Page 1 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual Issue Date 2021-04-15 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 3: About This Document
Indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury. Indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 4 Added the content about maintenance for the precooling module and exhaust fan. Added 3.5 Installing an Air Deflector 4.5 Installing an Air Deflector. Issue 01 (2021-01-30) This issue is used for first office application (FOA). Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 5: Table Of Contents
3.2.2 Water Refill Pipe and Drainpipe........................... 34 3.2.3 Pipe Support..................................35 3.2.4 Cable...................................... 36 3.3 Installing a FusionCol8000-E............................37 3.3.1 Unpacking and Checking..............................37 3.3.2 Securing a Smart Cooling Product..........................37 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 6 4.4 Installing Cables..................................81 4.4.1 Precautions..................................81 4.4.2 (Optional) Installing Signal Cables..........................82 4.4.3 Cable Routes..................................84 4.4.4 (Optional) Installing Teamwork and Monitoring Communications Cables..........84 4.4.4.1 Preparing a Network Cable............................84 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 7 8.2.3 Yearly Maintenance................................ 138 8.3 Troubleshooting.................................. 139 8.4 Alarm Reference..................................145 8.5 Component Replacement..............................186 8.5.1 Component Position (Building Scenario)........................187 8.5.2 Component Position (FDC Scenario)........................188 8.5.3 Replacing an Air Filter (Building Scenario)......................188 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 8 9.1.7 How Do I Check Teamwork Control Information?....................236 9.1.8 How Do I Mute or Silence a Buzzer?........................236 9.1.9 How Do I Handle Alarms?............................236 9.1.10 How Do I Clear Component Runtime?........................237 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 9 G.3 Physical Ports of Cables..............................284 H Physical Ports (FDC Scenario)..................287 H.1 Physical Ports of Air Vents.............................. 287 H.2 Physical Ports of Pipes..............................290 H.3 Physical Ports of Cables..............................292 I Acronyms and Abbreviations.....................295 Issue 02 (2021-04-15) 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 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 12 Do not change the structure or installation sequence of equipment without permission. ● Do not touch a running fan with your fingers, components, screws, tools, or boards before the fan is powered off or stops running. Issue 02 (2021-04-15) 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 0°C. Handle cables with caution, especially at a low temperature. – Cables stored at subzero temperatures must be stored at room temperature for at least 24 hours before they are laid out. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 15: Installation Environment Requirements
Install the equipment in an area far away from liquids. Do not install it under areas prone to condensation, such as under water pipes and air exhaust vents, or areas prone to water leakage, such as air conditioner vents, ventilation Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 16 Any violations must be promptly pointed out by the site manager or safety supervisor and the involved personnel should be prompted for correction. Personnel who fail to stop violations will be forbidden from working. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 17: Mechanical Safety
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 02 (2021-04-15) 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 02 (2021-04-15) 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 02 (2021-04-15) 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 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 21: Product Description
8000: modular indirect evaporative cooling system Cooling mode E: indirect evaporative cooling Model code 240: model code 240 Air supply mode H: horizontal flow Power supply 4: 380–415 V, three-phase, 50/60 Hz 2.2 Product Composition Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 22: Product Introduction (Building Scenario)
(3) Maintenance door (4) Maintenance door vent (end) vent (end) (5) Electric control box (6) Outdoor air (7) Indoor air return (8) Outdoor air intake exhaust vent (end) vent (top) vent (side) Figure 2-3 Components (interior) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 23 The condenser adopts the flow design with a low wind resistance. Exhaust ● A Huawei-developed high-speed fan is used, which features large air volume, high static pressure, high reliability, and a long service life. ● The fan is separated from the drive. The fan efficiency is improved by more than 8% compared with a common EC fan.
Page 24 User Manual 2 Product Description Item Description ● A Huawei-developed high-speed fan is used, which supply features large air volume, high static pressure, high reliability, and a long service life. ● The fan is separated from the drive. The fan efficiency is improved by more than 8% compared with a common EC fan.
Page 25: Product Introduction (Fdc Scenario)
(8) Outdoor air exhaust vent (end) exhaust vent (top) (9) Indoor air return vent (side) NO TE The outdoor air exhaust vent is selected based on the actual situation. Figure 2-5 Components (interior) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 26 The condenser adopts the flow design with a low wind resistance. Exhaust ● A Huawei-developed high-speed fan is used, which features large air volume, high static pressure, high reliability, and a long service life. ● The fan is separated from the drive. The fan efficiency is improved by more than 8% compared with a common EC fan.
Page 27 2 Product Description Name Description Air supply ● A Huawei-developed high-speed fan is used, which features large air volume, high static pressure, high reliability, and a long service life. ● The fan is separated from the drive. The fan efficiency is improved by more than 8% compared with a common EC fan.
Page 28: Display Module
(3) DP port (display port), connected to the (4) SW (reserved) main control module Table 2-1 Indicator and buzzer status description Indicator Buzzer Running Status Green No buzzing The device is operating properly, or there is a warning. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 29 ● Independent teamwork control: If a communications cable in the teamwork network is disconnected, two teamwork networks are formed. A device in the network without a master unit can automatically become the master unit to continue teamwork control. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 30 Remote Users can monitor and manage one or more devices using the management remote management function provided by Huawei. Storage ● A large number of fault alarm records can be stored. Alarms can be managed by severity. A maximum of 500 historical alarms can be stored for each severity.
Page 31: Main Control Module
CAN_IN and CAN_OUT ports: connect CAN teamwork and RS485 monitoring cascading communications cables. ● RS485/12V port: connects a temperature and humidity (T/H) sensor. ● COM/FE port: connects a monitoring communications cable. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 32 Service Expert app. Obtain the initial startup password during deployment. View or obtain running information about the smart cooling product during inspection. 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 33: Operating Environment Specifications
3000 3500 4000 Air volume 0.887 0.835 0.78 0.737 0.692 0.649 0.608 coefficient Cooling 0.887 0.835 0.78 0.737 0.692 0.649 0.608 capacity coefficient Note: The sensible heat ratio is always 100%. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 34 (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. Issue 02 (2021-04-15)
Page 35: Technical Specifications
Air filter level on the outdoor air intake side (EN 779) Fan type Air volume Indoor: 55,000 m Outdoor: 50,000 m Net weight 5000 kg 11,000 kg Operating weight 5500 kg 11,500 kg Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 36: Working Modes
Status 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 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 37 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual 2 Product Description Figure 2-8 Dry mode Figure 2-9 Wet mode Figure 2-10 Dry mode + auxiliary cooling mode Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 38 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual 2 Product Description Figure 2-11 Wet mode + auxiliary cooling mode Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 39: System Installation (Building Scenario)
(AHU). You need to strictly follow the heating, ventilating, and air conditioning (HVAC) construction requirements. To ensure proper operation of the unit, protect it against dust, dirt, corrosive gas, and high humidity. Do not use the indoor unit in open air. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 40: Maintenance Space
