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Huawei NetCol5000-C, User Manual

The Huawei NetCol5000-C is a cutting-edge data center cooling solution designed to optimize efficiency and reduce energy consumption. Enhance your operational effectiveness by downloading the comprehensive User Manual, available for free at our website. Get the most out of your NetCol5000-C with this downloadable manual.

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NetCol5000-C(065, 080) In-row Chilled Water Smart 
Cooling Product 
User Manual 

7 FAQ 

 

Issue 07 (2020-03-16) 

Copyright © Huawei Technologies Co., Ltd. 

199 

 

You are advised to use the FAT32 USB flash drive with a capacity no greater than 64 GB. 
Format the non-FAT32 USB flash drives into FAT32 ones before using them. 

 

 

 

Ensure that the key file has been encrypted using AES128. 

 

Before using a USB flash drive, ensure that its data has been scanned by antivirus software 
and is secure. 

Procedure 

Step 1

 

On the home page, choose 

Maint

 > 

USB Operations

 > 

Import Certificate

, as shown in 

Figure 7-34

. 

Figure 7-34

 

Importing a certificate 

 

 

Step 2

 

Select 

Client certificate

 or 

Server certificate

 based on the type of the certificate in use. 

Step 3

 

Tap 

Browse...

 next to 

Upload CA certificate file

. 

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

. 

 

If files are imported successfully, a success message will be displayed. 

 

If files fail to be imported, the message indicating the cause for failure will be displayed. 
Rectify the fault according to the message and import files again. 

----End 

7.1.22 Correlation Relationship of Parameters 

When setting parameters, pay attention to the following relationships. 

Summary of Contents for NetCol5000-C

Page 1: ...NetCol5000 C 065 080 In row Chilled Water Smart Cooling Product User Manual Issue 07 Date 2020 03 16 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...tomer 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 without warranties guarantees or representations of any kind either express or implied The information in this document is subject to c...

Page 3: ...The figures provided in this document are for reference only Intended Audience This document is intended for Sales engineers Technical support engineers System engineers Hardware installation engineers Commissioning engineers Data configuration engineers Maintenance engineers Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates a haz...

Page 4: ...used to address information not related to personal injury equipment damage and environment deterioration Change History Changes between document issues are cumulative The latest document issue contains all the changes made in earlier issues Issue 07 2020 03 16 Optimized the Preparations and WebUI Login section Issue 06 2019 12 20 Updated the safety information Issue 05 2019 06 26 Updated chilled ...

Page 5: ...ion 11 2 2 Component 12 2 2 1 Appearance and Components 12 2 2 2 Controller 14 2 2 2 1 Appearance and Ports 14 2 2 2 2 Functions and Features 17 2 2 3 Monitoring System 18 2 3 Application Conditions 20 2 4 Technical Specifications 23 2 5 Performance Curves 24 3 Installation 26 3 1 Installation Precautions 26 3 1 1 Tools 27 3 1 2 Pipe Connection 28 3 1 3 Material Preparations 29 3 1 3 1 Automatic D...

Page 6: ...49 3 10 Injecting Water to Expel Gas 50 3 11 Optional Leakage Test with Water 51 3 12 Cable Connections 51 3 12 1 Overview and Precautions 51 3 12 2 Connecting Power Cables 51 3 12 3 Connecting an Equipotential PE Cable 53 3 12 4 Teamwork Networking and Monitoring 54 3 12 4 1 Main Control Panel 54 3 12 4 2 Signal Ports 55 3 12 4 3 Connecting the Teamwork Network Cable 55 3 12 4 3 1 Connecting the ...

Page 7: ...105 6 1 1 Routine Maintenance Overview 105 6 1 2 Routine Maintenance Item 106 6 2 Alarm References 108 6 3 Troubleshooting 153 6 4 Parts Replacement 155 6 4 1 Replacement Requirements 155 6 4 2 Replacing the Air Filter 156 6 4 3 Replacing the Humidifier Pump 157 6 4 4 Replacing the Fan 159 6 4 5 Replacing the Wet Film Humidifier 160 6 4 6 Replacing the Differential Pressure Switch 161 6 4 7 Replac...

Page 8: ... Restoring Factory Settings 190 7 1 18 Which Parameters Are Restored to Default Values After Default Settings Are Operated 193 7 1 19 Exporting Data 193 7 1 20 How to Export and Import a Configuration file 195 7 1 21 How to Import a Certificate and a Key 198 7 1 22 Correlation Relationship of Parameters 199 7 2 WebUI Operations 201 7 2 1 How to Manage WebUI Users 201 7 2 2 How to Install a Network...

Page 9: ...alling operating or maintaining the equipment The safety instructions in this document are only supplements to local laws and regulations Huawei will not be liable for any consequences of the following circumstances Operation beyond the conditions specified in this document Installation or use in environments which are not specified in relevant international or national standards Unauthorized modi...

Page 10: ...ing a conductor surface or terminal measure the contact point voltage and ensure that there is no risk of electric shock After installing the equipment remove idle packing materials such as cartons foam plastics and cable ties from the equipment area In the case of a fire immediately leave the building or the equipment area and turn on the fire alarm bell or make an emergency call Do not enter the...

Page 11: ...ment with scratches cannot be exposed to an outdoor environment for a long period of time Before operations ensure that the equipment is firmly secured to the floor or other solid objects such as a wall or an installation rack Do not use water to clean electrical components inside or outside of a cabinet Do not change the structure or installation sequence of equipment without permission Do not to...

Page 12: ...s and are clear of the sources and degree of various potential hazards in equipment installation operation maintenance Trained personnel personnel who are technically trained have required experience are aware of possible hazards on themselves in certain operations and are able to take protective measures to minimize the hazards on themselves and other people Operators operation personnel who may ...

Page 13: ...ting cables ensure that a distance of at least 30 mm exists between the cables and heat generating components or areas This prevents damage to the insulation layer of the cables Do not route cables behind the air intake and exhaust vents of the equipment Ensure that cables meet the VW 1 flame spread rating requirements Bind cables of the same type together When routing cables of different types en...

Page 14: ... Environment Requirements To prevent fire due to high temperature ensure that the ventilation vents or heat dissipation system are not blocked when the equipment is running 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 ventilatio...

Page 15: ...o warn away irrelevant personnel Carry the operation machinery and tools properly to prevent them from falling off and causing injuries Personnel involving working at heights are not allowed to throw objects from the height to the ground or vice versa Objects should be transported by tough slings hanging baskets highline trolleys or cranes Ensure that guard rails and warning signs are set at the e...

Page 16: ... that it is intact and confirm its load bearing capacity Do not overload it Ensure that the ladder is securely positioned The recommended angle for a ladder against the floor is 75 degrees as shown in the following figure An angle rule can be used to measure the angle 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...

Page 17: ... be aware of unstable or heavy objects on the cabinet Be cautious to avoid injury when moving heavy objects When moving the equipment by hand wear protective gloves to prevent injuries Move or lift the equipment by holding its handles or lower edges Do not hold the handles of modules such as power supply units fans and boards that are installed in the equipment because they cannot support the weig...

Page 18: ...n to high pressure components such as the compressor and refrigerant pipe to prevent the refrigerant system from being cracked or exploded due to misoperations Refrigerant Frostbite Refrigerant leakage may cause frostbite Take protective measures for example wear antifreeze gloves when handling refrigerant Storage and Recycling Do not store devices near a heat source or under direct sunshine Keep ...

Page 19: ...NetCol5000 C 065 080 In row Chilled Water Smart Cooling Product User Manual 2 Product Description Issue 07 2020 03 16 Copyright Huawei Technologies Co Ltd 11 2 Product Description 2 1 Model Description ...

Page 20: ... In row Chilled Water Smart Cooling Product User Manual 2 Product Description Issue 07 2020 03 16 Copyright Huawei Technologies Co Ltd 12 2 2 Component 2 2 1 Appearance and Components Appearance Figure 2 1 NetCol5000 C065 ...

Page 21: ...rt cooling product consists of the heat exchanger chilled water valve EC fan air filter condensate pump wet film humidifier optional and micro differential pressure sensor optional Heat exchanger The I type finned tube exchanger with a high cooling efficiency adopts the synergy field principle and computational fluid dynamics CFD to optimize the flow path design which greatly improves the heat exc...

Page 22: ...ility In most cases tap water can be used without special water treatment The wet film humidifier has a simple structure and is easy to remove clean and maintain The wet film humidifier quickly starts and generates huge humidification capacity The wet film humidifier consumes less than over 95 of energy compared with a traditional electrode humidifier Micro differential pressure sensor Intelligent...

Page 23: ... Co Ltd 15 Figure 2 4 Display panel 1 Indicator 2 Display panel Table 2 1 Indicator and buzzer status description Alarm Status Indicator Buzzer The device is operating properly or a warning is generated Green No buzzing There is an unacknowledged major alarm Yellow Intermittent buzzing There is an unacknowledged critical alarm Red Constant buzzing ...

Page 24: ...e WiFi module locally connect to the smart cooling product over the Service Expert app Obtain the initial startup password during deployment View or obtain the running information about the smart cooling product during preventive maintenance Applicable to V200R001C20 and later versions NOTE Only Huawei service engineers or authorized service engineers are allowed to use the WiFi module To ensure s...

Page 25: ...g products can be networked for teamwork When multiple smart cooling products work cooperatively heat load is optimally distributed to reduce power consumption and backup is provided to improve reliability Backup When a smart cooling product in the group is faulty the backup smart cooling product starts to operate automatically to improve the reliability of the smart cooling product system Rotatio...

Page 26: ...thorized startup The LCD displays the margin of cooling capacity at the moment so that you can improve the operating efficiency of the equipment room The controller protects the smart cooling product against overvoltage undervoltage abnormal power failure and water leakage which ensures the reliable operation of the system The cooling capacity air volume as well as the operating status and runtime...

