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NetCol5000-A025 In-row Air Cooled Smart

Cooling Product

User Manual (300 mm Width)

Issue

Date

2020-12-10

HUAWEI TECHNOLOGIES CO., LTD.

Summary of Contents for NetCol5000-A025

Page 1: ...NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width Issue 15 Date 2020 12 10 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...cribed 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 change without notice Every effort has been made in the prep...

Page 3: ...es for the electric heater humidifier and water pump Intended Audience This document is intended for Sales personnel Technical support personnel System engineers Hardware installation personnel Commissioning engineers Data configuration engineers Maintenance personnel Symbol Conventions The symbols that may be found in this document are defined in the following table Symbol Description Indicates a...

Page 4: ...ss 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 15 2020 12 10 Updated section Replacing the Indoor Fan Issue 14 2020 07 21 Added the description of versions that do not support Modbus TCP Issue 13 2020 07 03 Added...

Page 5: ...film humidifier Issue 04 2018 03 19 Optimization and Maintenance Issue 03 2017 01 23 Updated contents in the controller section Issue 02 2016 10 25 Updated the description about teamwork networking and monitoring Added the description about replacing the filter dryer Issue 01 2016 05 04 This issue is the first official release NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300...

Page 6: ...tion Environment 21 2 6 Technical Specifications 25 3 Installation Guide 27 3 1 Installation Preparations 27 3 1 1 Preparing Tools 27 3 1 2 Material Preparations 30 3 1 2 1 Optional Refrigerant R410A 31 3 1 2 2 Optional Refrigerant Oil 32 3 1 2 3 Optional Oil Trap and Inverted Trap 32 3 1 2 4 Humidifier Water Inlet Pipe 33 3 1 2 5 Drainpipe 34 3 1 2 6 Pipe Support 35 3 1 2 7 Cable 36 3 1 2 8 Engin...

Page 7: ...idifier 69 3 10 4 Leakage Test with Nitrogen 71 3 11 Connecting Cables 73 3 11 1 Port for Connecting the Power Cable 73 3 11 2 Connecting the Indoor Unit Power Cable 74 3 11 3 Connecting the Outdoor Unit Power Cable 78 3 11 4 Connecting Signal Cables 79 3 11 4 1 Preparations Before Cable Connections 79 3 11 4 2 Connecting the Outdoor Unit On Off Signal Cable 82 3 11 4 3 Connecting the Water Sensor...

Page 8: ...nd Enabling T H Sensors 136 4 5 3 2 Setting Teamwork Control Parameters 138 4 5 3 3 Setting Communications Parameters 146 4 5 3 3 1 Setting Communications Parameters Modbus RTU Protocol 146 4 5 3 3 2 Setting Communications Parameters Modbus TCP Protocol 146 4 5 3 3 3 Setting Communications Parameters SNMP Protocol 148 4 5 3 4 Optional Setting WIFI Parameters 153 4 5 4 Startup 154 4 5 5 Charging th...

Page 9: ...s 266 7 1 2 Querying Logs 267 7 1 3 Querying Component Status 267 7 1 4 Querying System Parameters 268 7 1 5 Querying Version Details 269 7 1 6 How to View Teamwork Control Information 270 7 1 7 How to Silence the Buzzer 271 7 1 8 How Can I Handle Active Alarms 271 7 1 9 Deleting Historical Alarms 273 7 1 10 Deleting Logs 274 7 1 11 Clearing the Runtime 274 7 1 12 Calibrating a Sensor 274 7 1 13 C...

Page 10: ...g Product IP Address on the WebUI 291 7 2 7 How Can I View Version Information 292 A Electric Control Box Layout 293 B Layout of the Cooling System 296 C Base Dimensions 298 D Indoor Unit Electrical Conceptual Diagram 300 E Acronyms and Abbreviations 306 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width Contents Issue 15 2020 12 10 Copyright Huawei Technologies Co Lt...

Page 11: ...w local laws and regulations when installing 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 o...

Page 12: ...n operation and maintenance Before handling 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...

Page 13: ...uring equipment transportation or installation in a timely manner Equipment 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 struc...

Page 14: ...onals personnel who are trained or experienced in equipment operations 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 ...

Page 15: ...ties must be performed by qualified personnel Cabling When routing 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 or ZB flame spread rating requirements or higher B...

Page 16: ...ing materials before storing or transporting them Figure 1 1 Wearing an ESD wrist strap Neutral Ground Voltage It is recommended that the three phase loads be equalized and the neutral ground voltage be kept at less than 2 V to meet power distribution requirements 1 4 Installation Environment Requirements To prevent fire due to high temperature ensure that the ventilation vents or heat dissipation...

Page 17: ...ear personal protective equipment such as the safety helmet and safety belt or waist rope and fasten it to a solid structure Do not mount it on an insecure moveable object or metal object with sharp edges Make sure that the hooks will not slide off Set a restricted area and eye catching signs for working at heights to warn away irrelevant personnel Carry the operation machinery and tools properly ...

Page 18: ...erglass ladders when you need to perform live working at heights When a step ladder is used ensure that the pull ropes are secured and the ladder is held firm Before using a ladder check 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...

Page 19: ...inside Metal shavings from drilling may short circuit boards inside the equipment Obtain the consent from the customer and subcontractor before drilling Wear goggles and protective gloves when drilling holes When drilling holes protect the equipment from shavings After drilling clean up any shavings that have accumulated inside or outside the equipment Moving Heavy Objects DANGER When removing a h...

Page 20: ... Safety Welding At least two persons are required on a welding site A welder must have a work permit A welding site must be free from inflammables Ensure that a fire extinguisher wet wiper and water container are available A burning welding torch must not be placed on a component or on the floor and must not be placed in a metal container with acetylene and oxygen Otherwise the gas may leak and ca...

