Page 1 NetCol8000-E220 Modular Indirect Evaporative Cooling System User Manual Issue Date 2020-08-19 HUAWEI TECHNOLOGIES CO., LTD.
Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei 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 4 Updated the water supply requirements. Issue 03 (2020-02-25) ● Added web parameter description. ● Added NetCol8000-E repainting. ● Updated the safety information. Issue 02 (2019-10-10) ● Added web information. ● Updated the LCD figures. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 5 NetCol8000-E220 Modular Indirect Evaporative Cooling System User Manual About This Document Issue 01 (2019-05-31) This issue is the first official release. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 6: Table Of Contents
3.2.4 Cable...................................... 30 3.3 (Optional) Concrete Platform Scenario........................32 3.4 (Optional) Steel Base Scenario............................36 3.5 Unpacking....................................40 3.5.1 Remove the Packaging..............................41 3.5.2 Checking Fittings................................41 3.5.3 Checking the Nitrogen Pressure........................... 41 Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 7 4.9 Checking After Commissioning............................113 5 WebUI............................ 114 5.1 Preparations and WebUI Login............................114 5.2 WebUI Introduction................................116 6 System Operation and Maintenance................119 6.1 Routine Maintenance Overview............................ 119 6.2 Routine Maintenance................................ 120 Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 8 7.1.16 Which Parameters Are Restored to Default Values After Default Settings Are Operated....232 7.1.17 Exporting Data................................233 7.1.18 How to Export and Import a Configuration File....................234 7.1.19 How to Import a Certificate and a Key......................... 237 7.2 WebUI Operations................................238 Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 9 A Cleaning the NetCol8000-E....................243 B NetCol8000-E Repainting....................244 C Parameter Description....................... 249 D Maximum Water Consumption..................267 E Cooling Component Layout....................269 F Electric Diagram........................270 G Acronyms and Abbreviations................... 276 Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd. viii...
Page 10: Safety Information
The "NOTICE", "CAUTION", "WARNING", and "DANGER" statements in this document do not cover all the safety instructions. They are only supplements to the safety instructions. Huawei will not be liable for any consequence caused by the violation of general safety requirements or design, production, and usage safety standards.
Page 11 ● Keep irrelevant people away from the equipment. Only operators are allowed to access the equipment. ● Use insulated tools or tools with insulated handles, as shown in the following figure. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 12 If there is a probability of personal injury or equipment damage during operations on the equipment, immediately stop the operations, report the case to the supervisor, and take feasible protective measures. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 13: Personnel Requirements
Do not power on the equipment before it is installed or confirmed by professionals. 1.2 Personnel Requirements ● Personnel who plan to install or maintain Huawei equipment must receive thorough training, understand all necessary safety precautions, and be able to correctly perform all operations. ●...
Page 14 24 hours before they are laid out. ● Do not perform any improper operations, for example, dropping cables directly from a vehicle. ● When selecting, connecting, and routing cables, follow local safety regulations and rules. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 15: Installation Environment Requirements
If any liquid is detected inside the equipment, immediately disconnect the power supply and contact the administrator. ● Do not expose the equipment to flammable or explosive gas or smoke. Do not perform any operation on the equipment in such environments. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 16: Mechanical Safety
Personnel who fail to stop violations will be forbidden from working. 1.5 Mechanical Safety Hoisting Devices ● Do not walk under hoisted objects. ● Only trained and qualified personnel should perform hoisting operations. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 17 Ensure that the wider end of the ladder is at the bottom, or protective measures have been taken at the bottom to prevent the ladder from sliding. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 18 D ANGER When removing a heavy or unstable component from a cabinet, be aware of unstable or heavy objects on the cabinet. ● Be cautious to avoid injury when moving heavy objects. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 19: Cooling System Safety
● When maintaining or replacing components, pay attention to high-pressure components (such as the compressor and refrigerant pipe) to prevent the refrigerant system from being cracked or exploded due to misoperations. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 20: Others
The dealer can help you recycle devices in a safe and environment-friendly way. 1.7 Others Exercise caution when shutting down the smart cooling product. Doing so may cause equipment and room overheating, which will damage the equipment. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 21: Product Description
NetCol8000-E220 Modular Indirect Evaporative Cooling System User Manual 2 Product Description Product Description 2.1 Model Number Description Figure 2-1 NetCol8000-E model number description 2.2 Product Composition 2.2.1 Dimensions Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 22 (6) No. 2nd maintenance (7) Condensate (8) Spray drainpipe drainpipe 1 door drainpipe 2 (9) Spray water refill (10) Outdoor air intake (11) No. 3rd pipe port (on the side) maintenance door Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 23: Physical Ports
Air vent Outdoor air intake port 2130 mm x 1310 (at the end) Outdoor air intake port 500 mm x 1200 (on the side) Outdoor air outlet port 2130 mm x 1310 Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 24 AC3 is AC3 input N required.) Teamwork AHU northbound RS485 control/ monitoring monitoring/ AHU teamwork control CAN1 external reserved ports AHU teamwork control CAN2 Remote startup and DI_1 shutdown Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 25: Controller
Figure 2-5 Position of the indicator (1) Indicator (2) USB (Universal Serial Bus, reserved) (3) I2C/12V (reserved) (4) DP (display port) (5) SW (reserved) Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 26 Service Expert app. Obtain the initial startup password during deployment. View or obtain the running information about the smart cooling product during preventive maintenance. Only Huawei service engineers or authorized service engineers are allowed to use the WiFi module. To ensure security, remove the WiFi module immediately after use.
Page 27 ● Remote management: You can monitor and manage one or more devices using the remote management function provided by Huawei. ● Provides a large space for recording and storing fault and alarm data. A minimum of 1500 historical alarms can be stored.
Page 28: Optional) Air Channel
Cooling mode Water Compressor pump Dry mode (fan) Wet mode (fan + spraying) Dry mode+Auxiliary cooling mode (fan + compressor cooling) Wet mode+Auxiliary cooling mode (fan + spraying + compressor cooling) Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 29 NetCol8000-E220 Modular Indirect Evaporative Cooling System User Manual 2 Product Description Figure 2-7 Dry mode Figure 2-8 Wet mode Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 30: Operating Environment Specifications
Figure 2-10 Wet mode+Auxiliary cooling mode 2.4 Operating Environment Specifications Operating Environment Table 2-6 Operating environment Item Parameter Operating temperature –40ºC to 45ºC Operating humidity 5%–95% RH Storage temperature –40ºC to +70ºC Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 31 This is not a product quality issue and you are advised to add a dehumidifier. Table 2-8 Installation requirements Name Parameter Base Bearing capacity ≥ 500 kg/m Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 32: Technical Specifications
