Page 1 NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) Issue Date 2022-12-15 HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei Digital Power Technologies Co., Ltd. and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
Page 3: About This Document
Indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 4 ● Optimized the description about the requirements for installing teamwork monitoring cables. ● Optimized the description about the pipe length for charging the refrigerant. ● Updated the startup procedure. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 5 Cooling Product Alarm Reference . ● Updated the description about reclaiming refrigerant. 2021-09-17 Updated the description about class A, B, C, and D environments. 2021-04-25 This is the first official release. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 6: Table Of Contents
4 System Installation....................... 43 4.1 Installation Requirements..............................43 4.1.1 Installation Precautions..............................43 4.1.2 Layout Principles................................46 4.1.3 Indoor Unit Installation Position..........................47 4.1.4 Outdoor Unit Installation Position..........................49 4.2 Installation Preparations..............................52 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 7 4.9.6.2 Smart Module Networking Scenario........................92 4.9.6.3 Independent Networking............................93 4.9.6.3.1 FE Teamwork + FE Monitoring..........................93 4.9.6.3.2 FE Teamwork + RS485 Monitoring........................94 4.9.6.3.3 CAN Teamwork + FE Monitoring.......................... 96 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 8 8.1.2 Monthly Maintenance..............................145 8.1.3 Quarterly Maintenance..............................147 8.1.4 Yearly Maintenance................................ 147 8.2 Outdoor Unit Routine Maintenance..........................148 8.2.1 Monthly Maintenance..............................148 8.2.2 Semi-Annual Maintenance............................149 9 Alarm Reference........................150 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 9 12.3.13 How Do I Change the Password?......................... 191 12.3.14 How Do I Set Alarm Parameters?.........................192 12.3.15 How Do I Commission a Component?........................193 12.3.16 How Do I Query the Setting of a Parameter Before Change?..............194 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd. viii...
Page 10 C.2.2 NetCol500-A060................................204 C.2.3 NetCol500-A120................................211 D Electrical Conceptual Diagram..................214 D.1 Indoor Unit Electrical Diagrams............................214 D.2 NetCol500-A060 Electrical Diagram........................... 218 D.3 NetCol500-A120 Electrical Diagram........................... 219 E Acronyms and Abbreviations....................220 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 11: Safety Information
Equipment damage due to force majeure such as earthquakes, floods, volcanic eruptions, debris flows, lightning strikes, fires, wars, armed conflicts, typhoons, hurricanes, tornadoes, and extreme weather conditions ● Operation beyond the conditions specified in this document Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 12: Personal Safety
D ANGER During operations, use dedicated insulated tools to prevent electric shocks or short circuits. The insulation and voltage resistance must comply with local laws, regulations, standards, and specifications. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 13 – Trained personnel: personnel who are trained in technology and safety, have required experience, are aware of possible hazards on themselves in Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 14: Electrical Safety
WARNING For the equipment that needs to be grounded, install the ground cable first when installing the equipment and remove the ground cable last when removing the equipment. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 15 Installation personnel mark tightened bolts in blue. Quality inspection personnel confirm that the bolts are tightened and then mark them in red. (The marks should cross the edges of the bolts.) Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 16 If high touch current may occur on the equipment, ground the protective ground terminal on the equipment enclosure before connecting the power supply; otherwise, electric shock as a result of touch current may occur. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 17 (LSI) circuits. ● When touching the equipment and handling boards, modules with exposed circuit boards, or application-specific integrated circuits (ASICs), observe ESD Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 18: Environmental Requirements
Do not place the equipment near heat sources or fire sources, such as smoke, candles, heaters, or other heating devices. Overheat may damage the equipment or cause a fire. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 19 Before opening doors during the installation, operation, and maintenance of the equipment, clean up any water, ice, snow, or other foreign objects on the top of the equipment to prevent foreign objects from falling into the equipment. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 20: Mechanical Safety
Before installing equipment in a cabinet, ensure that the cabinet is securely fastened with a balanced center of gravity. Otherwise, tipping or falling cabinets may cause bodily injury and equipment damage. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 21 ● Move or lift the equipment by holding its handles or lower edges. Do not hold the handles of modules that are installed in the equipment. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 22 Set a restricted area and prominent signs for working at heights to warn away irrelevant personnel. ● Set guard rails and warning signs at the edges and openings of the area involving working at heights to prevent falls. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 23 If a single ladder is used, the recommended angle for the ladder against the floor is 75 degrees, as shown in the following figure. A square can be used to measure the angle. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 24 Do not drag steel ropes and hoisting tools or bump hoisted objects against hard objects during hoisting. ● Ensure that the angle between two hoisting ropes is no more than 90 degrees, as shown in the following figure. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 26: Cooling System Safety
This also promotes resource sustainability. To recycle an old device, use a recycling collection system or contact the supplier. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 27: Product Description
5000: in-row smart cooling Cooling mode A: air cooled Model code 050: model code 050 Air supply mode and H: horizontal flow system architecture Power supply 4: 380–415 V, 3PH, 50/60 Hz Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 28 C: common non-corrosive environment S: common harsh environment (class C) Fan type 1: AC fan Packaging type D: packaging code D E: packaging code E Special identifier for 0: none orders Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 29: Overview