Page 27: ...rotocols are supported Key smart cooling product parameters including but not limited to the temperatures and humidity of the supply and return air power supply status operating status fan status and alarms can be uploaded to the monitoring system Up to 32 smart cooling products can be connected over an FE port or a controller area network CAN port for teamwork to save energy and extend the servic...

Page 28: ...iagram 2 3 Application Conditions If the water inlet temperature exceeds 10 C or the total load is less than 30 of the cooling capacity of a single smart cooling product the humidity may be high The customer is advised to add a dehumidifier engineering procurement Do not install the smart cooling product near a noise sensitive place such as an office or a conference room Pipe Ports The following t...

Page 29: ...er in a short time Floor Floor bearing capacity 530 kg m2 Floor height 300 mm Pipe routing Bottom pipe routing Cabling mode Top cabling Drainage requirements Automatic drainage Water supply requirements of wet film The inlet water pressure should be in the range of 0 1 0 7 MPa A reducing valve must be installed if the inlet water pressure exceeds 0 7 MPa and the temperature should be in the range ...

Page 30: ... water glycol solution Requirements for humidifying water supply The inlet water pressure should be in the range of 0 1 0 7 MPa A reducing valve must be installed if the inlet water pressure exceeds 0 7 MPa and the temperature should be in the range of 1 C 40 C The wet film humidifier should use tap water no water treatment facility needed for the inlet water Storage temperature 40 C to 70 C Stora...

Page 31: ...on capacity kg h 0 3 Maximum operating current A 15 Recommended upstream circuit breaker A 32 External dimensions H x W x D mm 2000 x 600 x 1200 Air filter level G4 Net weight Gross weight kg 200 234 202 236 Note Rated working conditions are that the return air temperature is 37 C the return air relative humidity is 24 the supply return water temperatures are 10 C 15 C respectively and the static ...

Page 32: ...ted working conditions are that the return air temperature is 37 C the return air relative humidity is 24 the supply return water temperatures are 10 C 15 C respectively and the static pressure outside the smart cooling product is 0 Pa 2 5 Performance Curves Figure 2 10 and Figure 2 11 show the cooling capacity derating coefficient curve in proportion to the altitude when the NetCol5000 C works un...

Page 33: ...7 2020 03 16 Copyright Huawei Technologies Co Ltd 25 Cooling Capacity Curve in Proportion to the Glycol Solution Density The cooling capacity is obtained by multiplying the glycol solution density by the rated cooling capacity Figure 2 11 Cooling capacity curve in proportion to the glycol solution density ...

Page 34: ...construction is needed for routing pipes and cables Install the NetCol5000 C according to the design drawing and reserve space for maintenance Reserve more than 1200 mm maintenance space at the front or rear of the smart cooling product and more than 1000 mm maintenance space at the other end Figure 3 1 uses more than 1200 mm maintenance space at the front door and more than 1000 mm maintenance sp...

Page 35: ...d on site requirements Table 3 1 General tools Appearance Parameter and Name Flat head screwdriver Phillips screwdriver Adjustable wrench 36 mm 2 PCS Socket wrench M10 M12 Hex key 5 mm Open end torque wrench Diagonal pliers Wire stripper Crimping tool Torch Electrician s knife Step ladder 2 m ESD gloves PVC insulation tape Vacuum cleaner Steel wire brush Multimeter Claw hammer Level Hot melt devic...

Page 36: ... A N A N A N A N A Table 3 2 Transportation tools Appearance Parameter and Name Diesel pallet truck Manual pallet truck N A N A N A N A Table 3 3 Nitrogen injection and pressure preservation tools Appearance Parameter and Name Nitrogen cylinder Pressure gauge Fluorine injection hose Reducing valve 3 1 2 Pipe Connection NetCol5000 C pipes are routed from the bottom onsite as shown in Figure 3 2 ...

Page 37: ... purchased and onsite prepared materials which are marked as mandatory optional and engineering purchasing in this document Mandatory materials that are provided by Huawei and can be found in the delivered fittings Optional materials that can be purchased from Huawei or any other vendor if you have ordered the materials from Huawei you do not need to purchase them elsewhere For details about the s...

Page 38: ... 2 inch connected to a rigid pipe with external threads 3 Rigid pipe made of PP R C PVC or other materials The object shown in the dotted line box is the drainpipe connector with inner screw threads delivered with smart cooling products Other parts are not provided and need to be purchased 3 1 3 2 Optional Condensate Pump Drainpipe If condensate water needs to be drained by using a water pump you ...

Page 39: ...are not provided and need to be purchased 3 1 3 3 Optional Humidifier Water Inlet Pipe The humidifier water inlet pipe can be connected using a hose or a rigid pipe Figure 3 5 shows how to connect the pipe Figure 3 5 Connecting a water inlet pipe 1 Connector with inner screw threads G 1 2 inch delivered with the water inlet pipe for the smart cooling product 2 Rigid pipe conversion adapter G 1 2 i...

Page 40: ...ustrates how to connect water inlet and outlet pipes to reserved ports on the cabinet Figure 3 6 Connecting the water inlet and outlet pipes 1 G 1 1 2 in port with inner threads reserved device port 2 Seamless steel pipe with a G 1 1 2 in external threaded connector engineering purchase 3 Direct connection of external teeth engineering purchase 4 Sealing ring 5 Nut 6 Aluminum plastic pipe with an ...

Page 41: ...evices to be connected When connecting cables fit them with protective hoses Table 3 4 Cables and switches required Name Specifications Quantity Remarks Power cable Electronic Electric Cable 600 V 1000 V ZA RVV 3 x 6 mm2 Black 3 Cores Brown Blue Yellow Green 46 A Outdoor Cable CE 2 PCS Optional same cable parameters for the active and standby routes Teamwork networking and monitoring cable Signal ...

Page 42: ...rminal Common Terminal Conductor Cross Section 6 mm2 Length 20 mm Insertion Depth 12 mm Black 12 PCS Standard configuration delivered with the product Cable tie G200IUV 3 6 x 200 Anti Ultraviolet and Anti Freeze Black 15 PCS Standard configuration delivered with the product 3 1 4 Structural Specifications 3 1 4 1 NetCol5000 C065 external structure Figure 3 8 NetCol5000 C065 external structure 1 Co...

Page 43: ...7 2020 03 16 Copyright Huawei Technologies Co Ltd 35 3 1 4 2 NetCol5000 C080 external structure Figure 3 9 NetCol5000 C080 external structure 1 Controller panel 2 Door lock 3 Front door 4 Side panel 5 Rear door 3 1 4 3 Cabinet Holes Figure 3 10 Top view unit mm 1 Power cable hole 2 Signal cable hole ...

Page 44: ...g transportation move the smart cooling product closest to the installation position before unpacking Procedure Step 1 Inspect the outer packaging for signs of damage If any damage is found contact the shipping company immediately Step 2 Remove the packaging 1 Cut off the straps and remove the cartons 2 Inspect the cabinet exterior for signs of collision or scratches If any damage is found contact...

Page 45: ... or infrastructure construction otherwise dust may enter the cabinet and affect the internal components Figure 3 12 Installation flowchart 3 4 Checking the nitrogen pressure Context The device has been injected with 0 3 0 5 MPa nitrogen before delivery Check the nitrogen pressure for nitrogen leakage You can open or close the exhaust valve using a flat head screwdriver Procedure Step 1 Open the do...

Page 46: ...igure 3 13 Removing an air filter Step 3 Take out the desiccant bag Step 4 Press and hold the manual adjustment switch and manually turn the chilled water valve to the 100 state as shown in Figure 3 14 Figure 3 14 Adjusting the chilled water valve Step 5 Use a screwdriver to open the exhaust valve shown in Figure 3 15 and discharge gas through the hose ...

Page 47: ...f no gas emits out of the valve contact Huawei technical support Figure 3 15 Checking the nitrogen pressure End Follow up Procedure Check that thermal insulation foam is in close contact with the pipes there is no crack in each cutting position and the chilled water valve is tightly wrapped by thermal insulation foam 3 5 Removing the Pallet Procedure Step 1 Remove the connecting kit that secures t...

Page 48: ...e pallet 3 Remove the connecting kit Save the removed bolts for future use Step 2 Transport the cabinet to the specified position You are advised to use a pallet truck to transport devices Exercise caution when moving the cabinet to prevent falling down End 3 6 Leveling and Combining Cabinets Procedure Step 1 Level the cabinet Use a socket wrench to adjust the leveling feet at the bottom of the sm...

Page 49: ...cabinet The leveling feet can be adjusted within a range of 0 8 mm To prevent damaged caused by cabinet tilt adjust all the leveling feet at the four corners instead of one foot Use a measuring tape to check that the vertical distance between the top of the cabinet and the floor is 2000 mm 2 mm or 2500 mm 2 mm Do not remove the leveling feet Otherwise you need to rework them for use Step 2 Combine...

Page 50: ...front door using screws Step 3 Secure the connecting kits at the connection positions on the rear door using screws in the same way Ensure that the vertical distance between each device top and the floor is 2000 mm 2 mm or 2500 mm 2 mm and that all device tops are on the same plane End 3 7 Securing the NetCol5000 C Secure the smart cooling product to the base If there are no bases onsite prepare o...

Page 51: ...hould not be connected together to the external drainage system Procedure Step 1 Remove the drainpipe plug Figure 3 20 Connecting an automatic drainpipe Step 2 Install a pipe adapter and seal it with sealant Step 3 Connect the PPR water pipe using a heat gun and wrap the pipe with thermal insulation foam Step 4 Connect the drainpipe to the external drainage system End Follow up Procedure After ins...

Page 52: ... drainpipe needs to be wrapped with thermal insulation foam and the water pump inlet pipe does not need thermal insulation foam In the cabinet fasten the pipe to vertical pillar of rear door with cable ties Procedure Step 1 Use a Phillips screwdriver to loosen the screw on the connector of the water pump drainpipe to loosen the hose clamp and remove the plug of the drainpipe Step 2 Connect the hos...

