Huawei NetCol8000-A Series Bedienungsanleitung

1Product Overview

Item

Product Model Dimensions Without Packing

(H x W x D) (mm)

Optional

Component

Indoor

unit

NetCol8000

-A045D

2000 x 900 x 900

Electric heater and wet

film humidifier, differential

pressure sensor, water

leakage sensor,

temperature and humidity

sensor

NetCol8000

-A045U

2000 x 900 x 900

NetCol8000

-A090D

2000 x 1800 x 1000

Outdoor

unit

NetCol500

-A060

(

52273539,

52273539

-002)

D =

1094, W1 = 1356, W2 = 1217, H1 =

1107, H2

= 677

Low

-temperature

component

NetCol500

-A060

(

52273539-005,

52273539

-006)

Category B: D = 1094,

W1 = 1356,

W2 =

1217

, H1 = 1107, H2 = 655

Category C: D = 1094,

W1 = 1356,

W2 =

1217

, H1 = 1156, H2 = 725

NetCol500

-A080

(

52273541,

52273541

-002)

D = 1094,

W1 = 2186, W2 = 2047, H1 =

1107, H2 = 677

NetCol500

-A080

(

52273541-005)

D = 1094,

W1 = 2186, W2 = 2047, H1 =

1107, H2 = 655

NetCol500

-A120

(

52273755-002)

D = 2189,

W1 = 1356, W2 = 1217, H1 =

1107, H2 = 655

NetCol8000

-A045 is a single-system unit. NetCol8000-A090 is a dual-system unit.

NetCol500

-A060 and NetCol500-A080 are single-system units. NetCol500-A120 is a dual-

system unit.

A single

-system indoor unit is used with a single-system outdoor unit; two single-system indoor units

are used together with a dual

-system outdoor unit; a dual-system indoor unit is used with two single-

system outdoor units; a dual

-system indoor unit is used with a dual-system outdoor unit.

Issue: 01

Part Number: 31500BLY

Date: 2019-09-30

NetCol8000-A (045,090) In-room Air

Cooled Smart Cooling Product

Quick Guide

Mandatory

items

Refrigerant

pipe

0 m < L ≤ 60 m:

Gas pipe:

outer diameter of 7/8 inch (22.22 mm) ; wall thickness of 1.2

mm; operating pressure > 4.5 MPa

Liquid

pipe:

outer diameter of 5/8 inch (15.88 mm) ; wall thickness of 1.0

mm; operating pressure > 4.5 MPa

60 m < L ≤ 100 m

Gas pipe:

outer diameter of 1 inch (25.4 mm) ; wall thickness of

1.2 mm;

operating pressure > 4.5 MPa

Liquid

pipe: outer diameter of 3/4 inch (19.05 mm) ; wall thickness of

1.0

mm; operating pressure > 4.5 MPa

Thermal insulation foam

, thickness ≥9.2mm

Oil traps and inverted traps , Pipe supports

Mandatory

items

(Optional)

Humidifier

water inlet pipe



Connecting rigid pipe: G 3/4-inch inner screw thread to rigid pipe

connector, rigid pipe (made of PP-R or other materials)



Connecting hose: G 3/4-

inch inner screw thread to pagoda connector,

hose (made of EPDM or other materials)

Drainpipe



Connecting rigid pipe: G 3/4-inch outer screw thread to rigid pipe

connector, rigid pipe (made of PP-R or other materials)



Connecting hose: G 3/4-

inch outer screw thread to pagoda connector,

hose (made of EPDM or other materials)

Thermal insulation foam

Cables

•

Power cable of NetCol8000-A045 indoor unit: 5 x 10 mm²

(L1/L2/L3/N/PE)

•

Power cable of NetCol8000-A090 indoor unit: 4 x 25 mm²

(L1/L2/L3/N) + 16 mm²(PE)

•

Power cable of outdoor unit: 5 x 2.5 mm²

•

Signal cable of outdoor unit and indoor unit: 3 x 1.5 mm²(

for outdoor

units 52273539, 52273539-002, 52273541, and 52273541-002 only

)

Base

of indoor unit (recommended for downflow unit) , outdoor unit

support

or concrete base (determined based on scenarios)

Optional

items

Low

temperature

component

cable

If low

-temperature component is configured, an additional 2 x 1.5 mm²

power cable is needed.