Figure 2-3 System composition (1) Indoor unit (2) Outdoor unit A low temperature component is mandatory if the outdoor ambient temperature may be below –20°C. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 30: Component Description
User Manual (1350 mm Depth) 2 Product Description Figure 2-4 Low temperature scenario (1) Indoor unit (2) Outdoor unit (3) Low temperature component 2.3 Component Description 2.3.1 Indoor Unit Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 31: Product Composition
● The heater features quick start, large heating capacity, and even heating. Condensate Drives the drainage if water is drained from the top of pump the unit. Check valve Prevents liquid backflow. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 32 ● The compressor drive is controlled over RS485. You can view the drive running status and parameters on the LCD in real time to facilitate fault locating. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 33: Display Module
The G4 air filter is used. 2.3.1.2 Display Module Appearance The display module provides a 7-inch true-color touchscreen that provides man- machine interfaces for query, setting, management, and maintenance. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 34 Single unit Each unit has an independent control system to ensure normal control and high-precision operation. Operations Users can set parameters and query status on the 7-inch true- color touchscreen. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 35 O&M personnel can view the operating status of the device onsite. Access logs can be backtracked. Up to 1000 historical operation backtracking logs recording login and setting can be stored. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 36: Main Control Module
Figure 2-7 Main control module (1) Running indicator (2) Alarm indicator (3) FE_1 port (4) CAN_IN port (5) RS485/12V port (6) USB port (7) SW button (8) FE_2 port (9) CAN_OUT port Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 37 PIN5 RS485- RS485- RS485 HT– RS485-N- N-_1 PIN6 FE RX– FE RX– PIN7 CANH CANH PIN8 CANL CANL ● USB port: connects a WiFi module or USB flash drive. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 38 5 minutes. You can press and hold down the button for 10s to enter the risky operation screen. Exercise caution because a risky operation may affect system data. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 39: Outdoor Unit
When the condensing pressure is higher than the designed opening pressure of the condensing pressure regulator valve, the regulator valve opens and the differential pressure valve closes. The refrigerant at the compressor outlet Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 40: Physical Ports
Refrigerant gas pipe Outer diameter of 7/8 inch (22.22 mm), welding (Optional) Port for the indoor Outer diameter of 5/8 inch (15.88 unit liquid pipe mm), welding Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 41: Electrical Ports On The Indoor Unit
(4) Electric heater switch QF4 (5) AC contactor KM3 (6) Low temperature component/Water-cooled module switch QF15 (7) Low temperature (8) Outdoor unit power supply (9) Active power switch QF1 component/Water-cooled 1U/1V/1W module L/N Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 42 (OUTD-DO–) communication (RS485-SW–) Smoke sensor (12 V Outdoor unit RS485 DC-SR) communication (GND-ISO) Smoke sensor Common alarm (DO- (SMOKE) Z1+) Remote startup/ Common alarm (DO- shutdown (DI-Z+) Z1–) Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 43 (10) Drainpipe hole at the bottom (11) Refrigerant gas pipe hole at the bottom (12) Power cable hole at the bottom (13) Humidifier water inlet pipe hole at the bottom Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 44: Electrical Ports On The Outdoor Unit
(2) Low temperature (3) Fan wiring terminal 2 component/Water-cooled module QF4 (4) PE copper bar (5) Fan switch QF1 (6) Low temperature component/Water-cooled module QF2 (7) Fan wiring terminal 1 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 45: Technical Specifications
NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) 3 Technical Specifications Technical Specifications 3.1 Indoor Unit Figure 3-1 Appearance and dimensions Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 46 Cooling capacity 45 kW Tested under rated working conditions (indoor dry- bulb temperature: 37°C, relative humidity: 20%, outdoor temperature: 35°C). Air supply mode Horizontal flow Air volume 9000 m Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 47 Altitude [0, 1000) 1000 1500 2000 2500 3000 3500 4000 0.887 0.835 0.785 0.737 0.692 0.649 0.608 volume coefficien Cooling 0.940 0.909 0.878 0.846 0.815 0.784 0.753 capacity coefficien Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 48: Outdoor Unit
1107 (655) x 2189 x 1356 (1217) A120 52273755-003 NO TE You can view the outdoor unit BOM number on the equipment barcode. Figure 3-4 Horizontal mounting hole dimensions Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 49 Powered by the indoor unit Temperature 52273539 and Unavailable Unavailable control intelligent 52273539-007: monitoring board available 52273539-005 52273539-008: unavailable Operating –20°C to +45°C (–40°C to +45°C with a low temperature temperature component) Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 50 Class B (uncontrolled Indoor environment where the ambient environment) temperature and humidity are not controlled or outdoor environments (with simple shielding measures) where the humidity can reach 100%. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 51: Low Temperature Component
● The NetCol500-A060MS1E0 outdoor unit must not be installed in class D environments, and other outdoor units must not be installed in class C or class D environments. 3.3 Low Temperature Component Figure 3-6 Dimensions BOM number 52271197 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 52 –3 Hz to +3 Hz Operating –40°C to +45°C temperature Storage temperature –40°C to +70°C Storage humidity 5%–95% RH (non-condensing) Refrigerant R410A Maximum operating 4.35 MPa pressure Net weight 28 kg Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 53: System Installation
Move the device close to the installation site before unpacking. Unpacking the device with caution to avoid scratching or bumping. ● Avoid damaging cabinet components and cables when moving the indoor unit. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 54 Seal the ends of copper pipes to prevent foreign matter from entering refrigerant pipes. ● Pipes cannot be routed from the bottom on a concrete floor. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 55 Before connecting cables, wear insulation and protective equipment, such as protective gloves. ● Before connecting cables, use a multimeter to measure the input voltage and ensure that the power supply is disconnected. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 56: Layout Principles
● Pipes through the wall or floor of the equipment room should be routed in tubes, between which sealing measures (firestop putty recommended) are taken. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 57: Indoor Unit Installation Position
