Page 1 FusionCol8000-E400 Modular Indirect Evaporative Cooling System User Manual Issue Date 2022-06-30 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 potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results. NOTICE is used to address practices not related to personal injury. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 4 4.3.2 Concrete Platform Scenario. Updated 9.6 Replacing a Filter Dryer Compressor. Updated A Physical Ports. 2020-10-30 Added the section "Replacing an Outdoor Bag Air Filter." 2020-07-15 This issue is the first official release. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 5: Table Of Contents
4.1.1 Installation Precautions..............................30 4.1.2 Transportation Requirements............................31 4.1.3 Storage Requirements..............................31 4.1.4 Space Requirements................................. 31 4.2 Installation Preparations..............................32 4.2.1 Tools....................................... 32 4.2.2 Materials....................................35 4.2.2.1 Water Refill Pipe and Drainpipe..........................36 Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 6 6.4.2.3 Setting Communications Parameters (SNMP Protocol)................... 87 6.4.3 (Optional) Setting WiFi Parameters........................... 89 6.4.4 (Optional) Setting Teamwork Parameters........................90 6.5 Startup...................................... 96 6.6 Wizard Startup..................................99 6.7 (Optional) Power-Off................................101 6.8 Checking After Commissioning............................101 Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 7 9.15 Replacing a Fuse................................151 9.16 Replacing a Thermal Relay............................152 9.17 Replacing a T/H Sensor..............................152 9.18 Replacing a Wet Film Humidifier..........................154 10 FAQ............................156 10.1 Operations with a USB Flash Drive..........................156 Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 8 A Physical Ports........................181 B Water Seal Specifications....................182 C Cleaning the Unit........................184 D Repainting the Unit......................185 E Cooling Component Layout....................191 F Electric Diagrams........................ 192 G Acronyms and Abbreviations................... 200 Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 9: 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 10 ● 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 11 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 12: 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 13 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 14: 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 15 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 16: 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 17 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 18: 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 19: 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 20: Product Description
4: 380–415 V, 3 PH, 50/60 Hz 2.2 Product Composition The FusionCol8000-E400 modular indirect evaporative cooling system has two models: left-open and right-open. The operation methods are similar for them. The figures in this document use the right-open model as an example.
Page 21 (6) No. 3 maintenance (7) Spray water refill (8) Spray drainpipe door door pipe (9) Condensate (10) No. 4 (11) No. 5 (12) Indoor air return drainpipe maintenance door maintenance door vent Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 22 ● EC fan – 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 23 ● High-efficiency heat exchanger core – A Huawei-developed efficient heat exchanger core is used. The heat exchanger core adopts the patented flow design, which improves efficiency and reduces wind resistance. –...
Page 24: Display Module
2.3 Display Module Appearance The display module provides a 7-inch true-color touchscreen that provides man- machine interfaces for query, setting, management, and maintenance. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 25 Description Single unit Each unit has an independent control system to ensure normal control and high-precision operation. Operations Users can set parameters and query status on the 7-inch true- color touchscreen. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 26 O&M personnel can view the operating status of the device onsite. Access logs can be backtracked. Up to 1000 historical operation backtracking logs recording login and setting can be stored. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 27: Main Control Module
(incorrect commands) and rejects them automatically. 2.4 Main Control Module Appearance Figure 2-5 Main control module (1) Running indicator (2) Alarm indicator (3) FE_1 port (4) CAN_IN port (5) RS485/12V port (6) USB port Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 28 RS485 T– RS485 FE TX– (–) HT– PIN3 FE RX+ FE RX+ PIN4 RS485 R+ RS485 RS485+ PIN5 RS485 R– RS485 RS485– HT– PIN6 FE RX– FE RX– PIN7 CANH PIN8 CANL Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 29: Working Modes
Exercise caution because a risky operation may affect system data. 2.5 Working Modes Table 2-2 Cooling mode Cooling Mode Water Compressor Status Pump Status Status Dry mode (fan) Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 30: Physical Ports
