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Huawei FusionCol8000-E24 User Manual

Modular indirect evaporative cooling system
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FusionCol8000-E240 Modular Indirect Evaporative
Cooling System
User Manual
Issue
03
Date
2021-04-20
HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.

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Table of Contents
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Summary of Contents for Huawei FusionCol8000-E24

  • Page 1 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual Issue Date 2021-04-20 HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and features are stipulated by the contract made between Huawei Digital Power Technologies Co., Ltd. and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
  • Page 3: About This Document

    Indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 4 Added the content about maintenance for the precooling module and exhaust fan. Added 4.6 Installing an Air Deflector 5.6 Installing an Air Deflector. 2021-01-30 The issue is the first official release. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 5: Table Of Contents

    4.1.1 Installation Precautions..............................33 4.1.2 Space Requirements................................. 34 4.1.3 Storage Requirements..............................34 4.2 Tools......................................35 4.3 Materials....................................38 4.3.1 Water Refill Pipe and Drainpipe........................... 38 4.3.2 Cables....................................39 4.4 Installing a Unit..................................39 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 6 5.5 Installing Cables..................................82 5.5.1 Precautions..................................82 5.5.2 (Optional) Installing Signal Cables..........................82 5.5.3 Cable Routes..................................85 5.5.4 (Optional) Installing Teamwork and Monitoring Communications Cables..........85 5.5.4.1 Preparing a Network Cable............................85 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 7 9.2.3 Yearly Maintenance................................ 142 10 Troubleshooting........................ 144 11 Alarm Reference........................151 12 Component Replacement....................152 12.1 Component Position (Building Scenario).........................152 12.2 Component Position (FDC Scenario).........................153 12.3 Replacing an Air Filter (Building Scenario)......................153 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 8 13.2.3 How Do I View Logs?..............................208 13.2.4 How Do I View Component Status?........................208 13.2.5 How Do I View System Parameters?........................208 13.2.6 How Do I View Version Information?........................209 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 9 G Physical Ports (FDC Scenario)..................249 G.1 Physical Ports of Air Vents.............................. 249 G.2 Physical Ports of Pipes..............................254 G.3 Physical Ports of Cables..............................256 H Acronyms and Abbreviations...................259 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd. viii...
  • Page 10: Safety Information

    Failure to follow the operation instructions and safety precautions on the product and in this document ● Equipment damage due to force majeure, such as earthquakes, fire, and storms Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • 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 03 (2021-04-20) Copyright © Huawei Digital Power 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 13: Personnel Requirements

    Do not operate the equipment in the absence of a properly installed ground conductor. ● Ensure that the equipment is connected permanently to the protective ground. Before operating the equipment, check its electrical connection to ensure that it is securely grounded. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • 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 03 (2021-04-20) Copyright © Huawei Digital Power 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 03 (2021-04-20) Copyright © Huawei Digital Power 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 03 (2021-04-20) Copyright © Huawei Digital Power 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 18 When pulling the equipment out of a cabinet, be aware of unstable or heavy objects on the cabinet to prevent injury. ● Be cautious to avoid injury when moving heavy objects. Issue 03 (2021-04-20) Copyright © Huawei Digital Power 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 03 (2021-04-20) Copyright © Huawei Digital Power 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 03 (2021-04-20) Copyright © Huawei Digital Power 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 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 22: Components

    (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) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 23 ● The heat exchanger core has high adaptability. It applies to high-temperature, low-temperature, and high- and low- temperature impact environments. Condens The condenser adopts the flow design with a low wind resistance. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 24 2 Product Description Item Description Outdoor ● A Huawei-developed high-speed fan is used, which exhaust 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 The features allow you to view the status and locate a fault. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 26: Product Introduction (Fdc Scenario)

    (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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 27 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 28 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 29: Display Module

    (4) SW (reserved) main control module Table 2-1 Indicator and buzzer status description Indicator Buzzer Running Status Green No buzzing The unit is operating properly, or there is a warning. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 30 ● Teleadjust: adjusts the temperature, humidity, and alarm threshold. ● Teleindication: generates alarms for the startup/shutdown, overvoltage/undervoltage, high/low return air temperature, high/low return air humidity, air filter normal/blocked, and fan normal/faulty state. ● Telecontrol: controls startup/shutdown. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 31 The display panel is protected by a multi-level password protection mechanism to avoid misoperation. ● The password is verified each time the system is started or shut down to ensure system operation security. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 32: Main Control Module

    Blinking green The unit is started. Alarm indicator (ALM) There is no alarm, or a warning or minor alarm is generated. Steady red There is a major or critical alarm. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 33 ● Connects a USB flash drive to export data, import and export configuration files, import certificates and keys, and upgrade the version. NO TE This port is protected by a security mechanism. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 34: Working Modes

    Compressor Status Pump Status Status Dry mode (fan) Wet mode (fan + spraying) Hybrid mode (dry mode + auxiliary cooling mode) Hybrid mode (wet mode + auxiliary cooling mode) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 35 Figure 2-8 Dry mode Figure 2-9 Wet mode Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 36 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual 2 Product Description Figure 2-10 Dry mode + auxiliary cooling mode Figure 2-11 Wet mode + auxiliary cooling mode Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 37: Product Specifications

    (H x W x D) Installation Indoor scenario Power system 380–415 V AC, 3-phase, 50 Hz/60 Hz Air filter level on the indoor air return side (EN 779) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 38: System Specifications (Fdc Scenario)

    Table 3-3 System specifications Item FDC Scenario Maximum power 78.5 kW (default power) Maximum 140 A (default current) current Total cooling 240 kW capacity Sensible cooling 240 kW capacity Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 39 38°C, the cooling capacity of the equipment is derated. Table 3-4 Compressor cooling specifications Item Specifications Compressor type Variable-frequency scroll compressor Number of compressors Throttling device Refrigerant R410A Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 40: Operating Environment Specifications

    Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 41 (RCCB) that is insensitive to single-phase DC pulsation and transient impulse current. Note: If the requirements are not met, contact technical support for an optimized solution. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 42: System Installation (Building Scenario)

    FusionCol8000-E. Reserve sufficient space for maintenance and operations when installing thermal insulation foam for valves and connectors. At low temperatures, take thermal insulation measures to prevent water pipes from freezing. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 43: Space Requirements

    ● Do not expose the unit to strong sunlight in summer. Otherwise, the thermal insulation panels may be deformed. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 44: Tools

    Electric pallet truck truck Installation Crane (> 50,000 Lifting rope Hoisting rope Jack Level gauge Level Vacuum cleaner Ink fountain Long soft Lever (bearing measuring tape capacity ≥ 400 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 45 Needle-nose Combination Hacksaw pliers pliers Step ladder (2 m) Flashlight Thermometer Pipe Hot melt device Thread sealant/ Thermal Nitrogen (for rigid pipes) insulation foam sealing tape sealant (sealing tape) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 46 Cable Wire strippers Power cable Insulation tape Heat shrink crimping tool tubing Heat gun Cable tie Commissioning Multimeter Clamp meter Thermocouple Nitrogen temperature sensor c: dry nitrogen Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 47: Materials

    G 3/4 inch external thread connector the evaporator Spray drainpipe G 1-1/2 inch external thread connector Condensate pan drainpipe of the heat G 1 inch external thread connector exchanger core Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 48: Cables

    4.4 Installing a Unit 4.4.1 Unpacking and Checking Context Move the unit closest to the installation position before unpacking it to facilitate movement and avoid damage. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 49: Securing A Unit

    Ensure that the steel ropes are securely connected. During hoisting Do not allow any unauthorized people to enter the hazardous areas and never stand under the crane arm during hoisting. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 50 Materials: unit to be hoisted, expansion bolt, angle steel bracket Procedure Step 1 Prepare concrete platforms. Figure 4-3 Concrete platforms for a single unit (unit: mm) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 51 NO TICE When hoisting the unit, ensure that the four corner fittings of the unit are aligned with the marked mounting positions for corner fittings on the concrete platforms. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 52 Secure the right angle brackets to the concrete platforms using expansion bolts. Figure 4-6 Securing the unit to the concrete platforms Step 7 Install the equipotential ground cable or ground lug. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 53 Table 4-5 Post-installation checklist Item Check Method Expected Result Contact between Observe. The units are in close units and concrete contact with and platforms evenly supported by the concrete platforms. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 54: Checking The Refrigerant

    Step 1 Open the maintenance door to the compressors. Step 2 Check whether any needle valve bonnet of the compressors 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.
  • Page 55: Installing Pipes

    Generally, the sealing cotton is pressed inside the flange of the air duct or sealant is applied to the flange after installation. ----End 4.4.5 Installing Pipes The designed height of the water trap must meet the following requirements. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 56 ● After installing water pipes, install supports to secure the pipes. Water pipes need to be prepared onsite. If galvanized steel pipes are used, stainless steel connectors must be used to ensure sealing. Figure 4-11 Water pipes Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 57 Sealing Remove the paper protective film from the sealing putty. Seal the gaps between the water pipes and the unit using sealing putty after the pipes are correctly connected. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 58: Removing Transport Fasteners And Desiccant Bags

    Step 5 Loosen the transport fixing bolts of the three compressors using a 13# solid wrench and remove the sheet metal fasteners. Figure 4-15 Removing sheet metal fasteners from a compressor Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 59: 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 60: Cable Routes

    The following describes how to connect a water sensor. Context Figure 4-17 Signal cable terminal (using X501 as an example) NO TE The preceding figure shows the arrangement of signal terminals X502, X504, and X505. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 61 Step 2 Route the signal cable through the signal cable hole at the bottom of the electric control box. Step 3 Connect the signal cable to X502 terminals 1 and 2. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 62: Optional) Installing Teamwork And Monitoring Communications Cables

    ● Route cables in compliance with local standards. Take appropriate shielding measures, such as using a galvanized pipe or an ELV cable tray, to reduce the impact of electromagnetic interference on teamwork communication. Otherwise, teamwork networking may fail. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 63: Preparing A Network Cable

    Figure 4-20 RS485 monitoring communications cable (4) Blue (5) White-and-blue ----End 4.5.4.2 CAN Teamwork + RS485 Monitoring Step 1 Connect teamwork and monitoring communications cables. Networking CAN Teamwork RS485 Monitoring Protocol Modbus-RTU Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 64 ● Connect the COM/FE port on the main control module of the last unit in each group to the RS485 port on the host. ● Customers can purchase an ECC and NetEco as the monitoring system. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 65: Can Teamwork + Fe Monitoring

    Settings screen of the display modules of the first and last units, set Enable teamwork CAN resistor to Yes. NO TE Customers can purchase a switch and NetEco as the monitoring system. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 66: Fe Teamwork + Rs485 Monitoring

    ● Connect the COM/FE port on the main control module of the last unit in each group to the RS485 port on the host. ● Customers can purchase an ECC and NetEco as the monitoring system. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 67: Fe Teamwork + Fe Monitoring

    Figure 4-24 FE teamwork group-based ring networking (using 13 units as an example) ----End 4.5.4.5 FE Teamwork + FE Monitoring First Connection Step 1 Connect teamwork and monitoring communications cables. Networking FE Teamwork FE Monitoring Protocol MAC_CAN Modbus-TCP/SNMP Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 68 FE_1 port of the next unit with an even number. Connect FE_2 of No. 1 unit and FE_1 of No. 2 unit, and connect the remaining FE_1 and FE_2 of the last two units. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 69: Installing Power Cables

    Step 3 Connect one end of the active and standby power cables to the active/standby power supply terminals/PE terminal through the cable holes in the electric control box of the unit, and connect the other end to the power supply. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 70: Installing An Air Deflector