● Before installation, check whether the installation environment meets the requirements and whether the building needs to be altered to facilitate pipe layout, cable routing, and ventilation duct construction. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 58 At least 1350 mm maintenance space must be reserved in front of or at the rear of the indoor unit, and at least 600 mm maintenance space must be reserved at the other end. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 59: Outdoor Unit Installation Position
Special Environment Requirements ● Monsoon: If you install the outdoor unit vertically, ensure that the air produced by fans flows in and out in the same direction as the monsoon. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 60 ● The dotted line boxes in the figures indicate the optional low temperature component. Figure 4-5 Space requirements for horizontal installation Figure 4-6 Space requirements for vertical installation Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 62: Installation Preparations
The onsite technical personnel can select tools based on the site requirements. Personal protective equipment Safety helmet Goggles Dust mask Protective shoes Reflective vest ESD gloves Insulated gloves Protective gloves Antifreeze gloves Safety harness Safety belt Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 63 (10 mm/13 screwdriver screwdriver (M6/M8/M10/ mm/18 mm) (M3/M4) (M4/M5/M6/M8) M12) Adjustable wrench Adjustable torque Hammer drill Hammer drill bit (10"/15") wrench (Φ22) Claw hammer Electric Marker Step ladder screwdriver Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 64 Pipe connection tools Thread sealant/ Thermal Cutter Welding torch insulation foam sealing tape sealant (sealing tape) Silver welding rod Oxygen cylinder Acetylene Nitrogen Hot melt device (for rigid pipes) Pipe bender Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 65 Temperature resistance 85°C at least for thermal insulation foam sealant or sealing tape Cable Installation Tools Wire strippers Needle-nose Diagonal pliers Power cable pliers crimping tool RJ45 crimping Insulation tape Heat shrink Heat gun tool tubing Cable tie Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 66 The nitrogen cylinder port should have a reducing valve, and the measuring range should be at least 4.0 MPa. f: Dry nitrogen. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 67: Materials
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. Figure 4-9 Refrigerant detection Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 68: Refrigerant Oil
NO TE Add refrigerant oil only if it leaks. Contact the supplier to confirm the amount of refrigerant oil to be added. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 69: Refrigerant Pipe Component
Note: If the one-way pipe is longer than 100 m, contact technical support. Figure 4-10 Oil trap and inverted trap (unit: mm) Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 70: Drainpipe
(3) Rigid pipe: made of PP-R (4) Pagoda connector (5) Hose clamp (6) Hose: inner diameter of 3/4 inch, made of EPDM or other materials Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 71: Humidifier Water Inlet Pipe
NO TE (1) in the dotted box is an internal thread connector delivered with the indoor unit. (5) Hose clamp is a standard material. Other items need to be purchased. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 72: Pipe Support
RS485 communications cable of the outdoor unit as an example) (Optional) Temperature and humidity CAT 5e or higher shielded network (T/H) sensor cable, teamwork control cables cable, and monitoring communications cable Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 73: Unpacking And Checking
----End 4.4 Installing the Indoor Unit 4.4.1 Checking the Nitrogen Pressure Step 1 Open the rear door and remove the air filters. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 74 If the pressure displayed on the pressure gauge is greater than or equal to 0.2 MPa, the unit is in good condition. ● If the pressure gauge reading is less than 0.2 MPa, pipes have leakage points. Contact technical support. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 75: Removing Transport Fasteners
Step 2 Remove the sheet metal for securing the compressor during transportation. NO TE Properly store the sheet metal. If the device needs to be transported again (for example, in a container scenario), install the sheet metal. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 76: Securing The Cabinet
Put a level at the bottom of the cabinet in width and depth directions and check that the air bubble is in the middle between the two lines marked on the glass tube. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 77 User Manual (1350 mm Depth) 4 System Installation Figure 4-19 Leveling the cabinet (1) Level Step 5 Install connecting kits. Figure 4-20 Installing connecting kits Step 6 Secure the cabinet. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 78: Installing The Outdoor Unit
Contact technical support. Figure 4-22 Checking the nitrogen pressure ----End 4.5.2 Removing Transport Fasteners Step 1 Remove the screws from the pallet and move the device off the pallet. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 79: Securing The Outdoor Unit
Step 3 Place the device with the fan facing upwards and secure the legs to the concrete base. NO TICE When turning the outdoor unit, do not hold two of its legs for a long time. Otherwise, the outdoor unit may be damaged. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 80: Vertical Installation (Netcol500-A060)
W x D (mm) NetCol500-A060 924 x 1047 NetCol500-A120 2018 x 1047 ----End 4.5.3.2 Vertical Installation (NetCol500-A060) Concrete Base Step 1 Secure the angle brackets to the support platform. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 81 Step 2 Secure the outdoor unit to the base. Figure 4-26 Installing an outdoor unit ----End Double-Layer Support Base Step 1 Install an outdoor unit on the first layer. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 82 Product User Manual (1350 mm Depth) 4 System Installation Figure 4-27 Installing an outdoor unit on the first layer Step 2 Secure an outdoor unit on the second layer. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 83: Vertical Installation (Netcol500-A120)
User Manual (1350 mm Depth) 4 System Installation Figure 4-28 Securing an outdoor unit on the second layer ----End 4.5.3.3 Vertical Installation (NetCol500-A120) Step 1 Secure the bottom of the outdoor unit. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 84 NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) 4 System Installation Figure 4-29 Securing the bottom of the outdoor unit Step 2 Secure the top of the outdoor unit. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 85: Optional) Installing A Low Temperature Component
If the pressure displayed on the pressure gauge is greater than or equal to 0.2 MPa, the unit is in good condition. ● If the pressure gauge reading is less than 0.2 MPa, pipes have leakage points. Contact technical support. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 86: Removing Transport Fasteners
Step 1 Remove the screws from the pallet and move the device off the pallet. Figure 4-32 Removing the screws from the pallet ----End 4.6.3 Securing the Low Temperature Component Step 1 Secure the device to the base. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 87: Installing Pipes