(1) Wall (2) Indoor air supply vent (3) Electric control box (end) Figure 3-2 Maintenance space (combined) (unit: mm) (1) Wall (2) Indoor air supply vent (3) Electric control box (end) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 41: Storage
Standard configuration. This Pay attention to the type and material type of materials is provided quantity of materials in the by Huawei, and you can find packing list. them in the fittings delivered with the equipment. Auxiliary Customers can purchase this...
Page 42 (optional) ESD gloves Wire strippers Needle-nose Diagonal pliers pliers Pliers Flashlight Measuring tape Step ladder Marker Insulation tape Hammer drill Diesel forklift Manual pallet Lifting rope Rubber hose Alcohol truck Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 43: Water Refill Pipe And Drainpipe
Condensate G 3/4 inch DN25 Rigid pipe (made of specificati water pan external PP-R, C-PVC, or ons are drainpipe of thread other materials) determine connector d based evaporator engineerin g survey. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 44: Pipe Support
● The height of the U-shaped pipe clamp is 5 mm less than the pipe diameter (including the thermal insulation foam). ● Install a support every 2500 mm for the straight sections of pipes, and 1000 mm away from each bending point in turning sections. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 45: Cable
● The cables are routed over a tray or bracket in a single layer. The distance between cables must comply with local regulations. ● The AC voltage loss is less than 3%. ● Single- or multi-core 90°C-resistant copper flexible cables are used. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 46: Installing A Fusioncol8000-E
3.3.2 Securing a Smart Cooling Product Prerequisites NO TICE The evenness of concrete platforms is critical to device installation. Ensure that the height (altitude) difference between platforms does not exceed 5 mm. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 47 Materials: device to be hoisted, expansion bolt, angle steel bracket Procedure Step 1 Prepare concrete platforms. Figure 3-4 Concrete platforms for a single unit (unit: mm) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 48 NO TICE When hoisting a device, ensure that the four corner fittings of the device are aligned with the marked mounting positions for corner fittings on the concrete platforms. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 49 Step 6 Install the equipotential ground cable or ground lug. ● Ground lug (engineering procurement): Use hot-dip zinc-coated flat steel sheet with a cross-sectional area of 40 mm x 4 mm. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 50 Figure 3-8 Installing the ground cable or ground lug (1) Ground cable (2) Ground lug ----End Follow-up Procedure After the device is hoisted and installed, verify the installation to ensure normal use of products and smooth subsequent installation. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 51: Checking The Refrigerant
Figure 3-9 is missing. If any bonnet is missing, contact Huawei technical support. If no bonnet is missing, remove the valve bonnets, and press the valve plugs using the valve bonnets in turn. If gas flows out, the system is normal. If no gas flows out, contact Huawei technical support.
Page 52: Installing An Air Duct
● The joint between the air duct and the unit should be sealed to prevent air leakage. Generally, the sealing cotton is pressed inside the flange of the air duct or sealant is applied to the flange after installation. ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 53: Installing Water Pipes
(Use two pipe pliers or chain pliers to connect pipes.) Water pipes need to be prepared onsite. If galvanized steel pipes are used, stainless steel connectors must be used to ensure sealing. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 54 ● Remove the sheet metal for drainpipes. ● Install the drainpipe. Figure 3-13 Installing the drainpipe Step 2 Install the floor drain drainpipe. Figure 3-14 Installing the drainpipe Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 55 Wrap the pipes starting from the water refill and drainage ports to the frozen soil layer with an electric heating belt. Bury the remaining pipes underground (the temperature at a specific depth underground is always above 0°C). Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 56: Removing Transport Fasteners And Desiccant Bags
Step 1 Remove the maintenance door of the compressor and take out the desiccant bags from the compressor. Step 2 Open the electric control box and take out the desiccant bag from the box. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 57: Installing Cables
Before connecting cables, use a multimeter to measure the input voltage and ensure that the power supply is disconnected. ● All smart cooling products must be securely grounded before being powered Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 58: Cable Routes
The device can be connected to a smoke sensor, remote startup/shutdown signal, public alarm signal, and water sensor. The following describes how to connect a water sensor. Context Figure 3-20 Signal cable terminal (using X501 as an example) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 59 Step 3 Connect the signal cable to X502 terminals 1 and 2. NO TICE If a water sensor (rope-type) is to be connected, connect the signal cable to terminals X201 and X202. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 60: Optional) Installing Teamwork And Monitoring Communications Cables
ELV cable tray, to reduce the impact of electromagnetic interference on teamwork communication. Otherwise, teamwork networking may fail. 3.4.4.1 Preparing a Network Cable Step 1 Crimp a network cable. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 61: Can Teamwork + Rs485 Monitoring
(8) Brown Figure 3-23 RS485 monitoring communications cable (4) Blue (5) White-and-blue ----End 3.4.4.2 CAN Teamwork + RS485 Monitoring Step 1 Connect teamwork and monitoring communications cables. Networking Teamwork Monitoring Protocol Modbus-RTU Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 62 ● Connect the COM/FE port on the main control module of the last smart cooling product in each group to the RS485 port on the host. ● Customers can purchase Huawei's ECC and NetEco for the monitoring system. Figure 3-24 Connecting communications cables...
Page 63: Can Teamwork + Fe Monitoring
Enable teamwork CAN resistor to Yes. NO TE Customers can purchase Huawei's switch and NetEco for the monitoring system. Figure 3-25 Connecting communications cables ----End 3.4.4.4 FE Teamwork + RS485 Monitoring Step 1 Connect teamwork and monitoring communications cables.
Page 64 ● Connect the COM/FE port on the main control module of the last smart cooling product in each group to the RS485 port on the host. ● Customers can purchase Huawei's ECC and NetEco for the monitoring system. Figure 3-26 Connecting communications cables...
Page 65: Fe Teamwork + Fe Monitoring
Note One teamwork network supports a maximum of 16 smart cooling products. NO TE Customers can purchase Huawei's switch and NetEco for the monitoring system. Figure 3-27 Connecting communications cables ----End 3.4.5 Installing Power Cables Procedure Step 1 Route power cables through the external cable holes.
Page 66: Installing An Air Deflector
Figure 3-29 Filling the hole with sealing putty (1) Paper protective film (2) Sealing putty (standard configuration) ----End 3.5 Installing an Air Deflector Procedure Step 1 Assemble an air deflector. Figure 3-30 Assembling an air deflector Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 67 Figure 3-32 Installing an air deflector Step 3 (Optional) If an air damper is configured, install the assembled air deflector on the air damper. Figure 3-33 Installing an air deflector ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 68: Optional) Installing T/H Sensors Outside A Cabinet And Cables
Step 3 Set DIP switches of the T/H sensors. Table 3-9 DIP switch settings on T/H sensors Locatio Display Name Addre DIP Switch No. Return air 2 temp/ return humid side Outdoor Outdoor intake air intake 1 temp/humid Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 69 Settings > T/H sensor on the home screen of the display module, and set the sensors in the aisles corresponding to the addresses to Enable. Otherwise, the sensors will not work. ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 70: Optional) Installing Motorized Dampers And Cables
Step 3 Connect the air damper cable terminal and air damper actuator terminal. Figure 3-34 Terminal connection ----End 3.8 (Optional) Installing Electric Heater Components and Cables Electric heater components include the electric heating belt, temperature sensor probe, transformer, and electric heater controller. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 71 Step 2 Install a transformer. Install the transformer in the correct position in the PDF and secure it using screws. Figure 3-35 Transformer position Step 3 Install the electric heater controller. Figure 3-36 Installing the electric heater controller (1) Electric heater controller (2) Sheet metal Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 72 Step 8 Press the SET button on the electric heater controller for 2s. Within 10s, press to set the parameter to 5°C, and press the SET button to save the setting. ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 73: System Installation (Fdc Scenario)
