Page 1 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) Issue Date 2023-09-13 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
● The current software version is FusionCol8000E V500R023C00SPC100. Parameters may be added, deleted, or updated based on the software version. ● 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 left-open model as an example.
Page 4: Symbol Conventions
"Securing a Unit." ● Deleted the description about the conductivity sensor and air filter differential pressure sensor in section "Installing Optional Components." 2022-10-31 This issue is the first official release. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 5: Table Of Contents
6.2 Determining the Pipe Route..............................38 6.3 Connecting Pipes Outside the Unit..........................39 6.4 (Optional) Reconstructing the Unit for Bottom Pipe Routing................40 7 Installing Optional Components..................43 7.1 Installation Positions................................43 Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 6 12.5 Setting Parameters................................118 12.5.1 Setting T/H Sensor Parameters..........................118 12.5.2 Setting the Collaborative Working Mode for Compressors................120 12.5.3 (Optional) Setting the Pressure Difference Control..................121 12.5.4 (Optional) Setting Teamwork Parameters......................123 Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 7 13.1.2 Steel Base Platform Drawings..........................148 13.1.3 Steel Beam Platform Drawings..........................153 13.2 Physical Port Drawing..............................156 13.3 Rainproof Canopy and Eave Installation Drawings....................157 13.4 Air Cap Installation Drawing............................165 Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 8: Installation Requirements
1.2 Storage Requirements ● Before installing the unit, place it in a dry, rainproof, fireproof, and anticorrosive environment. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 9: Environmental Requirements
Transportation passage Width: > 4500 mm, height: > 5300 mm Foundation Bearing capacity of each support point: > 2100 kg (six support points) Equivalent uniformly distributed load: ≥ 620 kg/m Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 10: Space Requirements
Note: If the requirements are not met, contact technical support for an optimized solution. 1.4 Space Requirements Install the unit strictly according to the design drawing and reserve space for maintenance and ventilation. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 11 (2) Air supply vent side (3) Electric control box side Figure 1-2 Maintenance space (combined) (unit: mm) (1) Wall (2) Air supply vent side (3) Electric control box side Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 12: Installation Preparations
The onsite technical personnel can select tools based on the site requirements. Personal Protective Equipment Safety helmet Goggles Dust mask Protective shoes Reflective vest ESD gloves Insulated gloves Protective gloves Safety harness Safety belt Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 13 Electric forklift Lever Hook rod Hardware Installation Tools Flat-head Phillips insulated Insulated torque Open-end wrench insulated torque torque socket wrench (10 mm/13 screwdriver screwdriver (M6/M8/M10/ mm/18 mm) (M3/M4) (M4/M6/M8) M16) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 14 Step ladder (Φ22) screwdriver/Hand- held electric drill Marker Soft measuring Steel measuring Long measuring tape tape tape Level Square Level gauge Vacuum cleaner Ink line marker Combination Hacksaw Flashlight pliers Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 15 ● Maximum gap: 0.5 mm ● Pressure resistance: above 1.6 MPa ● Compliant with industry standards b: Temperature resistance 85°C at least for thermal insulation foam sealant or sealing tape Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 16: Commissioning Tools
Power cable pliers crimping tool RJ45 crimping Insulation tape Heat shrink Heat gun tool tubing Cable tie Commissioning Tools Multimeter Clamp meter Thermocouple Nitrogen temperature sensor c: dry nitrogen Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 17: Materials
2.2.1 Water Pipes Table 2-2 Water pipe specifications Item Connector Dimensions Material Spray G 1 inch external thread DN25 Rigid pipe (made water connector of PP-R or other refill materials) pipe Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 18 PP-R or other refill materials) pipe (support ed only by the left- open model) Condens G 1 inch external thread DN25 Rigid pipe (made connector of PP-R or other drainpip materials) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 19: Cables
Electric cable, 300 V/500 V, RVV, 3 x 2.5 mm , outdoor cable, CE ● Standby power input: Electronic|Electric cable, 600 V/ 1000 V, ZA-YJV, (3 x 120 + 1 x 70) mm , outdoor cable, CE Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 20 50 ● Ground cable: equipotential ground cable with a cross-sectional area of at least 16 mm ; route the ground cable through a plastic-coated metal hose Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 22: Installation Process
FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 4 Installation Process Installation Process Figure 4-1 Outdoor scenario Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 23 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 4 Installation Process Figure 4-2 Indoor scenario Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 24: Installing A Unit