1480 mm x 3190 mm intake vent Outdoor air 1480 mm x 3190 mm exhaust vent Indoor air 3000 mm x 1650 mm return vent Indoor air 1670 mm x 3190 mm supply vent Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 31: Electrical Ports
(20) Fuse (reserved) (21) Intermediate contactor (reserved) (22) Control contactor KM4 (23) SPD and voltage detection (24) Crankcase heater relay board FV1/2 K1/2/3 (25) Reserved (26) Reserved (27) Compressor drive switches (QF13–QF15) Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 32 (X501–X504) (X201 and X202) User Wiring Terminals Figure 2-8 Signal cable terminal (using X501 as an example) NO TE The preceding figure shows the arrangement of signal terminals X502 and X504. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 33 Common alarm 1– Fresh air damper Y Indoor supply air (control) damper GND Common alarm 2+ Reserved Indoor supply air damper U (feedback) Common alarm 2– Reserved Indoor supply air damper Y (control) Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 34: Product Specifications
● Exhaust fan: 8 ● Indoor fan: 8 Fan type Outdoor cold air volume 100,000 m Humidification capacity (kg/h) Heat exchanger core type Plate Net weight (kg) 10000 Running weight (kg) 11000 Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 35: Operating Environment Specifications
Servers are evenly deployed, and the difference between the intake nts for and exhaust air temperatures of the servers is greater than or servers in equal to 10°C equipment room Storage –40°C to +70°C temperatu Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 37 (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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 38: System Installation
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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 39: Transportation Requirements
● Do not stack whole units together. 4.1.4 Space Requirements Install the unit strictly according to the design drawing and reserve space for maintenance and ventilation. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 40: Installation Preparations
Figure 4-2 Maintenance space (not combined) (unit: mm) (1) Wall (2) Indoor air supply vent (3) Electric control box (end) 4.2 Installation Preparations 4.2.1 Tools The onsite technical personnel can select tools based on the site requirements. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 41 Installation Crane Lifting rope Hoisting rope Jack Level gauge Level Vacuum cleaner Ink fountain Long soft Lever (bearing measuring tape capacity ≥ 400 General Measuring tape Square Marker Hammer drill Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 42 Diagonal pliers 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) Alcohol Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 43: Materials
Table 4-1 Material description Item Description Type Standard This type of materials is Materials in the packing list material delivered with the unit and can be obtained from the fittings bag. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 45: Installing The Equipment
Step 2 Check whether the exterior of the unit is in good condition and free of collision marks or scratches. If any damage is found, notify the carrier immediately. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 46: Concrete Platform Scenario
Keep the equipment stable and horizontal during hoisting, and ensure that the diagonal gradient of the equipment is within 5 degrees. Lift and land equipment slowly to prevent shock to equipment inside it. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 47 15 mm Color Black Dimensions 210 mm x 210 mm Procedure Step 1 Prepare a concrete platform by referring to the following figures. Figure 4-3 Concrete platform for separate installation (unit: mm) Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 48 Step 4 Place the shock absorption pads at the corresponding positions of corner fittings on the concrete platforms. Step 5 Adjust the equipment in the required direction, connect the steel hoisting ropes, and hoist the equipment onto the concrete platforms. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 49 In the combined installation scenario, when hoisting the equipment, place the hook on the inside of the equipment to prevent the hook from being stuck between the equipment. Step 6 Secure the equipment to the concrete platform using the right angle brackets. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 50 Maintenance door Open and close each All doors can be door once. smoothly opened and closed. Aerial work platform Observe. The aerial work platform is prepared based on site requirements. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 51: Checking The Refrigerant
4.3.4 Installing an Equipotential Ground Cable or Ground Lug ● The equipment can be grounded using either ground lugs or ground cables. ● The unit has two equipotential ground points. Select the nearest equipotential ground point. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 52: Installing Air Ducts
● The external surfaces of air ducts, flexible connections, and air dampers should be mounted with a thermal insulation foam of at least 30 mm thick Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 53: Installing A Supply Air Duct