    Figure 4-29 Filling the hole with sealing putty (1) Paper protective film (2) Sealing putty ----End 4.6 Installing an Air Deflector Procedure Step 1 Assemble an air deflector. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 71 Step 2 Install the assembled air deflector on the unit. Figure 4-32 Installing an air deflector Step 3 (Optional) If an air damper is configured, install the assembled air deflector on the air damper. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 72: Optional) Installing T/H Sensors Outside The Unit And Cables

    Step 2 Connect the indoor hot aisle T/H sensor and indoor return air T/H sensor of the heat exchanger core in series. Figure 4-34 Connecting T/H sensors in series Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 73 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 Hot aisle 4 temp/ humid Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 74: Optional) Installing Motorized Dampers And Cables

    ● Ensure that cable routing does not affect the maintenance of the unit. ● Cables must be protected against damage. Step 3 Connect the air damper cable terminal and air damper actuator terminal. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 75 Indoor return air damper Y (control) (control) Indoor supply air damper 24 V DC Indoor supply air damper GND Indoor supply air damper U (feedback) Indoor supply air damper Y (control) ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 76: System Installation (Fdc Scenario)

    FusionCol8000-E. Reserve sufficient space for maintenance and operations when installing thermal insulation foam for valves and connectors. At low temperatures, take thermal insulation measures to prevent water pipes from freezing. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 77: Space Requirements

    ● If the unit is installed outdoors, ensure that it is free from dirt, rain, snow, or animal intrusion, and that the protective film on the surface is intact. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 78: Tools

    Safety shoes Safety helmet Safety belt Transportation Manual pallet Electric pallet truck truck Installation Crane (> 50,000 Lifting rope Hoisting rope Jack Level gauge Level Vacuum cleaner Ink fountain Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 79 (28 mm) Solid wrench (13 Phillips Flat-head Electric mm/18 mm) screwdriver screwdriver screwdriver (M4/M6/M8) (M3/M4) Diagonal pliers Needle-nose Combination Hacksaw pliers pliers Step ladder (2 m) Flashlight Thermometer Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 80 Temperature resistance 85°C at least for thermal insulation foam sealant or sealing tape Cable Wire strippers Power cable Insulation tape Heat shrink crimping tool tubing Heat gun Cable tie Commissioning Multimeter Clamp meter Thermocouple Nitrogen temperature sensor Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 81: Materials

    G 3/4 inch external thread connector the evaporator Spray drainpipe G 1-1/2 inch external thread connector Drainage manifold Condensate pan drainpipe of the heat G 1 inch external thread connector exchanger core Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 82: Cables

    5.4 Installing a Unit 5.4.1 Unpacking and Checking Context Move the unit closest to the installation position before unpacking it to facilitate movement and avoid damage. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 83: Securing A Unit

    5.4.2 Securing a Unit Context Figure 5-3 Port reserved for combining smart cooling products (1) Reserved port for combining units on the (2) Reserved port for combining units on the side Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 84 Step 3 Secure the unit on the side of the indoor air supply vent (end). Step 4 Open the maintenance door and enter the container to secure the unit. NO TE Secure the unit using the actual number of bolts for fasteners. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 85: Checking The Refrigerant

    Step 1 Open the maintenance door to the compressors. Step 2 Check whether any needle valve bonnet of the compressors 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.
  • Page 86: Installing Air Ducts

    Indoor return air duct (end): secured using 34 M8x20 screws. Indoor return air duct (side): secured using 48 M8x20 screws. Indoor supply air duct: secured using 40 M8x20 screws. Procedure Step 1 Install an air duct. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 87: Installing Pipes

    The designed height of the water trap must meet the requirements specified in Figure 4-10. Figure 5-8 Designed height of the water trap NO TE It is recommended that the height of segment B be as low as possible. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 88 ● After installing water pipes, install supports to secure the pipes. Figure 5-9 Water refill pipe routing Figure 5-10 Drainpipe routing (end pipe routing) (1) Drainage manifold (2) Water trap Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 89 Install the water refill pipe. Install the sheet metal for the water refill pipe. Figure 5-12 Installing a water refill pipe Step 2 Install the drainpipe. Figure 5-13 Installing the drainpipe Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 90: Removing Transport Fasteners And Desiccant Bags

    Step 5 Loosen the transport fixing bolts of the three compressors using a 13# solid wrench and remove the sheet metal fasteners. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 91: Installing Cables

    (ELV) cables are bound separately. ● Cable colors in this document are for reference only. 5.5.2 (Optional) Installing Signal Cables Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 92 Indoor supply air Fresh air exhaust alarm 2+ damper U (feedback) damper U (feedback) Common Reserved Indoor supply air Fresh air exhaust alarm 2– damper Y (control) damper Y (control) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 93 ● Do not lay out the water detection cable in an area prone to rainwater or water vapor. Otherwise, false alarms may be generated. Figure 5-17 Ports for a water sensor (rope-type) ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 94: Cable Routes

    ELV cable tray, to reduce the impact of electromagnetic interference on teamwork communication. Otherwise, teamwork networking may fail. 5.5.4.1 Preparing a Network Cable Step 1 Crimp a network cable. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 95: Can Teamwork + Rs485 Monitoring

    Figure 5-20 RS485 monitoring communications cable (4) Blue (5) White-and-blue ----End 5.5.4.2 CAN Teamwork + RS485 Monitoring Step 1 Connect teamwork and monitoring communications cables. Networking CAN Teamwork RS485 Monitoring Protocol Modbus-RTU Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 96 ● Connect the COM/FE port on the main control module of the last unit in each group to the RS485 port on the host. ● Customers can purchase an ECC and NetEco as the monitoring system. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 97: Can Teamwork + Fe Monitoring

    Settings screen of the display modules of the first and last units, set Enable teamwork CAN resistor to Yes. NO TE Customers can purchase a switch and NetEco as the monitoring system. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 98: Fe Teamwork + Rs485 Monitoring