Page 21: ...ther wastes that have a shell in European Union EU areas To avoid environment pollution and harm to human health wastes must be classified and recycled This also promotes resource reuse When recycling a device fill in the device information in the recycling collection system or contact your dealer for help The dealer can help you recycle devices in a safe and environment friendly way 1 7 Others Ex...

Page 22: ... Description Figure 2 1 Designation explanation for the NetCol5000 A NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 2 Product Description Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 12 ...

Page 23: ...in standard configurations are 2000 mm x 300 mm x 1100 mm as shown in Figure 2 3 The equipment depth can be extended to 1200 mm by adding an enclosure frame to the front door NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 2 Product Description Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 13 ...

Page 24: ...ressor and brings back the separated lubricant to the compressor EC fan The EC fan implements stepless speed adjustment Heat exchanger The efficient finned evaporator an important part in the cooling system absorbs heat from indoor air to ensure that the indoor temperature and humidity meet requirements Electronic expansion valve The flow regulator uses a micro controller to control the motor oper...

Page 25: ...r pump provides power for top drainage with a maximum lift of 4 meters 2 3 Controller 2 3 1 Appearance and Ports Appearance The controller provides a 7 inch true color touchscreen and man machine interfaces for query setting monitoring and maintenance The indicator on the panel displays operating status of the smart cooling product Figure 2 4 shows the position of the indicator Table 2 1 describes...

Page 26: ...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 Ports Figure 2 5 Controller side ports NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 2 Product Description Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 16 ...

Page 27: ...un logs and upgrade software 6 RST restart switch for the display 7 SD Reserved 8 SW1 4 Dual in line package DIP switch on LCD 2 3 2 Function and Features Function Single unit control Provides logic control for the components of a single smart cooling product to ensure that the indoor temperature and humidity meet requirements Display operation Provides a 7 inch touchscreen for you to set paramete...

Page 28: ...up to ensure the system security No password verification is required for subsequent startup if the first verification succeeds The display panel displays the operating status and duration of the smart cooling product components in real time The fault diagnosis system automatically displays the information about current faults which facilitates the maintenance The controller provides a variety of ...

Page 29: ...t cooling product can be set as the master unit NOTE FE teamwork network applies to only the scenario when smart cooling products are monitored by the ECC800 Figure 2 6 Northbound RS485 monitoring network diagram NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 2 Product Description Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 19 ...

Page 30: ...ing network diagram Figure 2 8 CAN teamwork network diagram NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 2 Product Description Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 20 ...

Page 31: ...stallation requirements and water quality requirements of the NetCol5000 A Environmental Specifications Table 2 3 Environmental specifications Item Specifications Operating temperature 18 45 C Operating humidity 20 80 RH Storage temperature 40 C to 70 C Storage humidity 5 95 RH non condensing NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 2 Product Description Iss...

Page 32: ...a reference the Table 2 4 Table 2 4 Altitude table Height 0 1000 1500 2000 2500 3000 3500 4000 Density correction 1 0 88 7 0 83 5 0 78 5 0 73 7 0 69 2 0 64 9 0 60 8 Air volume correction 1 0 88 7 0 83 5 0 78 5 0 73 7 0 69 2 0 64 9 0 60 8 Refrigeration volume correction 1 0 94 0 0 90 9 0 87 8 0 84 6 0 81 5 0 78 4 0 75 3 Physical Ports Table 2 5 Physical ports Item Specifications Refrigerant liquid ...

Page 33: ... a base or an ESD floor Pipe and cable routing Cables and pipes can be routed from the top or bottom Equivalent length of one way pipe 80 m Height difference between the indoor and outdoor units If the outdoor unit is placed higher than the indoor unit the maximum vertical distance between them is 20 m If the indoor unit is placed higher than the outdoor unit the maximum vertical distance between ...

Page 34: ...ater that meets the following requirements Non freezing and nephelometric turbidity units NTU 3 No visible substances 6 5 pH value 8 5 Total hardness in CaCO3 450 mg L Water Quality Requirements for Electrode Humidifiers NOTICE If the inlet water contains large granules install a water filtering device at the inlet port to prevent pipe blockage The inlet water pressure should be in the range of 0 ...

Page 35: ...m cabinet with an enclosure frame customizable 2200 mm x 300 mm x 1200 mm cabinet with top and enclosure frames Net weight 230 kg Environmental friendliness REACH RoHS NOTICE For a smart cooling product with heating and humidification functions the general switch is a 40 A feature C switch that does not derate at 45 C If the switch derates largely when the temperature changes verify that the switc...

Page 36: ... range is 342 457 V and frequency range is 47 63 Hz Voltage If upstream voltage fluctuation exceeds the rated voltage 10 you are advised to add a voltage regulator Otherwise the smart cooling product may generate alarms frequently and fail to work properly Heating No Yes No Yes Yes Yes Humidificatio n No Yes No Yes Yes Yes Pipe routing Top and bottom pipe routing Bottom pipe routing Top and bottom...

Page 37: ... as required Table 3 1 General tools Appearance Specifications and Name Adjustable wrench 12 19 Phillips screwdriver M4 M6 M8 Flat head screwdriver M3 M4 Socket wrench 10 mm 18 mm Torque wrench 28 mm Solid wrench 12 13 18 Hex key 6 mm Right angle Needle nose pliers Diagonal pliers Claw hammer Protective gloves NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Insta...

Page 38: ... bearing capacity 400 kg Lever bearing capacity 400 kg Table 3 3 Pipe installation tools Appearance Specifications and Name Cutter Water pipe thread sealanta Welding torch 5 silver solder Oxygen Acetylene Hot melt tool for rigid pipes Nitrogen NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co L...