Dimensions: 150 mm x 150 mm ● Observe the hoisting precautions. Table 5-1 Hoisting precautions Stage Precautions Before hoisting Ensure that the crane and hoisting ropes provide the required bearing capacity. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 25: Securing A Unit
Step 3 Mark the mounting positions for the four corner fittings of the unit using an ink line marker and soft measuring tape. NO TICE When marking the positions for corner fittings, ensure that the four lines form a rectangle. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 26 ● When hoisting the unit, ensure that the four corner fittings of the unit are aligned with the marked corner fitting positions on the support platforms. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 27 You only need to add shock absorption pads there. ● The customer needs to reserve mounting holes for right angle brackets in advance based on the onsite base. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 28 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 5 Installing a Unit Figure 5-3 Concrete podium platform scenario Figure 5-4 Steel base platform scenario Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 29: Follow-Up Procedure
Step 1 Prepare support platforms for the unit. Step 2 Determine the reference points for installing a unit on the support platforms. Mark the reference points using a marker. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 30 Hang one end of a 10 m sling and a 6 m sling on the lifting eye and lock them on the hanging rod. Perform the same operations on the other three groups of slings. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 32 On the combination side, use a hook rod to pull the latch connecting the 10 m and 6 m slings to the outside of the unit and then remove the latch. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 33 You only need to add shock absorption pads there. ● The customer needs to reserve mounting holes for right angle brackets in advance based on the onsite base. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 34 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 5 Installing a Unit Figure 5-10 Concrete podium platform scenario Figure 5-11 Steel base platform scenario Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 35: Installing An Equipotential Ground Cable Or Ground Lug
5.3 Installing an Equipotential Ground Cable or Ground Step 1 Install the equipotential ground cable or ground lug at the equipotential ground point of the unit. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 36: Checking The Refrigerant
If gas flows out, the system is normal. If no gas flows out, contact technical support. NO TE The unit has four compressor systems. The following uses one compressor system as an example. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 37: Lifting An Exhaust Fan
Step 2 Climb up the ladder in the air return compartment, pass through the maintenance door above the ladder, and reach the top of the unit. Step 3 Remove the screws from the horizontal flanges on both sides of the fan. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 38 Step 4 Assign two persons to lift the fan together, rotate the fan by 135° with the cable position as the axis, and place the fan in a reliable position nearby. Figure 5-16 Lifting the fan (A) Fan cable Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 39 Figure 5-17 Removing the screws from the vertical flanges of the fan NO TICE When removing screws, prevent screws and tools from falling off and damaging the condenser. Step 6 Install the vertical flanges at the bottom of the fan. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 40 Figure 5-19 Securing the fan Step 8 Close the maintenance door on the top of the unit. Step 9 Install the corresponding outdoor intake air filter. ----End Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 41: Optional) Installing A Rainproof Canopy And Eave
Step 2 Take out the desiccant bag from the electric control box. Figure 5-20 Position of the desiccant bag Step 3 Remove the desiccant bags bound at the air intake and exhaust vents of the drive cabinet. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 42 Figure 5-22 Removing the desiccant bag from the air exhaust vent of the drive cabinet Step 4 Remove all the sheet metal for securing the compressors during transportation in sequence. Loosen the nuts. Do not remove them. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 43 Store the sheet metal properly. If the unit needs to be transported again, install the sheet metal. Figure 5-24 Removing the sheet metal from the return air filter ----End Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 44: Installing Pipes
0°C. ● After pipes are installed, perform water tests on all water refill pipes and drainpipes to ensure that the pipes do not leak. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 45: Determining The Pipe Route
Figure 6-2 Pipe route (bottom pipe routing) (1) Spray water refill pipe (2) Spray drainpipe (3) Humidifier water refill pipe (supported only (4) Condensate drainpipe by the left-open model) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 46: Connecting Pipes Outside The Unit
Spray drainpipe: Tighten the pipe union to a torque of 50 N·m using a torque wrench with an open end of 52 mm. Figure 6-3 Installing a water refill pipe Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 47: Optional) Reconstructing The Unit For Bottom Pipe Routing