(AHU). You need to strictly follow the heating, ventilating, and air conditioning (HVAC) construction requirements. To ensure proper operation of the unit, protect it against dust, dirt, corrosive gas, and high humidity. Do not use the indoor unit in open air. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 74: Maintenance Space
(3) Electric control box (4) Corridor module Figure 4-2 Maintenance space (combined) (unit: mm) (1) Wall (2) Side of the indoor air return vent (end) (3) Electric control box (4) Corridor module Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 75: Storage
Standard configuration. This Pay attention to the type and material type of materials is provided quantity of materials in the by Huawei, and you can find packing list. them in the fittings delivered with the equipment. Auxiliary Customers can purchase this...
Page 76 (optional) ESD gloves Wire strippers Needle-nose Diagonal pliers pliers Pliers Flashlight Measuring tape Step ladder Marker Insulation tape Hammer drill Diesel forklift Manual pallet Lifting rope Rubber hose Alcohol truck Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 77: Water Refill Pipe And Drainpipe
Condensate G 3/4 inch DN25 Rigid pipe (made of specificati water pan external PP-R, C-PVC, or ons are drainpipe of thread other materials) determine connector d based evaporator engineerin g survey. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 78: Pipe Support
● The height of the U-shaped pipe clamp is 5 mm less than the pipe diameter (including the thermal insulation foam). ● Install a support every 2500 mm for the straight sections of pipes, and 1000 mm away from each bending point in turning sections. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 79: Cable
● The cables are routed over a tray or bracket in a single layer. The distance between cables must comply with local regulations. ● The AC voltage loss is less than 3%. ● Single- or multi-core 90°C-resistant copper flexible cables are used. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 80: Installing A Fusioncol8000-E
Step 2 Remove the plastic packaging materials. Step 3 Check the types and quantity of fittings according to the fitting list. If any fitting is missing, contact Huawei technical support. ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 81: Securing Devices
Step 1 Connect the hoisting ropes and hoist the equipment to the installation area. NO TE It is recommended that a crane with a lifting capacity greater than or equal to 15 t be used for transportation. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 82 Step 3 Secure the corner fitting box of the unit on the side of the indoor air supply vent (end). Step 4 Open the maintenance door and enter the cabinet to secure the corner fitting box. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 83 Step 5 Hoist the other device. Step 6 Place the device on the top of the installed device (ensure that the contact surface is clean). Step 7 Secure the corner fitting boxes. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 84: Checking The Refrigerant
Figure 4-8 is missing. If any bonnet is missing, contact Huawei technical support. If no bonnet is missing, remove the valve bonnets, and press the valve plugs using the valve bonnets in turn. If gas flows out, the system is normal. If no gas flows out, contact Huawei technical support.
Page 85: Installing An Air Duct
Indoor supply air duct: secured using 40 M8x20 screws. Procedure Step 1 Install an air duct. NO TE The following describes how to install an indoor supply air duct. Figure 4-9 Installing a return air duct Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 86: Installing Water Pipes
Water pipes need to be prepared onsite. If galvanized steel pipes are used, stainless steel connectors must be used to ensure sealing. After water pipes are installed, wrap thermal insulation foam. Figure 4-11 Drainpipe routing (end pipe routing) (1) Drainpipe (2) Water trap Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 87 ● The water pipe must be wrapped with thermal insulation foam (including the buried pipe) with a thickness of at least 3 cm. ----End Sealing Remove the paper protective film from the sealing putty. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 88 0°C). Figure 4-15 Pipe anti-freezing solution (1) Electric heating belt (2) Water refill pipe (3) Drainpipe (connected to the utility (4) Soil drainpipes) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 89: Removing Transport Fasteners And Desiccant Bags
Step 5 Loosen the three transport fixing bolts of the compressor using a 13# solid wrench and remove the sheet metal fasteners. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 90: Installing Cables
When laying out cables, ensure that the power cables and signal cables are reliably separated and that electric and extra low voltage (ELV) cables are bound separately. ● Cable colors in this document are for reference only. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 91: Optional) Installing Signal Cables
Indoor supply air Fresh air exhaust alarm 1– damper Y damper GND damper GND (control) Common Reserved Indoor supply air Fresh air exhaust alarm 2+ damper U (feedback) damper U (feedback) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 92 Step 3 Connect the signal cable to X502 terminals 1 and 2. NO TICE If a water sensor (rope-type) is to be connected, connect the signal cable to terminals X201 and X202. Figure 4-19 Ports for a water sensor (rope-type) ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 93: Cable Routes
ELV cable tray, to reduce the impact of electromagnetic interference on teamwork communication. Otherwise, teamwork networking may fail. 4.4.4.1 Preparing a Network Cable Step 1 Crimp a network cable. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 94: Can Teamwork + Rs485 Monitoring
(8) Brown Figure 4-22 RS485 monitoring communications cable (4) Blue (5) White-and-blue ----End 4.4.4.2 CAN Teamwork + RS485 Monitoring Step 1 Connect teamwork and monitoring communications cables. Networking Teamwork Monitoring Protocol Modbus-RTU Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 95 ● Connect the COM/FE port on the main control module of the last smart cooling product in each group to the RS485 port on the host. ● Customers can purchase Huawei's ECC and NetEco for the monitoring system. Figure 4-23 Connecting communications cables...
Page 96: Can Teamwork + Fe Monitoring
Enable teamwork CAN resistor to Yes. NO TE Customers can purchase Huawei's switch and NetEco for the monitoring system. Figure 4-24 Connecting communications cables ----End 4.4.4.4 FE Teamwork + RS485 Monitoring Step 1 Connect teamwork and monitoring communications cables.
Page 97 ● Connect the COM/FE port on the main control module of the last smart cooling product in each group to the RS485 port on the host. ● Customers can purchase Huawei's ECC and NetEco for the monitoring system. Figure 4-25 Connecting communications cables...
Page 98: Fe Teamwork + Fe Monitoring
Note One teamwork network supports a maximum of 16 smart cooling products. NO TE Customers can purchase Huawei's switch and NetEco for the monitoring system. Figure 4-26 Connecting communications cables ----End 4.4.5 Installing Power Cables Procedure Step 1 Route power cables through the external cable holes.
Page 99: Installing An Air Deflector
Figure 4-28 Fill the holes with sealing putty (1) Paper protective film (2) Sealing putty (standard configuration) ----End 4.5 Installing an Air Deflector Procedure Step 1 Assemble an air deflector. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 100: Optional) Installing T/H Sensors Outside A Cabinet And Cables
Step 2 Connect the OUT port on the T/H sensor outside the cabinet to the IN port on the next T/H sensor outside the cabinet in series. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 101 Cold aisle 4 temp/ humid Cold aisle 5 temp/ humid Cold aisle 6 temp/ humid Hot aisle 1 temp/ aisle humid Hot aisle 2 temp/ humid Hot aisle 3 temp/ humid Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 102: Optional) Installing Electric Heater Components And Cables
Cables Electric heater components include the electric heating belt, temperature sensor probe, and electric heater controller. Procedure Step 1 Remove the exhaust side panel. Step 2 Install the electric heater controller. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 103 Step 6 Use silicone sealant to seal the gaps between the heating belt, cables, pipe, and wall panels. Step 7 Use thermal insulation foam to wrap the heating belt and temperature sensor probe around the pipe. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 104 Step 8 Press the SET button on the electric heater controller for 2s. Within 10s, press to set the parameter to 5°C, and press the SET button to save the setting. ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 105: Verifying The Installation
The bolts for securing the compressor are □ Passed □ Failed tightened. Drip pan The drip pan is free of foreign matter inside □ Passed □ Failed and its drainage port is unblocked. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 106 □ Passed □ Failed The needle valve plug is secured (torque: 0.45±0.05 N·m), □ Passed □ Failed and valve bonnet is tightened. The pipes have no sharp bends. □ Passed □ Failed Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 107: Power-On Commissioning