● The joint between the air duct and the air vent must be sealed to prevent air and water leakage. After installing the air duct, apply sealant to the air vent. Figure 4-10 Installing the supply air duct ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 54: Installing A Return Air Duct
Figure 4-11 Installing a return air duct NO TE The air duct must be wrapped with thermal insulation foam, and the thickness of the thermal insulation foam must be greater than or equal to 3 cm. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 55: Removing The Transport Fasteners And Protective Covers
Step 3 Tighten the bolts securing the compressor using a torque wrench. Step 4 Open the maintenance door, and take out the desiccant bags from the device. Figure 4-13 Position of the desiccants Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 56 Step 6 Open the maintenance door, push the return air filter upward obliquely, and remove the air filter from the slot. Figure 4-15 Removing a return air filter Step 7 Remove the air filter cover and secure the air filter. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 57: Installing Pipes
● After installing water pipes, install supports to secure the pipes. ● The drainpipe should have a downward gradient of at least 5‰ in the drainage direction to ensure smooth drainage. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 58 5°. Step 2 Install the condensate drainpipe and spray drainpipe at the other end of the water seal, and install the spray water refill pipe. Figure 4-17 Installing a water pipe Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 59: Connecting Cables
● For details about the maximum current, see the equipment nameplate. ● Ensure that the voltage and frequency of the primary power supply meet the requirements. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 61 (as shown in the two holes in the preceding figure). You can obtain sealing putty from the fittings bag. The following figure shows how to fill a gap using sealing putty. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 62: Optional) Connecting Signal Cables
Signal cables must be routed through protective tubes for protection. The equipment can be connected to a smoke sensor, remote startup/shutdown signal, common alarm signal, and water sensor. The following operations use connecting a water sensor as an example. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 63 Otherwise, false alarms may be generated. ● Do not lay out the water detection cable in an area prone to rainwater or water vapor. Otherwise, false alarms may be generated. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 64: Installing Air Dampers
Step 2 Connect cables to the air dampers. Route the cables through the signal cable holes at the bottom of the unit and connect them to the signal terminal X504 of the electric control box (ELV). Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 65 FusionCol8000-E400 Modular Indirect Evaporative Cooling System User Manual 4 System Installation Figure 4-24 Air damper connection (1) Air damper (2) Air damper actuator (3) Signal terminal Figure 4-25 Terminal connection ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 66: Optional) Installing Teamwork And Monitoring Communications Cables
Step 1 Crimp a network cable. Figure 4-26 Teamwork communications cable and FE monitoring communications cable (1) White-and-orange (2) Orange (3) White-and-green (4) Blue (5) White-and-blue (6) Green (7) White-and-brown (8) Brown Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 67: Independent Networking
≤ 4), set recommended: RS485 monitoring grouping to Enable on the Modbus Settings screen for the unit with the COM/FE port connected. Retain the default setting (Disable) for other units. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 68: 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 69: Mac_Can 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 70: Mac_Can Teamwork + Fe Monitoring
4.5.5.2.4 MAC_CAN Teamwork + FE Monitoring Step 1 Connect teamwork and monitoring communications cables. Networking MAC_CAN Teamwork FE Monitoring Protocol MAC_CAN Modbus-TCP/SNMP Description A teamwork network supports a maximum of 16 units. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 71: Optional) Installing The T/H Sensors Outside The Unit
The sensors must not face the air outlet of the unit. Procedure Step 1 Connect the cable of any T/H sensor outside the unit to the RS485/12V port on the main control module. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 73 Hot aisle 1 temp/ aisle humid Hot aisle 2 temp/ humid Hot aisle 3 temp/ humid Hot aisle 4 temp/ humid Hot aisle 5 temp/ humid Hot aisle 6 temp/ humid Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 74: Optional) Installing A Rainproof Canopy
4-36. Step 5 Use six M10x25 screws to secure the 3# and 4# rainproof canopies to the beam above the outdoor air intake vent, as shown by (2) in Figure 4-36. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 75 FusionCol8000-E400 Modular Indirect Evaporative Cooling System User Manual 4 System Installation Figure 4-36 Installing a rainproof canopy ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 76: 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 78 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 79: Power-On And Commissioning