Procedure Step 1 Remove the sealing plate from the holes for routing the spray water refill pipe and spray drainpipe at the end of the unit. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 48 Insert the outlet of the spray drainpipe into the hole for bottom pipe routing, and tighten the pipe union to a torque of 50 N·m using a torque wrench with an open end of 52 mm. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 49 Figure 6-7 Installing the spray water refill pipe and spray drainpipe inside the unit Step 5 Install the sealing plate for the original bottom pipe holes onto the end pipe holes. Figure 6-8 Installing the hole sealing plate ----End Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 50: Installing Optional Components
(5) M10 mounting hole for the reserved for the lightning rod outdoor light (For light installation, prepare a conversion bracket based on the light model and reserved holes on the unit.) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 51: Installing A Smoke Sensor
Secure the smoke sensor base to the sheet metal fastener using screws. Push the smoke sensor in the direction indicated by CLOSE on the smoke sensor and clamp the sensor to the base. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 52: Installing A Cable-Type Water Sensor
Relay contact signals are generated once liquid intrusion is detected at any position along the detection cable. The signals can be reported to various monitoring systems to implement remote alarm reporting and remote device control. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 53 (6) Water detection cable connecting to the water A, connecting to the detection cable conversion cable NO TE The water detection cable can be connected using a quick-connect terminal and extended flexibly. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 54 NO TE You can also remove the sheet metal near the end maintenance door, enter the air supply compartment, and take out the sheet metal that secures the water detector. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 55 NO TE The water detection cable and conversion cable are interconnected through male and female connectors. Step 5 Connect the other end of the conversion cable to the water detector. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 56 Figure 7-11 Securing a water detection cable NO TE If multiple water detection cables need to be connected in series, connect the male connector of one cable to the female connector of another cable. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 57: Installing A Panel Air Filter Assembly
Insert the panel air filter obliquely upwards into the inner guide rail at the top, and lift the air filter until it is placed on the inner guide rail at the bottom. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 58: Installing A Maintenance Socket
Figure 7-14 Installing butterfly nuts and sheet metal ----End 7.5 Installing a Maintenance Socket A maintenance socket is used to provide temporary power supply during O&M. It can be configured as required. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 59 Figure 7-16 End stopper at the reserved position Step 5 Install the RCD and maintenance socket on the guide rail of the electric control box, and reinstall the guide rail end stopper. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 60 7 Installing Optional Components Figure 7-17 Installation positions for the RCD and maintenance socket (1) RCD (2) Maintenance socket Step 6 Install cables. Figure 7-18 Installing cables (five-core mains input cables) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 61: Installing Continuous Cooling Devices
Step 2 Remove the baffle plate from the electric control box. Figure 7-20 Removing the baffle plate from the electric control box Step 3 Remove the sheet metal for the DC power switch. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 62 Insert the DC power switch into the four copper bars reserved in the unit from the top down. Secure the DC power switch to the reserved sheet metal. Secure the DC power switch to the copper bars reserved in the unit. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 63 Remove the screws from the cover panel of the DC power switch, and push the panel upwards to remove the panel. Figure 7-25 Removing the panel Step 8 Install a shunt release. Remove the shunt release from the DC power switch. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 64 DC switch into the two holes of the shunt release. (There is no requirement on the mapping between terminals and holes.) Take out the small flat-head insulated torque screwdriver and check that the cables are securely inserted. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 65 "X107" reserved in the unit, and bind the cable securely. ● Connect the terminal labeled "X104" of the cable for the auxiliary contact to the terminal labeled "X104" reserved in the unit, and bind the cable securely. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 66: Installing The Standby Dc Power Devices
7.6.2 Installing the Standby DC Power Devices Scan the QR code outside the electric control box or beside the nameplate of the unit to obtain documents related to the standby DC power devices. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 67 SmartLi 3.0 User Manual (Short- battery Term Backup Power) cabinet Lead-acid FusionCol8000-EBC600 FusionCol8000-EBC600 Lead-Acid power Power Control Cabinet User Manual control cabinet PDU8000-1250D9-BS310 PDU8000 DC Combiner Cabinet combiner User Manual cabinet Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 68: Installing Cables
When laying out cables, ensure that the power cables and signal cables are routed and bound separately. ● Cable colors in this document are for reference only. The actual cable colors may vary. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 69: Determining Cable Routes
(2) Active power cables (3) Standby power cables (4) DO air damper cable (5) Teamwork and monitoring (6) AO air damper cable, communications cable, T/H signal cable sensor cable Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 70: Removing Cable Baffle Plates