Page 39: ...3 MPa Conforms to JB T7311 2008 engineering mechanical the anaerobic adhesive application technology specification Table 3 4 Electrical installation tools Appearance Specifications and Name ESD gloves Insulation gloves Wire stripper Polyvinyl chloride PVC insulation tape Heat gun Crimping tool N A N A N A N A Table 3 5 Commissioning tools Appearance Specifications and Name Pressure gauge 2 PCS a L...

Page 40: ... frostbite b The airflow between 7 2m h and 14 4m h is recommended Absolute vacuum 60 Pa c Dry nitrogen d A reducing valve is required at the outlet of the nitrogen cylinder and the reducing valve range 4 0 MPa 3 1 2 Material Preparations Materials are classified to Huawei provided self purchased and onsite prepared materials which are marked as mandatory optional and engineering purchasing in thi...

Page 41: ...nect a pressure gauge to the container to measure its internal pressure Determine the saturation pressure that corresponds to the measured external surface temperature according to Table 3 6 and calculate the deviation from the measured internal pressure If the deviation is more than 0 2 MPa the refrigerant is not qualified and should be replaced Figure 3 1 Checking refrigerant Table 3 6 Mapping b...

Page 42: ...3 1 94 52 3 11 15 1 16 34 1 99 53 3 19 16 1 19 35 2 04 54 3 26 17 1 23 36 2 1 55 3 34 18 1 27 37 2 15 N A N A 3 1 2 2 Optional Refrigerant Oil The recommended refrigerant oil is RL32H Emkarate You can purchase it from Huawei or another vendor The refrigerant oil purchased from another vendor should be confirmed by Huawei 3 1 2 3 Optional Oil Trap and Inverted Trap NOTICE The operating pressure of ...

Page 43: ... 0 mm x 1 0 mm Inner diameter of flared ends of the copper pipe 16 0 mm NOTE After the traps are made verify that the surface is smooth and even and that there is no bur at the pipe ends Pipe bends not marked in the figure are 90 The bend tolerance is 1 mm 3 1 2 4 Humidifier Water Inlet Pipe Humidifier water inlet pipes are not required by the models without heating or humidification functions The...

Page 44: ... cooling products The hose clamp as shown by 5 in the preceding figure is provided in standard configuration Other parts are not provided and need to be purchased 3 1 2 5 Drainpipe NOTICE A drainpipe should be able to withstand a temperature greater than 85 C Otherwise pipe deformation may occur for equipment configured with a humidifier A drainpipe can be connected in two ways Top pipe routing Fo...

Page 45: ...ction NOTE Components inside the dashed line boxes are ports on the equipment Components 2 4 and 5 are mandatory Other components are subject to engineering procurement 3 1 2 6 Pipe Support Figure 3 5 shows supports for refrigerant pipes and water pipes The actual appearance of the supports will be different based on onsite situations Figure 3 5 Pipe supports unit mm NetCol5000 A025 In row Air Coo...

Page 46: ...or unit Power cable optional Electrical power cable 600 V ZA RVV 5 x 6 mm2 black five core wires red yellow green blue black 46 A outdoor cable CE 32 A The length is determined in presale survey Dual power supply 2 PCS Single power supply 1 PCS M6 OT terminal Bare crimp terminal OT 6 mm2 M6 50 A tin plating 12 10 AWG yellow Delivered with the fittings Cord end terminal Common terminal single cord ...

Page 47: ... Applicable to the dry contact and RS485 connection the length is determined by site survey 1 PCS Power cable optional Electronic electric cable 300 V 500 V 60227 IEC 10 BVV 3 x 2 5 mm2 black 3 core wires brown blue green and yellow 27 A outdoor cable CCC CE The length is determined by site survey M4 OT terminal Bare crimp terminal OT 2 5 mm2 M4 27 A tin plating 16 14 AWG Delivered with the fittin...

Page 48: ...table running of the system The detailed specifications are as follows Table 3 9 Water softener specifications Item Specifications Water flow 0 5 m3 h Water inlet pressure 0 1 0 7 MPa Water inlet temperature 1 40 C Water inlet hardness 800 mg L Water outlet hardness 3 mg L Filtration rate 20 25 m h Design pressure 0 6 MPa Operating pressure 0 2 0 45 MPa Operating temperature 5 50 C 3 1 3 Deploymen...

Page 49: ...be closed to reduce the additional load of the NetCol5000 A Take appropriate thermal insulation and antifreeze measures for outdoor water pipes to avoid poor drainage and insufficient water supply caused by freezing Figure 3 6 Maintenance space requirements unit mm 1 NetCol5000 A 2 Equipment 3 1 4 Precautions Before installing the smart cooling product read this section carefully and perform insta...

Page 50: ...5000 A are as follows If the outdoor unit is placed higher than the indoor unit the maximum vertical distance between them is 20 m To ensure the NetCol5000 A reliability make an oil trap every 5 m to 6 m along pipes in the vertical direction If the indoor unit is placed higher than the outdoor unit the maximum vertical distance between them is 5 m NetCol5000 A025 In row Air Cooled Smart Cooling Pr...

Page 51: ...ight triangle If the indoor unit is placed higher than or equal to the outdoor unit inverted traps or oil traps are not needed Protective tubes should be installed for wall and floor through pipes The spacing between the protective tubes and pipes should be filled with fireproof mud recommended Figure 3 8 Routing pipes from the bottom 1 Inverted traps 2 Oil traps 3 Tilted gas pipe 4 Tilted liquid ...