(RCCB) that is insensitive to single-phase DC pulsation and transient impulse current. Note: If the requirements are not met, contact Huawei technical support for an optimized solution. 2.5 Technical Specifications Table 2-9 System specifications...
Page 33 150 Pa, outdoor static pressure: 50 Pa, outdoor temperature: 15°C) Table 2-10 Compressor cooling parameters Item Parameter Cooling mode Added refrigerant percentage Number of compressors Compressor type Variable frequency Throttling components Electronic expansion valve (EEV) Refrigerant R410A Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 34: Installation Guide
Reserve at least 1500 mm from the maintenance doors side to the wall or other device. ● Reserve at least 1200 mm from the electric control box side to the wall or other device. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 35 ● The design and installation of the condensate water trap must meet the requirements shown in Figure 3-2. ● The layout and installation of water pipes facilitate the maintenance of the NetCol8000. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 36: Material Preparations
Take insulation measures at low temperatures to prevent freezing in the water pipe. 3.2 Material Preparations Materials are classified to Huawei-provided, self-purchased, and onsite prepared materials, which are marked as mandatory, optional, and engineering purchasing in this document.
Page 37: Optional) Refrigerant R410A
3.2.1 (Optional) Refrigerant R410A CA UTION Do not use low-quality refrigerant. Huawei is not responsible for any damage caused by low-quality refrigerant. Follow these suggestions to choose high-quality refrigerant: Contact the refrigerant producer to confirm the refrigerant authenticity.
Page 38: Water Refill Pipe And Drainpipe
Determin materials ed by the engineeri Spray G 1-1/2 inch DN40 Rigid pipe: drainpipe port with made of PP- survey. inner screw R, C-PVC, or threads other materials Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 39: Pipe Support
If the cables used onsite are inconsistent with the recommended specifications, the cables may fail to pass through waterproof connectors or the waterproof connectors cannot be locked. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 40 70 A (Optional) This cooling cable is required Recom 4 x 70 mm power cable only when the mende compressor cooling d cross- system is powered section independently. al area 35 mm Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 41: Optional) Concrete Platform Scenario
3.3 (Optional) Concrete Platform Scenario Prerequisites NO TICE The evenness of concrete platforms is critical to equipment installation. Ensure that the height (altitude) difference of all platforms does not exceed 5 mm. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 42 Phillips screwdriver, jack, steel hoisting rope, level, level gauge, hammer drill, angle rule, claw hammer, vacuum cleaner Materials: NetCol8000-E, expansion bolt, angle steel bracket Procedure Step 1 Prepare a concrete platform by referring to the following figures. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 43 NetCol8000-E onto the concrete platforms. NO TICE When hoisting a NetCol8000-E, ensure that the four corner fittings of the NetCol8000-E are aligned with the marked mounting positions for corner fittings on the concrete platforms. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 44 3 Installation Guide Figure 3-6 Hoisting a NetCol8000-E Step 5 Secure the equipment to the concrete platform using four right angle brackets. Figure 3-7 Securing the equipment to the concrete platform ----End Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 45: Optional) Steel Base Scenario
Ensure that the crane is properly located and avoid long- distance hoisting. Keep the device stable and horizontal during hoisting, and ensure that the diagonal gradient of the NetCol8000-E is within 5 degrees. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 46 Phillips screwdriver, jack, steel hoisting rope, level, level gauge, hammer drill, angle rule, claw hammer, vacuum cleaner Materials: NetCol8000-E, expansion bolt, angle steel bracket Procedure Step 1 Prepare a steel base. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 47 (3) Rectangular tube (100 mm x 100 mm x 6 (4) Reinforced angle plate (right angle edge: 80 mm x 50 mm, 15 mm thick) (5) Expansion bolt (M16 x 150 mm) (6) 14B# channel steel Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 48 Figure 3-10 Hoisting the equipment Step 3 Turn the four M20 twistlocks in the base by 90 degrees to lock the equipment, and tighten the twistlocks using a torque wrench. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 49: Unpacking
Equipment doors Open and close each All NetCol8000-E doors NetCol8000-E door can be smoothly opened once. and closed. 3.5 Unpacking Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 50: Remove The Packaging
3.5.3 Checking the Nitrogen Pressure Procedure Step 1 Open the No. 2nd maintenance door. Step 2 Check whether any of the needle valve bonnets shown in Figure 3-13 is missing by turns. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 51: Grounding The Netcol8000-E
User Manual 3 Installation Guide If they do not exist, contact Huawei technical support. If they exist, remove each valve bonnet and use it to press the valve plugs in turn. If nitrogen is exhausted, the system is working properly. If no nitrogen is exhausted, contact Huawei technical support.
Page 52: Installing A Supply Air Duct
NetCol8000-E220 Modular Indirect Evaporative Cooling System User Manual 3 Installation Guide Figure 3-14 Grounding lug Figure 3-15 Grounding cable 3.7 Installing a Supply Air Duct Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 53 User Manual 3 Installation Guide Context The supply air duct is optional. Customers can purchase it from Huawei or prepare it by themselves. The following describes how to install a Huawei supply air duct. Procedure Step 1 Remove the pedal.
Page 54 Step 5 Secure the canvas sheet metal and canvas to the equipment using M6 screws. NO TICE Ensure that there is no air leakage on the contact between the equipment and the air duct. Otherwise, condensate water may occur. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 55 Step 6 Wrap the rubber plastic thermal insulation foam (at least 3 cm thick, covering the aluminum foil) for the canvas. Figure 3-20 Warping thermal insulation foam for the canvas Step 7 Use M12 screws to secure the air duct. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 56 NetCol8000-E220 Modular Indirect Evaporative Cooling System User Manual 3 Installation Guide Figure 3-21 Securing an air duct (indoor installation scene) Figure 3-22 Securing an air duct (outdoor installation scene) Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 57: Installing A Return Air Duct
(1) Flexible connection (canvas or other materials, (2) Hard connection (stainless steel, prepared onsite) prepared onsite) 3.9 Connecting Water Pipes The design and installation of the condensate water trap must meet the requirements shown in Figure 3-2. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 58 User Manual 3 Installation Guide Drainage Dimensions Figure 3-24 DN20 condensate drainpipe dimensions (unit: mm) (1) PPR external thread connector G (2) PPR equal-diameter (3) PPR pipe (Φ25 mm) (3/4 inch) elbow Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 59 Use DN20 PPR pipes or stainless steel pipes and connectors G with 3/4 inch external threads onsite to prepare water inlet pipes. If galvanized steel pipes are used, stainless steel connectors must be used to ensure sealing. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 60 3 cm. Sealing Remove the paper protective film from the sealing putty. Seal the gap between the water pipe and the equipment using sealing putty after the pipe is correctly connected. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 61 0°C). Figure 3-28 shows the anti-freezing solution for water refill pipes and drainpipes in low-temperature areas. Figure 3-28 Pipe anti-freezing solution (1) Trap (2) Electric heating belt Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 62: Optional) Vacuumizing
Step 1 Connect the pressure gauge and vacuum pump at two positions, for example, the low-pressure needle valve and liquid pipe needle valve, and start vacuumizing, as shown in Figure 3-30. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 63: Precharging Refrigerant
Preserve the pressure for 1 hour, and make sure the displayed pressure does not increase obviously. ----End 3.11 Precharging Refrigerant Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 64 (6) Low-pressure needle valve Step 2 Slightly open the refrigerant cylinder valve and loosen the connection nut of the pressure gauge. Tighten the nut when cold air escapes out of the nut. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 65: Connecting Cables
