Computer Room Constant Humidity Unit

Computer Room Constant Humidity Unit
Computer room constant humidity unit for data centers with automatic humidifying and dehumidifying control for stable, reliable humidity management.
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Product Introduction

The dedicated constant humidity unit for computer rooms is a combined humidification and dehumidification device specifically designed for data centers. It maintains the room humidity within an optimal range, preventing premature aging of electronic components caused by excessively low or high humidity levels.


● Microcomputer automatic control

● International brand compressor for efficient and reliable dehumidification

● Automatic mode, humidification mode, and dehumidification mode

● Media humidifier adapts to various water qualities – tap water, softened water, and purified water.

● High-efficiency centrifugal fan with low noise and long air throw distance

● Standard gravity drain; optional condensate lift pump for forced drainage

● Refrigeration dehumidification combined with media humidification

● Multiple protection features; automatic shutdown and alarm upon unit fault, eliminating water leakage risks


Technical Parameters

Parameter

WA-CH05E

WA-CH07E

WA-CH10E

WA-CH15E

WA-CH20E

Mounting Type

Ducted / Direct

Ducted / Direct

Ducted / Direct

Ducted / Direct

Ducted / Direct

Power Supply

220VAC-50Hz

220VAC-50Hz

380VAC 3N-50Hz

380VAC 3N-50Hz

380VAC 3N-50Hz

Dehumidification Capacity (kg/h)

5

7

10

15

20

Humidification Capacity (kg/h)

3

4

4

8

8

Humidifier Power (kW)

2.25

3

3

6

6

Humidifier Type

Electrode

Electrode

Electrode

Electrode

Electrode

Airflow (m³/h)

1500 (Ducted) / — (Direct)

2000 (Ducted) / — (Direct)

2800 (Ducted) / — (Direct)

4000 (Ducted) / — (Direct)

5000 (Ducted) / — (Direct)

External Static Pressure (Pa)

50

50

100

100

120

Fan Power (kW)

0.32

0.37

0.45

0.75

1.1

Fan Type

High-efficiency centrifugal fan

High-efficiency centrifugal fan

High-efficiency centrifugal fan

High-efficiency centrifugal fan

High-efficiency centrifugal fan

Refrigerant Type / Charge (kg)

R410a/1.45

R410a/2.3

R410a/4.2

R410a/2.3×2

R410a/4.2×2

Compressor Type

Hermetic rotary

Hermetic rotary

Hermetic rotary

Hermetic rotary

Hermetic rotary

Compressor Quantity

1

1

1

2

2

Max Input Power (kW)

4.5

6.5

8.5

12.5

16.5

Max Input Current (A)

20.5

12.6

17

23.5

34.5

Dimensions






Length (mm) — Ducted

650

680

780

1010

1300

Length (mm) — Direct

650

680

780

1010

1300

Width (mm) — Ducted

480

550

650

750

750

Width (mm) — Direct

480

550

650

750

750

Height (mm) — Ducted

1750

1780

1880

2115

2115

Height (mm) — Direct

1520

1580

1650

1760

1760

Weight, dry (kg) — Ducted

170

210

245

315

355

Weight, dry (kg) — Direct

155

195

230

300

330

Weight, wet (kg) — Ducted

185

230

265

335

385

Weight, wet (kg) — Direct

170

215

245

320

360

Pipe Connections

Water Inlet

RC3/4"

RC3/4"

RC3/4"

RC3/4"

RC3/4"

Drain

DN25

DN25

DN25

DN25

DN25


Notes:

● Test conditions: Power supply 380V/50Hz 3N; test condition: dry-bulb 27°C, wet-bulb 21.2°C; maximum condition: dry-bulb 32°C, wet-bulb 23°C.

● Users may also provide their own fans for this dehumidifier series. The fan power cable should be connected to the reserved terminals in the dehumidifier's power control panel to enable interlocking between the dehumidifier and the fan.

● For detailed technical parameters, please contact our technical department.

● Due to product updates and iterations, specification changes may not be notified in a timely manner. We appreciate your understanding.