DIP switch settings are correct. ----End 6.2 Power-On Procedure Step 1 Turn on the main switch of the unit. (For a device with dual power supplies, turn on both the active and standby power switches.) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 108 Confirm with Huawei technical support before modifying parameters which cannot be modified by user operator. Otherwise, Huawei will not be liable for any consequences of the modification performed by the user. ● Only certified professionals are allowed to modify advanced parameters of smart cooling products.
Page 109 Otherwise, the teamwork function is unavailable. Number of Enter the total number of smart systems in cooling products in the group. this group Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 110 This parameter can be set to Primary Settings > System supply power only, Primary power first, Settings setting Backup power first, and Mutual backup. NOTE You are advised to retain the default value. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 111 DO_1 action Set this parameter to On or Off based on the actual scenario. DO_2 action Set this parameter to On or Off based on the actual scenario. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 112 Humidity After Temperature and humidity setpoint control type and the humidity value under this type are set, the device operates based on the settings. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 113: Home Screen
The home screen of the display module displays the system status and allows you to access other function menus, such as Running, Alarms and Settings. NO TICE The information in the screenshots is for reference only. The actual parameters prevail. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 114 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. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 115: Initial Configuration
The T/H sensors outside the cabinet need to be enabled when they are installed, otherwise, skip Step ● This section describes how to enable Cold aisle sensor 1. Procedure Step 1 On the home screen, choose Settings > System Settings > T/H Sensor. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 116 ● 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 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 117: Optional) Setting The Pressure Difference Control
6.4.2 (Optional) Setting the Pressure Difference Control Prerequisites If the differential pressure sensors are installed, perform the following operations accordingly. If the differential pressure sensors are not installed, skip this part. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 118: Optional) Setting Teamwork Control Parameters
System address: The address (configurable range: 1-32) of each smart cooling product in the same group must be unique. The smart cooling product with the smallest unit address is the master unit, which collects, processes, and delivers group data. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 119 This parameter should be group number. the same for all units in the same teamwork group. System Smart cooling product addresses Set the planned teamwork address should be different from each unit address. other. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 120 Number of systems in group address. The address this group. meets the 1-32 requirement. The remaining units are automatically classified as standby devices. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 121 If the heat load of devices function you can enable the cascade increases, it is function to start standby units if recommended that you running units cannot meet the enable the cascade cooling capacity requirement. function. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 122 Step 4 On the home screen of the display module of any teamwork controlled smart cooling product, tap . If the teamwork control succeeds, the teamwork topology of the smart cooling product in the group is displayed. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 123 Frame: A green frame indicates the unit itself, green/non- green as shown in A non-green frame indicates other units in the group, as shown in Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 124: Setting Communications Parameters
Check that the number of online devices in the topology is the same as the actual number of devices. – If yes, the check is complete. – If no, check the cable connection and the teamwork settings. 6.4.4 Setting Communications Parameters Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 125: Setting Communications Parameters (Modbus Rtu Protocol)
Enable for the last device in each teamwork control group. ----End 6.4.4.2 Setting Communications Parameters (Modbus TCP Protocol) Context This section applies to the scenario where the device is connected to the NMS. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 126 Step 3 On the home screen, choose Settings > Comm Settings > Modbus Settings and set Link mode to Server and client or Client. Set Client encryption to Enable. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 127 Determine whether to use the encryption operation CBC when connecting to other devices based on the site requirements. Server Enable, This parameter is configurable when Link mode is encryption Disable set to Server. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 128: Setting Communications Parameters (Snmp Protocol)
Step 3 Set Read Community and Write Community. Tap the text box next to Read Community, set the read community parameter based on the actual plan, tap , and tap Submit. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 129 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 6-14 Setting the protocol type Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 130 Figure 6-16 Setting an AES password Tap Submit. Step 5 Tap the text box next to SNMP Port, set SNMP Port based on the actual port number, tap , and tap Submit. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 131 After a USB flash drive has been inserted into the USB port of the main control module and successfully identified, tap 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 NMS. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 132: Optional) Setting Wifi Parameters
When you enable the WiFi function for the first time, you need to set a password. Enable WiFi Enable the WiFi function. The default status is Disable. Step 3 Tap Submit. ----End 6.5 Startup Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 133 No, no password is required for startup or shutdown verification. Prerequisites Download the Service Expert app from HUAWEI AppGallery. The app can only run on Android currently. You must apply for the permission to use the app after downloading it.
Page 134 Step 2 Open the Service Expert app on the mobile phone. NO TICE After factory settings are restored, startup verification is required. Step 3 Tap Startup on the home screen of the app. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 135 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual 6 Power-On Commissioning Figure 6-23 Offline activation Step 4 Tap Offline Activation. Figure 6-24 Generating a startup password Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 136: Wizard Startup
Tap No or Exit, submission timeout, and system exception all result in commissioning failures. Choose Maint > Wizard Startup to enter the Wizard Startup screen and start the commissioning again. Procedure Step 1 On the home screen, choose Maint > Wizard Startup. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 137: Power-Off
If commissioning fails, wizard startup ends. ----End 6.7 Power-Off Context In shutdown mode, the Shutdown button is green (unavailable) and the Start button is gray (available). Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 138: Checking After Commissioning
□ Passed □ Failed direction marked on the frame. Condensate water in the water pan is drained smoothly. □ Passed □ Failed All adjustable side panels have been installed. □ Passed □ Failed Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 139: Webui
SettingsWAN IP Settings, and set the IP address, subnet mask, and gateway for the smart cooling product. Configure the PC IP address and the IP address of the smart cooling product in the same network segment. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 140 Click the Advanced tab and select Use TLS1.1 and Use TLS1.2. Figure 7-1 Setting Internet options (Optional) Click the Connections tab and select LAN settings. (Optional) Under Proxy server, deselect Use a proxy server for your LAN. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 141 Figure 7-3 Security certificate problem On the login page, enter the preset user name admin and preset password Changeme, set the language, enter the verification code, and click Log In. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 142: Introduction To The Webui
● Allows you to implement user management, for example, adding and deleting a user. ● Allows you to configure files. You can export and import files to implement quick device configuration. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 143: System Maintenance
During operation, comply with the safety symbols on the device and all the safety instructions in this document. The safety precautions provided in this document do not cover all the safety precautions. Huawei shall not be liable for any consequence caused by the violation of the safety operation regulations and design, production, and usage standards.
Page 144: Routine Maintenance
FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual 8 System Maintenance ● Exercise caution during professional maintenance. For details, contact Huawei technical support. ● When replacing a component, do not lean the component against the cabinet. 8.2 Routine Maintenance Smart Cooling Product Running ●...
Page 145: Monthly Maintenance
There are no within the normal ranges. If the oil stains. pressure is beyond the normal range, contact Huawei technical support. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 146: Quarterly Maintenance
View historical alarms generated in this quarter and select the most common five ones. (If no monitoring system is available, skip this item.) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 147: Yearly Maintenance
Exhaust Enter the diagnosis mode, Replace the fan. fan and start the exhaust fan and indoor indoor fan, and check whether the fan runs properly without any abnormal noise. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 148: Troubleshooting
● The fan vibrates violently. ● 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 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 149 Clear foreign matters or dirt in the fan if rotates collision necessary. slowly. The active Check whether the air circulation is normal. temperature Clear foreign matters if necessary. management The fan blade is blocked or polluted. function is enabled Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 151 Before performing any operation on the smart cooling product, disconnect the power supply. Table 8-5 Troubleshooting of common faults Symptom Possible Cause Solution Air leakage The connection nut is loose Tighten the nut. due to long-distance transportation. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 152 Check whether the motor is damaged. damaged and needs to be replaced. The compressor does not Check the requirement status need to be started. on the display module. The drive is faulty. Replace the drive. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 154: Alarm Reference
Clear button after the fault is rectified. ● The alarm clearance type varies depending on the smart cooling product model. Some alarms can be cleared automatically and manually. You can clear alarms based on the site requirements. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 155 1 temp sensor fault L1 precooling module exhaust air 2 temp sensor fault L2 precooling module intake air 1 temp sensor fault L2 precooling module intake air 2 temp sensor fault Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 156 ● The value detected 5. Calibrate or replace by the temperature the temperature sensor or sensor or temperature and temperature and humidity sensor is humidity sensor. different from the actual value. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 158 Hot aisle 5 temp/ humid sensor comm failed Hot aisle 6 T/H sensor comm failed Outdoor intake air 1 T/H sensor comm fail Precooling module temp/humid sensor comm failed Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 159 5. Check the cables to blocked or the differential disconnected. pressure switch. ● The cables to the differential pressure switch are loose or damaged. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 160 ● The cables to the smoke sensor are 2. Check the cables to loose or damaged. the smoke sensor. ● The smoke sensor 3. Maintain or replace is faulty. the smoke sensor. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 161 6. Maintain or replace ● The indoor fan is the indoor fan. faulty. 7. Measure the ● The ambient ambient temperature is temperature. below the lower threshold. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 162 ● The value detected 5. Calibrate or replace by the temperature the temperature sensor or sensor or temperature and temperature and humidity sensor is humidity sensor. different from the actual value. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 164 ● The value detected 5. Calibrate or replace by the temperature the temperature sensor or sensor or temperature and temperature and humidity sensor is humidity sensor. different from the actual value. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 165 Compressor 2 2. Maintain or replace damaged. discharge temperature the discharge sensor fault ● The discharge temperature sensor. temperature sensor Compressor 3 is faulty. discharge temperature sensor fault Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 166 ● The compressor is 2. Maintain or replace failure alarm faulty. the compressor. Compressor 3 start ● The compressor 3. Maintain or replace failure alarm drive is faulty. the compressor drive. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 167 Compressor 2 drive ● The refrigerant 2. Identify and repair speed limit alarm leaks. the leaking point, and refill Compressor 3 drive refrigerant after speed limit alarm maintenance. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 168 ● The value detected by the temperature 5. Calibrate or replace sensor or the temperature temperature and sensor or humidity sensor is temperature and different from the humidity sensor. actual value. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 169 ● The high humidity 5. Calibrate or replace alarm threshold is the temperature inappropriate. and humidity ● The value detected sensor. by the temperature and humidity sensor is different from the actual value. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 170 3. Check the power abnormal. supply to the fan. A118-01 Backup power failure Major The power supply is Check the power alarm faulty. supply. A118-02 Primary power failure alarm Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 171 Auxiliary cooling SPD 3. Maintain or replace and voltage detection ● The the main control board comm failed communications board. port of the main control board is faulty. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 172 2. Check the tube of the differential connection to the pressure sensor is differential pressure reversely sensor. connected. 3. Maintain or replace ● The differential the differential pressure sensor is pressure sensor. faulty. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 173 ● The auxiliary power supply. supply is in poor contact. 4. Check the interconnection ● The main control module of the module is faulty. auxiliary power supply. 5. Replace the main control module. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 174 Indoor fan 5 power fan, replace the supply abnormal drive. Exhaust fan 1 power supply abnormal Exhaust fan 2 power supply abnormal Exhaust fan 3 power supply abnormal Exhaust fan 4 power supply abnormal Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 175 3. Enable the sensor unit is not enabled that corresponds to on this air the temperature conditioner. and humidity control type for the master unit on this air conditioner. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 176 Exhaust air damper fault A279-02 Supply air damper Warning The air damper is Maintain or replace fault faulty. the air damper. Return air damper fault Exhaust air damper fault Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 177 The water overflow If the water overflow sensor detects water sensor is configured, A27F-02 or the sensor is faulty. check and clear the water source, and maintain or replace the sensor. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 178 ● The SPD and range. voltage detection Auxiliary cooling board is faulty. 2. Replace the SPD power voltage and voltage abnormal detection board. Auxiliary cooling backup power voltage abnormal Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 179 Critical ● The power grid is 1. Check the power abnormal unstable. grid. ● The phase C input 2. Rectify the fault of cable is faulty. the phase C input cable. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 180 Auxiliary cooling ● The phase C input 2. Rectify the fault of power phase sequence cable is faulty. the phase C input abnormal cable. Auxiliary cooling backup power phase sequence abnormal Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 186 ● The indoor fan is 6. Maintain or replace faulty. the indoor fan. ● The ambient 7. Measure the temperature is ambient below the lower temperature. threshold. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 187 Compressor 3 drive alarm A28E-04 Compressor 1 drive Major The fans in the Check the fans in the alarm compressor drive are compressor drive. faulty. Compressor 2 drive alarm Compressor 3 drive alarm Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 188 ● The compressor 2. Maintain or replace Compressor 2 drive drive is faulty. the compressor power supply drive. abnormal Compressor 3 drive power supply abnormal Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 189 ● The outdoor fan is the outdoor fan. abnormal. 4. Decrease certain ● The refrigerant is amount of overfilled. refrigerant. ● The compressor is 5. Maintain or replace faulty. the compressor. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 191 ● The cable to the 5. Replace the spray spray water supply water supply solenoid valve is solenoid valve. not connected properly. ● The spray water supply solenoid valve is faulty. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 192 1. Apply for a new expire certificate is about certificate promptly A30C-02 to expire. and update the A30C-04 existing one. ● The system time is incorrectly set. 2. Calibrate the system time. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 193 ● The cables to the alarm spray pump drive 2. Check the cables to are loose or the spray pump damaged. drive. ● The spray pump is 3. Maintain or replace faulty. the spray pump. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 194 Spray pump 2 drive ● The spray pump 2. Maintain or replace overcurrent drive is faulty. the spray pump drive. A371-01 Parts replacement Warning Reserved Reserved alarm Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 195: Component Replacement