NO TICE If the R410A refrigerant is provided by Huawei, put the refrigerant steel vessel upside down when charging in the refrigerant. If the refrigerant is not provided by Huawei, check with the refrigerant provider whether the steel vessel has a siphon.
Page 66 Figure 3-32 NetCol8000 electrical port (1) Signal transfer (2) Crankcase heater relay (3) Neutral wire terminal terminals K3/K4, Water inlet motorized valve of spray water tank relay K5, Drain motorized valve relay Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 67: Connecting The Power Cable
Step 2 Connect one end of the primary and secondary power cables to the active power supply terminal/standby power supply terminal/PE terminal through the cable hole in the electric control box of the NetCol8000, and connect the other end to the PDF or UPS. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 68 4 is not detected. ----End Exception Handling ● Generally, only the active and standby power supplies are required. The following figures show the power supply systems. Figure 3-34 Power supply scenario 1 Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 69 If you need to connect the compressor cooling system to a third power supply, remove the jumper from the power supply terminal of the compressor cooling system and connect the power input to the power supply terminal of the compressor cooling system. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 70: Optional) Connecting The Signal Cables
Smoke sensor, remote startup and shutdown signal, and common alarm signal, water sensor and micro differential pressure sensor can be connected to the NetCol8000-E. The following operations use connecting a water sensor as an example. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 71 Port for remote startup 12 V+ and shutdown– Port 1+ for reporting common alarms Port 1– for reporting common alarms Port 2+ for reporting common alarms Port 2– for reporting common alarms Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 72: Teamwork Networking And Monitoring
CAN/northbound settings) RS485 port) (10) Alarm indicator (11) Run indicator Table 3-12 Indicator description Name Color Status Description Run indicator Green Blinking The device is in the state of startup. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 73: Connecting The Teamwork Network Cable
Step 2 Connect the CAN_OUT port of each smart cooling product to the CAN_IN port of the following smart cooling product using a CAN network cable, as shown in Figure 3-42. Figure 3-42 Connecting the CAN teamwork cable Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 74: Connecting The Monitoring Network Cable
Figure 3-44. After powering on the device, set the "RS485 monitoring grouping" of the last smart cooling product to "Enable". Setting path: Settings > Comm Settings > Modbus Settings. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 75 Step 1 Connect one end of the monitoring network cable (standard network cable) to the FE_1 port or FE_2 on the main control module, and connect the other end to the monitoring device. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 76: Optional) Connecting The T/H Sensor Outside The Cabinet
Procedure Step 1 Connect the T/H sensors outside the cabinet and the T/H sensors at the air return side in series. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 77 Table 3-13 DIP switch setting on a T/H sensor Locati Display Name Addr DIP Switch Sequence No. Return air 2 return temp/humid side Outdo Outdoor intake or side air 1 temp/ humid Cold Cold aisle 1 aisle temp/humid Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 78: Removing The Transport Fasteners And Protective Covers
Hot aisle 5 temp/humid NO TICE ● The default addresses of T/H sensors purchased from Huawei are 1. ● Keep the last RS485_R toggle switch at OFF. ● After the addresses are set, power on the device. On the display's home screen, choose Settings >...
Page 79 Step 6 Remove the air filter from the air vent on the outdoor side and take out two desiccant bags from the device. Figure 3-49 Position of the desiccants Step 7 Remove the elastic cord from the two floats. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 80 NetCol8000-E220 Modular Indirect Evaporative Cooling System User Manual 3 Installation Guide Figure 3-50 Removing the elastic cord Step 8 Remove the protective covers from the four air filters on the outdoor air intake side. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 81 ● Install air filters by referring to the direction instruction on the frame to ensure correct installation. Step 9 Open No. 3rd maintenance door, remove the four screws from the air filter, and remove the air filter. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 82: Verifying Installation
The foreign matter inside the cabinet such □ Passed □ as desiccants, cable ties, stubs, dust, iron Failed chips, copper wires, and aluminum chips are cleaned up. The fan is secured. □ Passed □ Failed Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 83 □ Passed □ according to the air flow direction on the Failed frame. Table 3-15 Electrical checklist Expected Result Actual Result Cables are intact and not over-bent. □ Passed □ Failed Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 84 Check that the needle valve plug is secured (torque of □ Passed □ 0.45±0.05 N m), and valve bonnet is tightened. Failed The pipes are not seriously bent. □ Passed □ Failed Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 85: Power-On And Commissioning
Step 1 Turn on the upstream power input switch of the device. The LCD lights up. Step 2 After the system is powered on for the first time, the Quick Settings screen is displayed. Log in as the admin user, as shown in Figure 4-1. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 86 Confirm with Huawei before modifying parameters that cannot be modified by operator users; otherwise, Huawei will not be liable for any consequences of the unauthorized modification. ● Only certified pros are allowed to modify the advanced parameters.
Page 87 Specifies the time zone Consistent with displayed on the ACC. the current interface time zone Settings > Quick Teamwork Set the assigned Settings > group No. teamwork control Teamwork number. Settings Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 88 1 to this group 32. The rest will become the standby ones. Rotation This function is Disable function recommended when the heat is even. Rotation 7 by default 7 day (s) period Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 89 Hot aisle This parameter can be Disable temperature enabled when there are and humidity at least two smart sharing cooling products in the group are configured with hot aisle T/H sensors. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 90 System Settings function leakage detection function. You are advised to set this parameter to Enable. Compressor The cooling function can Enable cooling be set to Enable or Enabled when active power. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 91 If a shutdown status is generated, the dry contact of common alarm 2 is open. ● When DO associated alarm is set to No, ports 1 and 2 for reporting common Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 92 If a temperature and Disable sensor 1–5 humidity sensor outside the cabinet is installed, Hot aisle Disable set the temperature and sensor 1–5 humidity sensor in the corresponding position to Enable. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 95: Initial Configuration
● This section describes how to enable Cold aisle sensor 1. Procedure Step 1 On the home screen, choose Settings > System Settings > T/H sensor. Figure 4-4 is displayed. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 96 ● When the application scenario is non-aisle containment, you are advised to choose Return air, and choose Cold aisle if the cold aisle T/H sensors are configured. ● Hot aisle is not recommended. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 97: Setting Communications Parameters
----End 4.4.2 Setting Communications Parameters 4.4.2.1 Setting Communications Parameters (Modbus RTU Protocol) Procedure Step 1 On the home screen, choose Settings > Comm Settings > Modbus Settings. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 98: Setting Communications Parameters (Modbus Tcp Protocol)