    ● Connect the COM/FE port on the main control module of the last unit in each group to the RS485 port on the host. ● Customers can purchase an ECC and NetEco as the monitoring system. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 99: Fe Teamwork + Fe Monitoring

    Figure 5-24 FE teamwork group-based ring networking (using 13 units as an example) ----End 5.5.4.5 FE Teamwork + FE Monitoring First Connection Step 1 Connect teamwork and monitoring communications cables. Networking FE Teamwork FE Monitoring Protocol MAC_CAN Modbus-TCP/SNMP Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 100 FE_1 port of the next unit with an even number. Connect FE_2 of No. 1 unit and FE_1 of No. 2 unit, and connect the remaining FE_1 and FE_2 of the last two units. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 101: Installing Power Cables

    Step 3 Connect one end of the active and standby power cables to the active/standby power supply terminals/PE terminal through the cable holes in the electric control box of the unit, and connect the other end to the power supply. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 102: Installing An Air Deflector

    Figure 5-29 Fill the holes with sealing putty (1) Paper protective film (2) Sealing putty ----End 5.6 Installing an Air Deflector Procedure Step 1 Assemble an air deflector. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 103: Optional) Installing T/H Sensors Outside The Unit And Cables

    Step 1 Connect the indoor cold aisle T/H sensor and indoor supply air T/H sensor in series. Step 2 Connect the indoor hot aisle T/H sensor and indoor return air T/H sensor of the heat exchanger core in series. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 104 Cold aisle 1 temp/ aisle humid Cold aisle 2 temp/ humid Cold aisle 3 temp/ humid Cold aisle 4 temp/ humid Cold aisle 5 temp/ humid Cold aisle 6 temp/ humid Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 105: Optional) Installing Motorized Dampers And Cables

    Step 2 Install the cables. Connect one end of a cable to the X504 port, route the cable along the outside of the unit, and reserve the other end near the air damper actuator. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 106 Indoor return air damper Y (control) (control) Indoor supply air damper 24 V DC Indoor supply air damper GND Indoor supply air damper U (feedback) Indoor supply air damper Y (control) ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 107: Verifying The Installation

    The bolts for securing the compressor are □ Passed □ Failed tightened. Differen The pressure inlet tube is secured using cable □ Passed □ Failed tial ties and not deformed. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 108 A water trap or water seal has been installed on the □ Passed □ Failed condensate drainpipe. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 109 The condensate drainpipe does not tilt and has a gradient □ Passed □ Failed of 0.3‰. The butterfly drain valve on the spray pipe is closed. □ Passed □ Failed Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 110: Power-On Commissioning

    Step 2 Turn on the upstream power input switch of the unit. The display module turns on automatically. Step 3 After the initial power-on, the Quick Settings screen is displayed. Log in as user admin. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 111 Step 4 Set related parameters and tap Next until the home screen is displayed. Parameter Description Select Language Specifies the display language. Language Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 112 Teamwork function is set to Enable. Teamwork power limit Limits the power of the teamwork function group. NOTE This parameter is displayed after Teamwork function is set to Enable. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 113 Supply air damper ● Disable: The air damper function of the unit is disabled. ● AO Ctrl: Select AO Ctrl for AO-type air dampers. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 114 Ctrl is selected for Return air damper. Exhaust air damper ● Disable: The air damper function of the unit is disabled. ● AO Ctrl: Select AO Ctrl for AO-type air dampers. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 115 This parameter is displayed when Power limit function is set to Enable. This parameter ensures that the total operating power of the system is always below the preset value. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 116 Off, and is used together with DO_1. For details, see DO_1 description. DO_2 action This parameter can be set to On or Off, and is used together with DO_2. For details, see DO_2 description. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 117 ● If this parameter is set to Startup status, DO_1 acts according to DO_1 action when the unit is started. ● If this parameter is set to No, no alarm is generated when DO_1 is disconnected. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 118 ● Comp & Humid stopped: The compressor and humidifier are stopped when a floor water overflow alarm is generated. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 119 Humidity setpoint After the temperature and humidity control type and the humidity value under this type are set, the device performs regulation based on the settings. 40%–60% is recommended. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 120: Home Screen

    Running, Alarms and Settings. NO TICE The information in the screenshots is for reference only. The actual parameters prevail. Figure 7-2 Home screen Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 121 You can tap this icon to log in. ● indicates that you have logged in as an admin or operator user. You can tap this icon to log out. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 122: Initial Configuration

    Step 2 Set Cold aisle sensor 1 to Enable. Step 3 Set temperature and humidity parameters. NO TE You are not advised to modify the parameters that are not listed in the following table. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 123 Table 7-2 Setting example Temperature Setpoint Lower Limit of Upper Limit of (°C) Humidity Setpoint (% Humidity Setpoint (% 24.7 23.1 21.7 20.4 19.2 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 124 Upper Limit of (°C) Humidity Setpoint (% Humidity Setpoint (% 16.9 15.9 75.3 70.9 66.9 59.5 56.1 47.3 44.7 42.2 37.8 35.8 33.9 32.1 30.5 28.9 27.4 24.7 23.4 ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 125: Optional) Setting The Pressure Difference Control

    Teamwork group No.: Group the units in same aisle or adjacent areas as one, that is, assign one teamwork group number for them. At most four teamwork groups can be assigned (1–4). Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 126 Networking mode Specifies the networking mode for teamwork control. The networking mode selected on the screen must match the actual networking mode. Otherwise, the teamwork function is unavailable. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 127 Specifies the number of running units in this group. systems in this group The value is an integer ranging from 1 to the value of Number of systems in this group. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 128 24 time points in a day (0–23). Forced rotation Indicates whether to enable forced rotation regardless of the specified rotation time. After a forced rotation, the rotation period starts again. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 129 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 130 Step 4 On the home screen of the display module of any unit in the teamwork group, tap . If the teamwork networking succeeds, the teamwork topology of the unit in the group is displayed. Figure 7-5 Teamwork topology Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 131 If the teamwork networking is disabled, the teamwork icon is gray. ----End Follow-up Procedure After you have completed the teamwork settings, check that the teamwork networking is successful by performing the following steps: Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 132: Setting Communications Parameters