Page 52: ...If any damage is found contact the shipping company immediately Step 2 Unpack the product 1 Remove the straps top cover outer packing cushioning materials and then plastic film as shown in Figure 3 10 Figure 3 10 Unpacking NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 42 ...

Page 53: ...nfasten the rotating baffle plates in the air filters and remove the air filters Figure 3 11 Removing air filters Step 3 Take out the desiccant bag Step 4 Check whether the needle valve bonnets shown in Figure 3 12 exist If they do not exist contact Huawei technical support If they exist remove each valve bonnet and use it to press the valve plugs in turn If air is exhausted the system is working ...

Page 54: ...ench to remove the eight M6x16 bolts securing the sheet metal fasteners to the cabinet and use an 18 socket wrench to remove the four M12x35 bolts securing the sheet metal fasteners to the pallet as shown in Figure 3 13 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 44 ...

Page 55: ...es The cabinet has been removed from the pallet Context At least two persons are assigned to transport the cabinet Figure 3 14 shows the cabinet transport tool NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 45 ...

Page 56: ...entire cover as shown in Figure 3 15 Figure 3 15 Removing cover bolts NOTICE Secure the transport tool to the cabinet through the hole near the cabinet door Step 2 Wrench an anchor bolt clockwise to elevate a cabinet insert the end without a cover of the transport tool into the bottom of the cabinet and secure the transport tool to the cabinet as shown in Figure 3 16 NetCol5000 A025 In row Air Coo...

Page 57: ...ar the cabinet door Step 4 Secure the transport tool to the cabinet using M6x16 bolts as shown by 2 in Figure 3 17 Step 5 Wrench an anchor bolt anticlockwise to lower a cabinet move the cabinet to the installation place using the transport tool and then remove the transport tool End NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 ...

Page 58: ...of the compressor using a 13 socket wrench take out the transport fasteners under the bolts and then tighten the bolts to a recommended torque of 13 N m using a torque wrench as shown in Figure 3 18 NOTICE Store the removed transport fasteners They should be reinstalled if the equipment needs to be transported in future Figure 3 18 Removing the transport fasteners from a compressor NetCol5000 A025...

Page 59: ... delivery Step 2 Optional Remove the liquid level detector transport fastener 1 Open the front door use a Phillips screwdriver to remove the four M4x10 screws from the cover and remove the cover as shown in Figure 3 19 Figure 3 19 Removing a water pan cover 2 Remove the two M4x10 screws from the liquid level detector transport fastener and remove the transport fastener as shown in Figure 3 20 NetC...

Page 60: ...s shown in Figure 3 21 NOTE The interconnection terminal of the high liquid level detector has been connected before delivery Figure 3 21 Connecting the interconnection terminal NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 50 ...

Page 61: ... 8 Installing the Indoor Unit 3 8 1 Preparing Knock out Holes Procedure Step 1 Mark cable holes on the floor based on the sizes of cable holes at the bottom of the indoor unit as shown in Figure 3 23 Then drill the cable holes in the floor NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 5...

Page 62: ...Bottom refrigerant gas pipe hole Φ43 mm 4 Bottom drainpipe hole Φ43 mm 5 Bottom refrigerant liquid pipe hole Φ43 mm 6 Bottom humidifier water inlet pipe hole Φ43 mm 7 Top refrigerant gas pipe hole Φ43 mm 8 Top refrigerant liquid pipe hole Φ43 mm 9 Top drainpipe hole Φ43 mm 10 Top active AC1 cable hole Φ28 mm 11 Top standby AC2 cable hole Φ28 mm 12 Top outdoor unit AC3 cable hole Φ28 mm 13 Top sign...

Page 63: ... feet at the four corners instead of one foot Before leveling the cabinet use a measuring tape to check that the vertical distance between the top of the cabinet and the floor is 2000 3 mm Do not remove the leveling feet as the reinstallation can be difficult when you need to use them Figure 3 24 Leveling feet 3 8 3 Optional Installing the Enclosure Frame Procedure Step 1 Open the front door cut o...

Page 64: ...put back the NTC cable Connect the ground cable under the front door to the ground point marked on the enclosure frame Step 5 Bind the LCD and the NTC cables to the previous binding position using cable ties and install the front door Figure 3 25 Installing an enclosure frame End 3 8 4 Combining Cabinets Loosen the screws on the cabinet connecting plates on the rear door side post and combine the ...

Page 65: ... to the base If there is no base secure the indoor unit to the floor Figure 3 27 shows the distances between mounting holes in the indoor unit NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 55 ...

Page 66: ...se Step 1 Secure the base to the floor using four M12 expansion bolts Step 2 Place the cabinet onto the base and secure the cabinet to the base using four M12x90 bolts available in the fitting bag as shown in Figure 3 28 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 56 ...

Page 67: ...Base Step 1 Drill holes in the floor based on the hole distances shown in Figure 3 27 Step 2 Place the cabinet at the designated position and secure it to the floor using four M12 expansion bolts as shown in Figure 3 29 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 57 ...

Page 68: ...anchor baffle plate to the cabinet using four M5x10 tapping screws as shown in Figure 3 30 NOTICE The bent flange of the anchor baffle plate faces the cabinet Baffle plates for the front and rear doors are installed in the same way NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 58 ...

Page 69: ...te 3 9 Exhausting Nitrogen Context Figure 3 31 shows the positions of needle valves NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 59 ...

Page 70: ...a sound of strong air flow when air is being exhausted Step 2 Connect a hose to the liquid pipe needle valve low pressure needle valve and discharge pipe need valve in turn to slowly exhaust nitrogen Step 3 Reinstall the valve bonnets until no air exhausts from the needle valves End 3 10 Connecting Pipes 3 10 1 Connecting Refrigerant Pipes NetCol5000 A025 In row Air Cooled Smart Cooling Product Us...