Page 53: ...pipe with thermal insulation foam End 3 8 3 Optional Connecting the Humidifier Water Inlet Pipe Context A reducing valve must be installed if the inlet water pressure exceeds 0 7 MPa Appliance is intended to be permanently connected to the water mains and not connected by a hose set Procedure Step 1 Straighten the water inlet pipe delivered with the smart cooling product and route it from the insi...

Page 54: ...Step 3 Connect the water inlet pipe to the engineer pipe and wrap the pipe with thermal insulation foam End 3 8 4 Connecting the Chilled Water Inlet and Outlet Pipes Context AY shaped strainer has been installed on the chilled water inlet Connect the water inlet and outlet pipes from the inside to the outside and from the bottom to the top Water inlet and outlet pipes are connected using thread co...

Page 55: ...t pipe ends and install the pipes from inside out Step 5 Use a common wrench open end 53 mm and trimo wrench 18 to connect and secure water inlet and outlet pipes Step 6 Attach thermal insulation foam to the pipes and ensure that the foam is in close contact with the pipes Step 7 After pipes are connected seal the gaps between the knock out holes and the pipes using sealant or foaming agent Figure...

Page 56: ...ctor shown in Figure 3 6 and use a torque wrench recommended torque 130 10 N m and a common wrench open end 53 mm in collaboration to secure the straight male connector to the connector on the device Step 5 Install the sealing ring and nut shown in Figure 3 6 at the end of the aluminum plastic pipe that ran through the hole rubber ring Step 6 After the aluminum plastic pipe and the straight male c...

Page 57: ... cooling product as shown in Figure 3 26 Inject 0 8 MPa nitrogen the pressure should reach 0 8 MPa after it is stabilized and keep it for 24 hours Figure 3 26 Injecting nitrogen Step 3 After 24 hours if the pressure drop is less than 0 01 MPa the pipes do not leak Open the exhaust valve using a screwdriver and close the valve when there is no airflow through the valve Then you can perform the foll...

Page 58: ... Turn off the isolation valves on the water inlet and outlet pipes before the cleaning and turn them on afterwards Procedure Step 1 Ensure that the needle valve and exhaust valve on the pipe are closed and the chilled water valve is in the 100 state as shown in Figure 3 27 Figure 3 27 Adjusting the chilled water valve Step 2 Open the main water inlet valve Step 3 Gradually open the exhaust valve a...

Page 59: ...s Connections of all power cables control cables and ground cables must comply with the local electrical code and the cable specifications should comply with the local cabling specifications For details about the maximum current see the equipment nameplate Ensure that the voltage and frequency of the primary power supply meet the requirements Only trained and qualified personnel are allowed to con...

Page 60: ...28 Connecting power cables 1 Connect the cables with crimped terminals to the L N and PE shown in Figure 3 28 2 Remove screws from both ends of the clip to remove it 3 Place the connected power cables vertically use the clip to secure them in a proper position and use screws to secure the clip 4 Fasten the power cable to the vertical pillar by cable ties every 150 mm to 200 mm Step 3 Use a multime...

Page 61: ... fasten the connections If the cable connections are secure the connection is complete End 3 12 3 Connecting an Equipotential PE Cable Smart cooling product resistance to ground 0 1 ohm Connect the PE cable to the marked position in the lower part of the cabinet and connect the cable to the external ground system as shown in Figure 3 29 Figure 3 29 Connecting an equipotential PE cable ...

Page 62: ...connecting to the external temperature and humidity sensor 2 T H_2 T H RS485 communications port used for connecting to the external temperature and humidity sensor 3 CAN_IN CAN communications port used for teamwork networking 4 CAN_OUT CAN communications port used for teamwork networking 5 COM_IN RS485 communications port used for connecting to the monitoring system 6 COM_OUT RS485 communications...

Page 63: ...r Water 7 Remote on off Remote COM 8 Remote on off Remote 9 Smoke sensor Smoke AI 10 Smoke sensor Smoke 12VDC 3 12 4 3 Connecting the Teamwork Network Cable Smart cooling products in a teamwork group must be of the same model The default networking mode is CAN networking The smart cooling product supports two teamwork networking modes FE teamwork networking and CAN teamwork networking hand in hand...

Page 64: ...l module as shown by 7 in Figure 3 30 and connect the other end to the POE port on the smart ETH gateway as shown in Figure 3 33 Figure 3 33 Connecting the FE teamwork network cable End 3 12 4 3 2 Connecting the CAN Teamwork Cable Context In CAN networking one teamwork network supports a maximum of 32 smart cooling products If CAN networking is required onsite set Teamwork CAN resistor enable on t...

Page 65: ...g and FE teamwork control use the same network cable For the connection method refer to 3 12 4 3 1 Connecting the FE Teamwork Network Cable 3 12 4 4 2 Connecting the RS485 Monitoring Network Cable Modbus RTU When monitoring smart cooling products over northbound RS485 the EMS needs 4 seconds to collect data from one smart cooling product Therefore the time required for collecting data from N smart...

Page 66: ...rt cooling products are teamworked with four in each group connected to the host respectively The number of smart cooling products in each monitoring group can be adjusted based on performance requirements In CAN networking a maximum of 32 smart cooling products can be teamworked If CAN networking is required onsite set Teamwork CAN resistor enable for the first and last smart cooling products to ...

Page 67: ...f the cabinet Step 3 Secure the cable to the left post of the cabinet using cable ties Place the sheet metal of the water sensor upwards and its detection board downwards on the ground End 3 12 6 Connecting the T H Sensor Outside the Cabinet Context T H sensors outside the cabinet are configured to detect the temperatures of cold hot aisles They can be flexibly installed on the server cabinet base...

Page 68: ...et connect the OUT port of one T H sensor inside the cabinet to the IN port of the next T H sensor outside the cabinet Connect all T H sensors in series in this way The T H sensors should be 1 5 m above the ground 33 U Each smart cooling product supports a maximum of ten T H sensors Step 2 Table 3 5 shows how to set the DIP switches for T H sensors Figure 3 39 DIP switches Table 3 5 DIP switch set...

Page 69: ...ON ON OFF ON OFF Hot aisle 3 temp humid 23 ON ON ON OFF ON OFF Hot aisle 4 temp humid 24 OFF OFF OFF ON ON OFF Hot aisle 5 temp humid 25 ON OFF OFF ON ON OFF The default addresses of T H sensors purchased from Huawei are 1 Keep the last RS485_R toggle switch at OFF After the addresses are set power on the device On the display s home screen choose Settings System Settings T H Sensor and set the se...

Page 70: ...at the pressure inlet faces downwards Step 3 Connect the cable terminal of thedifferential pressure sensor to the DPT terminal End 3 13 Checking After Installation 1 Check the drainpipes are securely installed clear free of leakage and not over bent 2 Check that the chilled water connector joints have been tightly wrapped with thermal insulation foam and no metal or hose is exposed 3 Check that th...

Page 71: ...User Manual 3 Installation Issue 07 2020 03 16 Copyright Huawei Technologies Co Ltd 63 7 Check that the cabinet is grounded 8 Check that the power and signal cables are routed correctly and separately 9 Check that strong and weak current cables are bound separately ...

Page 72: ...t and the AC1 and AC2 switches on the smart cooling product Step 2 After the system is powered on for the first time the Quick Settings screen is displayed Log in as the admin user as shown in Figure 4 1 Figure 4 1 Initial power on Table 4 1 Preset password User Preset Password Permission Description admin administrator user 000001 People can operate all menus operator common user 000001 People ca...

Page 73: ...vanced parameters Unauthorized modifications may lead to device malfunction or damage After the first login change the password in time to ensure account security and prevent unauthorized network attacks such as data tampering Huawei will not be liable for any security issues caused by your failure to change the preset password in time or password loss after changing After login you are allowed to...

Page 74: ...rolled group which is the same for all the devices in the group Air conditioner address Set the assigned unit address Air conditioner addresses should be different from each other Teamwork function Disable or enable the teamwork function If the teamwork function is disabled this device is operating according to its own control If the teamwork function is enabled this device works in harmony with o...

Page 75: ...ain power is active and the ambient humidity is lower than the certain humidity range of the humidity set point Dehumidifyi ng function The dehumidifying function can be set to Enable Disable or Enabled when active power Enable indicates that the dehumidification function will be enabled when the ambient humidity exceeds the certain humidity range of the humidity set point Disable indicates that t...

Page 76: ... value Select Min value if the temperature is to be controlled based on the minimum data value collected by the collector Temperature setpoint After the Temperature and humidity control type and the temperature value under this type are set the device conducts cooling or heating based on the settings Set this parameter as required Return air temperature 26 35 C recommended Supply air temperature 1...

Page 77: ...abinet need to be enabled when they are installed Comm Settings visible for V200R002 version Modbus Comm address Set the communication address of the smart cooling product as planned The EMS communicates with the smart cooling product through this address The communication addresses of two smart cooling products connecting to the same EMS must be unique End 4 2 Home Screen You can tap the menu ite...

Page 78: ... status bar indicates that the smart cooling product is in diagnostic mode Tap the icon to exit from the diagnostic mode 4 The buzzer status The buzzer status can be set to On or Off The icon indicates that the buzzer is on When the buzzer is on it buzzes when an alarm is generated When the buzzer is buzzing you can tap anywhere on the screen to mute the buzzer After the buzzer is muted it still b...

Page 79: ...and can tap the icon to log in indicates that you have logged in to the system as admin or operator user and can tap the icon to log out 12 Teamwork control button indicates that there is no teamwork control at present indicates that there is teamwork control without alarms at present indicates that there is teamwork control with alarms at present 4 3 Initial Configuration 4 3 1 Setting Temperatur...