● The value detected by the precooling module temperature sensor is different from the actual value. 8.5 Component Replacement Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 196: Component Position (Building Scenario)
When replacing components, you need to remove the corresponding adjustable side panel in the FDC scenario or open the corresponding maintenance door in the building scenario. The following describes how to remove the corresponding adjustable side panel. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 197: Component Position (Fdc Scenario)
Exercise caution because the device is still energized after it is shut down on the screen of the display module. Step 2 Replace the outdoor intake air filter (end). Remove the air filter fasteners and take out the air filter from the end. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 198 Step 4 Replace the indoor return air filter (top). Open the maintenance door corresponding to the air filter, remove the fastener from the air filter, and pull out the air filter. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 199: Replacing An Air Filter (Fdc Scenario)
Step 1 On the home screen of the display module, tap Shutdown and turn off the device switch in the PDF. NO TICE Exercise caution because the device is still energized after it is shut down on the screen of the display module. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 201: Replacing A Differential Pressure Switch (Building Scenario)
Step 3 Cut off the cable ties on the cables, remove the bolts from the sheet metal, flip the plate, and remove the sheet metal and differential pressure switch. Figure 8-8 Removing the sheet metal Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 202: Replacing A Differential Pressure Switch (Fdc Scenario)
Exercise caution because the device is still energized after it is shut down on the screen of the display module. Step 2 Remove the outdoor intake air filter. Step 3 Remove the bolts from the sheet metal fastener and push the baffle plate. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 203 Step 8 Install the new differential pressure switch, install the pressure inlet tube, and connect cables. Step 9 Power on the device and tap Start on the home screen. Ensure that the device is running properly without generating alarms. ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 204: Replacing A T/H Sensor (Building Scenario)
T/H sensor. Figure 8-11 Removing a T/H sensor Step 4 Remove the outdoor intake air T/H sensor. Remove the screws from the sheet metal fastener of the T/H sensor. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 205: Replacing A T/H Sensor (Fdc Scenario)
A spare T/H sensor of the same model is available and functional. ● Tools: Phillips screwdriver, scissors Procedure Step 1 On the home screen of the display module, tap Shutdown and turn off the device switch in the PDF. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 206 Figure 8-13 Removing the T/H sensor sheet metal Figure 8-14 Removing a T/H sensor Step 4 Remove the outdoor intake air T/H sensor. Remove the screws from the sheet metal fastener of the T/H sensor. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 207: Replacing An Air Exhaust Ntc Temperature Sensor (Building Scenario)
8.5.9 Replacing an Air Exhaust NTC Temperature Sensor (Building Scenario) Prerequisites ● An NTC temperature sensor needs to be replaced. ● A spare NTC temperature sensor of the same model is available and functional. ● Tool: Phillips screwdriver Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 208 Step 7 Bind the cable ties. Step 8 Power on the device and tap Start on the home screen. Ensure that the device is running properly without generating alarms. ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 209: Replacing An Air Exhaust Ntc Temperature Sensor (Fdc Scenario)
A spare NTC temperature sensor of the same model is available and functional. ● Tool: Phillips screwdriver Procedure Step 1 On the home screen of the display module, tap Shutdown and turn off the device switch in the PDF. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 210: Replacing An Air Supply Fan
Tools: protection gloves, Phillips screwdriver, diagonal pliers, cable tie Procedure Step 1 On the home screen of the display module, tap Shutdown and turn off the device switch in the PDF. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 211 FDC scenario: Remove the adjustable side panel, post, and water pipe. Figure 8-18 Removing the maintenance door frame (building scenario) Figure 8-19 Removing the post and water pipe (1) Post (2) Water pipe Step 4 Remove the sheet metal. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 212 ● When you pull out the second fan horizontally, the latch is stuck. Press the latch and pull out the fan horizontally. Step 7 Unscrew the fan support and take out the fan. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 214: Replacing An Exhaust Fan
Step 4 Cut the cable tie that binds the cable connected to the faulty fan, and remove the fan terminal. Step 5 Pull out the fan assembly horizontally by holding its handles. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 215 ● When you pull out the second fan horizontally, the latch is stuck. Press the latch and pull out the fan horizontally. Step 6 Unscrew the fan support and take out the fan. Figure 8-25 Removing a fan Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 216: Replacing A Precooling Module
Step 1 On the controller home screen, tap Shutdown and turn off the device switch in the PDF. NO TICE Exercise caution because the equipment is still energized after it is shut down on the controller home screen. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 217: Replacing A Compressor
Step 6 Install the adjustable side panel and beam. Step 7 Tap Start on the home screen. Ensure that the device is running normally without any alarms. ----End 8.5.15 Replacing a Compressor 8.5.15.1 Replacing a Compressor Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 218 Step 6 Remove the compressor. Use a welding torch to separate the welding points for the suction and discharge pipes from the compressor. After the separation, seal the suction and discharge outlets immediately. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 220: R410A Refrigerant
----End 8.5.15.2 R410A Refrigerant CA UTION Do not use refrigerant of poor quality. Huawei will not be liable for any device damage caused by using refrigerant of poor quality. Verify that the refrigerant is authentic in the following ways: Issue 02 (2021-04-15)
Page 221 2.27 0.75 1.39 2.33 0.78 1.43 2.39 0.81 1.47 2.45 0.84 1.51 2.51 0.87 1.56 2.57 1.60 2.63 0.93 1.65 0.96 1.69 2.76 0.99 1.74 2.83 1.02 1.79 1.05 1.84 2.97 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 222: Injecting Nitrogen To Preserve The Pressure For Refrigerant Pipes
Procedure Step 1 Inject nitrogen from the low-pressure needle valve and liquid pipe needle valve at the same time. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 223: Vacuumizing And Precharging Refrigerant
During the commissioning of the smart cooling product, ensure that no combustion-supporting materials (such as air or additive) enter the smart cooling product system. Huawei is not liable for any risks and losses caused due to violation. Issue 02 (2021-04-15)
Page 224: Refrigerant Charge Amount Requirements
After 10 minutes, if it still exhausts white smoke, observe it for another 10 minutes because the cooling system may not be sealed properly or there may be too much residual refrigerant or water in the cooling system. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 225: Precharging Refrigerant
● Fill the refrigerant (R410A) after checking that the cooling system does not leak and the vacuum level meets the requirements. Procedure Step 1 Take off the vacuum pump from the vacuumizing device, and replace the vacuum pump with a refrigerant cylinder. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 226 NO TICE If the R410A refrigerant is provided by Huawei, put the refrigerant cylinder upside down when charging the refrigerant. If the refrigerant is not provided by Huawei, check with the refrigerant provider whether the cylinder has a siphon. If the cylinder has a siphon, stand the cylinder when charging refrigerant.
Page 227: Charging The Remaining Refrigerant
Figure 8-34 Charging the remaining refrigerant (1) Refrigerant cylinder (2) Electronic balance (3) Pressure gauge (4) Connection nut (5) Low pressure needle valve NO TICE Charge refrigerant on the basis of the precharging. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 228: Replacing A Filter Dryer
Phillips screwdriver, nitrogen cylinder, refrigerant cylinder, vacuum pump, pressure gauge, rubber hose, protective gloves ● Preparation: Power off the smart cooling product and reclaim the refrigerant in the system. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 230: Replacing A Compressor Drive