Page 71: ...outed Seal the ends of the copper pipes to prevent foreign matter from entering the refrigerant pipes All refrigerant pipes should be wrapped with thermal insulation foam Avoid elbows and ensure that the pipe route between the indoor and outdoor units is as short as possible Use a rubber hose to connect the nitrogen cylinder which connecting the reducing valve and the end of the copper pipe then f...

Page 72: ...ct refrigerant pipes based on Figure 3 32 If the direction of a refrigerant pipe changes add a support at the position 500 mm before and after the changing point respectively If a refrigerant pipe is straight add a support every 1500 mm NOTE Site personnel should prepare the required materials and install the supports For detailed requirements on the pipe support see Figure 3 2 Figure 3 32 Install...

Page 73: ...ge nitrogen into pipes through the discharge pipe needle valve when welding gas pipes Slowly charge nitrogen into pipes through the liquid pipe needle valve when welding liquid pipes Figure 3 33 Routing pipes from the bottom 1 Gas pipe 2 Liquid pipe Figure 3 34 Welding schematic diagram Step 2 Take out two straight pipes whose diameters are 3 4 inch and 5 8 inch respectively from the fitting bag a...

Page 74: ...t Step 4 When you route pipes from the top melt the plugs at the ends of the refrigerant pipe using a welding torch and weld the refrigerant gas and liquid pipes respectively to the gas and liquid pipes for the outdoor unit as shown in Figure 3 35 Figure 3 35 Routing pipes from the top 1 Liquid pipe 2 Gas pipe End 3 10 2 Connecting Drainpipes NetCol5000 A025 In row Air Cooled Smart Cooling Product...

Page 75: ...uting description Drainage Mode Pipe Routing Mode Connection Method Water pump Top See A in Figure 3 4 Bottom See B and C in Figure 3 4 Self drainpipe Bottom See B and C in Figure 3 4 A water pump drainpipe can be routed from the top or bottom Determine the pipe routing mode based on site conditions Bottom Pipe Routing Use a flat head screwdriver to remove the hose clamp from the pipe and take out...

Page 76: ...e an adjustable wrench to remove the water pipe plug from the top of the NetCol5000 A and connect the drainpipe as shown in Figure 3 37 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 66 ...

Page 77: ...idable take measures to protect the servers from being affected by pipe leaking Do not remove the humidifier water inlet pipe to prevent sealing failure between the water inlet pipe and the humidifier cylinder 3 10 3 1 Optional Connect the Water Inlet Pipe to the Electrode Humidifier The humidifier water inlet pipe is a hose installed under the humidifier When connecting the hose straighten the ho...

Page 78: ...he right side post of the cabinet Figure 3 38 Routing a humidifier water inlet pipe from the bottom NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 68 ...

Page 79: ...hose installed under the humidifier When connecting the hose straighten the hose as shown by Figure 3 40 and Figure 3 41 NOTICE After routing pipes secure it with cable ties along the right side post of the cabinet NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 69 ...

Page 80: ...outing a humidifier water inlet pipe from the bottom NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 70 ...

Page 81: ...ge to avoid nitrogen leaks The nitrogen injection ports are located at the low pressure needle valve and discharge pipe needle valve as shown in Figure 3 42 If a low temperature component is connected it is recommended that you inject nitrogen from the liquid pipe needle valve low pressure needle valve and discharge pipe needle valve shown in Figure 3 43 at the same time NetCol5000 A025 In row Air...

Page 82: ...he outlet pressure of the reducing valve is greater than 3 0 MPa some parts of the system may be damaged Figure 3 42 Leakage test with nitrogen 1 Nitrogen cylinder 2 Reducing valve 3 Low pressure gauge 4 High pressure gauge 5 Discharge pipe needle valve 6 Low pressure needle valve NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12...

Page 83: ...nging ambient temperature conditions If the pressure has a slight deviation due to great change in the ambient temperature perform the test again Step 3 If welding defects exist locate and repair the leaks If the pressure does not change exhaust nitrogen through the injection needle valves End 3 11 Connecting Cables 3 11 1 Port for Connecting the Power Cable Figure 3 44 shows the port layout on th...

Page 84: ...ignal port X103 connection not required onsite 10 Fuse FU1 oil heating belt fuse FU2 FU3 contactor coil fuse a 11 Outdoor unit power AC3 12 External signal port X301 X302 connected by yourself 13 Cable clip NOTE a For some models the oil heating belt fuse and contactor coil fuse are inside the electric control box 3 11 2 Connecting the Indoor Unit Power Cable Prerequisites Before connecting cables...

Page 85: ...e AC1 and AC2 terminals See Figure 3 45 and Figure 3 46 Step 2 Connect the PE cable to the cabinet ground bar as shown in Figure 3 45 and Figure 3 46 DANGER Ensure that there is no reverse or open phase for the input power cable of the smart cooling product NOTICE When there is only one power supply the power cable must connect to the active power port AC1 The ground cable must meet the local elec...

Page 86: ...uting power cables in the single power supply scenario NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 76 ...

Page 87: ...the dual power supply scenario Step 3 Connect the equipotential ground cable NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 77 ...

Page 88: ...minal Figure 3 48 shows the cable routes CAUTION Keep cables away from the compressor fan and copper pipe if unavoidable take protective measures and connect cables securely NOTICE Ensure that the cables are connected in the correct phase sequence For the NetCol500 A026SC11E0 only the L3 N and PE ports of the AC3 terminal need to be connected NetCol5000 A025 In row Air Cooled Smart Cooling Product...