    Set this parameter based on the baud rate of the connected device. The baud rate must be the same as that on the NMS. The value can be 9600 or 19200. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 133: Setting Communications Parameters (Modbus-Tcp Protocol)

    NO TE The WAN IP address cannot be in the 192.168.245.X, 192.168.246.X, or 192.168.248.X network segment. Step 2 On the home screen, choose Settings > Comm Settings > Modbus Settings. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 134: Setting Communications Parameters (Snmp Protocol)

    This section is suitable only for SNMP. Skip this section if you use Modbus. ● Record the values entered in this section. They will be used when you connect a unit to a network management system (NMS). Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 135 MD5 and DES protocols are not secure. It is recommended that you set Auth Protocol to SHA2-512, and set Prop Protocol to AES-256. The following operations use the recommended settings as an example. Figure 7-9 Setting the protocol type Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 136 MIB file to the USB flash drive for the customer's use in accessing a third-party NMS. NO TICE Before using a USB flash drive, ensure that its data has been scanned by antivirus software and is secure. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 137: Startup

    If it is the first startup, tap Confirm. This indicates the initial startup after power-on. Go to Step 2 to perform the initial startup verification. Figure 7-10 Initial startup screen Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 138 After factory settings are restored, startup verification is required. Step 3 Tap Startup on the home screen of the app. Figure 7-13 Offline activation Step 4 Tap Offline Activation. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 139: Wizard Startup

    Tapping No or Exit, a submission timeout, and a system exception during commissioning all result in commissioning failures. To start the commissioning again, choose Maint > Wizard Startup to enter the Wizard Startup screen. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 140 – Tap Yes to start the system and commission components. – Tap No to exit the commissioning while keeping the system shut down. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 141: Optional) Power-Off

    In shutdown mode, the Shutdown button is green (unavailable) and the Start button is gray (available). Procedure Step 1 Tap Shutdown on the home screen of the display module. A warning is displayed, indicating whether to shut down the unit. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 142: Checking After Commissioning

    CAUTION If they are not closed, condensation, frost, and freezing may occur on the indoor circulation side of the unit. All maintenance doors are closed. □ Passed □ Failed Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 143: Webui

    COM/FE port on the unit. On the main screen of the unit, choose Settings > Comm Settings > WAN IP Settings, and set the IP address, subnet mask, and gateway for the unit. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 144 Click the Advanced tab and select Use TLS1.1 and Use TLS1.2. Figure 8-1 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 145 Figure 8-3 Security certificate problem On the login page, enter the preset user name admin and preset password Changeme, set the language, and click Log In. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 146: Introduction To The Webui

    ● Query and export fault information. ● Manage users, such as adding, modifying, deleting, locking, and unlocking users. ● Import and export configuration files to configure the unit quickly. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 147: System Maintenance

    Before entering the unit for maintenance, ensure that the fans are not running. ● Protective measures, such as wearing insulation gloves or shoes, must be taken during electrical maintenance. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 148: Routine Maintenance

    After the unit stops running in a cold area or winter, check that the return air damper/return air fire damper and supply air damper/supply air fire damper are closed, and drain all water in the circulating water system. 9.2.1 Monthly Maintenance Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 149 The indoor fan and exhaust Take out the foreign matter if the fan run smoothly. fan is blocked. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 150: Quarterly Maintenance

    (If no monitoring system is available, skip this item.) NOTE If the value of Spray pump running status is 0%, the spray pump is stopped. Otherwise, the pump is running. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 151: Yearly Maintenance

    Clean it once every quarter based modul on the region and season situation. 9.2.3 Yearly Maintenance Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 152 20,000 hours. Heat When replacing the precooling Contact technical support. exchange module, maintain the heat r core exchanger core to ensure the heat exchange efficiency. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 153: Troubleshooting

    Check the power supply voltage. does not power supply voltage rotate. meets the requirements. Open phase occurs. The voltage is less than the lower threshold or greater than the upper threshold. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 154 The air channel is Check whether the airflow is smooth insufficien blocked. (intake/exhaust air damper and air filter). The fan blade is blocked or polluted. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 155 Air filters are wear parts. ● Exercise caution when removing a dusty air filter from the metal frame to avoid polluting the smart cooling product and damaging the filtering materials. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 156 ● The drainpipe leaks or is blocked. ● Replace the drainpipe. The water pan The base is not properly Level the base. is not properly installed. drained. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 157 Clean the condenser fins. because the condenser is dirty or blocked. The exhaust fan is faulty. Check whether the exhaust fan works properly. The refrigerant is insufficient. Charge more refrigerant. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 158 Check the switch of the fan. start. turned off. The fan is damaged. Replace the fan. The interconnection Secure the interconnection terminals for the fans are not terminals. securely connected. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 159 When water flows out of the exhaust hole, reinstall and tighten the exhaust plug. NO TE If the fault persists, contact technical support. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 160: Alarm Reference

    FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual 11 Alarm Reference Alarm Reference FusionCol & NetCol Smart Cooling Product Alarm Reference . For details, see the Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 161: Component Replacement

    (6) Air supply fans (7) Compressor (8) Liquid level sensor (9) Filter dryer (10) Fan drive (11) Compressor drive (12) Precooling module (13) Exhaust fan (14) Water distributor for the precooling module Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 162: Component Position (Fdc Scenario)

    E Air filter Maintenance Platform. Procedure Step 1 On the home screen of the display module, tap Shutdown and turn off the device switch in the PDF. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 163 Figure 12-3 Replacing an air filter Step 3 Replace the outdoor intake air filter (side). Remove the air filter fasteners and take out the air filter. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 164 Figure 12-5 Replacing an air filter Step 5 Install a new air filter and secure it. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 165: Replacing An Air Filter (Fdc Scenario)

