fan — Filter Type | Primary / Pre-filter | |||||||||||||||||||
| Heater — Electric Heater Type | Electric Resistance Type | |||||||||||||||||||
| Heater — Electric Heating Power (kW) | 5 | 5 | 6 | 9 | 12 | 15 | 21 | 27 | 36 | 45 | 46 | 48 | 60 | 66 | 75.6 | 88.2 | 100.8 | 113.4 | 121.5 | 135 |
| Heater — Hot Water Heating Cap. (kW) | 8 | 10 | 16 | 19 | 22 | 30 | 46 | 50 | 62 | 67 | 80 | 85 | 90 | 95 | 138 | 143 | 160 | 198 | 198 | 210 |
| Heater — Hot Water Pipe Dia. (DN) | 25 | 25 | 25 | 25 | 25 | 25 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 40 | 40 | 40 | 40 | 40 | 40 |
| Heater — Steam Heating Capacity (kW) | 10 | 10 | 21 | 26 | 30 | 40 | 62 | 68 | 83 | 90 | 105 | 115 | 120 | 132 | 190 | 200 | 224 | 275 | 275 | 305 |
| Heater — Steam Pipe Dia. (DN) | 25 | 25 | 25 | 25 | 25 | 25 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 40 | 40 | 40 | 40 | 40 | 40 |
| Humidifier — Humidifier Type | Electrode Type | |||||||||||||||||||
| Humidifier — Humidification Cap. (kg/h) | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 15 | 15 | 15 | 15 | 15 | 15 | 23 | 23 | 45 | 45 | 45 | 45 |
| Humidifier — Humidifier Power (kW) | 3 | 3 | 3 | 3 | 3 | 3 | 3.7 | 3.7 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 17.2 | 17.2 | 34 | 34 | 34 | 34 |
| Humidifier — Water Inlet Pipe Dia. (inch) | 3/4″ | |||||||||||||||||||
| Dimensions — Length (mm) | 980 | 980 | 980 | 1,300 | 1,300 | 1,500 | 1,720 | 1,720 | 1,950 | 1,950 | 1,950 | 2,150 | 2,300 | 2,300 | 2,500 | 2,700 | 2,700 | 3,000 | 3,300 | 3,600 |
| Dimensions — Width (mm) | 600 | 600 | 600 | 740 | 740 | 740 | 855 | 855 | 1,150 | 1,150 | 1,250 | 1,250 | 1,250 | 1,250 | 1,265 | 1,365 | 1,365 | 1,365 | 1,365 | 1,365 |
| Dimensions — Height (mm) | 1725[2025] | 1725[2025] | 1725[2025] | 1875[2175] | 1875[2175] | 1875[2235] | 1875[2235] | 1875[2235] | 1900[2430] | 1,900 | 1,970 | 1,970 | 1,970 | 1,970 | 2140 | 2293 | 2293 | 2485 | 2485 | 2485 |
| Net Weight (kg) | 290 | 300 | 330 | 440 | 460 | 510 | 690 | 720 | 950 | 1,000 | 1,200 | 1,500 | 1,550 | 1,900 | 2,100 | 2,400 | 2,700 | 2,900 | 3,000 | 3,200 |
Core Functions
- Integrated temperature and humidity control system
- Automatic cooling, heating, humidification, and dehumidification
- Real-time environmental monitoring with intelligent automatic adjustment
- Designed for stable 24/7 continuous operation
- Optional RS485 communication for remote monitoring and BMS integration
- Comprehensive safety protection, including high-pressure, overload, water shortage, and over-temperature protection
Key Features
- High-precision temperature and humidity control with excellent environmental stability
- Industrial-grade scroll compressor ensures reliable long-term performance
- Energy-efficient design reduces operating costs and power consumption
- Intelligent PLC control system with user-friendly operation and unattended running capability
- Multiple installation options, including floor-standing, ceiling-mounted, ducted, and customized configurations
- Compatible with Building Management Systems (BMS) and factory central control systems
Technical Advantages
The system combines advanced refrigeration technology with intelligent electric humidification and dehumidification modules to achieve precise three-dimensional control of temperature, humidity, and airflow. Through intelligent load-based capacity adjustment, the unit automatically optimizes its operating performance to minimize energy consumption while maintaining excellent environmental stability.
Its fast dehumidification response, stable humidification performance, and closed-loop PLC control ensure outstanding precision even under rapidly changing environmental conditions, making it ideal for demanding industrial processes.
Typical Applications
- Semiconductor Manufacturing
- Electronics Production Facilities
- Precision Instrument Manufacturing
- Testing & Calibration Laboratories
- Research Institutes
- Pharmaceutical Manufacturing Workshops
- Medical Storage Facilities
- Food Processing & Cold Storage
- Museums & Archives
- Cultural Heritage Preservation
- Battery & New Energy Material Production
- High-End Manufacturing Facilities
- Data Centers & Communication Equipment Rooms
- Cleanrooms
Application Benefits
Maintaining precise environmental conditions is essential for ensuring product quality, manufacturing consistency, and experimental accuracy. The Water-Cooled Precision Air Conditioner effectively prevents moisture absorption, material deformation, oxidation, corrosion, static electricity, and performance fluctuations caused by unstable temperature and humidity.
By providing a continuously controlled indoor climate, the system helps improve production yield, reduce equipment failures, extend product lifespan, and create optimal conditions for scientific research and high-precision manufacturing. It has become an indispensable environmental control solution for modern industrial and research facilities.
For more information about humidity control standards,please refer to ASHRAE.