After the airflow noise disappears, remove the rubber hose and install the valve bonnet. Figure 4-34 Exhausting nitrogen Step 2 Determine the pipe route. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 88 NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) 4 System Installation Figure 4-35 Top pipe routing (NetCol500-A060) Figure 4-36 Top pipe routing (NetCol500-A120) Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 89 Figure 4-37 Welding Use a welding torch to remove the plugs at the refrigerant pipe ends. Weld the pipes. Wrap thermal insulation foam around the pipe. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 90 (Hose connection) Secure the hose using hose clamps and connect the drainpipe to the external drainage system. Wrap thermal insulation foam around the entire pipe (including connectors). Figure 4-39 Connecting the drainpipe (rigid pipe connection) Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 91: Bottom Pipe Routing
After the airflow noise disappears, remove the rubber hose and install the valve bonnet. Figure 4-43 Exhausting nitrogen Step 2 Determine the pipe route. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 92 Connection relationship of liquid pipe ports: ● Without a low temperature component: Indoor unit > Outdoor unit ● With a low temperature component: Indoor unit > Low temperature component > Outdoor unit Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 93 Use a utility knife to cut a cross in the rubber ring, wrap the pipe with thermal insulation foam, route the pipe through the hole. Weld the pipes. Wrap thermal insulation foam around the pipe. Seal the cable hole using firestop putty. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 94 It is necessary to shorten the drainpipe length, reduce the number of bends (to reduce local resistance), or decrease the drainage height. ● The drainpipe (including the connectors) must be wrapped with thermal insulation foam. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 95: Leakage Test With Nitrogen
● During pressure preservation, do not remove the rubber hoses and pressure gauges; otherwise, nitrogen may leak. ● The outlet pressure of the reducing valve should be within 3.0 MPa; otherwise, components may be damaged. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 96: Installing Cables
Step 3 If the pressure decreases, use soapy water to identify the leaking point and repair it. If the pressure preservation is proper, exhaust nitrogen from the needle valves. ----End 4.9 Installing Cables Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 97: Determining Cable Routes
(8) Signal cable communications cable 4.9.2 Installing an Equipotential Ground Cable for the Indoor Unit Step 1 Install an equipotential ground cable. Figure 4-54 Installing an equipotential ground cable ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 98: Installing Power Cables For The Indoor Unit
● For details about how to connect signal cables to signal terminals, refer to the method of connecting the RS485 communications cable for the outdoor unit. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 99: Optional) Installing T/H Sensor Cables
NO TE ● T/H sensors should be installed 1.5 m (33 U) above the ground. ● Each smart cooling product supports a maximum of 10 T/H sensors outside cabinets. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 100 Cold aisle 4 temp/humid Cold aisle 5 temp/humid Hot aisle 1 aisle temp/humid Hot aisle 2 temp/humid Hot aisle 3 temp/humid Hot aisle 4 temp/humid Hot aisle 5 temp/humid Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 101: Optional) Installing Teamwork And Monitoring Communications Cables
ELV cable tray, to reduce the impact of electromagnetic interference on teamwork communication. 4.9.6.1 Preparing a Network Cable Step 1 Crimp a network cable. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 102: Smart Module Networking Scenario
Smart module networking is the networking of in-row smart cooling products using the ECC800 in a smart module. Step 1 Connect teamwork and monitoring communications cables. Networking Teamwork Monitoring Protocol MAC_CAN Modbus-TCP Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 103: Independent Networking
Figure 4-63 Connecting communications cables If the length of a network cable in the FE teamwork is greater than or equal to 100 m, use the group-based ring networking mode. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 104: Fe Teamwork + Rs485 Monitoring
≤ 4), set recommended: RS485 monitoring grouping to Enable on the Modbus Settings screen for the unit with the COM/FE port connected. Retain the default setting (Disable) for other units. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 105 Connect FE_2 of No. 1 unit and FE_1 of No. 2 unit, and connect the remaining FE_1 and FE_2 of the last two units. Figure 4-66 FE teamwork group-based ring networking (using 13 units as an example) ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 106: Can Teamwork + Fe Monitoring
NMS as the monitoring system. Figure 4-67 Connecting communications cables ----End 4.9.6.3.4 CAN Teamwork + RS485 Monitoring Step 1 Connect teamwork and monitoring communications cables. Networking CAN Teamwork RS485 Monitoring Protocol Modbus-RTU Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 107 RS485 port on the host. ● Customers can purchase the NetEco (an ECC is required) or a third-party NMS as the monitoring system. Figure 4-68 Connecting communications cables ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 108: Sealing Holes
NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) 4 System Installation 4.9.7 Sealing Holes Seal all holes. Figure 4-69 Hole sealing Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 109: Installation Verification
□ Passed □ Failed without leaks. Compressor The sheet metal for transporting the □ Passed □ Failed compressor is removed. The bolts on the compressor are □ Passed □ Failed tightened. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 110 The needle valve plug is secured (torque of 0.45±0.05 □ Passed □ Failed N·m), and the valve bonnet is tightened. The pipes are not seriously bent. □ Passed □ Failed Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 111: Checking The Outdoor Unit
Fins of the The fins are not pushed down or □ Passed □ Failed heat damaged. exchanger Fins protection plates have been removed. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 112 Cables are securely tightened, and □ Passed □ Failed temperature measures have been taken to prevent component cables from sun exposure and water. (optional) The low temperature component is secured using bolts. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 113: Power-On Commissioning
Step 1 Check whether a low temperature component is installed on the outdoor side. ● If no low temperature component is configured, connect the pressure gauges and vacuum pump to the low-pressure needle valve and discharge pipe needle valve, and start vacuumizing. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 114 Step 4 Vacuumize the cooling system for at least 80 minutes after checking that the cooling system does not leak. The pressure displayed on the vacuum pump should be less than or equal to 60 Pa (absolute pressure). When the pressure stops Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 115: Refrigerant Charge Amount Requirements