8.5.17 Replacing a Compressor Drive Prerequisites ● A drive needs to be replaced. ● A spare drive of the same model is available and functional. ● Tools: Phillips screwdriver, diagonal pliers, cable tie Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 231 Step 7 Install the adjustable side panels. Step 8 Power on the smart cooling product, and choose Maint > Wizard Startup on the home screen. Start the compressor and check that the compressor works properly Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 232: Replacing A Fan Drive
Step 3 Flip the clip on the fan drive to be replaced. Step 4 Pull out the handle and remove the fan drive from the subrack. Figure 8-38 Removing the fan drive Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 233: Replacing A Liquid Level Sensor
PDF. NO TICE Exercise caution because the device is still energized after it is shut down on the screen of the display module. Step 2 Remove the adjustable side panel. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 234 Remove the fastener from the liquid level sensor at the bottom of the precooling module. ● Loosen the nut on the liquid level sensor using a wrench and take out the sensor. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 235: Replacing A Water Pump
Step 1 On the home screen of the display module, tap Shutdown and turn off the device switch in the PDF. NO TICE Exercise caution because the device is still energized after it is shut down on the screen of the display module. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 236: Replacing A Switch
----End 8.5.21 Replacing a Switch Prerequisites ● A switch needs to be replaced. ● A spare switch of the same model is available and functional. ● Tools: Phillips screwdriver, flat-head screwdriver Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 237 Step 7 Close the door of the electric control box. Step 8 Power on the device and tap Start on the home screen. Ensure that the device is running properly without generating alarms. ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 238: Replacing A Contactor
Step 4 Install the new contactor. Clamp the clip at the lower side of the new contactor to the guide rail, push the contactor upwards, and press the contactor inwards. Step 5 Connect the cables again. Step 6 Close the door of the electric control box. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 239: Replacing An Spd
Step 3 Pry the clip ring of the faulty SPD using a flat-head screwdriver, and remove the faulty SPD. Figure 8-45 Removing an SPD NO TICE The figure is for reference only. The actual product may vary. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 240: Replacing A Fuse
----End 8.5.25 Replacing a Relay Prerequisites ● A relay needs to be replaced. ● A spare relay of the same model is available and functional. ● Tools: Phillips screwdriver, flat-head screwdriver Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 241 Step 7 Close the door of the electric control box. Step 8 Power on the device and tap Start on the home screen. Ensure that the device is running properly without generating alarms. ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 242: Faq
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 9-1 T/H Curve screen Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 243: How Do I View Logs
Running > Status Summary. ● 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 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 244: How Do I View System Parameters
9.1.6 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 9-2 Service Info screen ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 245: How Do I Check Teamwork Control Information
● If active alarms exist, they are displayed on the alarm bar in turn. ● You can query an alarm on the alarm list in "Alarm Reference" based on the alarm ID to know causes of the alarm and methods to clear the alarm. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 246: How Do I Clear Component Runtime
Alarms > Query Hist Alarms on the home screen. NO TE Historical alarms are displayed in chronological order. The latest cleared alarm is displayed in the uppermost row. 9.1.10 How Do I Clear Component Runtime? Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 247: How Do I Calibrate A T/H Sensor
NO TE Exercise caution because the device is still energized after it is shut down on the screen of the display module. Step 2 Open the side panel of the unit. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 248 (1) Pressure measurement point for the (2) Pressure measurement point for the negative pressure tube positive pressure tube NO TE The cross section of the pressure tubes must be perpendicular to the wind direction. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 249: How Do I Check Whether Group Upgrade Is Supported In A Scenario
● To prevent the effect of misoperations on the system, log in as user operator before modifying parameters. Confirm with Huawei technical support before modifying parameters which cannot be modified by user operator. Otherwise, Huawei will not be liable for any consequences of the modification performed by the user.
Page 250: How Do I Change The Password
Step 1 On the home screen, choose Settings > System Settings > System Control and set Balance of water and electricity consumption based on the actual situation. Figure 9-9 Setting parameters Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 251: How Do I Set Alarm Parameters
45. ● If you need to change alarm settings, log in as user Admin. NO TICE Be careful when configuring alarm parameters. Only professional maintenance personnel can change alarm settings. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 252: 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 > Enter to enter the diagnostic mode. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 253: How Do I Query The Setting Of A Parameter Before Change
The log query screen displays logs of LCD user operations, including user login and setting change records. Figure 9-12 Query Logs 9.1.19 How Do I Export Data? Context One-click export allows you to export current alarms, historical alarms, and logs. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 254: How Do I Export Or Import A Configuration File
64 GB. For a non-FAT32 USB flash drive, format it to the FAT32 format using a computer. You can export the configuration file containing the parameter settings of smart cooling product 1 to a USB flash drive. When you need to set the same Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 255 Step 5 On the home screen of smart cooling product 2, choose Maint > USB Operations > Import Config. Figure 9-15 Selecting the configuration file Step 6 Select the file package to be imported and tap Next. Figure 9-16 Confirming the file Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 256: How Do I Import A Certificate And Key
Figure 9-17 Importing a security certificate Step 2 Select Client certificate or Server certificate based on the type of the certificate in use. Step 3 Tap Browse next to Upload CA certificate file. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 257: 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 9-18 Changing the login password Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 258: How Do I 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 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 259: How Do 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 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 260: How Do I Export Fault Information
You have obtained the IP address, subnet mask, and default gateway information planned for the smart cooling product. Procedure Step 1 Log in to the smart cooling product WebUI as an administrator. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 261: How Do I View Version Information
Step 3 Choose Maintenance > Version Information and view the version information, software version, and BSP version. ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 262: A Cleaning The Device
Clear dust, rain marks, or stains on the device exterior using a long-handled soft brush dipped with alkaline or neutral detergent. Wash the device exterior with clean water. NO TE It is recommended that you clean the device once every quarter. ----End Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 263: B Repairing Paint
The device exterior should be intact. If the surface is bumped, scratched, or rusted, the paint should be repaired. NO TE Check the paint damage on the device and prepare appropriate tools and materials. The number of materials depends on site requirements. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 264 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 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 265 Then wipe off the alcohol with a clean and dry cotton cloth. Figure B-2 Wiping a polished or damaged area using anhydrous alcohol Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 266 When a pattern has different colors, to prevent undamaged areas and those with different colors from being polluted during repainting, cover such areas using white paper and adhesive tape before repairing paint. Figure B-4 Manual paint spray Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 267 Cooling System User Manual B Repairing Paint 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 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 268: C Parameter Description