Step 1 On the home screen, choose Settings > Comm Settings > IP Settings. The IP assigning mode is set to Manual. Set IP address, Subnet mask, Gateway according to the actual plan. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 99 Step 4 When Client encryption is set to Enable, set NMS port number to 32907, when Client encryption is set to Disable, set NMS port number to 32906. NO TE The encryption mode must be the same as it on the NMS. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 100 Enter the actual IP address of the EMS. IP address addresses of the display panel, EMS client, and EMS server must be unique. This parameter is configurable when Link mode is set to Client. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 101: Setting Communications Parameters (Snmp Protocol)
Step 3 Set Read Community and Write Community. Tap the text box after Read Community, as shown in Figure 4-11. Set Read Community as planned, tap , and then tap Submit. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 102 MD5 and DES protocols are not secure. It is recommended that you set Auth Protocol to SHA, and set Prop Protocol to AES. The following operations use the recommended settings as an example. Figure 4-13 Setting the protocol type Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 103 Figure 4-15 Setting an AES password Tap Submit. Step 5 Tap the text box after SNMP Port, as shown in Figure 4-16. Set SNMP Port to the actual port number, tap , and then tap Submit. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 104 Export File under MIB File to export the MIB file to the USB flash drive for the customer's use in accessing a third-party EMS. Figure 4-18 shows successful file export. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 105: Optional) Setting Wifi Parameters
(the WiFi has no default password). Enable WiFi Enable the WiFi function. The default status is Disable. Step 3 Tap Submit. ----End Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 106: Setting Teamwork Control Parameters
CAN resistor, Teamwork function and Networking mode can be set on slave smart cooling products. Other parameters of the slave units will be modified by the master unit synchronously. Table 4-8 describes how to set the parameters. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 109 If forced forcible rotation on the rotation is required, the group before the function is set to Yes. specified rotation time. After a forced rotation, the accumulated time is recalculated. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 110 ● When the requirement control is Indoor fan unified control or Central load distribution, all smart cooling product fans in the group rotate at the same speed. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 111 Step 3 Complete the teamwork settings for all the smart cooling products by performing Step 1 Step Step 4 On the home screen of any teamwork controlled smart cooling product, tap If the teamwork control succeeds, the teamwork topology of the smart cooling Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 112 Frame: A device with green frame indicates the device itself, green/non- green as shown in A non-green frame indicates the other device in the group, as shown in Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 113 Check whether the number of online devices on the topology is the same as the actual device number. – If yes, the check is complete. – If no, check the cable connection and the settings of teamwork control parameters. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 114: Optional) Setting The System Power Limit Parameter
Step 1 On the home screen, choose Settings > System Settings > System Control. Step 2 Set Power limit function to Enable. Figure 4-21 Setting the power limit function parameter Step 3 Tap the text box next to System power limit. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 115 4 Power-on and Commissioning Figure 4-22 Setting the system power limit parameter Step 4 Set System power limit and click Figure 4-23 Setting the system power limit parameter Step 5 Tap Confirm. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 116: Startup
On/Off status on remote is on the status of on. Prerequisites Download the Service Expert app from Huawei app store and runs on Android. Apply for permission after downloading the app. Step 1 Tap Start on the home screen of the ACC.
Page 117 After factory settings are restored, re-verification for startup is required. Step 3 Tap StartUp on the home screen of the app and the screen shown in Figure 4-28 is displayed. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 118 Step 5 On the Offline Activation screen, enter Bar code and Verification code, which are available on the home screen of the ACC shown in Figure 4-25. Tap Generate PWD to generate a startup password. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 119: Charging The Remaining Refrigerant
EEV suction superheat degree is in a range listed in the following table. On the Diagnostic Mode screen, Change the input value for the compressor to 0 rpm. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 120: Wizard Startup
After you power on the smart cooling product for the first time, the screen displays the Wizard Startup screen. If the smart cooling product is not started for the first time, choose Maint > Wizard Startup to enter the Wizard Startup screen. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 121 If the remaining refrigerant is not charged, tap No. Complete refrigerant charging, and then perform the wizard commissioning. Figure 4-31 Checking before startup Step 3 Follow the onscreen instructions to complete the wizard startup. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 122: Optional) Power-Off
□ Passed □ Failed direction on the frame. No water stain exists on the water pan in the No. 2 door. □ Passed □ Failed All doors are closed. □ Passed □ Failed Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 123: Webui
Step 4.4. Otherwise, you will fail to access the ECC800. Open the Internet Explorer and choose Tools > Internet Options. Click the Advanced tab and select Use TLS1.1 and Use TLS1.2. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 124 Step 5 Log in to the WebUI of the smart cooling product. Enter https://IP address (such as IP address https://192.168.0.10) in the address box of the browser, and then press Enter to enter the WebUI login page. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 125: Webui Introduction
– An account is logged out due to timeout if no operation is performed within 10 minutes after system login. ----End 5.2 WebUI Introduction For data transmission security, the smart cooling product supports WebUI access through SSL. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 126 NetCol8000-E220 Modular Indirect Evaporative Cooling System User Manual 5 WebUI Figure 5-5 Home page Figure 5-6 WebUI menu hierarchy NO TE The actual menu hierarchy prevails. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 127 ● Query the version and e-labels. ● Query and export fault information. ● Manage users, for example, adding and deleting a user. ● Import and export configuration files to configure devices quickly. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 128: System Operation And Maintenance
Pay attention to the safety symbols on the equipment and all safety instructions in this document. The safety precautions given in this document do not cover all safety precautions. Huawei will not be liable for any consequence caused by violation of the safety operation regulations and design, production, and usage standards.
Page 129: Routine Maintenance
Check the sealing strip of the maintenance door and the flexible connector of the air duct. If there is any air leakage, replace them in time. ● It is recommended that the following maintenance items be performed once a year. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 130: Monthly Maintenance
● The return air filter cannot be cleaned with water. It is recommended that the air filter be replaced every six months. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 131 If the thermal insulation foam is damaged or missing, lay out new thermal insulation foam. The refrigerant pipe support Replace the refrigerant pipe is secure and intact. support and secure it again. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 132: Quarterly Maintenance
View the historical alarms generated in this quarter and select the most common five ones. (If no monitoring system is available, skip this item.) Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 133: Yearly Maintenance