Step 5 If the cabinet is connected to the temperature and humidity sensor, check that the cable connection and DIP switch settings are correct. ----End 6.2 Power-On CA UTION When powering on the unit, ensure that the ambient temperature is –20°C or above. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 80 Figure 6-1 Initial power-on Table 6-1 Preset passwords System User Preset Password Permission Description admin 000001 Can set all the menus. (administrator) operator (common 000001 Can only view parameters and set user) some parameters. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 81 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 83 System power limit 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 84 Off, and is used together with DO_1. For details, see DO_1 description. DO_2 action This parameter can be set to On or Off, and is used together with DO_2. For details, see DO_2 description. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 85 ● If this parameter is set to Startup status, DO_1 acts according to DO_1 action when the unit is started. ● If this parameter is set to No, no alarm is generated when DO_1 is disconnected. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 86 ● Humidifier stopped: Only the humidifier is stopped when a floor water overflow alarm is generated. ● Comp & Humid stopped: The compressor and humidifier are stopped when a floor water overflow alarm is generated. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 87 ● Hot aisle: 18–45°C recommended 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 88: 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. Figure 6-2 Home screen Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 89 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 90: Initial Configuration
● This section describes how to enable Cold aisle sensor 1. Procedure Step 1 On the home screen, choose Settings > System Settings > T/H Sensor. Figure 6-3 T/H Sensor Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 91 80% RH], ensure that the absolute humidity range is [0.0026, 0.0141] when you set the temperature setpoint and humidity setpoint. Table 6-2 Setting example Temperature Setpoint Lower Limit of Upper Limit of (°C) Humidity Setpoint (% Humidity Setpoint (% 24.7 23.1 Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 92 Upper Limit of (°C) Humidity Setpoint (% Humidity Setpoint (% 21.7 20.4 19.2 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 Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 93: Setting Communications Parameters
Enable for the unit with the COM/FE port connected, and Disable for other units. ----End 6.4.2.2 Setting Communications Parameters (Modbus-TCP Protocol) Context This section applies to the scenario where the unit is connected to the NMS. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 94 Enter the actual IP address of the NMS. The IP addresses of the display board, client NMS, and server NMS must be unique. This parameter is configurable when Link mode involves Client. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 95: Setting Communications Parameters (Snmp Protocol)
When SNMP Version is set to ALL or SNMPv1&v2c, you can set Read Community and Write Community. ● When SNMP Version is set to ALL or SNMPv3, you can add an SNMPv3 user. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 96 Step 5 Tap the text box next to SNMP Port, set SNMP Port based on the actual port number, and tap Submit. NO TE SNMP Port is set to 161 by default. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 97: Optional) Setting Wifi Parameters
After the WiFi module of the USB port is connected to the USB port on the main control module of the unit, WIFI Settings can be set. Procedure Step 1 On the home screen, choose Settings > Comm Settings > WIFI Settings. Figure 6-8 WIFI Setting Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 98: Optional) Setting Teamwork Parameters
The parameters in this section are for reference only. Set practical parameter values as required. Procedure Step 1 On the home screen, tap > Teamwork Settings to enter the Teamwork Settings screen. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 99 No: The teamwork control CAN resistor is disabled for the unit. Teamwork function Specifies the planned teamwork group number. This parameter should be the same for all units in the same teamwork group. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 100 Rotation period Number of days for rotation (1–30). Rotation time Specifies the start time of rotation for the active and standby units. 24 time points in a day (0–23). Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 102 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 6-10 Teamwork topology Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 103 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 104: Startup
If so, the pipe leaks. You need to rectify the leakage and refill refrigerant onsite to ensure that the unit runs properly. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 105 The QR code shown in the preceding figure is used for scanning on the mobile app. ● If it is not the initial startup, tap Confirm to start the unit. Figure 6-13 Startup Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 106 Step 6 Tap Password on the screen of the unit and enter the generated startup password in the displayed dialog box. Step 7 After startup, the system automatically enters the wizard-based startup mode. ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 107: Wizard Startup