Page 80: ...the application scenario is cold or hot aisle containment you are advised to choose Cold aisle if the cold aisle T H sensors are configured and choose Supply air if the cold aisle T H sensors are not configured When the application scenario is non aisle containment you are advised to choose Return air and choose Cold aisle if the cold aisle T H sensors are configured Hot aisle is not recommended T...

Page 81: ... or heating based on the settings Set this parameter as required Return air temperature 26 35 C recommended Supply air temperature 18 24 C recommended Cold aisle temperature 18 24 C recommended Hot aisle temperature 26 35 C recommended Control point humidity setpoint After the Temperature and humidity control type and the humidity value under this type are set the device conducts humidifying or de...

Page 82: ...dingly If the differential pressure sensor is not installed skip this part Procedure Step 1 On the home screen choose Settings System Settings Indoor fan set Air side difference pressure sensor type to 0 50 Pa Step 2 Set Indoor fan control type to Pressure diff ctrl Step 3 Change the other parameters based on the following instructions Table 4 5 Parameter description Parameter Description Configur...

Page 83: ...peed for the indoor fan You are advised not to change the value End 4 3 3 Setting Teamwork Control Parameters Prerequisites Assign teamwork group number and teamwork unit address for the teamwork controlled smart cooling products as follows Teamwork group no Group the smart cooling products in adjacent areas as one that is assign one teamwork group number for them At most four teamwork groups can ...

Page 84: ...ion Principle Default Value Teamwork group No Set the assigned teamwork control number The number of the teamwork controlled group which is the same for all the devices in the group 1 Air conditioner address Set the assigned smart cooling product address Smart cooling product addresses should be different from each other NA Enable Teamwork CAN resistor Indicates the build out resistor status of ea...

Page 85: ... For V200R002 version the software will not restart when the networking mode is changed Networked over CAN or MAC_CAN CAN network indicates teamwork control over a CAN bus MAC_CAN network teamwork control over an FE port MAC_CAN network Number of smart cooling products in this group Number of the smart cooling products in this group 1 to 32 can be set Total number of the smart cooling products in ...

Page 86: ...able the master device does not synchronize data to the slave device and all the smart cooling products operate based on their own requirements not referring to the mode delivered by the master device When the requirement control is Anti competitive running the master device synchronizes data the temperature and humidity control type and set points of the master device and other parameters to the ...

Page 87: ... the smart cooling products by performing Step 1 and Step 2 Step 4 On the home screen of any teamwork controlled smart cooling product tap If the teamwork control succeeds the teamwork topology of the smart cooling product in the group is displayed as shown in Figure 4 7 Table 4 7 describes the note for the screen Figure 4 7 Teamwork topology Table 4 7 Notes for the screen No Parameters Note 1 On ...

Page 88: ...ith green frame indicates the device itself as shown in A non green frame indicates the other device in the group as shown in 6 Ground color red bright gray Red indicates that a critical alarm is generated as shown in Bright gray indicates that the device is operating without any critical alarms as shown in If teamwork succeeds the teamwork icon is green If teamwork fails the teamwork icon is red ...

Page 89: ...on and the settings of teamwork control parameters 4 3 4 Setting Communications Parameters 4 3 4 1 Setting Communications Parameters Modbus RTU Protocol Context To set communications parameters log in as the admin user Procedure Step 1 On the home screen choose Settings Comm Settings Modbus Settings Step 2 Set baud rate and communication address by following instructions in Table 4 8 Table 4 8 Bau...

Page 90: ...Set according to the actual plan Step 3 Tap Submit Step 4 On the home screen choose Settings Comm Settings Modbus Settings Step 5 Set parameters for Modbus TCP by following instructions Table 4 10 Modbus TCP parameter settings Parameter Setting Setting Method Link mode Server Client Server and client If you set Link mode to Server the smart cooling product as a server supports two client connectio...

Page 91: ...munications Parameters SNMP Protocol Context To set communications parameters log in as the admin user This section is suitable only for SNMP Skip this section if you use Modbus Record the values entered in this section They will be used when you access a smart cooling product to an EMS element management system One smart cooling product supports concurrent access of up to 6 EMSs through SNMP Proc...

Page 92: ...e text box after Read Community as shown in Figure 4 9 Set Read Community as planned tap and then tap Submit Figure 4 9 Setting read community 2 Tap the text box after Write Community as shown in Figure 4 10 Set Write Community as planned tap and then tap Submit Figure 4 10 Setting write community Step 4 Add an SNMPv3 user 1 Tap Add under SNMP V3 2 Enter a planned value for User Name select values...

Page 93: ...gure 4 11 Setting the protocol type Passwords of an authentication protocol and proprietary protocol must comply with the following policies The password must consist of 8 15 characters and contain at least two types of characters among uppercase letters A Z lowercase letters a z and digits 0 9 A password must be different from the corresponding user name or inverted user name A password must not ...

Page 94: ...Huawei Technologies Co Ltd 86 Figure 4 12 Setting an SHA password 4 Set AES Password and Confirm Password as planned and tap as shown in Figure 4 13 Figure 4 13 Setting anAES password 5 Tap Submit Step 5 Tap the text box after SNMP Port as shown in Figure 4 14 Set SNMP Port to the actual port number tap and then tap Submit ...

Page 95: ... 7 Set SNMP trap parameters 1 Tap Add under SNMP Trap 2 Set Trap Address as planned and Trap Port to the actual port number Trap Port is set to null by default 3 Select the SNMP Version If an SNMPv3 user is configured it is recommended that SNMP Version be set to SNMPv3 4 If SNMP Version is set to SNMPv3 select an SNMPv3 user name and then tap as shown in Figure 4 15 Figure 4 15 Setting SNMP trap ...

Page 96: ...cure Figure 4 16 Exporting the MIB file successfully 4 3 5 Optional Setting WIFI Parameters Prerequisites After connecting the WIFI module of the USB interface to the USB port of the smart cooling product display WIFI Settings is enabled to be set Procedure Step 1 On the home screen choose Settings Comm Settings WIFI Settings Step 2 Set the parameters by referring to Table 4 11 Table 4 11 WiFi set...

Page 97: ...password Enable WiFi Enable the WiFi function The default status is Disable Step 3 Tap Submit End 4 4 Startup Download the Service Expert app from Huawei app store and runs on Android Apply for permission after downloading the app Step 1 Tap Start on the home screen of the ACC If the screen shown in Figure 4 17 is displayed indicating initial startup perform Step 2 for initial startup verification...

Page 98: ...artup verification The Service Expert app can be downloaded from Huawei app store and runs on Android User interfaces displayed in this document correspond to the APP software version V100R001C00B043T007 and are for reference only For offline boot enter the barcode and the verification code on the mobile phone app The app automatically generates a startup password for the smart cooling product The...

Page 99: ... app and the screen shown in Figure 4 20 is displayed Figure 4 20 Offline boot Step 3 Tap Offline Activation and the screen shown in Figure 4 21 is displayed Figure 4 21 Generating a startup password If the software version is after V200R002C00SPC050 an icon will generate in the right of BarCode After clicking it and scanning the QR code generated in the Start Password page the barcode and verify ...

Page 100: ... ACC and enter the generated startup password in the displayed dialog box End Online Boot Step 1 Insert the WiFi module to the USB port on the ACC Step 2 Choose Settings Comm Settings WIFI Settings on the home screen of the ACC Then set WiFi parameters and enable the WiFi function Step 3 Connect the mobile phone to the smart cooling product WiFi and ensure proper communications between the mobile ...

Page 101: ...ails see values on the Modbus settings screen Step 6 Tap Login after the parameters are set Step 7 After login tap Power on password activation on the screen The screen shown in Figure 4 23 is displayed indicating whether to start the smart cooling product Figure 4 23 Online boot Step 8 Tap OK and follow instructions as prompted on the screen until the success message for the startup is displayed ...

Page 102: ...t commissioning Tapping No or Exit submission timeout and system exception all result in commissioning failures Choose Maint Wizard Startup to enter the Wizard Startup screen for new commissioning Procedure Step 1 On the home screen choose Maint Wizard Startup as shown in Figure 4 24 Figure 4 24 Startup wizard For the initial startup wizard Last record is in grey indicating that the operation is n...

Page 103: ...ure 4 26 Figure 4 26 Selecting commissioning items If the system is not configured with the humidifier components the humidifier commissioning items will not appear on the screen If the humidification function are disabled you cannot select the humidifier item All the items are selected by default if you first enter the screen where you select commissioning items Except that the indoor fan item is...

Page 104: ...andatory After commissioning for a component succeeds the system automatically performs commissioning for the next component you selected If commissioning fails startup wizard ends Step 6 View the commissioning result Figure 4 28 is displayed if component commissioning succeeds Figure 4 28 Commissioning successfully Figure 4 29 is displayed if component commissioning fails which ends startup wizar...

Page 105: ...4 6 Optional Power off Context In shutdown mode the Shutdown button is green unavailable and the Start button is gray available Procedure Step 1 Tap Shutdown on the home screen A warning is displayed indicating whether to shut down the smart cooling product as shown in Figure 4 30 Figure 4 30 Shutdown Step 2 Tap Confirm If the device is successfully shut the system displays a message indicating th...

Page 106: ...eze up and crack If the water temperature does not meet the requirement drain all water out of the NetCol5000 C and switch off the chilled water valve End 4 7 Checking After Commissioning Table 4 13 lists the commissioning checklist Table 4 13 Commissioning checklist Check Item Actual Result No oil stain exists on the copper pipe thermal insulation foam or bottom plate or it has been cleaned Passe...

Page 107: ... IP address subnet mask and default gateway Step 3 Configure the PC IP address and the smart cooling product IP address in the same network segment If the smart cooling product IP address is 192 168 0 10 subnet mask is 255 255 255 0 and default gateway is 192 168 0 1 set the PC IP address to 192 168 0 11 subnet mask to 255 255 255 0 and default gateway to 192 168 0 1 Step 4 Set LAN parameters If t...