Pump Enter the diagnostic mode, start Seal the pipes again. the water pump and check whether the water pump is leaking. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 134 Y-type Clean the air filter in the Y-type Replace the Y-type filter. filter filter periodically. Figure 6-1 Drain valve (1) Drain valve 1 (2) Drain valve 2 Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 135: Troubleshooting
● Great vibration occurs. ● The temperature rise of the motor is too high. ● One of the fans is faulty. Cut off the power supply during maintenance to ensure safety. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 136 The airflow direction Check the airflow direction (rotation caused is incorrect (the by airflow reversal). direction of the motor is opposite to that of the high- speed airflow). Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 137 Dangers Caused by Current ● Electrical components can only be operated by professional electricians or persons familiar with electricity, or under the supervision of an electrician. ● Comply with five electrical safety regulations. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 138 You can continue to use the smart cooling product only after you rectify the fault. Do not blindly continue to use the smart cooling product to prevent unpredictable losses. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 139 (the air duct is excessively short). The rotational speed is Adjust the voltage again. too high. The motor is burnt. The motor is overloaded. Balance the air volume and replace the motor. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 140 The compressor The exhaust fan speed Replace the fan speed discharge pressure is too controller fails. controller. low. The refrigerant is Charge more refrigerant. insufficient. Refrigerant leaks. Check the pipeline for leakage. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 141 Remove the air filter properly blocked. from the Y-shaped strainer in the shutdown mode, exhaust water from the pipe, and clean the air filter. (Use running water or high pressure water to clean it.) Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 142: Alarm Reference
1. The cables to the 1. Check the cables to temperature temperature sensor the temperature sensor fault are loose or sensor. damaged. 2. Maintain or replace 2. The temperature the temperature sensor is faulty. sensor. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 143 1. Check the cables to intake air 2 temperature sensor the temperature T/H sensor are loose or sensor. fault damaged. 2. Maintain or replace 2. The temperature the temperature sensor is faulty. sensor. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 144 6. The chilled water flow is insufficient, or the supply water temperature is high. 7. The chilled water valve is stuck or faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 145 3. The temperature the temperature and and humidity sensor humidity sensor. is faulty. 4. Maintain or replace 4. The the main control communications board. port of the main control board is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 146 3. The temperature the temperature and and humidity sensor humidity sensor. is faulty. 4. Maintain or replace 4. The the main control communications board. port of the main control board is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 147 3. The temperature the temperature and and humidity sensor humidity sensor. is faulty. 4. Maintain or replace 4. The the main control communications board. port of the main control board is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 148 3. The temperature the temperature and and humidity sensor humidity sensor. is faulty. 4. Maintain or replace 4. The the main control communications board. port of the main control board is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 149 3. The temperature the temperature and and humidity sensor humidity sensor. is faulty. 4. Maintain or replace 4. The the main control communications board. port of the main control board is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 150 8. Maintain or replace 7. The temperature the main control and humidity sensor board. is faulty. 8. The communications port of the main control board is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 151 3. The temperature the temperature and and humidity sensor humidity sensor. is faulty. 4. Maintain or replace 4. The the main control communications board. port of the main control board is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 152 A018 WARNI Indoor fan 4 The accumulated 1. Maintain or replace exceed runtime of the fan the fan, and clear the runtime exceeds the alarm accumulated runtime. alarm threshold. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 153 5. Check the cables to pressure switch is the differential blocked or pressure switch. disconnected. 5. The cables to the differential pressure switch are loose or damaged. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 155 2. The cables to the smoke sensor are 2. Check the cables to loose or damaged. the smoke sensor. 3. The smoke sensor 3. Maintain or replace is faulty. the smoke sensor. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 156 5. Maintain or replace connections are the indoor fan. faulty. 6. Measure the 5. The indoor fan is ambient temperature. faulty. 6. The ambient temperature is below the lower threshold. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 157 6. The chilled water flow is insufficient, or the supply water temperature is high. 7. The chilled water valve is stuck or faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 158 7. Maintain or replace different from the the chilled water valve. actual value. 6. The air filters are blocked. 7. The chilled water valve is stuck or faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 159 6. The chilled water flow is insufficient, or the supply water temperature is high. 7. The chilled water valve is stuck or faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 161 1. Check the cables to drive compressor drive the compressor drive. communicatio are loose or 2. Maintain or replace n failed alarm damaged. the compressor drive. 2. The compressor drive is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 162 MAJOR Exhaust fan 5 The fan is faulty. 1. Maintain or replace fault the fan. A077 MAJOR Exhaust fan 6 The fan is faulty. 1. Maintain or replace fault the fan. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 163 MAJOR Indoor fan 5 The fan is faulty. 1. Maintain or replace fault the fan. A077 MAJOR Indoor fan 6 The fan is faulty. 1. Maintain or replace fault the fan. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 164 MAJOR Exhaust fan 5 The fan is faulty. 1. Maintain or replace fault the fan. A077 MAJOR Exhaust fan 6 The fan is faulty. 1. Maintain or replace fault the fan. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 165 1. The ground cable 1. Check the ground fault to the fan is not cable connection to the connected properly. fan. 2. The fan is faulty. 2. Maintain or replace the fan. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 166 1. The compressor 1. Fill oil to the drive speed lacks oil. compressor. limit alarm 2. The refrigerant 2. Identify and repair leaks. the leaking point, and refill refrigerant after maintenance. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 167 7. Maintain or replace different from the the chilled water valve. actual value. 6. The air filters are blocked. 7. The chilled water valve is stuck or faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 168 7. Maintain or replace different from the the chilled water valve. actual value. 6. The air filters are blocked. 7. The chilled water valve is stuck or faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 169 3. The low humidity threshold. alarm threshold is 4. Calibrate or replace inappropriate. the temperature and 4. The value humidity sensors. detected by the temperature and humidity sensor is different from the actual value. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 170 1. Check the communicatio communications communications cable n failed cable to the fan is connection to the fan. not connected 2. Maintain or replace properly. the fan. 2. The fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 171 1. Check the communicatio communications communications cable n failure cable to the fan is connection to the fan. not connected 2. Maintain or replace properly. the fan. 2. The fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 172 1. Check cables to the suction suction temperature suction temperature temperature sensor are loose or sensor. sensor fault damaged. 