(kg) = Standard 0.25 0.27 charge amount + Extra charge amount NO TE When the outdoor unit is NetCol500-A120, the outdoor unit can be separately connected to two indoor units. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 116: Precharging Refrigerant
Figure 6-4 Charging refrigerant (with a low temperature component) (1) Electronic balance (2) Refrigerant cylinder (3) Pressure gauge 1 (4) Pressure gauge 2 (5) Connection nut (6) Low-pressure needle valve Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 117 Tighten the needle valve bonnets when the charge is complete. Check whether a needle valve leaks by applying soap bubbles to the valve vent or using a halogen leak detector. If any leakage occurs, contact technical support. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 118: Preparing For Power-On
Step 3 Turn on indoor unit switches QF1 and QF2. Step 4 After the initial power-on, the Quick Settings screen is displayed. Log in as user admin. Figure 6-5 Initial power-on Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 120 This parameter is displayed after Teamwork function is set to Enable. System Cold aisle sensor Enables or disables a sensor. Optional Hot aisle sensor Enables or disables a sensor. Parts Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 121 ● If there is an intelligent temperature control monitoring board, set this parameter to Yes. ● If there is no intelligent temperature control monitoring board, set this parameter to No. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 122 Set this parameter after Smart between indoor and diagnosis function is set to Enable. outdoor units Specify the height difference between the indoor and outdoor units of a smart cooling product. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 123 ● Low-temperature heating: The heating function is enabled when the current temperature is lower than the temperature setpoint by a certain value. ● Dehumidification & Low temperature heating: Both functions are available. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 124 ● If this parameter is set to Startup status, DO_1 acts according to DO_1 action when the unit is started. ● If this parameter is set to No, no alarm is generated when DO_1 is disconnected. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 125 Off, and is used together with DO_1. For details, see DO_1 description. DO_2 action This parameter can be set to On or Off, and is used together with DO_2. For details, see DO_2 description. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 126 ● Return air: 26–35°C recommended ● Supply air: 18–24°C recommended ● Cold aisle: 18–24°C recommended ● Hot aisle: 26–35°C recommended Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 127: Home Screen
The home screen of the display module displays the system status and allows you to access other function menus. NO TICE The information in the screenshots is for reference only. The actual parameters may vary. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 128 Indicates the number of active critical alarms. Major alarms Indicates the number of active major alarms. Minor alarms Indicates the number of active minor alarms. Warnings Indicates the number of active warnings. Status bar Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 129: Setting Parameters
Path: Settings > System Settings > T/H Sensor Figure 6-9 T/H Sensor Parameter Description Cold aisle sensor Enables or disables a sensor. Hot aisle sensor Enables or disables a sensor. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 130 Table 6-1 Setting example Temperature Setpoint Lower Limit of Upper Limit of (°C) Humidity Setpoint (% Humidity Setpoint (% 24.7 23.1 21.7 20.4 19.2 16.9 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 131: Optional) Setting Teamwork Parameters
70.9 66.9 59.5 56.1 47.3 44.7 42.2 37.8 35.8 33.9 32.1 30.5 28.9 27.4 24.7 23.4 6.5.2 (Optional) Setting Teamwork Parameters Setting Teamwork Parameters Path: Teamwork > Teamwork Settings Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 132 Specifies the total number of units in this group. The this group value is an integer ranging from 1 to 32. NOTE This parameter is displayed after Teamwork function is set to Enable. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 133 24 time points in a day (0–23). Forced rotation Indicates whether to enable forced rotation regardless of the specified rotation time. After a forced rotation, the rotation period starts again. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 135 Frame: green/non- ● A green frame indicates the current unit, as green shown in ● Devices without a green frame indicate other devices in the teamwork group. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 136: Optional) Setting Communications Parameters
If no, check the cable connection and the teamwork settings. ----End 6.5.3 (Optional) Setting Communications Parameters 6.5.3.1 Setting Access Control Parameters Path: Settings > Comm Settings > Access Control Figure 6-12 Access Control Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 137: Setting Communications Parameters (Modbus-Rtu Protocol)
The NMS communicates with the smart cooling product using this address, and the communications addresses of two smart cooling products connected to the same NMS must be different. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 138: Setting Communications Parameters (Modbus-Tcp Protocol)
NO TE The WAN IP address cannot be in the 192.168.245.X, 192.168.246.X, or 192.168.248.X network segment. Step 2 On the home screen, choose Settings > Comm Settings > Modbus Settings. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 139 ● Connecting to other NMSs: You are advised not to change the value. In special cases, set this parameter based on the site requirements. Pre-shared password Secondary authentication password used for Modbus- TCP connection. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 140: Setting Communications Parameters (Snmp Protocol)
Submit. Step 4 Add a SNMPv3 user. Tap Add under SNMP V3. Set User Name, Auth Protocol, and Prop Protocol based on the actual plan. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 141 SNMP Version be set to SNMPv3. If SNMP Version is set to SNMPv3, you need to select SNMPv3 User Name. For other protocols, you need to set Trap Community. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 142: Optional) Setting Wifi Parameters
Enter the WiFi password when you use a mobile phone to connect to the WiFi. The WiFi has no preset password. When you enable the WiFi function for the first time, you need to set a password. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 143: Startup
After factory settings are restored, startup verification is required. Step 1 Tap Start on the home screen to enter the initial startup screen. Tap OK to enter the startup authorization screen. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 144 Figure 6-19 Requiring a startup password ● If the Password required for start or shutdown onsite function is not enabled, tap OK to start the unit. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 145: Charging The Remaining Refrigerant
If there is a low temperature component, open the low-pressure valves of pressure gauge 1 and pressure gauge 2, and charge the remaining refrigerant from the low-pressure needle valves in small flow or intermittently. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 146 Step 5 After charging refrigerant, close all valves. Step 6 On the home screen, choose Maint > Diagnostic Mode > Exit and confirm the operation. Step 7 Tap Shutdown on the home screen. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 147: Wizard Startup
