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NetCol5000 air conditioning duct problem

Created: Mar 13, 2020 06:45:17Latest reply: Mar 13, 2020 07:05:34 410 2 0 0 0
  Rewarded HiCoins: 5 (problem resolved)

Hi, guys!

Can anyone tell me what is the maximum allowable length of NetCol5000 air conditioning ducts?

Thanks in advance!

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Installation Requirements

Table 1-2 Installation requirements

Installation Mode

Rack-mounted

Height Difference Between Indoor and Outdoor Units

l  If the outdoor unit is placed higher than the indoor unit, the vertical distance between them should be less than or equal to 20 m.

l  If the indoor unit is placed higher than the outdoor unit, the vertical distance between them should be less than or equal to 5 m.

Maximum Equivalent Length of One-way Pipe

60 m

Thermal Insulation Foam Thickness

≥ 13 mm

Water Supply

The inlet water pressure should be 0.1–0.7 MPa, and the temperature should be in the range of 1°C–40°C.

The wet film humidifier should use tap water that meets the following requirements:

l  Non-freezing and nephelometric turbidity units (NTU) < 3

l  No visible substances.

l  6.5 ≤ pH value ≤ 8.5

l  Total hardness (in CaCO3) ≤ 450 mg/L

Ports

Table 1-3 Ports

Item

Specifications

Refrigerant gas pipe

Reserved port: 5/8 inch; thread connection (Table 2-6 lists the materials to be prepared onsite.)

Refrigerant liquid pipe

Reserved port: 3/8 inch; thread connection (Table 2-6 lists the materials to be prepared onsite.)

Humidifier water inlet pipe

Reserved port: G 1/2 inch, thread connection

Condensate pump drainpipe

Reserved port: BSPT 1/2 inch, thread connection

Pipe and cable routing

Top or bottom routing is supported.

 

Table 1-4 Technical specifications

Item

NetCol5000-A010H61301W120E1

NetCol5000-A010H613010020E1

Power system

220–240 V AC, 50 Hz, 1P+N+PE

220–240 V AC, 50 Hz, 1P+N+PE

Voltage tolerance

The voltage threshold ranges from 187 V to 264 V. If front-end voltage fluctuation exceeds this range, you are advised to add a voltage regulator. Otherwise, the air conditioner may generate alarms frequently and fail to work properly.

Frequency tolerance

±3 Hz

Certification

REACH, RoHS, CE, CCC

Maximum current

18.5 A

4.5 A

Cooling mode

Air cooling

Air cooling

Refrigerant

R410A

R410A

Cooling capacity

11 kWa

11 kWa

Humidification

Supported

Not supported

Humidifier capacity

1.0 kg/h

-

Heating

Supported

Not supported

Heating capacity

3 kW

-

Air supply mode

Horizontal air supply

Horizontal air supply

Fan type

DC fan

DC fan

Maximum airflow

2600 m3/h

2600 m3/h

Condensate pump

Supported

Supported

Power supply mode

Single-route power supply

Single-route power supply

Outline dimensions (H x W x D)

442 mm x 442 mm x 800 mm

442 mm x 442 mm x 800 mm

Package dimensions (H x W x D)

710 mm x 610 mm x 1000 mm

710 mm x 610 mm x 1000 mm

Net weight/Gross weight

60 kg/79 kg

57 kg/75 kg

a: The cooling capacity is obtained from the 10 m pipes when the indoor dry bulb temperature is 37.8°C, indoor wet bulb temperature is 20.8°C, and outdoor dry bulb temperature is 35°C. The actual cooling capacity varies depending on the indoor and outdoor ambient temperatures and relative humidity.

 

Table 1-5 Derating coefficient

Height

0

1000

1500

2000

2500

3000

3500

4000

Density coefficient

1

0.887

0.835

0.785

0.737

0.692

0.649

0.608

Air volume coefficient

1

0.887

0.835

0.785

0.737

0.692

0.649

0.608

Cooling capacity coefficient

1

0.940

0.909

0.878

0.846

0.815

0.784

0.753

 

1.6 Outdoor Unit Specifications

Table 1-6 lists the specifications of the outdoor unit.

Table 1-6 Technical specifications

Item

Specifications

Maximum operating current

24 A

Number of fans

One

Outline dimensions (H x W x D)

966 mm x 1057 mm x 339 mm

Package dimensions (H x W x D)

1210 mm x 1105 mm x 435 mm

Net weight/Gross weight

83 kg/99 kg

Certification

REACH, RoHS, CE, CCC

Operating temperature

–20°C to +45°C

Storage temperature

–40°C to +55°C (with refrigerant)/70°C (without refrigerant)

Storage humidity

5–95% RH (non-condensing)

Protection level

IPX4

Altitude

0 m to 4000 m (The power should be derated when the altitude exceeds 1000 m. For details on derating, contact Huawei technical support.)



