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Zhengzhou Hailos Refrigeration Equipment Co.,ltd
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Downflow Precision Server Room AC Unit Constant Temp Humidity CRAC 1550CFM

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Downflow Precision Server Room AC Unit Constant Temp Humidity CRAC 1550CFM

Supply Ability : 200 sets /month

Humidifier types : Electrode type

Humidity control range : 40~75

Model Number : S23

air volume（m³/h） : 6150

MOQ : 1

Delivery Time : 5-8 weeks

Temperature control range（℃） : 18~31

Heat Capacity : 12kg

Outdoor weight : 100kg

Payment Terms : T/T

Refrigerant : R410A

Evaporator type : Copper tube with aluminum fins

Outdoor unit : 850*550*1600

Price : $8000

power supply : 380V 50Hz or custom made

Indoor dimension : 1200*650*1900mm

Indoor Unit Weight : 295kg

Certification : ISO、CE

Cooling(kw) : 25.6kw

Place of Origin : China

Nominal cooling input power(kw) : 23.1KW

Packaging Details : wooden cartons

Humidifier power(kw) : 9Kg

Brand Name : Hailos

Model : S23

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Downflow Precision Air Conditioner Constant Temp Humidity CRAC Unit For Raised Floor Server Room

Product Introduction

This downflow precision air conditioner, also known as CRAC unit, provides constant temperature and humidity control for computer rooms. Cold air is supplied downward to the raised floor, evenly distributing cooling capacity to IT equipment. Equipped with high-precision sensors, the unit maintains stable indoor environment 24/7. Multiple safety protection functions ensure uninterrupted operation to avoid server downtime caused by temperature fluctuation.

Efficient and energy-saving

  • Large air volume and small difference design, high sensible heat ratio, and low energy consumption.
  • Efficient flexible scroll compressor.
  • Efficient large-area copper tube finned evaporator.
  • Structural optimization design to reduce wind resistance, power, and noise.

High reliability

  • 24 hours × 365 days of continuous uninterrupted operation, with a design life of 10 years.
  • All accessories have undergone strict inspection and testing, with stable performance.
  • Adopting PTC heater, safe and reliable.
  • Multiple protection functions ensure reliable operation of the unit.

Compact

  • Modular design of unit structure, flexible assembly.
  • Multiple return air modes are available to adapt to various application scenarios.
  • Compact and optimized design, saving space.
  • Full frontal maintenance design, saving maintenance space.

Intelligent control

  • Chinese/English LCD large display screen, displaying the operating status of various components of the environmental temperature and humidity meter unit.
  • Special controller for constant temperature and humidity air conditioning, advanced PID control technology.
  • Complete protection and alarm functions, master level diagnostic functions.
  • RS485 intelligent communication interface, easy to achieve remote monitoring and online group control.

Typical Applications

  • Small to Medium Server Rooms & Data Centers
  • UPS and Battery Storage Rooms
  • Telecommunication Base Stations & 5G Hubs
  • Medical Imaging Suites (MRI/CT)
  • Industrial Automation & PLC Control Rooms
Technical Parameters
Category Parameter Unit S04 S05 S07 S10 S12 S17 S20 S23 S29
Cooling Total Capacity kW 4.4 5.5 8.1 10.4 12.8 16.9 20.1 25.6 31.3
Sensible Capacity kW 4.3 5.2 7.6 10 12.5 16.1 19 23.1 30.3
Fan Air Flow m3/h 1350 1550 2300 2800 3000 5250 5800 6150 10040
Heater Capacity kW 3 3 3 4 6 6 10 12 12
Humidifier Capacity kg/h 3 3 3 4 4.5 4.5 9 9 9
Unit Size Width mm 750 750 750 750 750 750 1200 1200 1200
Depth mm 500 500 500 500 500 500 650 650 650
Height mm 1800 1800 1800 1900 1900 1900 1900 1900 1900
Outdoor Model - S04W S05W S07W S10W S12W S17W S20W S23W S29W
Weight kg 30 35 40 50 50 60 80 100 120
Category Parameter Unit S35 S41 S47 S58 S66 S83 S99
Cooling Capacity Total Capacity kW 37 45.8 53.7 60.1 70.3 86.3 104.6
Sensible Capacity kW 35.1 43.4 49 58.3 68.9 79.5 95.2
Compressor Type Vortex Vortex Vortex Vortex Vortex Vortex Vortex
Quantity 2 2 2 2 2 2 2
Fan Type AC/EC Centrifugal AC/EC Centrifugal AC/EC Centrifugal AC/EC Centrifugal AC/EC Centrifugal AC/EC Centrifugal AC/EC Centrifugal
Air Flow m3/h 11140 12470 13550 14580 15470 21520 24000
Quantity 2 2 2 2 2 2 2
Optional Accessories Heating Capacity kW 18 18 18 24 24 30 30
Humidifying Capacity kg/h 9 13 13 13 13 13 13
Unit Size Width mm 1200 1200 1750 1750 1750 1750 2000
Depth mm 650 650 850 850 850 850 1000
Height mm 1900 1900 1900 1900 1900 1900 1900
Connecting Pipe Gas Pipe mm 22*2 22*2 22*2 22*2 22*2 25*2 28*2
Fluid Pipe mm 19*2 19*2 19*2 19*2 19*2 19*2 22*2
Drain Pipe mm φ25 φ25 φ25 φ25 φ25 φ25 φ32
Water Inlet Pipe in φ20 φ20 φ20 φ20 φ20 φ20 φ20
Weight Total Weight kg 320 360 460 560 620 900 1000
Distribution Power Supply 380V / 50Hz 380V / 50Hz 380V / 50Hz 380V / 50Hz 380V / 50Hz 380V / 50Hz 380V / 50Hz
Circuit Breaker D D100 D100 D100 D100 D120 D125 D200
Wiring mm2 16 16 16 25 25 25 35
Outdoor Unit Model S31W S41W S47W S58W S66W S83W S99W
Quantity 2 2 2 2 2 2 2
Weight kg 80 80 100 100 120 150 200
Wiring mm2 3*2.5/2 3*2.5/2 3*2.5/2 3*2.5/2 3*2.5/2 3*2.5/2 3*2.5/2
Width mm 850 850 850 850 850 850 2100
Depth mm 550 550 550 550 550 550 1100
Height mm 1600 1600 1600 1600 1600 1600 1100
Product Photo