2. Maintain or replace 2. The suction the suction temperature sensor temperature sensor. is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 173 1. Power on the device preheating preheating. after the compressor alarm has preheated. A184 WARNI Compressor 2 The compressor is 1. Power on the device preheating preheating. after the compressor alarm has preheated. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 174 2. The fan is faulty. the fan. A208 MAJOR Indoor fan 2 1. The fan blade is 1. Clear the blockage. blocked alarm stuck. 2. Maintain or replace 2. The fan is faulty. the fan. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 175 WARNI Wizard Wizard startup is in 1. Wait until wizard startup is in progress. startup is complete or progress clear the Wizard startup in progress alarm manually to exit wizard startup. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 176 1. The cable to the 1. Check the cable power supply fan is not connected connection to the fan. abnormal properly. 2. Maintain or replace 2. The fan is faulty. the fan. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 177 The fan is faulty. 1. Maintain or replace power supply the fan. abnormal A26B MAJOR Indoor fan 2 The fan is faulty. 1. Maintain or replace power supply the fan. abnormal Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 178 1. The cable to the 1. Check the cable power supply fan is not connected connection to the fan. abnormal properly. 2. Maintain or replace 2. The fan is faulty. the fan. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 179 1. The cable to the 1. Check the cable power supply fan is not connected connection to the fan. abnormal properly. 2. Maintain or replace 2. The fan is faulty. the fan. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 180 1. Check the control damper open to the air damper is cable connection to the fault loose or damaged. air damper. 2. The air damper is 2. Maintain or replace faulty. the air damper. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 185 The water overflow 1. While configuring overflow sensor detects the water overflow alarm water or the sensor sensor, check and clear is faulty. the water source, and maintain or replace the sensor. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 186 SPD loose or damaged. and voltage detection board. 3. The SPD and voltage detection 3. Replace the SPD and board is faulty. voltage detection board. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 187 SPD loose or damaged. and voltage detection board. 3. The SPD and voltage detection 3. Replace the SPD and board is faulty. voltage detection board. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 189 1. The power grid is 1. Check the power phase unstable. grid. sequence 2. The phase A 2. Rectify the fault of abnormal input cable is faulty. the phase A input cable. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 190 1. The power grid is 1. Check the power phase unstable. grid. sequence 2. The phase C 2. Rectify the fault of abnormal input cable is faulty. the phase C input cable. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 191 9. Maintain or replace 7. Cables to the the exhaust fan. indoor or outdoor fan are not properly connected. 8. The outdoor fan or its drive is faulty. 9. The exhaust fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 192 9. Maintain or replace 7. Cables to the the exhaust fan. indoor or outdoor fan are not properly connected. 8. The outdoor fan or its drive is faulty. 9. The exhaust fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 193 9. Maintain or replace 7. Cables to the the exhaust fan. indoor or outdoor fan are not properly connected. 8. The outdoor fan or its drive is faulty. 9. The exhaust fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 194 9. Maintain or replace 7. Cables to the the exhaust fan. indoor or outdoor fan are not properly connected. 8. The outdoor fan or its drive is faulty. 9. The exhaust fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 195 7. Maintain or replace 5. The pressure the exhaust fan. displayed is different from the actual pressure. 6. The refrigerant is overfilled. 7. The exhaust fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 196 7. Maintain or replace 5. The pressure the exhaust fan. displayed is different from the actual pressure. 6. The refrigerant is overfilled. 7. The exhaust fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 197 7. Maintain or replace 5. The pressure the exhaust fan. displayed is different from the actual pressure. 6. The refrigerant is overfilled. 7. The exhaust fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 198 7. Maintain or replace 5. The pressure the exhaust fan. displayed is different from the actual pressure. 6. The refrigerant is overfilled. 7. The exhaust fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 199 8. Maintain or replace 6. The high pressure the exhaust fan. switch is faulty. 7. The refrigerant is overfilled. 8. The exhaust fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 200 8. Maintain or replace 6. The high pressure the exhaust fan. switch is faulty. 7. The refrigerant is overfilled. 8. The exhaust fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 201 8. Maintain or replace 6. The high pressure the exhaust fan. switch is faulty. 7. The refrigerant is overfilled. 8. The exhaust fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 202 8. Maintain or replace 6. The high pressure the exhaust fan. switch is faulty. 7. The refrigerant is overfilled. 8. The exhaust fan is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 203 5. Maintain or replace connections are the indoor fan. faulty. 6. Measure the 5. The indoor fan is ambient temperature. faulty. 6. The ambient temperature is below the lower threshold. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 204 5. Maintain or replace connections are the indoor fan. faulty. 6. Measure the 5. The indoor fan is ambient temperature. faulty. 6. The ambient temperature is below the lower threshold. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 205 5. Replace the drive exchange effect is module. poor. 4. The electric control box cavity is dirty or blocked, and the module heat exchange effect is poor. 5. The drive module is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 206 3. The primary 3. Check the primary power supply is power supply and the faulty or the cables cable connection to the to the compressor compressor drive. drive are loose or damaged. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 207 1. Check the cables to drive power phase V of the the compressor drive. supply compressor drive 2. Maintain or replace abnormal are loose or the compressor drive. damaged. 2. The compressor drive is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 208 3. The outdoor fan the outdoor fan. is abnormal. 4. Decrease certain 4. The refrigerant is amount of refrigerant. overfilled. 5. Maintain or replace 5. The compressor is the compressor. faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 209 3. Check and maintain faulty. the cables to the EEV 3. The cables to the coil. electronic expansion 4. Replace the EEV. valve coil are loose or damaged. 4. The EEV is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 210 1. Clear the spray overflow overflow pipe is overflow pipe. alarm dirty or blocked. 2. Maintain the spray 2. The float does high float. not drop because the spray high float is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 211 4. The cable to the 5. Replace the spray spray water supply water supply solenoid solenoid valve is not valve. connected properly. 5. The spray water supply solenoid valve is faulty. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 212 A307 WARNI Spray water The accumulated 1. Replace the pump pump 1 runtime the spray and clear the exceed pump exceeds the accumulated runtime. runtime alarm threshold. alarm Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 213 1. The 1. Apply for a new expired corresponding certificate promptly certificate has and update the expired. existing one. 2. The system time 2. Calibrate the system is incorrectly set. time. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 214: Parts Replacement
● The air filter needs to be replaced. ● Spare air filters of the same model are available and functional. Context The return air filter is maintained from the maintenance door. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 215: Replacing The Fan