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All Answers

Hi
please find below link for NEtColl 5000 complete configuration and istallation guide.

https://support.huawei.com/enterprise/en/doc/EDOC1000143982

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Installation Requirements

Table 1-2 Installation requirements

Installation Mode

Rack-mounted

Height Difference Between Indoor and Outdoor Units

l  If the outdoor unit is placed higher than the indoor unit, the vertical distance between them should be less than or equal to 20 m.

l  If the indoor unit is placed higher than the outdoor unit, the vertical distance between them should be less than or equal to 5 m.

Maximum Equivalent Length of One-way Pipe

60 m

Thermal Insulation Foam Thickness

≥ 13 mm

Water Supply

The inlet water pressure should be 0.1–0.7 MPa, and the temperature should be in the range of 1°C–40°C.

The wet film humidifier should use tap water that meets the following requirements:

l  Non-freezing and nephelometric turbidity units (NTU) < 3

l  No visible substances.

l  6.5 ≤ pH value ≤ 8.5

l  Total hardness (in CaCO3) ≤ 450 mg/L

Ports

Table 1-3 Ports

Item

Specifications

Refrigerant gas pipe

Reserved port: 5/8 inch; thread connection (Table 2-6 lists the materials to be prepared onsite.)

Refrigerant liquid pipe

Reserved port: 3/8 inch; thread connection (Table 2-6 lists the materials to be prepared onsite.)

Humidifier water inlet pipe

Reserved port: G 1/2 inch, thread connection

Condensate pump drainpipe

Reserved port: BSPT 1/2 inch, thread connection

Pipe and cable routing

Top or bottom routing is supported.

 

Table 1-4 Technical specifications

Item

NetCol5000-A010H61301W120E1

NetCol5000-A010H613010020E1

Power system

220–240 V AC, 50 Hz, 1P+N+PE

220–240 V AC, 50 Hz, 1P+N+PE

Voltage tolerance

The voltage threshold ranges from 187 V to 264 V. If front-end voltage fluctuation exceeds this range, you are advised to add a voltage regulator. Otherwise, the air conditioner may generate alarms frequently and fail to work properly.

Frequency tolerance

±3 Hz

Certification

REACH, RoHS, CE, CCC

Maximum current

18.5 A

4.5 A

Cooling mode

Air cooling

Air cooling

Refrigerant

R410A

R410A

Cooling capacity

11 kWa

11 kWa

Humidification

Supported

Not supported

Humidifier capacity

1.0 kg/h

-

Heating

Supported

Not supported

Heating capacity

3 kW

-

Air supply mode

Horizontal air supply

Horizontal air supply

Fan type

DC fan

DC fan

Maximum airflow

2600 m3/h

2600 m3/h

Condensate pump

Supported

Supported

Power supply mode

Single-route power supply

Single-route power supply

Outline dimensions (H x W x D)

442 mm x 442 mm x 800 mm

442 mm x 442 mm x 800 mm

Package dimensions (H x W x D)

710 mm x 610 mm x 1000 mm

710 mm x 610 mm x 1000 mm

Net weight/Gross weight

60 kg/79 kg

57 kg/75 kg

a: The cooling capacity is obtained from the 10 m pipes when the indoor dry bulb temperature is 37.8°C, indoor wet bulb temperature is 20.8°C, and outdoor dry bulb temperature is 35°C. The actual cooling capacity varies depending on the indoor and outdoor ambient temperatures and relative humidity.

 

Table 1-5 Derating coefficient

Height

0

1000

1500

2000

2500

3000

3500

4000

Density coefficient

1

0.887

0.835

0.785

0.737

0.692

0.649

0.608

Air volume coefficient

1

0.887

0.835

0.785

0.737

0.692

0.649

0.608

Cooling capacity coefficient

1

0.940

0.909

0.878

0.846

0.815

0.784

0.753

 

1.6 Outdoor Unit Specifications

Table 1-6 lists the specifications of the outdoor unit.

Table 1-6 Technical specifications

Item

Specifications

Maximum operating current

24 A

Number of fans

One

Outline dimensions (H x W x D)

966 mm x 1057 mm x 339 mm

Package dimensions (H x W x D)

1210 mm x 1105 mm x 435 mm

Net weight/Gross weight

83 kg/99 kg

Certification

REACH, RoHS, CE, CCC

Operating temperature

–20°C to +45°C

Storage temperature

–40°C to +55°C (with refrigerant)/70°C (without refrigerant)

Storage humidity

5–95% RH (non-condensing)

Protection level

IPX4

Altitude

0 m to 4000 m (The power should be derated when the altitude exceeds 1000 m. For details on derating, contact Huawei technical support.)



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