Settings > Comm For details, see the section "Setting Communications Settings > WAN IP Parameters." Settings Settings > Comm For details, see the section "Setting Communications Settings > LAN IP Parameters." Settings Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 269 ● For scenarios without grouping, set monitoring this parameter to Enable for the last grouping device. ● For scenarios with grouping, set this parameter to Enable for the last device in each teamwork control group. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 270 NMS. Active alarms are displayed on Sensor sensor fault the display module and the system performs related protection actions. ● Disable: No alarms are generated and no protection actions are performed. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 272 ● Disable: No alarms are generated and no protection actions are performed. Power Specifies the threshold. voltage NOTE abnormal Use the default value. Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 273 You can enable or disable the cold aisle sensor* sensors. Hot aisle You can enable or disable the hot aisle sensor* sensors. Outdoor Outdoor intake air sensor* can be set to intake air Enable or Disable. sensor* Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 275 This parameter can be set to Enable or function Disable. System This parameter ensures that the total power limit operating power of the system is always below the preset value. Cooling Select a running mode. mode control Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 276 You can enable or disable the cold aisle sensor* sensors. Hot aisle You can enable or disable the hot aisle sensor* sensors. Outdoor Outdoor intake air sensor* can be set to intake air Enable or Disable. sensor* Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 277 Preset total Specifies the total energy consumption of system the unit. power consumption Maint > System total Display the accumulated runtime for Performance Maint power each component. consumption Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 278 1°C lower than that Return air detected by other devices, set the temp calibration value to 1°C. calibration value Return air humidity calibration value Outdoor intake air temperature calibration value Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 279 Paral comp discharge pres calibration value Paral comp sys suction pres calibration value Paral comp sys suction temp calibration value Paral comp sys liquid pipe temp calibration value Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 280: D Cooling System Layout
(11) Evaporator air intake NTC (12) EEV sensor (13) Liquid pipe NTC sensor (14) Filter dryer (15) Condenser (16) Condenser intake air NTC (17) Evaporator (18) Oil return filter sensor (19) Oil return capillary Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 281: E Electrical Conceptual Diagrams
FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual E Electrical Conceptual Diagrams Electrical Conceptual Diagrams Figure E-1 Electrical conceptual diagram 1 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 282 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual E Electrical Conceptual Diagrams Figure E-2 Electrical conceptual diagram 2 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 283 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual E Electrical Conceptual Diagrams Figure E-3 Electrical conceptual diagram 3 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 284 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual E Electrical Conceptual Diagrams Figure E-4 Electrical conceptual diagram 4 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 285 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual E Electrical Conceptual Diagrams Figure E-5 Electrical conceptual diagram 5 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 286 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual E Electrical Conceptual Diagrams Figure E-6 Electrical conceptual diagram 6 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 287 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual E Electrical Conceptual Diagrams Figure E-7 Electrical conceptual diagram 7 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 288 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual E Electrical Conceptual Diagrams Figure E-8 Electrical conceptual diagram 8 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 289: F Air Filter Maintenance Platform
FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual F Air filter Maintenance Platform Air filter Maintenance Platform Figure F-1 Air filter maintenance platform Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 290: G Physical Ports (Building Scenario)
Physical Ports (Building Scenario) The following table describes the ports reserved on the device. G.1 Physical Ports of Air Vents Figure G-1 Dimensions of an indoor air supply vent (unit: mm) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 291 Cooling System User Manual G Physical Ports (Building Scenario) Figure G-2 Dimensions of an outdoor air intake vent (unit: mm) Figure G-3 Dimensions of an indoor air return vent (unit: mm) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 292: Physical Ports Of Pipes
User Manual G Physical Ports (Building Scenario) Figure G-4 Dimensions of an outdoor air exhaust vent (unit: mm) G.2 Physical Ports of Pipes Figure G-5 Dimensions of a water pipe (unit: mm) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 293: Physical Ports Of Cables
Figure G-7 Cable ports on an electric control box (front view) (1) Active power switch QF1 (2) Standby power switch QF2 (3) Reserved terminal block and water sensor (4) Transformer TC-1 (reserved) port Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 294 Item Specifications/ Quantity Port Power cable Active power supply AC1 input L1 port AC1 input L2 AC1 input L3 Standby power AC2 input L1 supply AC2 input L2 AC2 input L3 Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 295 Smoke sensor port Input Water sensor port Input Supply air damper 24 V DC power port supply; voltage range: 0–10 V Exhaust air damper port Return air damper port Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 296: H Physical Ports (Fdc Scenario)
Physical Ports (FDC Scenario) The following table describes the ports reserved on the device. H.1 Physical Ports of Air Vents Figure H-1 Dimensions of an indoor air supply vent (end) (unit: mm) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 297 User Manual H Physical Ports (FDC Scenario) Figure H-2 Dimensions of an indoor air return vent (end) (unit: mm) Figure H-3 Dimensions of an indoor air return vent (side) (unit: mm) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 298 User Manual H Physical Ports (FDC Scenario) Figure H-4 Dimensions of an outdoor air intake vent (end) (unit: mm) Figure H-5 Dimensions of an outdoor air exhaust vent (top) (unit: mm) Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 299: Physical Ports Of Pipes
Figure H-6 Dimensions of an outdoor air exhaust vent (end) (unit: mm) H.2 Physical Ports of Pipes Figure H-7 Dimensions of a water refill pipe (side, unit: mm) (1) Water tank refill pipe Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 300 Condensate water G 3/4 inch internal thread pan drainpipe of the connector evaporator Water tank G 1-1/2 inch internal thread drainpipe connector Condensate water G 1 inch internal thread pan drainpipe connector Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 301: Physical Ports Of Cables
Figure H-10 Dimensions of cable holes on a power distribution box (bottom view, unit: mm) (1) Primary power cable hole (2) Backup power cable hole (3) Reserved customer signal cable hole Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 302 AC1 input L2 AC1 input L3 Backup power AC2 input L1 supply AC2 input L2 AC2 input L3 Teamwork Monitoring system RS485/FE control/ Teamwork monitoring/ external reserved ports Remote startup/ shutdown Common alarm Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 303 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual H Physical Ports (FDC Scenario) Type Item Specifications/ Quantity Port Temperature and RS485 humidity (T/H) sensor, cascading supported Smoke sensor port input Water sensor port input Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 304: I Acronyms And Abbreviations
User Manual I Acronyms and Abbreviations Acronyms and Abbreviations controller area network fast Ethernet negative temperature coefficient power supply unit positive temperature coefficient power usage effectiveness RCCB residual current circuit breaker Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.
Page 305 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual I Acronyms and Abbreviations thin film transistor Universal Series Bus Issue 02 (2021-04-15) Copyright © Huawei Technologies Co., Ltd.

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Fusioncol8000-e240h4

Huawei FusionCol8000-E240 User Manual

About this Document

1 Safety Information

2 Product Description

3 System Installation (Building Scenario)

4 System Installation (FDC Scenario)

5 Verifying the Installation

6 Power-On Commissioning

7 Webui

8 System Maintenance

9 Faq

A Cleaning the Device

B Repairing Paint

C Parameter Description

D Cooling System Layout

E Electrical Conceptual Diagrams

F Air Filter Maintenance Platform

G Physical Ports (Building Scenario)

H Physical Ports (FDC Scenario)

I Acronyms and Abbreviations

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Summary of Contents for Huawei FusionCol8000-E240