Step 6 On the LCD home screen, choose Maint > Performance Maint, and clear the air filter runtime. Step 7 Power on the device and tap Startup on the home screen. Ensure that the device is running normally without any alarms. ----End 6.5.2 Replacing the Fan Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 216 Step 3 Cut the cable tie that binds the cable connected to the faulty fan, and remove the fan terminal. Step 4 Remove screws from the fan support. Figure 6-4 Removing the screws from the fan support Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 217 Then exit from the diagnostic mode. Step 11 Power on the device. On the LCD home screen, choose Maint > Performance Maint and clear the indoor fan runtime. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 218: Replacing The Differential Pressure Switch
Step 2 Open the no. 3rd maintenance door. Step 3 Enter the device. Step 4 Remove the pressure inlet tube, as shown by (1) in Figure 6-6. Figure 6-6 Removing the differential pressure switch Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 219: Replacing The Compressor
Recommended materials: Phillips screwdriver, two 45# adjustable wrenches, 45# and 50# torque wrenches, 13# and 30# solid wrenches or socket wrenches, new compressor, dryer filter, refrigerant reclaiming devices, refrigerant charging devices, R410A refrigerant Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 220 (1) in Figure Removing a compressor angle valve, using two 30# adjustable wrenches respectively. Then loosen the adjustable nut using a 36# adjustable wrench to separate the pipe from the angle valve. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 221 Step 8 Secure the compressor bracket to the cabinet interior using a 13# socket wrench. Step 9 Install the electric heating belt and compressor ground cable, remove the connection box cover, and reinstall the cover after the compressor cables are connected. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 222: Replacing The Driver
Step 3 Remove all cables from the driver and cut the cable ties using diagonal pliers. Step 4 Remove cables. Step 5 Remove the four screws on the driver using a Phillips screwdriver, and pull out the driver. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 223: Replacing The Float
The float needs to be replaced. ● A spare float of the same model is available and functional. ● Tools: solid wrench Context The float is maintained from the outdoor air intake vent. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 224 Exercise caution because the device is still energized after it is shut down on the controller home screen. Step 2 Open the no.2nd maintenance door and enter the device. Step 3 Cut the cable tie securing the float and remove the terminal. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 225: Replacing The Pump
6.5.7 Replacing the Pump Prerequisites ● The pump needs to be replaced. ● A spare humidifier pump of the same model is available and functional. ● Tools: flat-head screwdriver, Phillips screwdriver, socket wrench Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 226 Step 4 Install a new spray pump on the device, install the flange assembly at the inlet and outlet of the water pump, and close the maintenance door. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 227: Replacing The Switch
Step 8 Power on the device and tap Startup on the home screen. Ensure that the device is running normally without any alarms. ----End 6.5.9 Replacing the Contactor Prerequisites ● The AC contactor (Figure 3-32 shows the position of AC contactor) needs to be replaced. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 228: Replacing The Spd
Step 3 Remove the cables from the faulty SPD, remove the end fastener from the end of the faulty SPD on the guide rail, unclamp the buckle of the SPD, and remove the SPD. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 229: Replacing The Relay
Prerequisites ● The fuse (Figure 3-32 shows the position of fuse) needs to be replaced. ● A spare fuse of the same model is available and functional. ● Tool: flat-head screwdriver Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 230: Replacing The Thermorelay
Step 4 Install the new relay on the contactor, tighten the screws, and install the cables. Step 5 Close the door of the electric control box. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 231: Replacing The T/H Sensor
Step 5 Install a new T/H sensor and reconnect the cable. Step 6 Power on the device and tap Startup on the home screen. Ensure that the device is running normally without any alarms. ----End Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 233: Querying Logs
When querying component status through Device Details (using the T/H sensor as an example), choose Running > Device Details > T/H Sensor on the home screen to query the status of the T/H Sensor. ----End Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 234: Querying System Parameters
----End 7.1.7 How to View Teamwork Control Information Context Silencing the buzzer: After the buzzer is silenced, it does not buzz when a new alarm is generated. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 235: How Can I Handle Active Alarms
Step 2 Click each alarm to open the Details page, which contains Name, Generated, Severity, Location, Cause ID, Code, Possible Causes and Procedure for the alarm. Figure 7-3 Details Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 236: Deleting Historical Alarms
Exercise caution when deleting all historical alarms. Because this operation may cause clearance of all historical alarms and affects device maintenance. Procedure Step 1 On the home screen, choose Alarms > Delete Hist Alarms. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 237: Deleting Logs
Otherwise the component may run overtime and degrade performance. Procedure Step 1 On the home screen, choose Maint > Performance Maint. Step 2 Tap Clear of a specific performance parameter to clear its runtime. ----End Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 238: Calibrating A Sensor
Step 2 Tap Password to enter the password changing screen, as shown in Figure 7-6. NO TE It is recommended that the password should contain at least two types of characters. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 239: How To Set Alarm Parameters
Supply air high temperature alarm threshold + 5°C ≤ Hot aisle high temperature alarm threshold ● Cold aisle high temperature alarm threshold + 5°C ≤ Hot aisle high temperature alarm threshold Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 240 Step 2 Tap Threshold following Supply air high temperature alarm. Step 3 Set the value to 45 and tap , as shown in Figure 7-8. Figure 7-8 Setting alarm parameter 2 ----End Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 241: How To Commission Single Component
After choosing Settings > Restore Defaults > Comfirm, the following parameters are displayed: ● All parameters displayed on Settings > System Settings. ● All parameters displayed on Settings > Alarm Settings. ● All parameters displayed on Settings > Comm Settings. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 242: Exporting Data
● If the USB flash drive is not properly connected, the system will display No USB device found. during operations about the USB flash drive. Procedure Step 1 Tap Maint > USB Operations > Export to enter the Select Path screen, as shown Figure 7-9. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 243: How To Export And Import A Configuration File
2. Procedure Step 1 Tap Maint > USB Operations > Export on the screen of smart cooling product 1 to enter the Select Path screen, as shown in Figure 7-11. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 244 Step 5 Tap Maint > USB Operations > Import Config on the screen of smart cooling product 2, as shown in Figure 7-13. Figure 7-13 Select file Step 6 Select the file that needs to be imported and tap Next, as shown in Figure 7-14. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 245 Figure 7-15 Data process 1 Figure 7-16 Data process 2 Step 8 After the file is imported successfully, Figure 7-17 is displayed. Then tap Finish. Figure 7-17 Importing the file successfully Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 246: How To Import A Certificate And A Key
Step 4 Select the CA certificate file to be imported. Step 5 Upload the local certificate file and the key file in turn in the same way. Step 6 Enter Key password and Confirm key password. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 247: Webui Operations
Choose Maintenance > User Management. The user management page is displayed. Choose the admin user and click Modify. Reset the login password on the displayed page and tap Confirm. Figure 7-19 Changing the login password Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 248: How To Install A Network Security Certificate