    Step 2 Replace the outdoor intake air filter. Remove the air filter fasteners and take out the air filter from the end. Figure 12-6 Replacing an air filter Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 166: Replacing A Differential Pressure Switch (Building Scenario)

    Scenario) Prerequisites ● A differential pressure switch needs to be replaced. ● A spare differential pressure switch of the same model is available and functional. ● Tool: Phillips screwdriver Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 167 Step 9 Power on the unit and tap Start on the home screen. Ensure that the unit is running normally without any alarms. ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 168: Replacing A Differential Pressure Switch (Fdc Scenario)

    Step 2 Remove the outdoor intake air filter. Step 3 Remove the bolts from the sheet metal, flip the plate, and remove the sheet metal and differential pressure switch. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 169 Step 8 Install the new differential pressure switch, install the pressure inlet tube, and connect cables. Step 9 Power on the unit and tap Start on the home screen. Ensure that the unit is running normally without any alarms. ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 170: Replacing A T/H Sensor (Building Scenario)

    T/H sensor. Figure 12-11 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 171: Replacing A T/H Sensor (Fdc Scenario)

    12.8 Replacing a T/H Sensor (FDC Scenario) Prerequisites ● A T/H sensor needs to be replaced. ● A spare T/H sensor of the same model is available and functional. ● Tools: Phillips screwdriver, scissors Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 172 T/H sensor, push the baffle plate, and remove the T/H sensor and the sheet metal fastener. Figure 12-13 Removing the T/H sensor sheet metal Figure 12-14 Removing a T/H sensor Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 173: Replacing An Air Exhaust Ntc Temperature Sensor (Building Scenario)

    12.9 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. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 174 Step 5 Remove the interconnection terminal from the cable of the NTC temperature sensor. Step 6 Install the new NTC temperature sensor, reconnect the cables, and secure the NTC temperature sensor in the original position. Step 7 Bind the cable ties. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 175: Replacing An Air Exhaust Ntc Temperature Sensor (Fdc Scenario)

    12.11 Replacing an Air Supply NTC Temperature Sensor Prerequisites ● An NTC temperature sensor needs to be replaced. ● A spare NTC temperature sensor of the same model is available and functional. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 176 Step 7 Power on the unit and tap Start on the home screen. Ensure that the unit is running normally without any alarms. ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 177: Replacing An Air Supply Fan

    Step 3 If you need to replace the fifth air supply fan, remove the maintenance door frame, post, and water pipe in front of the fan. NO TE Step is not required for replacing other fans. Figure 12-18 Removing the maintenance door frame Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 178 Figure 12-20 Removing the sheet metal that secures the fan Step 5 Remove the protective cover from the fan terminal, cut off the cable tie that secures the cable to the faulty fan, and remove the fan terminal. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 179 Figure 12-22 Removing a fan (1) Latch Step 8 Remove the six screws that secure the fan to the fan support to separate the fan from the fan support. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 180: Replacing An Exhaust Fan

    Exercise caution because the unit is still energized after it is shut down on the home screen of the display module. Step 2 Open the maintenance door and beam for the fan to be maintained. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 181 Press the latch and pull out the fan horizontally. NO TE Two persons are required to pull out the fan. Figure 12-24 Removing the fan assembly Step 6 Unscrew the fan support and take out the fan. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 182 Step 11 Choose Maint > Performance Maint on the home screen and clear the total runtime of the exhaust fan. Step 12 Tap Start on the home screen. Ensure that the unit is running normally without any alarms. ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 183: Replacing A Precooling Module

    Figure 12-27 Opening the maintenance door Step 3 Remove the sheet metal securing the water distributor of the precooling module and the water pipe, and replace the water distributor as required. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 184 Step 4 Remove the sheet metal securing the precooling module. Figure 12-29 Removing the sheet metal securing the precooling module Step 5 Pull out the precooling module horizontally by holding its handles. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 185: Replacing A Compressor

    Recommended tools and materials: Phillips screwdriver, two 45# adjustable wrenches, 45# and 50# torque wrenches, 13# and 30# solid wrenches or socket wrenches, new compressor, air filter, refrigerant reclaiming devices, refrigerant charging devices, and R410A refrigerant Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 186 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 187 NO TICE Do not hold the suction inlet and exhaust outlet to move the compressor. Figure 12-32 Removing a compressor Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 188: R410A Refrigerant

    Do not use low-quality refrigerant. The relevant party will be liable for any device damage caused by low-quality refrigerant. Verify that the refrigerant is authentic in the following ways: Dial the refrigerant vendor's hotline to confirm the refrigerant authenticity. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 189 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 190: Leakage Test With Nitrogen For Refrigerant Pipes

    Procedure Step 1 Inject nitrogen from the low-pressure needle valve and liquid pipe needle valve at the same time. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 191: Vacuumizing And Precharging Refrigerant

    During the commissioning of the smart cooling product, ensure that no comburent substance (such as air or additive) enters the smart cooling product system. The relevant party will be liable for any risks and losses caused due to violation. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 192: 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 193: Precharging Refrigerant

    Procedure Step 1 Take off the vacuum pump from the vacuumizing device, and replace the vacuum pump with a refrigerant cylinder. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 194 If the total refrigerant amount cannot be fully pre-charged, charge the remaining amount of refrigerant during power-on commissioning. Step 6 After the refrigerant is charged, close all pressure gauge valves and the refrigerant cylinder valve. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 195: Charging The Remaining Refrigerant

    Figure 12-37 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 196: Replacing A Filter Dryer

    Phillips screwdriver, nitrogen cylinder, refrigerant cylinder, vacuum pump, pressure gauge, rubber hose, protective gloves ● Preparation: Power off the unit and reclaim the refrigerant in the system. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 197 ● Do not use face-down bonding when welding. Figure 12-38 Removing the filter dryer Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 198: Replacing A Compressor Drive