Page 108: ...ons 3 Optional Click the Connections tab and select LAN settings 4 Optional Under Proxy server clear Use a proxy server for your LAN Figure 5 2 Setting proxy server 5 Click OK Step 5 Log in to the WebUI of the smart cooling product 1 Enter https IP address such as IP address https 192 168 0 10 in the address box of the browser and then press Enter to enter the WebUI login page ...

Page 109: ...ntinue to this website not recommended Figure 5 4 Problem of the security certificate 2 On the login page enter the preset user name admin and preset password Changeme select the language and click Log In Change the password after your first login An account is logged out due to timeout if no operation is performed within 10 minutes after system login End 5 2 WebUI Introduction For data transmissi...

Page 110: ...igure 5 5 Home page Table 5 1 Functions provided by the home page Tab Functions System Overview View the temperature and humidity control type and setpoints View cooling output fan output humidifying output and heating output View cooling capacity air volume recommended supply water temperature cooling load factor Active Alarm Query active alarms ...

Page 111: ...al time set device running parameters and control the device running For example set temperature and humidity parameters enable temperature and humidity sensor set the mode of heating and humidifying set fan control type Query Query historical alarms System Settings Upload the network security certificate Set the time zone time and date Set the IP address Set the Modbus network parameters Set the ...

Page 112: ...Product User Manual 5 WebUI Issue 07 2020 03 16 Copyright Huawei Technologies Co Ltd 104 Menu Functions Query and export fault information Manage users for example adding and deleting a user Import and export configuration files to configure devices quickly ...

Page 113: ... Personnel who will install operate and maintain Huawei equipment must receive thorough training understand all necessary safety precautions and be able to correctly perform all operations Pay attention to the safety symbols on the equipment and all safety instructions in this document The safety precautions given in this document do not cover all safety precautions Huawei will not be liable for a...

Page 114: ...r is not damaged or deformed Replace the air filter Monthly Passed Failed 3 Check that the exhaust valve does not leak Close the exhaust valve Monthly Passed Failed 4 Check that screws fastening the water sensor are securely connected Secure the screws tightly Monthly Passed Failed 5 Check that the water pan filter is clean and not blocked Clean the water pan filter Monthly Passed Failed 6 Indoor ...

Page 115: ...Failed 14 Use a brush or compressed dry air to clean various electric components control components the main control board and the surge protection and voltage test board N A Semi annual Passed Failed 15 Check whether the display panel humidity and temperature sensor or cables is aging on the surface Replace the components or cables Semi annual Passed Failed 16 Use a high precision humidity and te...

Page 116: ...re loose or damaged 2 The temperature sensor is faulty 1 Check the cables to the temperature sensor 2 Maintain or replace the temperature sensor Return air 2 temperature invalid Major Generates an alarm 1 The cables to the temperature and humidity sensor are loose or damaged 2 The temperature and humidity sensor is faulty 1 Check the cables to the temperature and humidity sensor 2 Maintain or repl...

Page 117: ... load power is low 3 The ambient temperature is below the lower threshold 4 The low temperature alarm threshold is inappropriate 5 The value detected by the temperature sensor or temperature and humidity sensor is different from the actual value 6 The air filters are blocked 7 The chilled water valve is stuck or faulty 1 Adjust the positions of the temperature sensors or temperature and humidity s...

Page 118: ...me a025 Air filter blocked alarm Warning Generates an alarm and shuts down the electric heater humidifier 1 Air filters are blocked or dirty 2 The differential pressure switch is faulty 3 The threshold of air filter blockage set for the differential pressure switch is inappropriate 4 The pressure tube of the differential pressure switch is blocked or disconnected 5 The cables to the differential p...

Page 119: ...ater pump inlet 2 Verify that the water pump cables are properly connected 3 Replace the water pump 4 Rectify the liquid level detection fault 5 Replace the water pump a042 Remote shutdown alarm Critical Generates an alarm and shuts down the smart cooling product system 1 The remote shutdown dry contact is triggered 2 The cables to the remote shutdown dry contact are loose or damaged 1 Check the s...

Page 120: ...rol type for the master unit on this smart cooling product a048 Supply air high temperature alarm Critical Generates an alarm 1 The temperature sensors or temperature and humidity sensors are located in inappropriate positions 2 The thermal load power is high or the cooling capacity is insufficient 3 The ambient temperature exceeds the upper threshold 4 The high temperature alarm threshold is inap...

Page 121: ...p 4 Adjust the low temperature alarm threshold 5 Calibrate or replace the temperature sensor or temperature and humidity sensor 6 Maintain or replace the air filters 7 Maintain or replace the chilled water valve a050 Cold aisle high temperature alarm Critical Generates an alarm 1 The temperature sensors or temperature and humidity sensors are located in inappropriate positions 2 The thermal load p...

Page 122: ...ust the positions of the temperature sensors or temperature and humidity sensors 2 Add smart cooling products or contact Huawei technical support 3 Measure the ambient temperature Check whether other causes exist if the alarm persists in a long time after startup 4 Adjust the high temperature alarm threshold 5 Calibrate or replace the temperature sensor or temperature and humidity sensor 6 Check t...

Page 123: ...pe is not blocked or bent 3 Optional Check the cables to the condensate water pump clear the foreign matter in the water pump or replace the pump 4 Check the cables to the low liquid level sensor clear the obstacles or replace the low liquid level sensor a080 Chilled water valve exceed runtime alarm Warning Generates an alarm The accumulated runtime of the chilled water valve exceeds the alarm thr...

Page 124: ...after startup 4 Adjust the low temperature alarm threshold 5 Calibrate or replace the temperature sensor or temperature and humidity sensor 6 Maintain or replace the air filters 7 Maintain or replace the chilled water valve a092 Hot aisle low temperature alarm Warning Generates an alarm 1 The temperature sensors or temperature and humidity sensors are located in inappropriate positions 2 The therm...

Page 125: ...arning Generates an alarm 1 The ambient humidity is below the lower threshold 2 The temperature and humidity sensor is not installed in a proper position 3 The low humidity alarm threshold is inappropriate 4 The value detected by the temperature and humidity sensor is different from the actual value 1 Measure the ambient humidity 2 Adjust the position of the temperature and humidity sensor 3 Adjus...

Page 126: ...om the actual temperature 1 Check the temperature of supplied chilled water 2 Adjust the supply water low temperature alarm threshold 3 Calibrate or replace the supply water temperature sensor a099 Return water temperature invalid Major Generates an alarm 1 The cables to the temperature sensor are loose or damaged 2 The temperature sensor is faulty 1 Check the cables to the temperature sensor 2 Ma...

Page 127: ...larm Critical Generates an alarm 1 The indoor fan is faulty 2 The cables to the indoor fan are loose or damaged 3 The power supply to the indoor fan is abnormal 1 Maintain or replace the indoor fan 2 Check the cables to the indoor fan 3 Check the power supply to the indoor fan a108 Cold aisle temperature invalid Major Generates an alarm 1 The cables to the temperature and humidity sensor are loose...

Page 128: ...r Generates an alarm 1 The cables to the temperature and humidity sensor are loose or damaged 2 The temperature and humidity sensor is faulty 1 Check the cables to the temperature and humidity sensor 2 Maintain or replace the temperature and humidity sensor a113 Hot aisle temperature and humidity board communication failed Major Generates an alarm 1 The cables to the temperature and humidity senso...

Page 129: ...ts down the humidifier 1 The water pump inlet is blocked 2 The cables to the water pump are loose or damaged 3 The water pump is faulty 4 The water pump races due to a liquid level detection fault 5 The water pump is blocked 1 Clear the blockage from the water pump inlet 2 Verify that the water pump cables are properly connected 3 Replace the water pump 4 Rectify the liquid level detection fault 5...

Page 130: ...1 Check the cable connection to the differential pressure sensor 2 Check the tube connection to the differential pressure sensor 3 Maintain or replace the differential pressure sensor a196 Chilled water valve feedback fault alarm Major Generates an alarm 1 The cables to the chilled water valve are loose or damaged 2 The chilled water valve is faulty 1 Check the feedback cable connection to the chi...

Page 131: ... triggere d 1 The cables to the temperature sensor are loose or damaged 2 The temperature sensor is faulty 1 Check the cables to the temperature sensor 2 Maintain or replace the temperature sensor Supply air 1 temperatur e sensor fault Major An alarm is triggere d 1 The cables to the temperature sensor are loose or damaged 2 The temperature sensor is faulty 1 Check the cables to the temperature se...

Page 132: ...3 The ambient temperature exceeds the upper threshold 4 The high temperature alarm threshold is inappropriate 5 The value detected by the temperature sensor or temperature and humidity sensor is different from the actual value 6 The chilled water flow is insufficient or the supply water temperature is high 7 The chilled water valve is stuck or faulty 1 Adjust the positions of the temperature senso...

Page 133: ...ty sensors Step2 Contact Huawei technical support 2 Measure the ambient temperature Check whether other causes exist if the alarm persists in a long time after startup 3 Adjust the low temperature alarm threshold 4 Calibrate or replace the temperature sensor or temperature and humidity sensor 5 Maintain or replace the air filters 6 Maintain or replace the chilled water valve A007 01 Return air 2 t...

Page 134: ...n or replace the main control board Cold aisle 2 temp humi d sensor comm failed Major An alarm is triggere d 1 The cables to the temperature and humidity sensor are loose or damaged 2 The DIP switch of the temperature and humidity sensor is set incorrectly 3 The temperature and humidity sensor is faulty 4 The communications port of the main control board is faulty 1 Check the cables to the tempera...

Page 135: ... sensor 2 Set the DIP switch of the temperature and humidity sensor correctly 3 Maintain or replace the temperature and humidity sensor 4 Maintain or replace the main control board Cold aisle 5 temp humi d sensor comm failed Major An alarm is triggere d 1 The cables to the temperature and humidity sensor are loose or damaged 2 The DIP switch of the temperature and humidity sensor is set incorrectl...