Teamwork

networking and

monitoring

cable

If teamwork networking

is required, prepare a standard 8pin RJ45

network cable for each device.

If monitoring is required, prepare one 2pin network cable for each device.

Refrigerant R410A

2.1

Do not use unqualified refrigerant. Huawei will not be liable for any equipment damage caused by

unqualified refrigerant.

You can verify the refrigerant authenticity in the following ways:

1. Dial the refrigerant manufacturer's hotline to confirm the refrigerant manufacturer authenticity.

2. Place the refrigerant tank indoors for 24 hours. Use a point thermometer to measure the outer

surface temperature of the refrigerant tank (figure 1) , and connect a pressure gauge to the

tank to measure the internal pressure (figure 2). Find the saturation pressure corresponding to

the measured outer surface temperature from the table on the next page. If the deviation

between the saturation pressure and the measured internal pressure is greater than 0.2 MPa,

the refrigerant does not meet the requirements, and needs to be replaced.

2Engineering Materials

Mapping Between Saturation Temperatures and Pressure of R410A

Saturation

temperature (

ºC )

Gauge

(MPa)

Saturation

temperature (

ºC

)

Gauge

(MPa)

Saturation

temperature (

ºC )

Gauge (MPa)

0.99

1.31

1.69

1.02

1.35

1.74

1.05

1.39

1.79

1.09

1.43

1.84

1.12

1.47

1.89

1.16

1.51

1.94

1.19

1.56

1.99

1.23

1.60

2.05

1.27

1.65

2.10

7/8 inch Oil trap

7/8 inch Gas pipe

inverted trap 3/4 inch Liquid

pipe inverted trap

Oil Trap and Inverted Trap

2.2

Unit: mm

5/8 inch Liquid

pipe inverted trap

1 inch Oil trap

1 inch Gas pipe

inverted trap

Liquid pipe

needle valve

Exhaust pipe

needle valve

Low-pressure

needle valve

Checking Whether the Nitrogen Is Discharged at the Needle Valves

3.1

Removing the Pallet

3.2

Liquid pipe

needle valve

Exhaust pipe

needle valve

Low-pressure

needle valve

Upflow

Downflow

Outdoor unit

1. Read the related user manual or instructions before installing the NetCol8000-A.

2. The unit in this document is a fully configured NetCol8000-A. If some components are not

configured, skip the corresponding steps.

3. You are recommended to use tools that are fully insulated when installing devices.

4. Only engineers from the manufacturer or engineers certified by the agent are allowed to install,

commission, and maintain smart cooling product. Otherwise, personal injuries and device

damage may be caused, which is beyond the smart cooling product warranty range.

3Installing the Indoor Unit

Securing to the Floor or Base

3.4

Removing Compressor Fasteners

3.3

1. Remove the six screws and

then the beam. 2. Rotate the fan upward by 30

degrees, and pull the rotating

shaft of the fan to the

outermost side.

3. Slowly rotate the fan by 90

degrees and ensure that the

rotating shaft of the fan is on

the outermost side. Exercise

caution when handling the fan

to avoid body injury.

4. After the fan rotates to the position

shown in the figure, push the fan

back to the horizontal position.

5. Secure the beam and tighten

the six screws on the fan

support.

Lowering a Fan (Applicable to Downflow Units)

3.5

4Installing the Outdoor Unit

•Protective cardboard for fins must be removed after installation to protect people from injuries.

•The installation methods of installing NetCol500-A060, NetCol500-A080 and NetCol500-A120

outdoor units are the same. This section describes how to install a NetCol500-A060.

•If the space does not meet the requirements of the recommended layout, you can use any of the

layouts (applicable only to NetCol500-A060) in user manual.

Unit: mm

Scenario 1: Horizontal Installation Scenario 2: Vertical Installation

Installation Scenario

4.1

Make sure that no shelter is above the outdoor unit.

NOTE

b. Install the four legs.

a. Remove the straight flanges.

Horizontal installation (Choose One from the Two Installation Scenario)

4.2

c. Secure the legs to the concrete base.