    12.17 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 199 Step 7 Power on the unit, and choose Maint > Wizard Startup on the home screen. Start the compressor and check that the compressor works properly without any alarms. Check that the smart cooling product works properly before you exit. ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 200: Replacing A Fan Drive

    Step 4 Pull out the handle and remove the fan drive from the subrack. Figure 12-41 Removing the fan drive Step 5 Install the new fan drive and insert it into the corresponding slot in the power distribution subrack. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 201: Replacing A Liquid Level Sensor

    Step 3 Replace the liquid level sensor in the spray water tank. ● Open the water tank cover. ● Cut off the cable tie that secures the liquid level sensor cable, and remove the interconnection terminal. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 202 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 203: Replacing A Water Pump

    Before replacing the water pump, drain water from the water tank completely. Procedure Step 1 On the home screen of the display module, tap Shutdown and turn off the unit switch in the PDF. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 204: Replacing A Switch

    Step 6 Tap Start on the home screen. Ensure that the unit is running normally without any alarms. ----End 12.21 Replacing a Switch Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 205 Step 5 Install the new switch. Clamp the clip at the lower side of the new switch to the guide rail, push the switch upwards, and press the switch inwards. Step 6 Connect the cables again. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 206: Replacing A Contactor

    Step 3 Press the snap ring of the faulty contactor using a flat-head screwdriver and pull the contactor outwards to remove it. Figure 12-47 Removing a contactor NO TICE The figure is for reference only. The actual product may vary. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 207: Replacing An Spd

    Step 2 Open the door of the electric control box. Step 3 Pry the clip ring of the faulty SPD using a flat-head screwdriver, and remove the faulty SPD. Figure 12-48 Removing an SPD Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 208: Replacing A Fuse

    Step 5 Close the door of the electric control box. Step 6 Power on the unit and tap Start on the home screen. Ensure that the unit is running normally without any alarms. ----End 12.25 Replacing a Relay Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 209 Figure 12-49 Replacing a relay (1) Base (2) Coil (3) Clip ring (4) Metal plate Step 6 Install a new coil or base. Step 7 Close the door of the electric control box. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 210 User Manual 12 Component Replacement Step 8 Power on the unit and tap Start on the home screen. Ensure that the unit is running normally without any alarms. ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 211: Faq

    ● Before using a USB flash drive, ensure that its data has been scanned by antivirus software and is secure. Procedure Step 1 Connect a USB flash drive. Figure 13-1 Connecting to a USB flash drive Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 212: How Do I Export Data

    Step 3 After the data is successfully exported, tap Finish. Step 4 On the home screen, choose Maint > USB Operations > Remove USB to remove the USB flash drive in safe mode. ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 213: How Do I Import And Export A Configuration File

    Step 5 On the home screen of unit 2, choose Maint > USB Operations > Import Config. Figure 13-5 Selecting a file Step 6 Select the file package to be imported and tap Next. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 214: How Do I Import A Certificate And Key

    Ensure that the key file has been encrypted using AES128. Procedure Step 1 On the home screen, choose Maint > USB Operations > Import Certificate. Figure 13-7 Importing a security certificate Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 215: Display Module Screen Operations

    Step 1 On the home screen, choose Settings > Comm Settings > LAN IP Settings, and set LAN IP assigning mode to Manual. Set LAN IP address, LAN subnet mask, and LAN gateway based on the actual plan. Figure 13-8 LAN IP Settings Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 216: How Do I Check Temperature And Humidity Curves

    ● The temperature display range is from ±3°C to ±30°C of the temperature setpoint. ● The humidity display range is from ±5% to ±50% of the humidity setpoint. The displayed value varies according to units. The actual displayed value may vary. ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 217: How Do I View Logs

    On the home screen, choose Common Function > Operating Info. The Operating Info screen is displayed. ● On the home screen, choose Running > System Overview. The System Overview screen is displayed. ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 218: How Do I View Version Information

    Figure 13-10 Service Info screen ----End 13.2.8 How Do I Check Teamwork Control Information? Procedure Step 1 On the home screen, choose > to display the teamwork information of the current group. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 219: How Do I Mute Or Silence A Buzzer

    ● 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. Step 2 You can tap an alarm to go to the Details screen of the alarm. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 220: How Do I Clear Component Runtime

    Calibrate a sensor if the displayed temperature or humidity values on the sensor deviate from the actual values. For example, if the return air temperature measured by other precise temperature measurement units at the return air Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 221: How Do I Check The Display Of Normal Air Volume

    Step 3 Insert the negative pressure tube of the differential pressure gauge into the unit through the hole in the return air baffle plate of the fan for about 30 mm. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 222 ● 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 223: How Do I Check Whether Group Upgrade Is Supported In A Scenario

    You can only modify the password of the current user. Procedure Step 1 On the home screen, choose Settings > User Settings. The User Settings screen is displayed. Figure 13-15 User Settings screen Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 224: How Do I Set The Balance Of Water And Electricity Consumption

    Configurations of temperature and humidity alarms and main board settings for the air-cooled devices should comply with the following coupling relationships: ● Power supply underfrequency alarm threshold < Power supply overfrequency alarm threshold Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 225 Step 1 On the home screen, choose Settings > Alarm Settings > T/H Sensor. Figure 13-17 Setting alarm parameters Step 2 Tap the value next to the Threshold column of the Return air high temperature alarm. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 226: How Do I Commission A Component

    If the input speed is less than the minimum rotational speed, the indoor fan runs at the minimum rotational speed. Step 3 Check that the indoor fan works properly and no alarm is generated. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 227: How Do I Query The Setting Of A Parameter Before Change

