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How to Calculate the Cooling Capacity of a Data...
September 11, 2025

How to Calculate the Cooling Capacity of a Data Center Air Conditioning System

How to Accurately Calculate the Cooling Capacity Required for a Computer Room In today's rapidly advancing technological landscape, computer rooms have become essential spaces housing various IT equipment and data storage. To ensure that this equipment operates in an optimal environment, the temperature, humidity, and air quality of the computer...

Causes of Frost Buildup on Data Center Air Cond...
April 15, 2026

Causes of Frost Buildup on Data Center Air Conditioning Compressors and Solutions

The compressor is one of the most critical components in a constant temperature/humidity (precision) air conditioner. If the compressor fails, the entire cooling system stops working. Among common compressor issues — unusual noises, frost buildup, not starting — compressor frosting is one we see frequently. Below, we explain why it hap...

What is a precision air conditioner for data ce...
September 11, 2025

What is a precision air conditioner for data centers?

Precision Air Conditioners for Computer Rooms (Constant Temperature & Humidity) Precision air conditioners for computer rooms, also known as constant temperature and humidity units, are specialized systems designed to fully meet the environmental requirements of computer rooms. They provide long-term, uninterrupted control of temperature, hu...

Case Studies

Zhangjiang Precision Air Conditioning Installat...
August 28, 2025

Zhangjiang Precision Air Conditioning Installation Project

Project Background: Due to business growth requirements, the customer procured a Vertiv P1040 precision air conditioner for environmental control in a critical equipment room. This model is known for its stable performance and high-precision temperature and humidity control, making it widely suitable for data centers, communication base stations...

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Precision Air Conditioning for Small Server Rooms

Precision Air Conditioning for Small Server Rooms

Model
VH-CBS006/CBS008/CBS013/CBS017/CBS020
Features
Cooling Only / Heating and Cooling / Constant Temperature and Humidity
Air outlet location
F(≤VH-CBS008)&F/D(≥VH-CBS013)
Input Power Type
220Vac/1Ph/50Hz(VH-CBS008)/380Vac/3Ph/50Hz(≥VH-CBS008)
Cooling capacity
5.8/7.6/12.6/17.5/50.2kW
Refrigerant Type
R410a
Compressor Type
Fixed-speed compressor
Number of compressors
1
Fan Type
DC EC centrifugal fan
Number of fans
1
Fan airflow
1900m³/h(VH-CBS006)/2400m³/h(VH-CBS008)/3800m³/h(VH-CBS013)/5300m³/h(VH-CBS017)/5700m³/h(VH-CBS020)
External pressure
Standard static pressure: 20 Pa; adjustable from 0 to 400 Pa
Electric heating method
PTC Electric Heater
Electric heating capacity
3kW(≤VH-CBS0013)/4kW(≥VH-CBS017)
Humidification Method
Electrode-type humidifier
Humidification capacity
3kg/h
Throttling methods
Electronic expansion valve
Air filter
G4 Panel Filter
Indoor unit noise level
65dBA3kW(≤VH-CBS008)/66dBA3kW(VH-CBS013)/67dBA3kW(VH-CBS017)/68dBA3kW(VH-CBS020)
More parameters
VH-UR33 Rack-Mounted UPS
Smoke Sensor VH-602PC-4Smoke Sensor VH-602PC-4

Smoke Sensor VH-602PC-4

Operating voltage
9V–35V DC
Standby current
12 mA (relay normally closed) & 500 μA (relay normally open)
Trip current
Infrared LED is always on
sensor
Infrared photoelectric sensor
Operating temperature
-10°C to +50°C
Operating humidity
Up to 95% RH (non-condensing)
Resistance to RF interference
10MHz-1GHz 20V/m
Alarm Output
Normally open or normally closed (selectable); contact rating: 28 V DC, 100 mA
Reset method
Automatic reset or power-off reset (optional)
Coverage Area
When the ceiling height is between 6 and 12 meters, the coverage area of a single detector is 80 square meters for a typical protected area; when the ceiling height is less than 6 meters, the coverage area is 60 square meters. Specific parameters should be determined in accordance with the Design Code for Automatic Fire Alarm Systems (GD50116-98).
Applicable Standards
GB 4716-2005, EN 54-7
Sensitivity
0.5 dB/m (±0.1 dB/m)
Dimensions
104 mm (diameter) × 51 mm (height)
More parameters
VH-UR11 1–10 kVA UPS (Uninterruptible Power Sup...
Dual-row micro-module
Precision Air Conditioning for Data Centers
All-in-one cabinet monitoring
VH5030 Series Dust Detectors
VH-UT31 Uninterruptible Power Supply (UPS)
Embedded Environmental Monitoring Host – ...Embedded Environmental Monitoring Host – VH3300-II Series

Embedded Environmental Monitoring Host – VH3300-II Series

Architecture
ARM architecture, multi-language B/S design, built-in Linux operating system; no need to install additional servers or software
Water Leak Alarm
Built-in leak detection, plus a leak detection cord or sensor unit
4G module
Built-in 4G module, supports SMS and voice alerts (optional)
RPM
Internal Fan Speed Monitoring
Computer case
1U/19-inch standard chassis, compact design, suitable for various racks and enclosures
Standard
Industrial-grade design, stable 24/7 operation
Voltage
Wide input voltage range: 100–240 V AC
Design
Redundant Power Supply Design
Stable
Built-in independent watchdog system ensures zero downtime
Expand
Supports the expansion of distributed monitoring devices
Interface
Easy-to-use configuration software; front-panel ports for convenient wiring
More parameters
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