Step 2 Upload a network security certificate. Choose System Settings > Network Security Cert. Select a certificate format from the drop-down list box. Click Browse on the right of Please select a security certificate. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 249: How Can I View Active Alarms And Historical Alarms
Step 3 Export a configuration file. (Optional) Specify Configuration File Encryption Password. NO TE Record the password for importing a configuration file. Click Back Up Current Settings. Step 4 Import a configuration file. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 250: How Can I Export Fault Information
7.2.6 How Can I Change the Smart Cooling Product IP Address on the WebUI Context You have obtained the IP address, subnet mask, and default gateway information planned for the smart cooling product. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 251: How Can I View Version Information
Step 3 Choose Maintenance > Version Information and view the version information, software version, and BSP version. ----End Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 252: A Cleaning The Netcol8000-E
Clear dust, rain marks, or stains on the outer panels of NetCol8000-E using a long-handled soft brush dipped with alkaline or neutral detergent. Wash the NetCol8000-E with clean water. NO TE It is recommended that you clean the NetCol8000-E once every quarter. ----End Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 253: B Netcol8000-E Repainting
NO TE Check the damage to the NetCol8000-E paint and prepare appropriate tools and materials. The number of materials depends on site requirements. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 254 60 minutes before performing any further operation. LOGO and pattern Seek help from Huawei headquarters for a detailed damage painting solution. Frontline personnel can turn to local advertisement coating suppliers. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 255 Figure B-2 Wiping a polished or damaged area using anhydrous alcohol Step 3 Paint one layer of zinc-rich primer on the damaged coat using a brush or painting Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 257 Cooling System User Manual B NetCol8000-E Repainting Figure B-5 Repainting using a brush Figure B-6 Repainting using a painting gun ----End Follow-up Procedure Check whether the surface meets the requirement after repainting. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 258: C Parameter Description
LCD backlight turns off. Settings > IP assigning Specifies the way of Manual Comm mode allocating IP addresses for Settings > IP smart cooling products. Settings Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 259 The EMS communicates with the smart cooling product through this address, and the communication addresses of two smart cooling products connecting to the same EMS must be unique. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 260 Client encryption This parameter is Enable configurable when Link mode is set to Client. Server This parameter is Disable encryption configurable when Link mode is set to Server. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 261 Cold aisle low Specifies the alarm 10.0 ºC temperature threshold for a certain alarm alarm. Hot aisle high Specifies the alarm 45.0 ºC temperature threshold for a certain alarm alarm. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 262 Enable failure alarm reported to the EMS. The LCD displays active alarms and the system implements related protection actions. ● Disable: Alarms are not reported and no protection actions are implemented. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 263 Enable failure alarm reported to the EMS. The LCD displays active alarms and the system implements related protection actions. ● Disable: Alarms are not reported and no protection actions are implemented. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 264 ● Disable: Alarms are not abnormal alarm reported and no protection actions are implemented. Settings > Alarm Settings > Spray system Settings > Alarm Settings > Exhaust fan Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 265 Cold aisle sensor The sensors in cold aisles Disable can be set to Enable or Disable. Hot aisle sensor The sensors in hot aisles Disable can be set to Enable or Disable. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 266 Power saving mode set to Power saving mode, mode the indoor fan runs in noise reduction mode; When Economical mode is set to Disabled, the indoor fan runs in normal mode. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 267 Cold air temp to Specifies the temperature 27.0 ºC forcibly start threshold for forcibly cooling starting the cooling composition when the cold air temperature is higher than the threshold. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 268 Select Primary power first Primary power supply setting or Primary power only. first Set this parameter as required. Power limit Select Enable or Disable. Disable function The default value is recommended. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 269 Enable or Disable. Hot aisle sensor The sensors in hot aisles Disable can be set to Enable or Disable. Settings > Collaborative Choose between Alternative System working mode Alternative and Synchronized control. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 270 Spray water Specifies the renewal 168 h renewal period period for the spray water. Settings > Min exhaust fan Specifies the minimum System speed speed for the exhaust fan. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 271 Choose between CAN CAN network mode network and MAC_CAN network. Settings > Smart diagnosis The smart diagnosis Disable Quick function function can be set to Settings > Enable or Disable. System Settings Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 272 Return air, or Supply air Settings > type can be set as required. The T/H sensor temperature and humidity set points correspond to the selected control type can be set. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 273 Maint > Indoor fan total Total runtime for each Performance runtime component. Maint Return air filter total runtime Outdoor intake air filter total running time Compressor total runtime EEV total runtime Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 274 Compressor 0.00 MPa discharge pressure calibration value Compressor 0.00 MPa suction pressure calibration value Compressor 0.0 ºC discharge temperature calibration value Compressor 0.0 ºC suction temperature calibration value Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 275 NetCol8000-E220 Modular Indirect Evaporative Cooling System User Manual C Parameter Description Menu Name Description Default Value Compressor 0.0 ºC liquid pipe temperature calibration value Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 276: D Maximum Water Consumption
Table D-1 Maximum water consumption City Maximum Water Consumption Per Equipment (L/h) Beijing Harbin Changchun Shijiazhuang Xining Urumqi 1180 Lanzhou Xi'an Zhengzhou Jinan Nanjing Shanghai Chengdu Guiyang Kunming Guangzhou Nanchang Nanjing Nanning Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 277 ● Water consumed by upstream water processing equipment has been considered when the maximum water consumption is determined. ● The preceding table is for reference only. You need to check the local weather parameters when designing specific solution. Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 278: E Cooling Component Layout
(10) Liquid pipe needle valve (11) Liquid pipe temperature (12) Filter sensor (13) Electronic expansion valve (14) Low-pressure needle valve (15) Indoor fan (16) Gas-Liquid Separator (17) Low pressure sensor (18) Suction temperature sensor Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.
Page 285: G Acronyms And Abbreviations
RCCB residual current circuit breaker residual current circuit breaker thin film transistor thin film transistor Universal Serial Bus Universal Serial Bus Issue 06 (2020-08-19) Copyright © Huawei Technologies Co., Ltd.

Huawei NetCol8000-E220 User Manual

About this Document

1 Safety Information

2 Product Description

3 Installation Guide

4 Power-On and Commissioning

5 Webui

6 System Operation and Maintenance

7 Faq

A Cleaning the Netcol8000-E

B Netcol8000-E Repainting

C Parameter Description

D Maximum Water Consumption

E Cooling Component Layout

F Electric Diagram

G Acronyms and Abbreviations

Quick Links

Related Manuals for Huawei NetCol8000-E220

Summary of Contents for Huawei NetCol8000-E220

Table of Contents