Huawei NetCol5000-A-035 Manuale utente

1Overview

Indoor Unit NetCol5000-A 35 kW

Power 380–480 V AC 3 Ph 50/60 Hz

Airflow 6800 m3/h

Pipe routing Overhead or underfloor piping

Standard Dimensions (H x W x D) 2000 mm x 600 mm x 1100 mm

Net weight 350 kg

Optional components Electric heater, humidifier, condensate pump

Outdoor Unit NetCol500-A036 NetCol500-A072

Power 380–480 V AC 3 Ph 50/60 Hz 380–480 V AC 3 Ph 50/60 Hz

Airflow 12000 m3/h 26000 m3/h

Net weight

NetCol500

-A0365C: 130 kg

NetCol500

-A0365S: 147 kg

185 kg

Dimensions D = 1094 mm, W1 = 1370 mm, W2 = 1220

mm, H1 = 1160 mm, H2 = 714 mm D = 1094 mm, W1 = 2200 mm,

W2 = 2050 mm, H1 = 1100 mm,

H2 = 654 mm

Optional components Low temperature component Sunshade

(1) Manual water drain

button

(2) Electric control box

) Sight glass

) Compressor

) Dryer filter

) Refrigerant liquid

pipe

) Self-drainpipe

) Refrigerant gas

pipe

)

Condensate pump

drainpipe

(10

) Condensate

pump

(11

) Oil glass

(12

) Thermostatic

expansion valve

(13

) Humidifier

(14

) Evaporator

(15

) Fan

(16

) Electric heater

(17

)

Compressor drive

Issue: 08

Date: 2019-01-15

NetCol5000-A035 In-row Air Cooled

Smart Cooling Product

Quick Guide

NetCol500-A036 NetCol500-A072

Materials

Configured

with the

Equipment

Cable ties, OT terminals, cord end terminals, voltage jumpers, water sensor and their

components, teamwork cable, hose clamps, pipe accessories, expansion bolts, and

a humidity and

temperature (T/H) sensor.

Engineering

Procurement

Mandator

y item

Refrigera

nt pipeline

Pipe components (including copper pipes, thermal insulation

foam, oil traps, and inverted traps) and pipe supports.

Waterway

Thermal insulation foam and hard pipe conversion adapters

(BSPT 1/2 in., connecting to external threads) + hard pipes

(using PP

-R or C-PVC materials) or pagoda connectors +

hoses (inner diameter: 3/4 in., using EPDM materials),

thermal insulation foam on waterway.

Cable

Power cables and on/off signal cables for the indoor and

outdoor units.

Optional

item

Cable and

base

Humidity and temperature sensors and cables outside the

cabinet, indoor unit racks (determined by actual scenarios),

and outdoor unit racks or concrete bases (determined by

actual scenarios).

Special

Tools and

Materials

•

Vacuum pump: 7.2-14.4 m³/h, absolute vacuum ≤ 60 Pa (recommended).

•

Pressure gauge (measure range is greater than 4.0 MPa

), leather hose (tolerance

range is greater than 4.5 MPa), dedicated for R410A.

•

Welding torch and welding rod: silver copper welding rod (containing 5% silver).

•

Nitrogen reducing valve: Areducing valve is recommended to install to the outlet

of the nitrogen steel vessel, and the reducing valve range ≥ 4.0 MPa.

•

Dry nitrogen.

2Preparing Materials

Do not use inferior refrigerant. Otherwise, Huawei has no responsibility for the damage caused

by the inferior refrigerant.

You are suggested to use R410A from the brand of Dupont, Daikin, Honeywell, or the same

quality refrigerant, and follow these suggestions to choose a high-quality refrigerant:

1. Dial the hotline of the refrigerant producer to confirm its reliability.

2. Put the refrigerant indoor for 24 hours. Then use a thermometer to measure the external

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

cylinder to measure its internal pressure (figure 2). Look up the following table for the

saturation pressure that corresponds to the external surface temperature, and calculate the

deviation from the internal pressure. If the deviation is more than 0.2 MPa, the refrigerant is

not in good condition. Replace it.

Refrigerant R410A

2.1

Mapping between saturation temperatures and pressure of R410A

Saturation

Temperature (ºC)

Gauge

(

MPa)

Saturation

Temperature (ºC)

Gauge

(

MPa)

Saturation

Temperature (ºC)

Gauge

(

MPa)

10 0.99 16 1.19 22 1.43

11 1.02 17 1.23 23 1.47

12 1.05 18 1.27 24 1.51

13 1.09 19 1.31 25 1.56

14 1.12 20 1.35 26 1.60

15 1.16 21 1.39 27 1.65

28 1.69 31 1.84 34 1.99

29 1.74 32 1.89 35 2.05

If you use a five-core power cable for indoor unit, do not install the neutral wire. Instead, cut off it

and properly wrap PVC insulation tape around the cutting place.