Related Suggestion

Computer Room Constant Humidity Unit
更新时间:Jul 22, 2026
Computer Room Constant Humidity Unit

Product Introduction

The dedicated constant humidity unit for computer rooms is a combined humidification and dehumidification device specifically designed for data centers. It maintains the room humidity within an optimal range, preventing premature aging of electronic components caused by excessively low or high humidity levels.


● Microcomputer automatic control

● International brand compressor for efficient and reliable dehumidification

● Automatic mode, humidification mode, and dehumidification mode

● Media humidifier adapts to various water qualities – tap water, softened water, and purified water.

● High-efficiency centrifugal fan with low noise and long air throw distance

● Standard gravity drain; optional condensate lift pump for forced drainage

● Refrigeration dehumidification combined with media humidification

● Multiple protection features; automatic shutdown and alarm upon unit fault, eliminating water leakage risks


Technical Parameters

Parameter

WA-CH05E

WA-CH07E

WA-CH10E

WA-CH15E

WA-CH20E

Mounting Type

Ducted / Direct

Ducted / Direct

Ducted / Direct

Ducted / Direct

Ducted / Direct

Power Supply

220VAC-50Hz

220VAC-50Hz

380VAC 3N-50Hz

380VAC 3N-50Hz

380VAC 3N-50Hz

Dehumidification Capacity (kg/h)

5

7

10

15

20

Humidification Capacity (kg/h)

3

4

4

8

8

Humidifier Power (kW)

2.25

3

3

6

6

Humidifier Type

Electrode

Electrode

Electrode

Electrode

Electrode

Airflow (m³/h)

1500 (Ducted) / — (Direct)

2000 (Ducted) / — (Direct)

2800 (Ducted) / — (Direct)

4000 (Ducted) / — (Direct)

5000 (Ducted) / — (Direct)

External Static Pressure (Pa)

50

50

100

100

120

Fan Power (kW)

0.32

0.37

0.45

0.75

1.1

Fan Type

High-efficiency centrifugal fan

High-efficiency centrifugal fan

High-efficiency centrifugal fan

High-efficiency centrifugal fan

High-efficiency centrifugal fan

Refrigerant Type / Charge (kg)

R410a/1.45

R410a/2.3

R410a/4.2

R410a/2.3×2

R410a/4.2×2

Compressor Type

Hermetic rotary

Hermetic rotary

Hermetic rotary

Hermetic rotary

Hermetic rotary

Compressor Quantity

1

1

1

2

2

Max Input Power (kW)

4.5

6.5

8.5

12.5

16.5

Max Input Current (A)

20.5

12.6

17

23.5

34.5

Dimensions






Length (mm) — Ducted

650

680

780

1010

1300

Length (mm) — Direct

650

680

780

1010

1300

Width (mm) — Ducted

480

550

650

750

750

Width (mm) — Direct

480

550

650

750

750

Height (mm) — Ducted

1750

1780

1880

2115

2115

Height (mm) — Direct

1520

1580

1650

1760

1760

Weight, dry (kg) — Ducted

170

210

245

315

355

Weight, dry (kg) — Direct

155

195

230

300

330

Weight, wet (kg) — Ducted

185

230

265

335

385

Weight, wet (kg) — Direct

170

215

245

320

360

Pipe Connections

Water Inlet

RC3/4"

RC3/4"

RC3/4"

RC3/4"

RC3/4"

Drain

DN25

DN25

DN25

DN25

DN25


Notes:

● Test conditions: Power supply 380V/50Hz 3N; test condition: dry-bulb 27°C, wet-bulb 21.2°C; maximum condition: dry-bulb 32°C, wet-bulb 23°C.

● Users may also provide their own fans for this dehumidifier series. The fan power cable should be connected to the reserved terminals in the dehumidifier's power control panel to enable interlocking between the dehumidifier and the fan.

● For detailed technical parameters, please contact our technical department.

● Due to product updates and iterations, specification changes may not be notified in a timely manner. We appreciate your understanding.


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