Page 136: ... humidity sensor is set incorrectly 3 The temperature and humidity sensor is faulty 4 The communications port of the main control board is faulty 1 Check the cables to the temperature and humidity sensor 2 Set the DIP switch of the temperature and humidity sensor correctly 3 Maintain or replace the temperature and humidity sensor 4 Maintain or replace the main control board Hot aisle 3 temp humi d...

Page 137: ...Major An alarm is triggere d 1 The cables to the temperature and humidity sensor are loose or damaged 2 The DIP switch of the temperature and humidity sensor is set incorrectly 3 The temperature and humidity sensor is faulty 4 The communications port of the main control board is faulty 1 Check the cables to the temperature and humidity sensor 2 Set the DIP switch of the temperature and humidity se...

Page 138: ...runtime Indoor fan 7 exceed runtime alarm Warnin g An alarm is triggere d The accumulated runtime of the indoor fan exceeds the alarm threshold Maintain or replace the indoor fan and clear the accumulated runtime Indoor fan 8 exceed runtime alarm Warnin g An alarm is triggere d The accumulated runtime of the indoor fan exceeds the alarm threshold Maintain or replace the indoor fan and clear the ac...

Page 139: ...re loose or damaged 1 Maintain or replace the air filters 2 Replace the differential pressure switch 3 Adjust the threshold set for the differential pressure switch 4 Dredge or replace the pressure tube 5 Check the cables to the differential pressure switch A026 01 Air filter exceed runtime alarm Warnin g An alarm is triggere d The accumulated runtime of the air filter exceeds the alarm threshold ...

Page 140: ... damaged 3 The smoke sensor is faulty 1 Expel smoke from the equipment room and reset the smoke sensor 2 Check the cables to the smoke sensor 3 Maintain or replace the smoke sensor A048 01 Supply air high temperatur e alarm Critical An alarm is triggere d 1 The temperature sensors or temperature and humidity sensors are located in inappropriate positions 2 The thermal load power is high or the coo...

Page 141: ...propriate positions 2 The thermal load power is low 3 The ambient temperature is below the lower threshold 4 The low temperature alarm threshold is inappropriate 5 The value detected by the temperature sensor or temperature and humidity sensor is different from the actual value 6 The air filters are blocked 7 The chilled water valve is stuck or faulty 1 Adjust the positions of the temperature sens...

Page 142: ...hilled water valve is stuck or faulty temperature sensors or temperature and humidity sensors 2 Add smart cooling products or contact Huawei technical support 3 Measure the ambient temperature Check whether other causes exist if the alarm persists in a long time after startup 4 Adjust the high temperature alarm threshold 5 Calibrate or replace the temperature sensor or temperature and humidity sen...

Page 143: ...p 4 Adjust the high temperature alarm threshold 5 Calibrate or replace the temperature sensor or temperature and humidity sensor 6 Check the pressure and temperature of chilled water 7 Maintain or replace the chilled water valve A053 01 PSU 1 fault alarm Major An alarm is triggere d The PSU is faulty Maintain or replace the PSU PSU 2 fault alarm Major An alarm is triggere d The PSU is faulty Maint...

Page 144: ...3 Maintain or replace the indoor fan Indoor fan 2 fault Major An alarm is triggere d 1 The power supply to the indoor fan is abnormal 2 The cables to the indoor fan are loose or damaged 3 The indoor fan is faulty 1 Check the power supply to the indoor fan 2 Check the cables to the indoor fan 3 Maintain or replace the indoor fan Indoor fan 3 fault Major An alarm is triggere d 1 The power supply to ...

Page 145: ...r supply to the indoor fan 2 Check the cables to the indoor fan 3 Maintain or replace the indoor fan Indoor fan 7 fault Major An alarm is triggere d 1 The power supply to the indoor fan is abnormal 2 The cables to the indoor fan are loose or damaged 3 The indoor fan is faulty 1 Check the power supply to the indoor fan 2 Check the cables to the indoor fan 3 Maintain or replace the indoor fan Indoor...

Page 146: ...fan is faulty 1 Check the power supply to the indoor fan 2 Check the cables to the indoor fan 3 Maintain or replace the indoor fan Indoor fan 12 fault Major An alarm is triggere d 1 The power supply to the indoor fan is abnormal 2 The cables to the indoor fan are loose or damaged 3 The indoor fan is faulty 1 Check the power supply to the indoor fan 2 Check the cables to the indoor fan 3 Maintain o...

Page 147: ...s triggere d 1 The cables to the indoor fan are loose or damaged 2 The indoor fan is faulty 1 Check the cables to the indoor fan 2 Maintain or replace the indoor fan Indoor fan 7 fault Major An alarm is triggere d 1 The cables to the indoor fan are loose or damaged 2 The indoor fan is faulty 1 Check the cables to the indoor fan 2 Maintain or replace the indoor fan Indoor fan 8 fault Major An alarm...

Page 148: ...er is blocked 2 The drainpipe is blocked 3 The condensate water pump is faulty 4 The low liquid level sensor is faulty 1 Clear the foreign matter in the water pan and filter 2 Check that the drainpipe is not blocked or bent 3 Check the cables to the condensate water pump clear the foreign matter in the water pump or replace the pump 4 Check the cables to the low liquid level sensor clear the obsta...

Page 149: ...erature and humidity sensors Step2 Contact Huawei technical support 2 Measure the ambient temperature Check whether other causes exist if the alarm persists in a long time after startup 3 Adjust the low temperature alarm threshold 4 Calibrate or replace the temperature sensor or temperature and humidity sensor 5 Maintain or replace the air filters 6 Maintain or replace the chilled water valve A092...

Page 150: ...arm Warnin g An alarm is triggere d 1 The thermal load power is low 2 The ambient humidity exceeds the upper threshold 3 The temperature and humidity sensor is not installed in a proper position 4 The high humidity alarm threshold is inappropriate 5 The value detected by the temperature and humidity sensor is different from the actual value 1 Contact Huawei technical support 2 Measure the ambient ...

Page 151: ...versely installed 4 The supply and return water sensors are reversely installed 5 The supply water temperature displayed is different from the actual temperature 1 Check the temperature of supplied chilled water 2 Adjust the supply water high temperature alarm threshold 3 Exchange the positions of the supply and return water pipes 4 Exchange the positions of the supply and return water sensors 5 C...

Page 152: ... damaged 1 Check the primary power supply 2 Check the cables to the primary power supply A130 01 Humidifie r water inlet solenoid valve fault Major An alarm is triggere d and the humidif ier is shut down 1 The cables to the water inlet solenoid valve are loose or damaged 2 The water inlet solenoid valve is faulty 1 Check the cables to the water inlet solenoid valve 2 Replace the water inlet soleno...

Page 153: ...is jammed 3 The humidifier float interconnection terminals are abnormal 4 The water inlet solenoid valve cannot open 5 The cables to the water inlet solenoid valve are loose or damaged 1 Verify that water supply to the humidifier is normal 2 Verify that the humidifier float can float and drop properly 3 Verify that the humidifier float interconnection terminals are properly connected 4 Verify that...

Page 154: ...own alarm Major An alarm is triggere d and the smart cooling product is shut down The smart cooling product is shut down via the LCD or NetEco Restart the smart cooling product via the LCD or NetEco A272 01 Teamwork networkin g abnormal alarm Warnin g An alarm is triggere d and teamwo rk mode is exited to work in standal one mode 1 Any two smart cooling product units have the same address 2 The so...

Page 155: ...on abnormal alarm Warnin g An alarm is triggere d and the indoor fans exit unified control mode 1 All sensors for controlling the indoor fan are disabled 2 All cablesto the sensors forcontrolling the indoor fan are loose or damaged 3 All sensorsfor controlling the indoor fan are faulty 1 Enable the sensors for controlling the indoor fan 2 Check the cable connections to the sensors for controlling ...

Page 156: ...gere d 1 The cables to the temperature and humidity sensor are loose or damaged 2 The temperature and humidity sensor is faulty 1 Check the cables to the temperature and humidity sensor 2 Maintain or replace the temperature and humidity sensor Cold aisle 3 temp humi d sensor fault Major An alarm is triggere d 1 The cables to the temperature and humidity sensor are loose or damaged 2 The temperatur...

Page 157: ... triggere d 1 The cables to the temperature and humidity sensor are loose or damaged 2 The temperature and humidity sensor is faulty 1 Check the cables to the temperature and humidity sensor 2 Maintain or replace the temperature and humidity sensor Hot aisle 4 temp humi d sensor fault Major An alarm is triggere d 1 The cables to the temperature and humidity sensor are loose or damaged 2 The temper...

Page 158: ...rm is triggere d 1 The cables to the temperature and humidity sensor are loose or damaged 2 The temperature and humidity sensor is faulty 1 Check the cables to the temperature and humidity sensor 2 Maintain or replace the temperature and humidity sensor Cold aisle 4 temp humi d sensor fault Major An alarm is triggere d 1 The cables to the temperature and humidity sensor are loose or damaged 2 The ...

Page 159: ...jor An alarm is triggere d 1 The cables to the temperature and humidity sensor are loose or damaged 2 The temperature and humidity sensor is faulty 1 Check the cables to the temperature and humidity sensor 2 Maintain or replace the temperature and humidity sensor Hot aisle 5 temp humi d sensor fault Major An alarm is triggere d 1 The cables to the temperature and humidity sensor are loose or damag...

Page 160: ...obstacles or replace it A27f 02 Water overflow alarm Critical An alarm is triggere d and the smart cooling product is shut down if the overflo w alarm is set to shutdo wn Otherwi se all the parts except for indoor fans are shut down 1 There is water at the detection position of the water overflow sensor 2 The cables to the water overflow sensor are loose or damaged 3 The water overflow sensor is f...