If a maintenance socket is configured and a five-core active power cable is used, install a neutral wire for the active power cable. This operation is not involved in other scenarios. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 71: Optional) Installing Standby Dc Power Cables
Step 4 Bind each cable to the cabling sheet metal. Ensure that the cables are not stressed after binding. Step 5 (Optional) If the continuous cooling feature is configured, install cables between the lithium battery cabinets and the units. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 72 Step 6 (Optional) If the continuous cooling feature is configured, install cables between the lead-acid power control cabinet and the units. Figure 8-8 Cable routing between the standby DC power supply and the units Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 73: Optional) Installing Power Cables For Outdoor Lighting
Step 1 Secure the light to the reserved position on the unit using screws. Figure 8-9 Installation positions (choose either) Step 2 Connect the light cables. CA UTION When connecting cables, fit them with a protective hose. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 74 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 8 Installing Cables Figure 8-10 Connecting cables (1) Hole positions for securing the cable hose: M6x16 ----End Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 75: Optional) Installing Teamwork And Monitoring Communications Cables
ELV cable tray, to reduce the impact of electromagnetic interference on teamwork communication. 8.7.1 Preparing a Network Cable Step 1 Crimp a network cable. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 76: Fe Teamwork + Fe Monitoring
Otherwise, communication interference may occur. ----End 8.7.2 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/BIN Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 77 100 m, use the group-based ring networking mode. Connecting units with odd numbers: Connect the FE_1 port of the unit with an odd number to the FE_2 port of the unit with the next odd number. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 78: Fe Teamwork + Rs485 Monitoring
FE port on the host. standalone cable connection scenario 8.7.3 FE Teamwork + RS485 Monitoring Step 1 Connect teamwork and monitoring communications cables. Networking FE Teamwork RS485 Monitoring Protocol MAC_CAN Modbus-RTU Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 79 Figure 8-16 Connecting communications cables If the length of a network cable in the FE teamwork is greater than or equal to 100 m, use the group-based ring networking mode. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 80: Can Teamwork + Fe Monitoring
NMS as the monitoring system. ● If the BIN protocol is used, customers can purchase the NetEco (a LAN switch is required) as the monitoring system. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 81: 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 the NetEco (an ECC is required) or a third-party NMS as the monitoring system. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 82: Optional) Installing Signal Cables
Outdoor air Indoor air Exhaust water ivity exhaust AO return AO bypass AO sens sensor sensor damper (24 damper (24 damper (24 (485+) V DC) V DC) V DC) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 83 2+ l pressure pressure sensor sensor (AI) (AI) 12 V DC 12VDC- Indoor air Fresh air (reserved) supply AO exhaust AO (reserved) alar damper (Y) damper (Y) m 2– Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 84 Air return DO damper reset/open (ON) damper X3.7 Air return DO damper common point (GND) Feedbac X3.8 Air return DO damper feedback (FG) X3.9 Air return DO damper feedback (GND) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 85 Step 3 Route the signal cable into the unit through the signal cable hole on the container, and route the signal cable into the electric control box through the corresponding cable hole on the electric control box. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 86: Optional) Installing T/H Sensors Outside The Unit And Cables
Ensure that the input voltage of each T/H sensor ranges from 9 V to 16 V. Step 3 Set the DIP switches on the T/H sensors. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 87 Cold aisle 4 temp/humid Cold aisle 5 temp/humid Cold aisle 6 temp/humid Hot aisle 1 aisle temp/humid Hot aisle 2 temp/humid Hot aisle 3 temp/humid Hot aisle 4 temp/humid Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 88 ● If the T/H sensor provided uses an eight-bit DIP switch, bits 1 to 6 of the DIP switch are used to set the device address, bit 7 is reserved, and bit 8 is used to switch the temperature display mode. ----End Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 89: Installing Air Dampers And Air Ducts
● After air ducts and flexible connections are installed and sealed, perform light leakage testing and rain testing to prevent air, cooling, and rain leakage during use. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 90: Installing Air Dampers
50 W. – The number of air damper actuators in each power supply branch should be less than or equal to 3. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 91 ● To facilitate maintenance, do not route cables on the maintenance plane of the unit. ● Do not drill holes on the unit. Route cables away from heat sources. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 92 Indoor air return AO damper (GND) (GND) Outdoor air exhaust AO damper Indoor air return AO damper (U) Outdoor air exhaust AO damper Indoor air return AO damper (Y) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 93: Installing Do Air Dampers