Page 89: ...connecting cables determine the cable routes based on engineering survey Figure 3 49 shows the zoomed in view of the external signal ports that are used for alarm output from the main control board and access of the outdoor unit startup and shutdown remote startup and shutdown of the indoor unit water sensor smoke sensor and mains failure alarm signals NetCol5000 A025 In row Air Cooled Smart Cooli...

Page 90: ...r feedback 5 Remote startup and shutdown Remote startup and shutdown 6 Remote startup and shutdown 7 Water sensor Water leak detection contact 1 water leak in the floor 8 Water leak detection contact 1 water leak in the floor X302 1 Outdoor unit RS485 control RS485 SW 2 RS485 SW 3 GND ISO 4 Dry contact alarm 1 Dry contact alarm 1 5 Dry contact alarm 1 6 Dry contact alarm 2 Dry contact alarm 2 7 Dr...

Page 91: ...l signal port After the cable is connected to the female connector reconnect the connector to the wiring terminal Avoid reverse connection for X301 and X302 terminals Figure 3 50 Routes of the outdoor unit on off signal cable dry contact and water sensor signal cable NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright ...

Page 92: ...tact or an RS485 port by default Outdoor fan control mode is set to Communicate by default If the signal cable connects to a dry contact choose Settings System Settings Outdoor Fan Outdoor fan control mode and set Outdoor fan control mode to Dry contact NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technol...

Page 93: ...ection ring on the top or bottom from the outside then through the cable hole on the top or bottom of the electric control box along the outside of the electric control box Step 2 Connect signal cables RS485 connection Connect one end of the cable to points 1 2 and 3 on the external signal port X302 and the other end to ports 3 4 and 5 on the outdoor unit Figure 3 51 shows the signal cable route D...

Page 94: ...rm indicator 11 Run indicator 12 Power indicator Table 3 14 Indicator description Name Color Status Description Power indicator Green Steady on The power input is normal Off There is no power input Run indicator Green Blinking The device is in the state of startup Off The device is in the state of shutdown Alarm indicator Red Steady on A failure alarm is generated Off No alarm is generated NetCol5...

Page 95: ...same model 3 11 5 2 1 CAN teamwork networking In CAN networking a maximum of 32 smart cooling products can be teamworked Figure 3 53 Pin sequence of can teamwork networking cable Step 1 Connect the CAN_OUT port of each smart cooling product to the CAN_IN port of the following smart cooling product using a CAN network cable NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm ...

Page 96: ...Figure 3 54 CAN teamwork networking NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 86 ...

Page 97: ...erating the DIP switch on the main control module Toggle Switch Default Value Site Operations 1 OFF Non teamwork control remaining OFF Teamwork control Flip toggle switch 1 of the first and last smart cooling products in the network to ON and toggle switch 1 of the other smart cooling products to OFF 2 ON Monitoring branch switch If you need to enable the monitoring of northbound devices by group ...

Page 98: ...etworking Figure 3 56 Pin sequence of the FE network cable Step 1 Connect one end of the FE network cable to the FE_1 port on the main control module and the other end to the PoE port on the smart ETH gateway Figure 3 57 FE teamwork network diagram 1 Smart ETH gateway NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright...

Page 99: ...u are advised to group smart cooling products by four and connect the COM port of the main control module of the first smart cooling product in each group to the RS485 port of the EMS Figure 3 59 RS485 line sequence Group smart cooling products for monitoring based on performance requirements and connect the monitoring network cables If there is no teamwork control or in FE networking connect the ...

Page 100: ...gure 3 60 Connecting the RS485 monitoring NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 90 ...

Page 101: ... 11 5 3 2 FE Monitoring Network Figure 3 62 Pin sequence of the FE network cable NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation Guide Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 91 ...

Page 102: ...s regardless of teamwork networking Figure 3 63 Teamwork network diagram 1 Smart ETH gateway Figure 3 64 Connecting the FE monitoring network cable 3 11 6 Connecting T H Sensors Outside Cabinets To connect T H sensors outside cabinets you need to connect cables to the sensors and set their DIP switches NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 3 Installation ...

Page 103: ...gured to detect the temperature and humidity of cold and hot aisles The T H sensor can be flexibly installed on a server cabinet based on site requirements It is recommended that T H sensors be deployed near heat sources in the hot aisle or near places which lack cooling air in the cold aisle Procedure Step 1 Connect the T H sensor outside the cabinet and the T H sensor at the return air side in s...

Page 104: ...6 DIP switch setting for a T H sensor Positi on Name Addr ess Toggle Switch 1 2 3 4 5 6 Return air Return air T H 1 1 ON OFF OFF OFF OFF OFF Cold aisle Cold aisle T H 1 11 ON ON OFF ON OFF OFF Cold aisle T H 2 12 OFF OFF ON ON OFF OFF Cold aisle T H 3 13 ON OFF ON ON OFF OFF Hot aisle Hot aisle T H 1 21 ON OFF ON OFF ON OFF Hot aisle T H 2 22 OFF ON ON OFF ON OFF Hot aisle T H 3 23 ON ON ON OFF ON...

Page 105: ...ailed The foreign matter inside the cabinet such as cable ties and stubs is cleaned up Passed Failed LCD The LCD is well connected Passed Failed Electric heater The electric heater is secured Passed Failed Fan The fan is secured Passed Failed The fan has no foreign matter inside Passed Failed The fan blades rotate properly Passed Failed Electrode humidifier The water inlet pipes and drainpipes are...

Page 106: ...surrounding objects Passed Failed Liquid level detector The liquid level detector is securely installed Passed Failed The interconnection terminal of the low liquid level detector has been connected Passed Failed The low liquid level detector moves smoothly Passed Failed Air filter The air filter is correctly installed according to the air flow direction on the frame Passed Failed Differential pre...