Mains power to

the indoor unit

Power to the

equipment room

Mains power to

outdoor unit

Indoor unit

terminal X2.5 Outdoor unit

terminal 1

(1) Indoor unit power cable (2) Outdoor unit power cable

(3) On/Off signal cables for the indoor and outdoor units (polarity insensitive)

Indoor unit

terminal X2.6 Outdoor unit

terminal 2

Power to the

equipment room

4x6 mm2

Total cable diameter:

16.8–18.0 mm

5x2.5 mm2

Total cable diameter:

13.0–15.0 mm

2x1 mm2

Total cable diameter:

6.4–8.4 mm

Copper pipes should meet

the requirements of

EN12735-1.

(1) Liquid pipe: R410A copper pipe, 5/8 in. outer diameter, 1.0 mm

wall thickness, operating pressure ≥ 4.5 MPa.

(2) Gas pipe: R410A copper pipe, 7/8 in. outer diameter, 1.2 mm wall

thickness, operating pressure ≥ 4.5 MPa.

(3) Thermal insulation foam: thickness ≥ 13 mm.

Oil trap Gas pipe inverted trap Liquid pipe inverted

trap

Materials from which the pipe support and pipe clamp are

made should meet the requirements of outdoor application.

Height of the U-shaped pipe clamp (H) = Diameter of the pip

(including thermal insulation foam) –5 mm.

Cable

2.2

Copper Pipe

2.3

Oil Trap and Inverted Trap

2.4

Pipe Support

2.5

Unit: mm

Evaporator

Water

pan

Water tank

Remove

Tighten

Connect

3Installing the Indoor Unit

1. Read the related user manual or instructions before installing the NetCol5000-A.

2. The unit in this document is a fully configured NetCol5000-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 products. Otherwise, personal injuries and device

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

Removing the Float Sheet Metal

3.1 Removing the Three Sheet

Metals from the Compressor

3.2

(Optional) Installing an Enclosure Frame

3.3

M8 (3 PCS)

15 N•m

Preserve the removed sheet metals. Reinstall

them if the equipment is to be relocated

(container scenario).

1. Open the front door. Remove the front door,

the power cable of the display screen,

ground cable, fixing plate, connection plates,

and hinges.

2. Move the enclosure frame to the front door,

and adjust the anchor bolts of the enclosure

frame to ensure that the enclosure frame has

the same height with the cabinet.

3. Secure the enclosure frame to the front door

using eight M5 screws, as shown in the right

figure.

(Optional) Installing an Top Frame

3.4

4. Secure the top sealing plate of the

enclosure frame to the enclosure frame

using four M5 tapping screws.

5. Install the hinges and connecting plates on the

corresponding positions on the enclosure frame.

6. Install the power cable for the display screen.

Connect the ground cable under the front door

to the enclosure.

After installing the enclosure frame, the power

cable for the display screen may be not long

enough to open the door completely. Cut off

the cable ties, which fastening the power

cable, to make sure the front door can rotate

smoothly.

Install two M5x10 tapping screws (step3) at the front of the top

frame to set up equipotential bonding between the cabinet and

the top frame.

Top pipe routing

Bottom pipe routing

This method applies to non-rack installation.

Scenario 1: Non-rack Installation

Adjusting the feet Adjusting the cabinet

Securing the Indoor Unit

3.5

Shock absorbing bar

4-M12x80 assembly screw mounting hole

4-M12x60

expansion screw

mounting hole

Unit: mm

1. Preparing a rack

Scenario 2: Rack Installation

This method applies to rack installation.

1. You are advised to use angle steel, square steel or channel steel. Width of 60 mm and

thickness of 4 mm to 5 mm are recommended.

2. When D (width of angle steel) is more than 60 mm, it is interfering with the cable routing holes.

Cut out the part on the angle steel to avoid interfering. If D is less than or equal to 60 mm, skip

this step.

3. Install a shock absorbed bar (5 mm thick, made of EPDM rubber) on the bottom of the rack.

4. Control the welding process and avoid excessive error.

5. The rack is applicable to the scenario with enclosure frames. After enclosure frames are

installed, holes for the screws installed to secure the rack and unit do not change.

3. Securing the smart cooling product on the rack2. Fixing the rack

Secure the smart cooling product on the

rack using four screws removed from the

pallet.

M12x80 (4 PCS)

45 N•m

M12x60 (4 PCS)

45 N•m

4 Installing the Outdoor Unit

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

2. Concrete Base Dimensions (Unit: mm)

Model

NetCol500

-A072(036)

≥ 250

1877 (1047)

≥ 250

924

150

–250

Low

-temperature Component

≥ 600

210

≥ 400

130

150

–250

M12x60 (4 PCS)

45 N•m

3. Dimensions of the Concrete Base and Securing

Low-temperature Component

The distance from the low-temperature component to the outdoor unit can not exceed 2 m.

unit: mm

Scenario 1: Horizontal Installation

1. Top View of the Installation Space

b. Install the four legs.

c. Secure the legs on the concrete base.

M6x16 (24 PCS)

3 N•m

Model NetCol500-A072 (036)

W1 ≥250

D1 ≥500

H150–250

W2 2090 (1263)

2. Concrete Base Dimensions and Vertical

Installation (unit: mm)

Scenario 2: Vertical Installation

1. Top View of the Installation Space (Unit: mm)

4. Procedure for Horizontal Installation

a. Remove the straight flanges.

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