9.2. ● DO air damper wiring terminals and installation position for a guide rail- mounted PSU that converts 380 V AC to 24 V DC Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 94 Remove the DO air damper power cables delivered with the unit. Figure 9-5 DO air damper power cables delivered with the unit Remove the end stopper from the reserved position for the PSU. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 95: Input Voltage Range
24 V DC Rated current ≥ 10 A Rated power 240 W Voltage ±1% precision Overload 30 A/50 ms impulse current supported capacity Protecti Overload Available protection Overvoltage Available protection Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 96: Installation
Connect one end of a cable to the wiring terminal on a DO air damper, route the other end through the signal cable hole of the unit, and connect the cable to the corresponding signal cable terminal. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 97 ● Do not drill holes on the unit. Route cables away from heat sources. Figure 9-9 Air damper connection (1) DO air damper (2) Air damper actuator (3) User wiring terminals Figure 9-10 DO air damper signal terminals Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 98 Air exhaust DO damper reset/open (ON) damper X3.17 Air exhaust DO damper common point (GND) Feedbac X3.18 Air exhaust DO damper feedback (FG) X3.19 Air exhaust DO damper feedback (GND) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 99: Installing Air Ducts
150 mm to 300 mm. After the air duct is installed, apply sealant to all connection points and the original self-clinching nut holes on the unit. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 100 Figure 9-11 Air return duct (air supply and return on the same side) (1) Air return ducts (air supply (2) Flexible connectors (3) Air supply ducts and return on the same side) (4) Air dampers (5) Equipment room Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 101 Step 3 Connect the other end of the flexible connector to the horizontal air exhaust duct through a flange. Step 4 Connect the other end of the air exhaust duct to the air exhaust shaft through a flange. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 102 Quick Guide (EHU) 9 Installing Air Dampers and Air Ducts Figure 9-13 Air exhaust duct (1) Air cap (2) Air exhaust vent (3) Flexible connector (4) Air exhaust duct ----End Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 103: Installing Cable Baffle Plates
Figure 10-2 Installing the baffle plate for the electric control box Step 3 Install the baffle plate for the cable holes on the container. Figure 10-3 Installing a baffle plate ----End Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 104: Verifying The Installation
The fan blades rotate properly. □ Passed □ Failed Water The water pump is secured. □ Passed □ Failed system The water tank filter is secured. □ Passed □ Failed Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 105 □ Passed □ Failed meet the maximum current requirement. All cables, terminals, and screws are secured. □ Passed □ Failed The device is properly grounded. □ Passed □ Failed Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 106 5‰ in the drainage direction. The status of the butterfly valves on the pipes of the unit □ Passed □ Failed is consistent with that on the labels. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 107: Power-On Commissioning
If the continuous cooling feature is configured, you need to commission the continuous cooling devices. Scan the QR code outside the electric control box or beside the nameplate of the unit to obtain related documents. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 108 Step 4 Check that the positive and negative DC input power cables of all EHUs are correctly connected. Step 5 Measure the DC input voltage. The value should range from 721 V DC to 729 V ----End Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 109: Powering On The Unit
Figure 12-1 Initial power-on 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 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 110 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 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 111 Heat exchanger Enables or disables a sensor. supply air sensor Heat exchanger intake Enables or disables a sensor. air sensor Heat exchanger Enables or disables a sensor. exhaust air sensor Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 112 NOTE If the type of the air damper or fire damper is inconsistent with the damper control type on the screen, a fault alarm is generated. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 113 NOTE If the type of the air damper or fire damper is inconsistent with the damper control type on the screen, a fault alarm is generated. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 114 NOTE If the type of the air damper or fire damper is inconsistent with the damper control type on the screen, a fault alarm is generated. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 115 ● Primary power first: The active power supply is preferred. ● Backup power first: The standby power supply is preferred. ● Mutual backup: Two power supplies are in mutual backup mode. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 116 Customized mode, or Disable water mode. Set this parameter based on the site requirements. NOTE You are advised to retain the default value. Altitude Set this parameter based on the actual altitude. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 117 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 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 118 DO_1 acts according to DO_1 action when a power exception alarm is generated. ● If this parameter is set to No, no alarm is generated when DO_1 is disconnected. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 119 DO_2 acts according to DO_2 action when a power exception alarm is generated. ● If this parameter is set to No, no alarm is generated when DO_2 is disconnected. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 120 ● Comp & Humid stopped: The compressor and humidifier are stopped when an in-cabinet water overflow alarm is generated. NOTE Only the left-open model supports the humidification function. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 121 6 hours. ● If the return air temperature is less than or equal to 10°C or invalid upon power-on, the preheating time is 12 hours. ----End Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 122: Home Screen
USB connection status indicates that a USB flash drive is connected to the USB port. Diagnostic mode status indicates that the system is in diagnostic mode. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 123 Running, Alarms, Settings, Maint, and About. You can tap any of areas marked in the following figure to view the details screen or level-2 screen. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 124 Indoor fan running information Compressor Compressor system video Spray pump Spray system running information Temperature and T/H sensor parameter settings humidity setpoints Temperature and Temperature and humidity curve information humidity curves Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 125: Setting Parameters
The temperature inside the equipment room or aisle is mode controlled based on the average value, maximum value, or minimum value collected by multiple sensors. Humidity alarm mode Set this parameter as required. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 126 Table 12-2 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 16.9 15.9 75.3 70.9 Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 127: Setting The Collaborative Working Mode For Compressors
12.5.2 Setting the Collaborative Working Mode for Compressors Procedure Step 1 On the home screen, choose Menu > SettingsSystem SettingsCompressor, and set Collaborative working mode based on the actual application scenario. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 128: Optional) Setting The Pressure Difference Control
Air-side differential pressure sensor type to 0~125 Pa comm port. Step 2 Set Indoor fan control type to Pressure diff ctrl. Step 3 Change the other parameters based on the following instructions. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 129 Feedback for mechanical fire dampers. NOTE If the type of the air damper or fire damper is inconsistent with the damper control type on the screen, a fault alarm is generated. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 130: Optional) Setting Teamwork Parameters
Step 2 Set teamwork parameters. Set parameters on the master unit (with the smallest address) first. All teamwork parameters can be set on the master unit. Only Teamwork group num, System Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 131 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 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 132 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 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 134 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. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 135 ● Red indicates that the unit has generated a red/bright gray critical alarm, as shown in ● Bright gray indicates that the device is operating without any critical alarms. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 136: Follow-Up Procedure
Step 3 (Optional) Set User-defined DI_1 alarm delay and User-defined DI_2 alarm delay as required. The default value is 10s. Step 4 Set User-defined DI_1 usage and User-defined DI_2 usage to Floor water overflow alarm. ----End Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 137: Setting Communications Parameters
● Disable: Users cannot control the unit over their monitoring system. SNMP ● Enable: Access to the unit over SNMP (default port number: 161) is allowed. ● Disable: Access to the unit over SNMP is not allowed. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 138: Setting Communications Parameters (Modbus-Rtu Protocol)
Step 1 On the home screen, choose Menu > Settings > Comm Settings > RS485 Settings. Figure 12-9 RS485 Settings Step 2 Set the baud rate, communication address, and RS485 monitoring group. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 139: Setting Communications Parameters (Modbus-Tcp Protocol)
Step 1 On the home screen, choose Menu > Settings > Comm Settings > WAN IP Settings, and set the IP address, subnet mask, and gateway based on the actual plan. Figure 12-10 WAN IP Settings Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 140 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 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 141: 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 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 142 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 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 143: Setting Communications Parameters (Bin Protocol)
Refer to this section when the NetEco is connected over BIN. Procedure Step 1 On the home screen, choose Menu > Settings > Comm Settings > BIN Settings. Figure 12-13 BIN Settings Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 144: Optional) Setting Wifi Parameters