● For a non-initial wizard-based startup, you can choose Last Record to view the last wizard-based startup report. Step 3 Tap Yes to read the check items on the screen and confirm whether each item is verified. After finishing the check: Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 108 Click the link at "Commissioning failed" to view the failure cause, tap Back and Confirm, and troubleshoot based on the failure cause. On the home screen, choose Maint > Wizard Startup and perform commissioning again. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 109: Optional) Power-Off
The air filter is correctly installed according to the airflow □ Passed □ Failed direction marked on the frame. The condensate water is drained smoothly from the water □ Passed □ Failed pan in the maintenance door. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 110 □ Passed □ Failed air damper/supply air fire damper are closed. CAUTION If they are not closed, condensation, frost, and freezing may occur on the indoor circulation side of the unit. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 111: Webui
COM/FE port on the unit. On the main screen of the unit, choose Settings > Comm Settings > WAN IP Settings, and set the IP address, subnet mask, and gateway for the unit. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 112 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 113 Figure 7-3 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 114: Introduction To The Webui
● Query the version and e-labels. ● 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 115: System Operation And 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 116: Routine Maintenance
It is recommended that the following maintenance items be performed once a year. – Check electrical cable connections. – Check whether the shell of the smart cooling product is damaged or corroded. If yes, clean the shell and take anti-corrosion measures. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 117: Monthly Maintenance
The compressor is secured. Tighten screws if the compressor is not secured. There is no oil stain on the Clean the oil stains. suction and discharge welding joints of the compressor. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 118 Heat Check whether the heat If the heat exchanger core is exchanger exchanger core is damaged. seriously damaged, replace it. core Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 122 If the problem persists, contact technical support. Pump Enter the diagnostic mode, Seal the pipes again. start the water pump, and check whether the water pump is leaking. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 123: Troubleshooting
20,000 hours. Figure 8-1 Water pump drain valve and exhaust plug (1) Drain valve (2) Exhaust plug (3) Water pump drain port 8.3 Troubleshooting Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 124 Clear foreign matters if necessary. of the motor is The fan blade is blocked or dirty. triggered (the motor is overheated). Check the air inlet temperature. Check the voltage. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 125 The pressure loss is Check the selected fan. different from the designed value. Vibration Imbalance Check whether the fan blades are damaged, polluted, or frozen. Abnormal Bearing damage or Replace the bearing. noise wear Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 126 Perform routine check on all electrical components and safety devices. ● Periodically check valves that control the flow of media. ● Check whether the grounding devices of the electric devices are complete and functional. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 127 The fan is not The fan bearing is worn out. Repair or replace the bearing. properly The fan blade is interfered Adjust the fan blade. running. with the shell. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 128 Heat dissipation is poor Clean the condenser fins. because the condenser is dirty or blocked. The exhaust fan fails. Check whether the exhaust fan works properly. The refrigerant is insufficient. Charge more refrigerant. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 129 When the water pump is running, loosen the exhaust plug of the water pump. When water flows out of the exhaust hole, reinstall and tighten the exhaust plug. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 130: Alarm Reference
FusionCol8000-E400 Modular Indirect Evaporative Cooling System User Manual 8 System Operation and Maintenance 8.4 Alarm Reference FusionCol & NetCol Smart Cooling Product Alarm Reference . For details, see the Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 131: Parts Replacement
PDF. Step 2 Open the maintenance door. Step 3 Push the return air filter upward obliquely, and remove the air filter from the slot. Figure 9-1 Removing the air filter Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 132: Replacing An Outdoor Bag Air Filter
Step 2 Open the maintenance door and enter the outdoor air intake compartment. Step 3 Push the bag air filter upward obliquely, and remove the air filter from the slot. Figure 9-2 Removing the bag air filter Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 133: Replacing An Outdoor Exhaust Fan