Page 161: ... SPD three phase detection board A281 01 Power voltage abnormal Major An alarm is triggere d and the smart cooling product is shut down The input voltage is below the lower threshold Check the power supply voltage A281 02 Power voltage abnormal Major An alarm is triggere d and the smart cooling product is shut down The input voltage exceeds the upper threshold Check the power supply voltage 6 3 Tr...

Page 162: ...thermal insulation tube of the NetCol5000 C is damaged 2 The condensate drainpipe is blocked 3 The pipes leak 1 Check whether thermal insulation tube of the NetCol5000 C is securely installed and repair the damaged thermal insulation foam 2 Check that the pipes of the drainage system are not over bent and that the condensate pump optional and the liquid level detector are not faulty 3 Check the pi...

Page 163: ...ng environment of the NetCol5000 C is excessively humid 2 The temperature set point is set to a much smaller value 1 Enhance the airtightness of the equipment room 2 Adjust the temperature and humidity set points No water is supplied to the water inlet solenoid valve of the humidifier 1 The upstream water supply is faulty or the water pressure is below the lower threshold 2 The water inlet solenoi...

Page 164: ...ables when the device is on Transient contact between the core of the power cable and the conductor may generate electric arcs or sparks which may cause fire or hurt eyes Before removing cables from a faulty component mark the cables with their corresponding ports numbers for later connection confirm by referring to the electrical conceptual diagram Ensure that the cables are connected to the spar...

Page 165: ...ormance Maint on the home screen to access the Performance Maint screen Then clear the air filter runtime End 6 4 3 Replacing the Humidifier Pump Prerequisites The pump needs to be replaced A spare pump of the same model is available and functional Context Recommended tools flat head screwdriver Preparations The device is only maintained from the rear door and is powered off Before removing the wa...

Page 166: ...er inlet of the humidifier pump and the hose clamp that secures the water outlet of the humidifier pump 2 Pull out the hose at the water inlet and the PU pipe at the water outlet respectively from the humidifier pump 3 Remove all control cables from the humidifier pump and use a flat head screwdriver to remove the hose clamp from the humidifier pump 4 Use a flat head screwdriver to remove the two ...

Page 167: ...dure Step 1 Choose Maint Fan Maintenance on the home screen to locate the SN of the faulty fan and tap Power Off Step 2 Open the front door remove cables from the faulty fan use a Phillips screwdriver to remove the four screws from the faulty fan and remove the faulty fan as shown in Figure 6 3 Figure 6 3 Removing a fan Step 3 Install the new fan in a reverse order of the removal Step 4 Connect ca...

Page 168: ...s System Settings System Control Humid Disable Step 2 Open the rear door remove the air filter and switch off general circuit breakers AC1 and AC2 Step 3 Use a Phillips screwdriver to remove the screws and sheet metal fasteners Figure 6 4 Replacing a wet film humidifier Step 4 Hold the release sleeve and remove the water inlet pipe Step 5 Draw out the old wet film humidifier Step 6 Install the new...

Page 169: ...be replaced A spare differential pressure switch of the same model is available and functional Context Tool Phillips screwdriver Procedure Step 1 Tap Shutdown on the LCD home screen Exercise caution because the device is still energized after it is shut down on the LCD Step 2 Open the rear door remove the air filter and switch off general circuit breakers AC1 and AC2 Step 3 Remove the pressure inl...

Page 170: ... air volume at the return air side using a plastic foam board or baffle plate and check whether the Air filter blocked alarm is generated If so the differential pressure switch works properly Then exit the diagnostic mode End 6 4 7 Replacing the T H Sensor Prerequisites The temperature and humidity T H sensor needs to be replaced A spare T H sensor of the same model is available and functional Con...

Page 171: ...nsistent with that on the original T H sensor That is the first toggle switch is ON and the others are OFF Step 6 Install the air filter Close and lock the rear door tap Start on the LCD home screen End 6 4 8 Replacing the Return Air Temperature Sensor Prerequisites The return air temperature sensor needs to be replaced A spare temperature sensor of the same model is available and functional Conte...

Page 172: ...ure sensor Step 4 Remove the waterproof connector from the temperature sensor cable and remove the return air temperature sensor probe Step 5 Secure the new return air temperature sensor to the original position using the R shaped pipe clip Step 6 Reconnect the waterproof connector to the sensor cable Step 7 Install the air filter Close and lock the rear door End 6 4 9 Replacing the Supply Air Tem...

Page 173: ...ped pipe clip that secures the supply air temperature sensor on the front door post and remove the supply air temperature sensor probe as shown in Figure 6 8 Figure 6 8 Position of the supply air temperature sensor Step 4 Remove the waterproof connector from the temperature sensor cable and remove the supply air temperature sensor probe Step 5 Secure the new supply air temperature sensor cable to ...

Page 174: ...nded tools utility knife needle nose pliers Preparation Maintain from the rear door Procedure Step 1 Tap Shutdown on the LCD home screen Exercise caution because the device is still energized after it is shut down on the LCD Step 2 Open the rear door and remove the air filter Step 3 Cut off the thermal insulation foam on the pipe where the sensor is secured Step 4 Use the needle nose pliers to cli...

Page 175: ...connector to the sensor cable and wrap thermal insulation foam Step 8 Install the air filter Close and lock the rear door End 6 4 11 Replacing a rectifier Prerequisites The rectifier needs to be replaced A spare and functional rectifier is available Context Preparation Maintain from the rear door with power off Procedure Step 1 Tap Shutdown on the LCD home screen Exercise caution because the devic...

Page 176: ...ctuator needs to be replaced A spare water valve actuator of the same model is available and functional Context Recommended tools and materials diagonal pliers cable tie small Phillips screwdriver water valve actuator to be replaced Preparation Maintain from the rear door with power off Procedure Step 1 Tap Shutdown on the LCD home screen Exercise caution because the device is still energized afte...

Page 177: ...actuator and turn the screwdriver in the specified direction to unscrew the actuator as shown by 3 in Figure 6 11 Step 4 Install the new water valve actuator by performing Step 3 3 to Step 2 connect the actuator cable and then secure the cable using cable ties Step 5 Open the rear door installation the air filter and turn on the AC1 and AC2 switches The shaft of the new actuator must be installed ...

Page 178: ...sing a small sized flat head screwdriver and cut off the cable ties of the actuator to ensure that the actuator cables are separated from the unit Step 4 Manually set the chiller water valve opening to 100 1 Pull out the actuator handle upwards as shown by 1 in Figure 6 12 Figure 6 12 Removing the actuator of the chilled water valve 2 Insert the hex key on the handle into the hole in the front of ...

Page 179: ...th the screws on the left The handle is kept upwards 2 Place the valve port of the T water valve body facing left as shown by 1 in Figure 6 14 Fit in the connecting plate with the screws on the left as shown by 3 in Figure 6 14 Keep the handle upwards as shown by 4 in Figure 6 14 Figure 6 14 Installing the actuator 1 Two way valve 2 Actuator 3 Connecting plate 4 Actuator handle 3 Connect cord end ...

Page 180: ...able Remove the water valve actuator before replacing the water valve as shown in Replacing the Chilled Water Valve Context Recommended tools and materials torque wrench adjustable wrench bucket thermal insulation foam utility knife new chilled water valve Preparations Maintain the rear door with power off Procedure Step 1 Tap Shutdown on the LCD home screen Exercise caution because the device is ...

Page 181: ... the air filter and turn on the AC1 and AC2 switches Step 8 Power on the device choose Maint Diagnostic Mode Enter on the home screen set the chilled water valve opening to an appropriate value and ensure that no water leaks Then exit from the diagnostic mode Step 9 Choose Maint Performance Maint on the home screen to access the Performance Maint screen Then clear the chilled water valve runtime E...

Page 182: ...e controller panel from the right or left side to prevent damaging the controller panel Figure 6 15 Replacing a controller panel 1 Use a Phillips screwdriver to remove the four screws from the controller panel 2 Pull out the controller panel and remove it Step 5 Install the new controller panel in the original position on the front door in a reverse order of Step 4 1 to Step 4 2 Step 6 Connect the...

Page 183: ...nt temperature and humidity changes You can choose to display the curves showing data changes of recent one hour one day seven days or 30 days Procedure Step 1 On the home screen tap T H Curve Figure 7 1 is displayed Figure 7 1 T H curve screen The temperature curve upper and the humidity curve lower are displayed on the same screen The abscissa shows time The temperature set point is the midpoint...

Page 184: ... can view the humidity from humidity set point 5 to humidity set point 5 at least and from humidity set point 50 to humidity set point 50 at most Specific humidity fluctuation range displayed varies according to different models of smart cooling products End 7 1 2 Querying Logs Context The Query Logs screen displays the operations performed by the user Procedure Step 1 On the home screen choose Ma...

Page 185: ...component status screen is displayed Figure 7 3 shows the screen displayed after choosing Running Status Summary Figure 7 3 General status When querying component status through Device Details using the T H sensor as an example choose Running Device Details T H Sensor on the home screen to query the status of the T H Sensor as shown in Figure 7 4 Figure 7 4 T H Sensor End 7 1 4 Querying System Par...

Page 186: ...d 7 1 5 Querying Version Details Context When the display board APP and control board APP versions are inconsistent in V200R002 version a red mark appears in upper right corner of About in home screen and Version Info in About screen as shown in and The red mark disappears when the display board and control board versions are consistent Procedure Step 1 On the home screen select About Step 2 On th...

Page 187: ...isplay board and temperature and humidity collection board When some T H boards of the cold or hot aisles are enabled T H Board on the About Version Info screen or T H Board on the About E label screen shows the information of these T H boards When some T H boards of the cold or hot aisles are disabled T H Board on the About Version Info screen or T H Board on the About E label screen does not sho...

