Huawei NetCol5000-A-035 User manual
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
(3
) Sight glass
(4
) Compressor
(5
) Dryer filter
(6
) Refrigerant liquid
pipe
(7
) Self-drainpipe
(8
) Refrigerant gas
pipe
(9
)
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
Copyright ©Huawei Technologies Co.,Ltd.2019. Allrights reserved.
1
Issue: 08
Date: 2019-01-15
NetCol5000-A035 In-row Air Cooled
Smart Cooling Product
Quick Guide
NetCol500-A036 NetCol500-A072
2
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
3
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
4
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.
5
(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
6
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.
7
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.
8
2. Concrete Base Dimensions (Unit: mm)
Model
W1
W2
D1
D2
H
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
9
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.
10
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