Step 3 Cut the cable tie that binds the cable connected to the faulty fan, and remove the fan terminal. Step 4 Remove screws from the fan support, and pull them out. Figure 9-3 Removing the screws from the fan support Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 134: Replacing An Indoor Air Supply Fan
Step 1 On the home screen of the display module, tap Shutdown to turn off the switch of the air supply fan. CA UTION Ensure that the fan switch is turned off before you proceed with the procedure. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 135 Step 6 Remove the four screws from the rear of the fan support and pull out the fan and rear support. Remove the six screws from the fan support and fan to separate the fan support from the fan. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 136: Replacing A Differential Pressure Switch
The differential pressure switch needs to be maintained from the outdoor air intake compartment and indoor air return compartment. Procedure Step 1 On the home screen of the display module, tap Shutdown and turn off the device switch in the PDF. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 137 Step 5 Install a new differential pressure switch, install the pressure inlet tube, and connect cables. Step 6 Power on the device and tap Start on the home screen. Ensure that the device is running normally without any alarms. ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 138: Replacing A Filter Dryer And Compressor
Step 2 Reclaim the refrigerant from the low pressure needle valve and liquid pipe needle valve to ensure that there is no pressure inside the system. Step 3 Remove the filter dryer. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 139 ● Do not use face-down bonding when welding. Remove the rubber plug from the port of the filter dryer. Install the filter dryer in the unit and weld copper pipes at both ends. Reinstall the hold hoop. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 140: Replacing A Compressor
● Do not tilt the compressor during replacement to prevent lubricant leakage. ● Install a new compressor immediately after you remove the rubber plugs of suction and discharge vents to prevent the moisture intake. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 141 Use a welding torch to separate the welding points for the suction and discharge pipes from the compressor. After the separation, seal the discharge vent immediately. Figure 9-11 Removing a compressor Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 142 Step 8 Weld the suction and discharge welding joints to the compressor using a welding torch. Step 9 Install the electric heating belt and reinstall the cover after connecting the compressor cables. Step 10 Remove the filter dryer and install a new one. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 143: R410A Refrigerant
9-1. If the deviation between the saturation pressure and the measured internal pressure is greater than 0.2 MPa, the refrigerant does not meet the requirements and needs to be replaced. Figure 9-13 Refrigerant detection Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 144 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 1.09 1.89 3.04 1.12 1.94 3.11 1.16 1.99 3.19 1.19 2.04 3.26 1.23 3.34 1.27 2.15 – – Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 145: Leakage Test With Nitrogen For Refrigerant Pipes
Step 3 If the pressure decreases, apply soapy water or use a halogen leak detector to check for any leakage. If the pressure is stable, expel the nitrogen. ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 146: Vacuumizing And Precharging Refrigerant
● System high pressure may occur if the system is not vacuumed or is not thoroughly vacuumed. Therefore, ensure that the system is thoroughly vacuumed. Procedure Step 1 Connect the pressure gauge and vacuum pump to vacuumize the device. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 147: Precharging Refrigerant
1 hour. Then check that the pressure does not rise evidently. ----End 9.6.5.3 Precharging Refrigerant Prerequisites Before charging refrigerant, ensure that air is exhausted from the pipe connected to the refrigerant cylinder. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 148 Tighten the nut when cold air escapes out of the nut. Step 3 Put the refrigerant cylinder upside down on the electronic balance. Clear the reading on the balance. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 149: Charging The Remaining Refrigerant
Step 3 Change the compressor rotational speed to 3000 rpm. Step 4 Open the low pressure valve of the pressure gauge, and charge the remaining refrigerant from the low pressure needle valve in small flow or intermittently. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 150: Replacing A Compressor Drive
9.7 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 151 Step 4 Remove the four screws on the drive using a Phillips screwdriver, and pull out the driver. Figure 9-16 Removing a drive Step 5 Install the new drive. Step 6 Connect the new drive cables. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 152: Replacing An Exhaust Fan Drive
Step 3 Remove the exhaust fan drive. Flip the clip on the fan drive to be replaced. Pull out the handle and remove the fan drive from the subrack. Figure 9-17 Removing an exhaust fan drive Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 153: Replacing A Supply Fan Drive
Remove the sheet metal in front of the fan drive to be replaced. ● Flip the clip on the fan drive to be replaced. ● Pull out the handle and remove the fan drive from the subrack. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 154: Replacing A Float