Set WiFi SSID based on the actual configuration; WiFi SSID is the name used for the WiFi hotspot over which a mobile phone can connect to the smart cooling product. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 145: Startup
After factory settings are restored, startup verification is required. Step 1 Tap Start on the home screen to enter the initial startup screen. Tap OK to enter the startup authorization screen. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 146 Step 1 Tap Start on the home screen. ● If the Password required for start or shutdown onsite function is enabled, enter the login password to start the unit. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 147: Wizard Startup
Step 2 Read the precautions on the screen and confirm whether to access the wizard- based startup mode. ● Tap Yes to enter the screen for checking before wizard-based startup. ● Tap No to exit the wizard-based startup mode. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 148 Tap Yes to start the system and commission components. – Tap No to exit the commissioning while keeping the system shut down. Figure 12-19 Commissioning items in Wizard Startup (1) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 149 Back and Confirm, and troubleshoot based on the failure cause. If the fault persists, contact technical support. On the home screen, choose Menu > Maintenance > Wizard Startup and perform commissioning again. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 150: Optional) Power-Off
□ Passed □ Failed All transport fasteners for compressors have been □ Passed □ Failed removed. All external cables are neatly routed and clearly labeled. □ Passed □ Failed Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 151 AO air damper/supply air DO air damper are closed. CAUTION If they are not closed, condensation, frost, and freezing may occur on the indoor side of the unit. Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 152: Appendix
FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Appendix 13.1 Base Drawings 13.1.1 Concrete Podium Platform Drawings Figure 13-1 Right angle bracket for securing support platforms (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 153 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-2 Concrete podium platform for a single unit (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 154 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-3 Concrete podium platform for combined units (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 155: Steel Base Platform Drawings
FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix 13.1.2 Steel Base Platform Drawings Figure 13-4 Right angle bracket for securing support platforms (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 156 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-5 Steel base platform for a single unit (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 157 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-6 Steel base platform for two units (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 158 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-7 Steel base platform for a single unit (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 159 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-8 Steel base platform for combined units (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 160: Steel Beam Platform Drawings
FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix 13.1.3 Steel Beam Platform Drawings Figure 13-9 Right angle bracket for securing support platforms (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 161 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-10 Steel beam platform for a single unit (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 162 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-11 Steel beam platform for combined units (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 163: Physical Port Drawing
FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix 13.2 Physical Port Drawing Figure 13-12 Physical ports (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 164: Rainproof Canopy And Eave Installation Drawings
FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix 13.3 Rainproof Canopy and Eave Installation Drawings Rainproof Canopy for Exhaust Fans Figure 13-13 Rainproof canopy installation (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 165 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-14 Rainproof canopy dimensions (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 166 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-15 Rainproof canopy sheet metal (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 167 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-16 Installing a rainproof canopy (1) (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 168 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-17 Installing a rainproof canopy (2) (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 169 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-18 Installing a rainproof canopy (3) (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 170 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Eave for the Electric Control Box Figure 13-19 Eave dimensions (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 171 FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix Figure 13-20 Installing an eave (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.
Page 172: Air Cap Installation Drawing
FusionCol8000-E400 Modular Indirect Evaporative Cooling System Quick Guide (EHU) 13 Appendix 13.4 Air Cap Installation Drawing Figure 13-21 Air cap installation (unit: mm) Issue 02 (2023-09-13) Copyright © Huawei Digital Power Technologies Co., Ltd.

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