Page 107: ...lve bonnet is tightened Passed Failed The pipes have no sharp bends Passed Failed Table 3 19 Check items on electrical connections Expected Result Check Result The cables have no sharp bends Passed Failed Cables are intact Passed Failed No open or short circuits or incorrect connections occur in electrical loops Passed Failed The power cables to the indoor and outdoor units signal cable to the out...

Page 108: ...pe and liquid pipe should be 3 4 inch 19 05 mm and 5 8 inch 15 88 mm respectively Amount of the Refrigerant and Refrigerant Oil to Be Charged for the NetCol500 A032 Table 4 1 shows the amount of the refrigerant and refrigerant oil to be charged for the NetCol500 A032 Table 4 1 Amount of the refrigerant and refrigerant oil to be charged for the NetCol500 A032 Model NetCol500 A032 with Low Temperatu...

Page 109: ... Temperature Components 20 C to 45 C Length of one way pipeline m 0 L 10 10 L 80 0 L 10 10 L 80 Amount of refrigerant kg 9 5 9 5 L 10 x 0 19 36 36 L 10 x 0 19 Amount of refrigerant oil kg 0 0 0 0 NOTE If one way pipeline of the NetCol500 A036 without low temperature components is 80 meters long amount of refrigerant to be charged 9 5 80 10 x 0 19 22 8 kg If one way pipeline of the NetCol500 A036 w...

Page 110: ...e Charged for the NetCol500 A0265S11E0 Table 4 4 shows the amount of the refrigerant and refrigerant oil to be charged for the NetCol500 A0265S11E0 Table 4 4 Amount of the refrigerant and refrigerant oil to be charged for the NetCol500 A0265S11E0 Item NetCol500 A0265S11E0 Without Low Temperature Components 20 C to 55 C NetCol500 A0265S11E0 with Low Temperature Components 40 C to 45 C Length of one...

Page 111: ...ents is 80 meters long amount of refrigerant to be charged 23 5 80 10 x 0 19 36 8 kg 4 1 2 Vacuumizing Procedure Step 1 Connect a pressure gauge to the vacuum pump Figure 4 1 Vacuumizing 1 Pressure gauge 2 Vacuum pump 3 Discharge pipe needle valve 4 Low pressure needle valve NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Commissioning Issue 15 2020 12 1...

Page 112: ...ressure gauges repeatedly for several times The position of the pressure gauge pointers and the sound made by the vacuum pump should not change Otherwise the cooling system may not be sealed properly Step 4 After making sure that the cooling system does not leak vacuumize for at least 80 minutes The final pressure of the vacuum pump absolute pressure should not be higher than 60 Pa and the sight g...

Page 113: ...refrigerant leakage during the removal of the leather hose which may cause frostbite NOTICE Charge the refrigerant R410A after checking that the cooling system does not leak and the vacuum meets the requirements Charge refrigerant as required upon calculation shown in 4 1 1 Amount Requirements for the Refrigerant and Refrigerant Oil to Be Charged Otherwise the device may be damaged Procedure Step ...

Page 114: ...Refrigerant steel cylinder 4 Electric balance 5 Discharge pipe needle valve 6 Low pressure needle valve NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Commissioning Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 104 ...

Page 115: ...valve and coupling nut for the pressure gauge shown in Figure 4 3 pressure gauge 2 in Figure 4 4 Tighten the nut when cold air escapes out of the nut Step 4 Put the refrigerant steel cylinder upside down on an electric balance and clear the reading to zero Step 5 Open all valves of the pressure gauges shown in Figure 4 3 and start charging refrigerant NetCol5000 A025 In row Air Cooled Smart Coolin...

Page 116: ...applying soap bubbles to the valve vent or using a halogen leak detector If the valve leaks contact Huawei technical support End 4 2 Preparing for Power On Procedure Step 1 Verify that the humidifier water inlet pipe and drainpipe are correctly connected and that the thermal insulation foam is intact Then connect refrigerant pipes and precharge refrigerant NOTICE Ensure that there is no reverse or...

Page 117: ... Step 11 Verify that the water sensor is properly installed Step 12 If teamwork networking is required verify that the teamwork cable is correctly connected Step 13 Verify that the cable connections and DIP switch settings of the T H sensors are correct End 4 3 Viewing Software Version Information Tap About on the home screen to view software version information as shown in Figure 4 5 Figure 4 5 S...

Page 118: ... displayed Quick Settings page Select the language Specifies the interface language Select the date time settings date format date time and time zone Select the monitoring mode Step 4 Choose Settings System Settings T H Sensor to enter the T H Sensor screen You can configure the T H control types and set points End 4 4 2 Home Screen You can tap the menu items buttons or icons on the screen to ente...

Page 119: ...cooling product is in diagnostic mode Click to 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 buzzes when a new alarm is generated ...

Page 120: ... system as Admin or Operator and can tap the icon to log out 4 4 3 Initial Configuration NOTICE When configuring the temperature and humidity parameters do not place the cursor between the decimal point and the following digit of the value Otherwise the decimal point cannot be deleted and the parameter value fails to be configured 4 4 3 1 Setting Temperature and Humidity Values Procedure Step 1 On...

Page 121: ...temperature and humidity values come from the humidity and temperature sensor in the aisle Temp control mode Controls the temperature inside the room or aisles based on the Average Maximum or Minimum of the temperatures collected by each sensor Average Select Average if the temperature is to be controlled based on the averaged data value collected by the collector Maximum Select Maximum if the tem...

Page 122: ... must be networked in the teamwork mode Smart cooling products managed by different micro modules cannot be networked in teamwork mode Smart cooling products managed by each micro module must be connected to the EMS separately 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 ad...