Vertical Installation (Choose One from the Two Installation Scenario)

4.3

5Welding Refrigerant Pipes

1. When outdoor unit is installed horizontally, the outdoor unit and the low-temperature component

must be at the same horizontal plane. When outdoor unit is installed vertically, the installing

horizontal plane of outdoor unit must not be lower than the installing horizontal plane of low-

temperature component, and the height difference cannot exceed 1.5 m.

2. When calculating the height difference, the compressor base is regarded as the baseline for the

indoor unit, and the condenser top is regarded as the baseline for the outdoor unit.

3. The inverted trap should be higher than the top copper pipe of the condenser.

4. When the indoor unit is higher than the outdoor unit, the maximum height difference is 8 m. When

the indoor unit is lower than the outdoor unit, the maximum height difference is 30 m.

5. When welding pipes, ensure that the pipes are dry. You are recommended to weld the pipes

between the indoor and outdoor units, then connect the two ends of the pipe to the indoor unit and

outdoor unit.

6. Use a rubber hose to connect the nitrogen cylinder which connecting the reducing valve and the

end of the copper pipe, then fill nitrogen at 0.03–0.05 MPa into the copper pipe to avoid internal

oxidation.

7. After the pipe in the middle is welded, charge nitrogen into the pipe from one pipe end to clear the

foreign matter inside.

8. Do not expose welding positions to the environment for a long time. Take sealing measures for

welding positions. If foreign matter exists at the welding position, rubber it out using non-water

alcohol or damp cloth before the welding.

9. Take protective measures, such as spreading a piece of wet cloth, around the welding position, to

avoid burning the bottom panel, top panel, side panel, internal components, needle valves, other

pipes, thermal insulation foam, power cables, labels, and tags.

Wall

Pipe

Pipe support

Laying the Engineering Pipe

5.1

Discharging Nitrogen of Indoor Unit

5.2

UpflowDownflow

Downflow-Bottom Piping

Welding the Indoor Unit Ports

5.3

Upflow-Bottom Piping

Upflow-Side Piping

Downflow-Side Piping

(1) Gas pipe

(2) Liquid pipe

Exhaust nitrogen from the three needle

valves respectively. Do not remove the

needle valve plug in case of loss or damage.

Welding the Outdoor Unit Ports5.5

Thermal

insulation

foam

5/8 inch

liquid pipe

7/8 inch

gas pipe

Discharging Nitrogen at the

Outdoor Unit Needle Valves

5.4

(Optional) Connecting Low Temperature Component Pipes

5.6

To indoor unit

liquid pipe To indoor unit gas pipe

To outdoor unit gas pipe

To outdoor unit liquid pipe

•When the outdoor is installed vertically, the

gas pipe should be connected to the top

port and liquid pipe should be connected to

the bottom port.

•A reducing pipe is required when welding

3/4 inch copper pipe to 5/8 inch connector.

6Connecting Water Pipes

Connecting the Humidifier Water Inlet Pipe

6.1

G 3/4 inch reserved connector

with outer screw thread

G 3/4 inch adapter with inner screw thread1

Matched with the adapter, the pressure

resistance should be at least 0.7 MPa

Connecting the Drainpipe

6.2

Connection method

(1) Connector with inner

screw threads

(4) Pagoda connector

(2) Rigid pipe adapter

(5) Hose clamp

(3) Rigid pipe

(6) Hose

The drainpipe from indoor unit to condensate

branch pipe must have gradients (＞1: 100).

Significant upward trend and stagnant water is

not allowed along the pipe.

UpflowDownflow

Note 1:

1. When plastic materials such as PA66 are used, the

recommended torque is 5 N.m.

2. When metal materials are used, the recommended torque is 10

N.m. A sealing washer must be used when an union is used.

7Installing Cables

1. The power cables and signal cables should be tied and cased separately.

2. The shielding layer of signal cable must be grounded.

3. In bottom cabling, if it is hard to bend the cable 90°, disassemble the cable and fix it using the pipe

clamp. As the PE cable is long, prepare the five-core cable based on the length of the PE cable.

4. The following picture shows the duel power supply modes. In single power supply mode, only QF1

needs to be connected.

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