● For the initial wizard startup, Last Record is in gray, indicating that operation is not allowed. ● For a non-initial wizard startup, you can choose Last Record to view the last wizard startup report. Figure 6-23 Checking before startup Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 148: Optional) Power-Off
Step 3 (Optional) If the power supply needs to be disconnected for maintenance or for a long period, turn off the upstream power input switch for the smart cooling system. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 149: Checking After Commissioning
The foreign matter on the water pan and bottom plate □ Passed □ Failed is cleaned up. The air filters are correctly installed according to the air □ Passed □ Failed flow direction on the frame. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 150: Webui
COM/FE port on the unit. On the main screen of the unit, choose Settings > Comm Settings > WAN IP Settings, and set the IP address, subnet mask, and gateway for the unit. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 151 Step 3 Log in to the WebUI of the unit. Enter https://IP address (such as https://192.168.0.10) in the address box of the browser, and then press Enter to enter the WebUI login page. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 152: Introduction To The Webui
Monitor the running information of the unit in real time, set running parameters, and control the running. For example, set the temperature and humidity of the unit, enable the T/H sensor, and set the fan control type. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 153 ● Query and export fault information. ● Manage users, such as adding, modifying, deleting, locking, and unlocking user accounts. ● Import and export configuration files to configure the unit quickly. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 154: System Maintenance
Rated power voltage Measured power voltage Running > Device Details > Discharge Compressor temperature Discharge pressure Suction pressure Teamwork > Teamwork Settings Teamwork function Number of systems in this group Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 155: Monthly Maintenance
Pipe The refrigerant pipe does not Repair the leakage points and leak and is properly wrapped rewrap thermal insulation with thermal insulation foam. foam. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 156 The indoor fan runs smoothly. Take out the foreign matter. The screws on the indoor fan Tighten loose screws. are not loose or distorted. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 157: Quarterly Maintenance
If the temperature deviation is calibrate the T/H sensors greater than 1°C or humidity inside and outside cabinets. deviation is greater than 5%, the T/H sensor must be calibrated or replaced. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 158: Outdoor Unit Routine Maintenance
The air intake and exhaust Clear the obstacles at the air of the condenser are intake and exhaust vents. smooth. The fins are not dirty or Clean the fins. blocked. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 159: Semi-Annual Maintenance
Low temperature The bolts are tightened Tighten the bolts. component properly. (optional) The cables are securely Check the cable connection. connected. If a cable is loose, secure it. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 160: Alarm Reference
NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) 9 Alarm Reference Alarm Reference FusionCol & NetCol Smart Cooling Product Alarm Reference . For details, see the Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 161: Troubleshooting
A compressor motor is Replace the motor. damaged. A compressor does not need Check the requirement status on to start. the display module. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 162 Filters are clogged with dirt. Replace the filters. returns. The external excess pressure is Check whether the air duct is too high, and air decreases. blocked. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 164 The switch is faulty. Replace the electric heater heater switch. switch trips abnormally The electric The electric heater contactor is Replace the electric heater heater not closed. contactor. fails. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 166: Component Replacement
(11) High pressure sensor (12) Differential pressure switch (13) Main control module (14) PSU (15) High pressure switch (16) Temperature sensor (17) Compressor (18) Filter dryer (19) Outdoor fan Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 167: Replacing An Air Filter
11.3 Replacing a Water Inlet Solenoid Valve Prerequisites ● A water inlet solenoid valve needs to be replaced. ● A spare water inlet solenoid valve of the same model is available and functional. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 168 Step 5 Install the new water inlet solenoid valve, secure the humidifier water inlet hose and the lower hose, and connect cables to the water inlet solenoid valve. Step 6 Open the upstream water valve and power on the device. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 169: Replacing A Wet Film Humidifier
Step 2 Remove the humidifier. Remove the hose clamp and remove the water inlet pipe. Remove the fastener and remove the wet film humidifier. Figure 11-4 Removing the humidifier Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 170: Replacing A Condensate Pump
Remove the hose clamps from the drain outlet of the water pan and the outlet of the check valve, and remove the hoses. Remove the screws that secure the condensate pump assembly, and pull out the condensate pump assembly. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 171: Replacing A Liquid Level Detector
11.6 Replacing a Liquid Level Detector Prerequisites ● A liquid level detector needs to be replaced. ● A spare liquid level detector of the same model is available and functional. ● Tool: Phillips screwdriver Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 172 Step 7 Install the air filter and close the rear door. Step 8 After startup, check that the smart cooling product is running properly and no alarm is generated. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 173: Replacing An Electric Heater
Figure 11-7 Removing an electric heater Step 4 Install the new electric heater, and connect and secure the cables. Step 5 Install the fan support, connect cables, and close the front door. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 174: Replacing An Indoor Fan
Cut off the cable tie that secures the cable to the faulty fan, and remove the fan terminal. Remove the screws that secure the faulty fan. Take out the faulty fan and remove the fan guard. Figure 11-8 Removing the faulty fan Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 175: Replacing A Display Module
Open the front door and exercise caution not to damage the cables. Remove the cables from the display module. Use a Phillips screwdriver to remove the screws and gasket that secure the display module, and pull out the display module. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 176 LCD. The main screen is displayed. The whole restoration takes about 60s to 90s. Step 4 Power on the device. Step 5 Install the air filter and close the rear door. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 177: Replacing A Drive