    Modbus, SNMP, software upgrade, and fault information. There is no default user name. If necessary, add an operator account. Procedure Step 1 Change the login password. Log in to the WebUI as an administrator. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 228 Figure 13-21 Recertification Step 2 Add a WebUI user. Choose Maintenance > User Management. The user management page is displayed. Click Add. Enter information about the new user and click Confirm. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 229: How Do I Install A Network Security Certificate

    You need to apply to an organization authorized by the customer for a network security certificate and its key with the IP address or domain name. This section describes how to import the certificate and key. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 230: How Do I View Active Alarms And Historical Alarms

    Step 3 Export a configuration file. 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 231: How Do I Export Fault Information

    Step 2 Choose System Settings > IP Address and change the IP address, subnet mask, and default gateway information for the unit as planned. Step 3 Click Submit. ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 232: How Do I View Version Information

    Step 3 Choose Maintenance > Version Information and view the version information, software version, and BSP version. ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 233: A Cleaning The Unit

    Clear dust, rain marks, or stains on the exterior using a long-handled soft brush dipped with alkaline or neutral detergent. Wash the exterior with clean water. NO TE It is recommended that you clean the device once every quarter. ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 234: B Repainting The Unit

    NO TE Check the paint damage on the unit and prepare appropriate tools and materials. The number of materials depends on site requirements. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 235 Logo and pattern Seek help from the headquarters for a detailed painting damage solution. Frontline personnel can turn to local advertisement coating suppliers. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 236 Step 2 Dip a piece of cotton cloth into anhydrous alcohol and wipe the polished or damaged area to remove the dirt and dust. Then wipe off the alcohol with a clean and dry cotton cloth. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 237 Figure B-3 Painting zinc-rich primer Step 4 Apply two layers of paint on the damaged topcoat based on the damage degree of the paint using a spray bottle, brush, or painting gun. Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 238 Figure B-4 Manual paint spray Figure B-5 Repainting using a brush Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 239 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual B Repainting the Unit Figure B-6 Repainting using a painting gun ----End Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 240: C Cooling System Layout

    (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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 241: D Electrical Conceptual Diagrams

    FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual D Electrical Conceptual Diagrams Electrical Conceptual Diagrams Figure D-1 Electrical conceptual diagram 1 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 242 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual D Electrical Conceptual Diagrams Figure D-2 Electrical conceptual diagram 2 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 243 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual D Electrical Conceptual Diagrams Figure D-3 Electrical conceptual diagram 3 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 244 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual D Electrical Conceptual Diagrams Figure D-4 Electrical conceptual diagram 4 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 245 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual D Electrical Conceptual Diagrams Figure D-5 Electrical conceptual diagram 5 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 246 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual D Electrical Conceptual Diagrams Figure D-6 Electrical conceptual diagram 6 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 247 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual D Electrical Conceptual Diagrams Figure D-7 Electrical conceptual diagram 7 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 248 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual D Electrical Conceptual Diagrams Figure D-8 Electrical conceptual diagram 8 Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 249: E Air Filter Maintenance Platform

    FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual E Air filter Maintenance Platform Air filter Maintenance Platform Figure E-1 Air filter maintenance platform Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 250: F Physical Ports (Building Scenario)

    Physical Ports (Building Scenario) The following describes the ports reserved on the unit. F.1 Physical Ports of Air Vents Figure F-1 Dimensions of an indoor air supply vent (unit: mm) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 251 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual F Physical Ports (Building Scenario) Figure F-2 Dimensions of an outdoor air intake vent (unit: mm) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 252 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual F Physical Ports (Building Scenario) Figure F-3 Dimensions of an indoor air return vent (unit: mm) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 253 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual F Physical Ports (Building Scenario) Figure F-4 Dimensions of an outdoor air exhaust vent (unit: mm) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 254: Physical Ports Of Pipes

    User Manual F Physical Ports (Building Scenario) F.2 Physical Ports of Pipes Figure F-5 Dimensions of a water pipe (unit: mm) Figure F-6 Dimensions of a water pipe (unit: mm) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 255: Physical Ports Of Cables

    Figure F-8 Dimensions of cable holes on a power distribution box (bottom view, unit: mm) (1) Active power cable hole (2) Standby power cable hole (3) Reserved customer signal cable hole Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 256 AC1 input L2 AC1 input L3 Standby power AC2 input L1 supply AC2 input L2 AC2 input L3 Teamwork Monitoring system RS485/FE control/ Teamwork Monitoring/ External reserved ports Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 257 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 258: G Physical Ports (Fdc Scenario)

    Physical Ports (FDC Scenario) The following describes the ports reserved on the unit. G.1 Physical Ports of Air Vents Figure G-1 Dimensions of an indoor air supply vent (end) (unit: mm) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 259 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual G Physical Ports (FDC Scenario) Figure G-2 Dimensions of an indoor air return vent (end) (unit: mm) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 260 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual G Physical Ports (FDC Scenario) Figure G-3 Dimensions of an indoor air return vent (side) (unit: mm) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 261 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual G Physical Ports (FDC Scenario) Figure G-4 Dimensions of an outdoor air intake vent (end) (unit: mm) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 262 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual G Physical Ports (FDC Scenario) Figure G-5 Dimensions of an outdoor air exhaust vent (top) (unit: mm) Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 263: Physical Ports Of Pipes

    Figure G-6 Dimensions of an outdoor air exhaust vent (end) (unit: mm) G.2 Physical Ports of Pipes Figure G-7 Dimensions of a water refill pipe (side, unit: mm) (1) Water tank refill pipe Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 264 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 265: Physical Ports Of Cables

    Figure G-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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 266 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 267 Cooling System User Manual G 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 268: H Acronyms And Abbreviations

    H 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 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.
  • Page 269 FusionCol8000-E240 Modular Indirect Evaporative Cooling System User Manual H Acronyms and Abbreviations thin film transistor Universal Series Bus Issue 03 (2021-04-20) Copyright © Huawei Digital Power Technologies Co., Ltd.

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