A float needs to be replaced. ● A spare float of the same model is available and functional. ● Tool: solid wrench Context The float needs to be maintained from the water pan position. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 155 Step 8 Install the water tank air filter. Step 9 Power on the device and tap Start on the home screen. Ensure that the device is running normally without any alarms. Step 10 Close the maintenance door. ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 156: Replacing A Water Pump
Step 3 Remove the water pump. Remove the inlet and outlet pipes of the water pump. Figure 9-20 Removing the inlet and outlet pipes (1) Cover of the power cable box Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 157: Replacing A Switch
Step 6 Install the end fastener and reconnect the cables to the switch. Step 7 Close the door of the electric control box. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 158: Replacing A Contactor
A spare SPD 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 159: Replacing A Fuse
Step 5 Close the door of the electric control box. Step 6 Power on the device and tap Start on the home screen. Ensure that the device is running normally without any alarms. ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 160: Replacing A Thermal Relay
The equipment has two T/H sensors, located on the outdoor air inlet side and the indoor return air side. This chapter takes the replacement of the outdoor air intake T/H sensor as an example to introduce the replacement method. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 161 Step 2 Remove the T/H sensor. Remove the cover on the T/H sensor. Disconnect the cable from the T/H sensor. Slide and remove the T/H sensor. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 162: Replacing A Wet Film Humidifier
Step 2 Open the maintenance door and enter the device. Step 3 Remove the water inlet pipe from the wet film humidifier. Step 4 Remove the sheet metal using a Phillips screwdriver and take out the above sheet metals. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 163 Step 8 On the home screen, choose Maint > Performance Maint to enter the Performance Maint screen, and clear the runtime of the wet film humidifier. Step 9 Choose Settings > System Settings > System Control > Humidifying function > Enable. ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 164: 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 10-1 Connecting to a USB flash drive Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 165: 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 166: 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 10-5 Selecting a file Step 6 Select the file package to be imported and tap Next. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 167: 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 10-7 Importing a security certificate Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 168: Display Module Screen Operations
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 10-8 T/H Curve screen Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 169: How Do I View Logs
Running > Status Summary. ● View on Equip Details: The following describes how to view the status of a T/H sensor. On the home screen, choose Running > Equip Details > T/H Sensor. ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 170: How Do I View System Parameters
10.2.6 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 10-9 Service Info screen ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 171: 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 172: How Do I Clear Component Runtime
10.2.11 How Do I Calibrate a T/H Sensor? Context 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 Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 173: How Do I Check The Display Of Normal Air Volume
If the distance for drilling holes is not 4.5 m, adjust it to be close to 4.5 m based on the actual installation scenario. Step 6 Start the unit, set the indoor fan speed to the maximum value, and read the pressure measured at the positive pressure point. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 174 Step 9 Log in to the WebUI as user admin, choose Settings > System Settings > System Control > Advanced, and set Static pressure. Step 10 Choose Running > Status Summary and view the value of air volume. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 175: How Do I Change The Password
Examples of low complexity passwords: H#uawei123, Password and openasadminAdmin23@#. Step 2 Tap Password to access the password change screen and change the password. ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 176: How Do I Set Alarm Parameters
NO TICE Be careful when configuring alarm parameters. Only professional maintenance personnel can change alarm settings. Procedure Step 1 On the home screen, choose Settings > Alarm Settings > T/H Sensor. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 177: 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 178: Which Parameters Will Restore To Default Values After Default Settings Are Restored
To prevent key data from being lost, you are recommended to record all parameter values or back up data with export configurations before restoring defaults. Then change the parameter values back to the recorded values after restoring defaults. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 179: How Do I Export Data