Maintenance > Wizard Startup, start the compressor, and check that the compressor runs properly and no alarm is generated. Check that it works properly before you exit. Return to the home screen and tap Start. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 178: Replacing A Pressure Switch Or Pressure Sensor
(1) Pipe nut (2) Adjustable nut NO TICE Exercise caution when removing the high pressure switch because a small amount of refrigerant will be sprayed when you remove the switch. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 179: Replacing A Differential Pressure Switch
Figure 11-12 Removing a differential pressure switch Step 4 Set the value of the new differential pressure switch to 250 Pa, install the new differential pressure switch, connect cables, and install the pressure inlet tube. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 180: Replacing A Main Control Module Or Psu
Exercise caution because the device is still energized after it is shut down on the home screen of the display module. Step 3 Disconnect cables from the main control module and remove the module. Figure 11-13 Removing a main control module Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 181: Replacing An Ntc Temperature Sensor
Step 6 Install the air filter and close the rear door. Step 7 After startup, check that the smart cooling product is running properly and no alarm is generated. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 182: Replacing A Compressor
Connect the refrigerant reclaiming pump to the low-pressure needle valve of the indoor unit. When the pressure decreases to the atmospheric pressure and Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 183 Remove the four nut washers and spring washers that secure the compressor and bracket using a 13# socket wrench (or solid wrench), and remove the compressor. Figure 11-14 Removing a compressor Step 5 Install the new compressor. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 184: Replacing A Filter Dryer
A spare filter dryer of the same model is available and functional. ● Tools: refrigerant reclaiming device (configured based on local conditions), Phillips screwdriver, nitrogen cylinder, refrigerant tank, vacuum pump, Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 185 36# adjustable wrench to loosen the adjustable nut until the pipe is separated from the filter dryer. Immediately seal the pipe opening after removal to keep the system clean and prevent water from entering the system. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 186 Step 11 Install the air filter and close the rear door. Step 12 Check that the smart cooling product is running properly and no alarm is generated. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 187: Replacing An Outdoor Fan
Loosen the waterproof terminal on the cable and pull out the cable from the connection box. Remove the four screws that secure the fan assembly, and remove the faulty fan assembly. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 188 5 minutes, and check that the outdoor fan runs properly and no alarm is generated. Step 11 After confirmation, set the outdoor unit speed to 0% and exit the diagnostic mode. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 189: Faq
LCD, ECC WebUI, or shut down NetEco WebUI. Method 2: Connect Start Shutdown equipment. the remote start/ shutdown dry contacts of the hardware port. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 190 ● If ON/OFF via NMS is disabled on the smart cooling product LCD, the device cannot be started or shut down over the ECC or NetEco. Figure 12-1 Start/Shutdown over the LCD Figure 12-2 Start/Shutdown over the ECC WebUI Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 191: Operations With A Usb Flash Drive
64 GB. For a non-FAT32 USB flash drive, format it to the FAT32 format using a computer. ● Before using a USB flash drive, ensure that its data has been scanned by antivirus software and is secure. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 192: How Do I Export Data
With the one-click mode, you can export active alarms, historical alarms, run logs, and so on. Procedure Step 1 Choose Maintenance > USB Operations > Export to enter the Select Path screen. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 193: How Do I Export Or Import A Configuration File
Step 3 After the data is successfully exported, tap Finish. Step 4 On the home screen, choose Maintenance > USB Operations > Remove USB to remove the USB flash drive in safe mode. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 194: How Do I Import A Certificate And Key
The CA certificate file, local certificate file, and key file have been saved in a USB flash drive. NO TICE Ensure that the key file has been encrypted using AES128. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 195: Display Module Screen Operations
Step 1 On the home screen, choose Settings > Comm Settings > LAN IP Settings, and set LAN IP assigning mode to Manual. Set LAN IP address, LAN subnet mask, and LAN gateway based on the actual plan. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 196: How Do I Check Temperature And Humidity Curves
You can choose to display the curves in recent one hour, one day, seven days, or 30 days. Procedure Step 1 Tap T/H Curve on the home screen. Figure 12-13 T/H Curve screen Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 197: How Do I View Logs
View on Device Details: The following describes how to view the status of a T/H sensor. On the home screen, choose Running > Device Details > T/H Sensor. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 198: How Do I View System Parameters
12.3.7 How Do I View the Service Information? Procedure Step 1 On the home screen, tap About. Step 2 On the About screen, tap Service Info. Figure 12-14 Service Info screen ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 199: How Do I Check Teamwork Control Information
12.3.10 How Do I Handle Alarms? Procedure Step 1 Tap (or choose Alarms > Active Alarms on the home screen) to enter the active alarm screen. Figure 12-15 Active alarms Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 200: How Do I Clear Component Runtime
Procedure Step 1 On the home screen, choose Maint > Performance Maint. Step 2 Tap Clear in the row of a performance parameter to clear the runtime. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 201: How Do I Calibrate A T/H Sensor
Examples of low complexity passwords: H#uawei123, Password and openasadminAdmin23@#. Step 2 Tap Password to access the password change screen and change the password. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 202: How Do I Set Alarm Parameters
Be careful when configuring alarm parameters. Only professional maintenance personnel can change alarm settings. Procedure Step 1 On the home screen, choose Settings > Alarm Settings > T/H Sensor. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 203: How Do I Commission A Component
● The following describes how to commission an indoor fan. Procedure Step 1 On the home screen, choose Maint > Diagnostic Mode > Enter to enter the diagnostic mode. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 204: How Do I Query The Setting Of A Parameter Before Change