Downflow Precision Server Room AC Unit Constant Temp Humidity CRAC 1550CFM

Downflow Precision Server Room AC Unit Constant Temp Humidity CRAC 1550CFM

Downflow Precision Server Room AC Unit Constant Temp Humidity CRAC 1550CFM

Downflow Precision Server Room AC Unit Constant Temp Humidity CRAC 1550CFM

Certificate ( CE /ISO )

Downflow Precision Server Room AC Unit Constant Temp Humidity CRAC 1550CFM

Packing

Downflow Precision Server Room AC Unit Constant Temp Humidity CRAC 1550CFM

Project Case

Downflow Precision Server Room AC Unit Constant Temp Humidity CRAC 1550CFM

FAQ
Q1: Who is Zhengzhou Hailos Refrigeration Equipment Co.,ltd?
A1: We are a professional factory specializing in R&D, production and export of precision air conditioners and industrial chillers, located in Zhengzhou, China. We focus on high-precision cooling equipment for data centers, laboratories, laser processing, electroplating, battery factories, medical rooms and industrial production lines. All units are strictly tested before delivery, with complete international certifications for global market sales.
Q2: What is your MOQ (Minimum Order Quantity)?
A2: 1 unit for standard models is acceptable; for customized non-standard machines, MOQ depends on configuration. Distributors with bulk orders get extra factory discount.
Q3: Do you accept factory inspection?

A3: Yes, warm welcome customers to visit our workshop and test equipment on site. We support live video factory tour if you cannot come to China temporarily.

Q4: Where are Hailos precision air conditioners widely used?
A4: Server data room, communication base station, medical lab, testing laboratory, battery workshop, optical equipment room, clean room, electronic manufacturing workshop, industrial control cabinet cooling.
Q5: Can precision air conditioner work all year round without shutdown?
A5: Yes. Our precision cooling units adopt heavy-duty scroll compressor, EC energy-saving fan and independent control system, designed for 24-hour non-stop operation all year long, low failure rate.
Q6: Can I adjust temperature and humidity remotely?
A6: Standard models support Modbus communication to connect with monitoring system; optional WiFi remote control module for mobile phone real-time parameter checking, alarm reminder and parameter modification.
Q7: What refrigerants do you use for precision AC?
A7: Mainly eco-friendly R410A, R134a; we can replace with R32, R290 low-GWP refrigerants to meet local environmental regulations in your country.
Q8: Do you support OEM / ODM customized service?
A8: Yes, full OEM & ODM service available: custom unit size, voltage (380V/220V/415V 50/60Hz), brand logo, control panel language (English, Spanish, Russian, Vietnamese), special refrigerant, remote monitoring system, cabinet color. We can design new model drawing based on your working conditions.
ctant temperature and humidity controltype (model: P xxKA)

Product Tags:

Constant Humidity Server Room AC Unit

      

1550CFM Server Room AC Unit

      

1550CFM precision type air conditioner

      
Quality Downflow Precision Server Room AC Unit Constant Temp Humidity CRAC 1550CFM for sale

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