Page 188: ...ve flag indicates the information of this single unit Other information is about the teamwork control information of the group End 7 1 7 How to Silence the Buzzer Context Silencing the buzzer After the buzzer is silenced it does not buzz when a new alarm is generated Procedure Step 1 Tap the icon in the status bar and tap Off to silence the buzzer After the buzzer is silenced the icon changes to E...

Page 189: ...rms are displayed in chronological order The latest generated alarm is displayed in the uppermost row If active alarms exist they are displayed on the alarm bar one by one You can query an alarm on the alarm list in related user manual for smart cooling product based on the alarm ID to view causes of the alarm and methods used to clear the alarm Step 2 Click each alarm to open the Details page whi...

Page 190: ...s can either be cleared automatically or manually Perform operations as required Step 3 Tap Diagnostic Mode to view the diagnosis report Rectify the faults following instructions in the diagnosis report Figure 7 12 Diagnosis report End Follow up Procedure To query historical alarms choose Common Function Query Hist Alarms or Alarms Query Hist Alarms on the home screen Historical alarms are display...

Page 191: ...l alarms After alarms are deleted the operation is recorded in logs End 7 1 10 Deleting Logs Context Logs can be deleted in a one click manner To delete logs log in as the admin user If you perform this operation all logs will be deleted and device maintenance will be affected Exercise caution when doing this operation Procedure Step 1 On the home screen choose Maint Log Maintenance Delete Logs Ye...

Page 192: ...formance Maint screen Step 2 Tap Clear of a specific performance parameter to clear its runtime End 7 1 12 Calibrating a Sensor Context Calibrate a sensor if the displayed temperature or humidity on the sensor deviates from the actual value For example if the return air temperature measured by other temperature detection devices at the return air detection point is 20 C while the value measured by...

Page 193: ...can be entered over the screen Calibrating the screen by DIP switch The display board works normally the deviation between the touching point and the responding point is unfavorably big or the screen does not respond when being tapped You can calibrate the screen by DIP switch only when the system enters Quick Settings page after the first power on or when the system is on the home screen Touch th...

Page 194: ...ibration will start automatically 10s later is displayed c Wait for 10 seconds or tap Confirm Figure 7 15 is displayed Tap the screen When Figure 7 16 is displayed the adjustment is complete d Flip toggle switch 1 for the display to ON and others to the opposite position After the DIP switch is calibrated flip toggle switch 1 to ON and others to the opposite position You need to manually operate t...

Page 195: ...e 07 2020 03 16 Copyright Huawei Technologies Co Ltd 187 Figure 7 17 User Settings Step 2 Tap Password to enter the password changing screen as shown in Figure 7 18 It is recommended that the password should contain at least two types of characters Figure 7 18 Modifying the password End ...

Page 196: ...ction describes how to set Threshold of Supply air high temperature alarm to 45 If you need to change alarm settings log in as the Admin user Be careful when configuring alarms Only professional maintenance personnel can change alarm settings Procedure Step 1 Choose Settings Alarm Settings T H Sensor on the home screen Figure 7 19 is displayed Figure 7 19 Setting alarm parameter 1 Step 2 Tap Thres...

Page 197: ...c Mode Enter The screen for entering the diagnostic mode Components are interlocked Therefore buttons for turning on or off certain components are in gray indicating that operations of the components are not allowed To ensure system security a component may not promptly respond to operations performed on this screen For example the compressor does not respond promptly after the Off On button is ta...

Page 198: ... solenoid valve will start automatically When the input value of the indoor fan is less than the minimum speed the indoor fan will run at the minimum speed Step 3 Check that the indoor fans run properly and no alarm generates Step 4 Choose Maint Diagnostic Mode Exit or tap to exit the diagnostic mode End 7 1 17 Restoring Factory Settings Context If you have forgotten the password or need to restor...

Page 199: ... affect other users To ensure information security and prevent malicious password reset you must keep the cabinet keys securely Figure 7 21 SW key 1 SW key Procedure Step 1 Check that the smart cooling product is shut down on the LCD Step 2 Hold down the SW key on the main control board for over 10s Step 3 The dialog box for restoring factory settings is displayed To continue restoring factory set...

Page 200: ...factory settings Figure 7 24 Factory settings restored Step 4 Disconnect the main power supply to the device and power it on again Step 5 After the restart completes the LCD displays the Quick Settings screen for setting parameters After the system is restored to factory settings the user password is also reset to the preset password and must be promptly modified to ensure information security and...

Page 201: ...r restoring defaults For details about how to use export configurations see 7 1 19 Exporting Data After default settings are restored all communication addresses are changed to 1 and the communication between all devices and the EMS is disconnected The communication addresses must be reset to recover the communication 7 1 19 Exporting Data Context With the one click mode you can export active alar...

Page 202: ...en as shown in Figure 7 25 Figure 7 25 Select path Step 2 Tap the file where the user saves current data in the Select Path dialog box and tap Next Then tap Yes in the displayed dialog box Step 3 After the data is successfully exported Figure 7 26 is displayed Click Finish Figure 7 26 Screen showing that data export has succeeded Step 4 Click Maint USB Operations Remove USB to remove the USB flash...

Page 203: ...er configurations for smart cooling product 1 to a USB flash drive If smart cooling product 2 needs the same parameter configurations import the configuration file to smart cooling product 2 Procedure Step 1 Tap Maint USB Operations Export on the screen of smart cooling product 1 to enter the Select Path screen as shown in Figure 7 27 Figure 7 27 Select path Step 2 Tap the file where the user save...

Page 204: ... Screen showing that data export has succeeded Step 4 Click Maint USB Operations Remove USB to remove the USB flash drive in safe mode Step 5 Tap Maint USB Operations Import Config on the screen of smart cooling product 2 as shown in Figure 7 29 Figure 7 29 Select file Step 6 Select the file that needs to be imported and tap Next as shown in Figure 7 30 ...

Page 205: ...r Smart Cooling Product User Manual 7 FAQ Issue 07 2020 03 16 Copyright Huawei Technologies Co Ltd 197 Figure 7 30 Confirming the file Step 7 After you tap Confirm and Next Figure 7 31 and Figure 7 32 are displayed Figure 7 31 Data process 1 ...

Page 206: ...hen tap Finish Figure 7 33 Importing the file successfully If the file fails to be imported a failure message will be displayed Step 9 Tap Maint USB Operations Remove USB to remove the USB flash drive End 7 1 21 How to Import a Certificate and a Key Prerequisites You have obtained CA certificate file local certificate file and key file into a USB disk that is connected to the USB port located on t...

Page 207: ... in Figure 7 34 Figure 7 34 Importing a certificate Step 2 Select Client certificate or Server certificate based on the type of the certificate in use Step 3 Tap Browse next to Upload CA certificate file 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...

Page 208: ...Upper limit of water supply temperature Lower limit of water supply temperature Parameters of Indoor fan Min indoor fan speed Min indoor fan speed in silent mode Medium indoor fan speed in silent mode Max indoor fan speed in silent mode Max indoor fan speed Min return supply air temp difference in silent mode Medium return supply air temp difference in silent mode Max return supply air temp differ...

Page 209: ...ration rights Administrator The user name is admin and password is Changeme by default The administrator has all rights including the rights for user management browsing and modifying parameters software upgrade and data import and export Operator The user name is operator and password is Changeme by default Operator has no rights for network security certification Modbus SNMP software upgrade and...

Page 210: ...ter Smart Cooling Product User Manual 7 FAQ Issue 07 2020 03 16 Copyright Huawei Technologies Co Ltd 202 Figure 7 35 Changing the login password 4 Input the Login password and click Submit Figure 7 36 Recertification Step 2 Add a WebUI user ...

Page 211: ...PC Install a network security certificate if a security certificate problem message is displayed when you attempt to log in to the WebUI You need to apply to an organization authorized by the customer for a network security certificate and its key with the IP address or domain name This section describes how to import the certificate and key Procedure Step 1 Log in to the WebUI as an administrator...

Page 212: ...tions for smart cooling product 1 to a PC If smart cooling product 2 needs the same parameter configurations import the configuration file to smart cooling product 2 Procedure Step 1 Log in to the smart cooling product 1 WebUI as an administrator Step 2 Choose Maintenance Configuration File Step 3 Export a configuration file 1 Optional Specify Configuration File Encryption Password Record the pass...

Page 213: ...ct Encryption Password for Export Record the password for decompressing the data package Step 4 Click Export Fault Information Step 5 Save the exported data to the PC End 7 2 6 How Can I Change the Smart Cooling Product IP Address on the WebUI Context You have obtained the IP address subnet mask and default gateway information planned for the smart cooling product Procedure Step 1 Log in to the sm...

Page 214: ...hnologies Co Ltd 206 7 2 7 How Can I View Version Information Procedure Step 1 Log in to the WebUI as an administrator Step 2 Click in the upper right corner of the home page and view the version information Step 3 Choose Maintenance Version Information and view the version information software version and BSP version End ...

Page 215: ...in accordance with local laws To prevent glycol solution from corroding pipes and the heat exchanging coil corrosion inhibitor should be mixed into the glycol solution For details about the mixing schemes consult glycol experts Check the quality of the glycol solution on a quarterly basis and evaluate the anticorrosion effects For details consult local water treatment experts Table A 1 Glycol conc...

Page 216: ...uawei Technologies Co Ltd 208 B Acronyms and Abbreviations C CAN Controller Area Network CFD Computational Fluid Dynamics E EC Electronic Commutation F FE fast Ethernet N NTC Negative Temperature Coefficient P PID Proportional Integral and Derivative PSU Power Supply Unit R RCCB Residual Current Circuit Breaker S SC Simple Configuration ...

Page 217: ...Col5000 C 065 080 In row Chilled Water Smart Cooling Product User Manual C Base Dimensions Issue 07 2020 03 16 Copyright Huawei Technologies Co Ltd 209 C Base Dimensions Figure C 1 Base Dimensions unit mm ...

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