USB flash drive. Procedure Step 1 Tap Maint > USB Operations > Export to enter the Select Path screen, as shown Figure 10-16. Figure 10-16 Select Path screen Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 180: How Do I Export Or Import A Configuration File
2. Procedure Step 1 Tap Maint > USB Operations > Export on the screen of smart cooling product 1 to enter the Select Path screen. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 181 2, enter the password for importing files in the Export/Import password text box. Figure 10-20 Selecting a file Step 6 Select the file that needs to be imported and tap Next. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 182 Step 7 After you tap Confirm and Next. Figure 10-22 Data process 1 Figure 10-23 Data process 2 Step 8 After the file is imported successfully, then tap Finish. Figure 10-24 File imported successfully Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 183: How Do I Import A Certificate And Key
Step 4 Select the CA certificate file to be imported. Step 5 Upload the local certificate file and the key file in turn in the same way. Step 6 Enter Key password and Confirm key password. Step 7 Tap Submit. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 184: Webui Operations
Log in to the WebUI as an administrator. 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 click Confirm. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 185 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. Figure 10-28 User Management Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 186: How Do I Install A Network Security Certificate
If the network security certificate is encrypted, select If an encrypted private key is imported, enter the password for decryption, and specify Key Password and Confirm Key Password. Click Submit in the Network Security Certificate area. ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 187: How Do I View Active Alarms And Historical Alarms
Select the configuration file to be imported, and click Upload. ----End 10.3.5 How Do I Export Fault Information? Procedure Step 1 Log in to the WebUI of the unit as an administrator. Step 2 Choose Maintenance > Fault Information. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 188: How Do I Change An Ip Address
Step 3 Choose Maintenance > Version Information and view the version information, software version, and BSP version. ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 189: A Physical Ports
FusionCol8000-E400 Modular Indirect Evaporative Cooling System User Manual A Physical Ports Physical Ports Figure A-1 Physical ports Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 190: B Water Seal Specifications
FusionCol8000-E400 Modular Indirect Evaporative Cooling System User Manual B Water Seal Specifications Water Seal Specifications Figure B-1 Condensate drainpipe water seal Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 191 FusionCol8000-E400 Modular Indirect Evaporative Cooling System User Manual B Water Seal Specifications Figure B-2 Spray drainpipe water seal Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 192: C 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 193: D Repainting The Unit
The exterior of the unit should be intact. If the surface is bumped, scratched, or rusted, the paint should be repaired. NO TE Check the paint damage on the unit and prepare appropriate tools and materials. The number of materials depends on site requirements. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 194 60 minutes before performing any further operation. Logo and pattern Seek help from the headquarters for a detailed painting damage solution. Frontline personnel can turn to local advertisement coating suppliers. Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 195 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 196 Figure D-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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 197 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 D-4 Manual paint spray Figure D-5 Repainting using a brush Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 198 FusionCol8000-E400 Modular Indirect Evaporative Cooling System User Manual D Repainting the Unit Figure D-6 Repainting using a painting gun ----End Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 199: E Cooling Component Layout
(10) Filter dryer (11) Sight glass (12) Electronic expansion valve (13) Evaporator (14) Suction pressure sensor (15) Suction temperature sensor (16) Low-pressure needle valve (17) Shock-absorbing corrugated pipe for the suction pipe Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 200: F Electric Diagrams
FusionCol8000-E400 Modular Indirect Evaporative Cooling System User Manual F Electric Diagrams Electric Diagrams Figure F-1 Electric diagram Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 208: G Acronyms And Abbreviations
User Manual G 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 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.
Page 209 FusionCol8000-E400 Modular Indirect Evaporative Cooling System User Manual G Acronyms and Abbreviations thin film transistor Universal Serial Bus Issue 04 (2022-06-30) Copyright © Huawei Technologies Co., Ltd.

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