-> is the setting after change. NO TE The log query screen displays logs of LCD user operations, including user login and setting change records. Figure 12-20 Query Logs 12.4 WebUI Operations Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 205: How Do I Manage Webui Users
Choose the admin user and click Modify. Reset the login password on the displayed page and click Confirm. Figure 12-21 Changing the login password Enter Login user password and click Submit. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 206 – Retrieve the password if you forgot it. On the login page, click Forgot password, enter related information to obtain a verification code, and reset the login password. – A verification code is used for login. Enter Login user password and click Submit. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 207: How Do I Install A Network Security Certificate
Step 1 Log in to the WebUI of the unit as an administrator. Step 2 Choose Home > Active Alarm to view the active alarms of the unit. Click Details in the Alarm Description area to view alarm details of devices. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 208: How Do I Export Or Import A Configuration File
If Encryption Password for Export is selected, the exported data package will be encrypted, and you need to enter the encryption password to decompress the data package. To ensure data security, you are advised to select Encryption Password for Export. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 209: How Do I Change An Ip Address
Step 3 Choose Maintenance > Version Information and view the version information, software version, and BSP version. ----End Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 210: A Power Cable Filter For An Outdoor Unit
@ 10 kHz which can withstand 16 kHz inductor switching frequency and does not generate heat due to saturation Y capacitor 2.7 nF @ 10 ±10% Thin film feedthrough capacitor Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 211: B Indoor Unit Cooling Component Layout
(13) Sight glass (14) Liquid pipe temperature (15) Electronic expansion valve sensor (16) Low-pressure needle valve (17) Evaporator (18) Indoor fan (19) Distributor (20) Low pressure sensor (21) Suction temperature sensor Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 212: C Base Drawing
NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) C Base Drawing Base Drawing C.1 Indoor Unit Base Drawing Figure C-1 Indoor unit base C.2 Outdoor Unit Base Drawings Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 213: Low Temperature Component
NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) C Base Drawing C.2.1 Low Temperature Component Figure C-2 Concrete base for a low temperature component Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 214: Netcol500-A060
NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) C Base Drawing C.2.2 NetCol500-A060 Horizontal Installation Figure C-3 Concrete base for the NetCol500-A060 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 215 ● When installing the equipment 52273755, 52273755-002, or 52273755-003, you need to place two horizontal bases side by side and remove the screws from the combining surface to combine the bases. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 216 NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) C Base Drawing Vertical Single-Layer Installation Figure C-5 Concrete base for the NetCol500-A060 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 217 NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) C Base Drawing Figure C-6 Single-layer support base for vertical installation of the NetCol500-A060MC1D0 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 218 NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) C Base Drawing Figure C-7 Single-layer support base for vertical installation of the NetCol500-A060MS1E0 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 219 NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) C Base Drawing Vertical Double-Layer Installation Figure C-8 Double-layer support base for vertical installation of the NetCol500-A060MC1D0 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 220 NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) C Base Drawing Figure C-9 Double-layer support base for vertical installation of the NetCol500-A060MS1E0 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 221: Netcol500-A120
NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) C Base Drawing C.2.3 NetCol500-A120 Horizontal Installation Figure C-10 Concrete base for the NetCol500-A120 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 222 ● When installing the equipment 52273755, 52273755-002, or 52273755-003, you need to place two horizontal bases side by side and remove the screws from the combining surface to combine the bases. Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 223 NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) C Base Drawing Vertical Single-Layer Installation of Outdoor Units Figure C-12 Single-layer support base for vertical installation of the NetCol500-A120 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 224: D Electrical Conceptual Diagram
NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) D Electrical Conceptual Diagram Electrical Conceptual Diagram D.1 Indoor Unit Electrical Diagrams Figure D-1 Electric diagram 1 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 225 NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) D Electrical Conceptual Diagram Figure D-2 Electric diagram 2 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 226 NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) D Electrical Conceptual Diagram Figure D-3 Electric diagram 3 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 227 NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) D Electrical Conceptual Diagram Figure D-4 Electric diagram 4 Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 228: Netcol500-A060 Electrical Diagram
NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) D Electrical Conceptual Diagram D.2 NetCol500-A060 Electrical Diagram Figure D-5 NetCol500-A060 electrical diagram Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 229: Netcol500-A120 Electrical Diagram
NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) D Electrical Conceptual Diagram D.3 NetCol500-A120 Electrical Diagram Figure D-6 NetCol500-A120 electrical diagram Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 230: E Acronyms And Abbreviations
User Manual (1350 mm Depth) E Acronyms and Abbreviations Acronyms and Abbreviations alternating current board support package computational fluid dynamics controller area network direct current electronic commutation network management system Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 231 Ethernet Internet Protocol liquid crystal display local user interface negative temperature coefficient personal computer positive temperature coefficient power usage effectiveness RCCB residual current circuit breaker thin film transistor Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 232 NetCol5000-A050 In-row Air Cooled Smart Cooling Product User Manual (1350 mm Depth) E Acronyms and Abbreviations Universal Serial Bus Issue 04 (2022-12-15) Copyright © Huawei Digital Power Technologies Co., Ltd.

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