Page 123: ...eamwork unit address and Teamwork function on a slave smart cooling product Table 4 7 describes how to set the parameters Table 4 7 Teamwork settings Paramete r Description Configuration Principle Default Value Teamwork group no The number of the teamwork controlled group which is the same for all the devices in the group Set the assigned teamwork control number 1 Teamwork unit address Only one de...

Page 124: ...mine whether to enable the iCooling mode based on onsite heat load variations If the heat load varies greatly it is recommended that you enable the iCooling mode The parameter can only be modified on the ECC WebUI and cannot be modified on the smart cooling product screen Smart Enable L1 L2 linkage Enable or disable L1 L2 linkage Set this parameter based on site requirements The parameter can only...

Page 125: ...group 1 to 32 can be set Total number of the smart cooling products in this group 3 Number of running units Number of active units in a group The value ranges from 1 to Total number of units The master unit assigns the devices to be active units by the device number beginning with the address 1 until to Number of running units The rest will become the standby ones 2 Rotation Disable or enable the ...

Page 126: ...nd other parameters to the slave device and all the smart cooling products in the group refer to the mode delivered by the master device When the requirement control is Disable 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 The requirement control fun...

Page 127: ... not recommended to change the value 5s L1 L2 linkage cooling stop ref temp Reference temperature at which the smart cooling product stops cooling in the cooling mode in L1 L2 linkage Set this parameter based on the lowest temperature allowed onsite Normally you are not recommended to change the value 18 0 C L1 L2 linkage dehumid stop ref temp Reference temperature at which the smart cooling produ...

Page 128: ...oling product screen 24 0 C L1 L2 linkage humidity Humidity setpoint in L1 L2 linkage Target humidity controlled in the micro module The parameter can only be modified on the ECC WebUI and cannot be modified on the smart cooling product screen 45 0 RH Step 3 Complete the teamwork settings for all the smart cooling products by performing Step 1 and Step 2 Step 4 On the home screen of any teamwork c...

Page 129: ...irement control Standby responds to the requirement control when Active is faulty critical alarms shutdown and offline or Active cannot meet cooling requirements 4 Frame green non green A device with green frame indicates the device itself as shown in A non green frame indicates the other device in the group as shown in 5 Ground color red bright gray Red indicates that a critical alarm is generate...

Page 130: ... connection and the settings of teamwork control parameters 3 Check whether the number of standby devices on the topology is the same as the actual device number If yes go to 4 If no check the cable connection and the settings of teamwork control parameters 4 Check whether the number of online devices on the topology is the same as the actual device number If yes the check is complete If no check ...

Page 131: ...frigerant steel cylinder after confirming that sufficient refrigerant has been injected Users are classified into Admin and Operator users Admin users have more rights than Operator users The preset password is 000001 for both types of users 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 b...

Page 132: ...ly power module and main control module are on Figure 4 11 shows the power indicators Figure 4 11 Power indicators 1 Power indicator of the main control module 2 Power indicator of the auxiliary supply power module 3 Power indicator of the PSU NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Commissioning Issue 15 2020 12 10 Copyright Huawei Technologies ...

Page 133: ...er a period the electric heater runs properly In this case tap OFF for the electric heater and set the value for Indoor fan to 0 Step 6 Commission the compressor by setting the compressor rotational speed to 3000 rpm 1 On the home screen choose Running Device Details Compressor and check that the value of Suction pressure is in the range of 0 7 1 2 MPa and the value of Discharge pressure is in a r...

Page 134: ...o 0 and then click On after Water inlet solenoid valve The humidifier cylinder starts to drain water You need to check that the drainpipe does not leak during the process Step 8 Optional Commission the water pump Open the cover in front of the water pan and lift the low liquid level detector The pump starts working after 5 seconds Then release the liquid level detector and shut down the pump NOTE ...

Page 135: ...t is not need to turn on the QF4 Step 3 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 12 Figure 4 12 Initial power on Table 4 11 Preset password User Preset Password Permission Description admin administrator user 000001 People can operate all menus operator common user 000001 People can only view parameter se...

Page 136: ...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 perform operations until being logged out if no opera...

Page 137: ...ce language Consistent with the current interface language Settings Quick Settings Date Time Settings Date format Specifies the date display format for the ACC Consistent with the current interface date format NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Commissioning Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 127 ...

Page 138: ...oor unit is NetCol500 A0365C11E0 communicates with the indoor unit through RS485 and does not contain a low temperature component Disable Heating function Enable indicates that the electric heater will be started when the ambient temperature is lower than the certain temperature range of the temperature set point Disable indicates that the electric heater will not be started Enabled when active po...

Page 139: ...on or the low temperature heating condition is met Dehumidifying heating Humidifying function Enable indicates that the electric humidifier will be started when the ambient humidity is lower than the certain humidity range of the humidity set point Disable indicates that the electric humidifier will not be started Enabled when active power indicates that the electric humidifier will be started whe...

Page 140: ...tes that the dehumidification function will not be enabled Enabled when active power indicates that the dehumidification function will be enabled when the main power is active and the ambient humidity exceeds the certain humidity range of the humidity set point Enable NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Commissioning Issue 15 2020 12 10 Copyr...

Page 141: ...if a major alarm is generated port 2 for reporting common alarms generates a dry contact close alarm When DO associated is set to Alarm startup status if n is generated the dry contact of common alarm 1 is open If a startup status is generated the dry contact of common alarm 2 is close If a shutdown status is generated the dry contact of common alarm 2 is open When DO associated alarm is set to No...

Page 142: ...nd humidity set points correspond to the selected control type can be set Return air Cold aisle sensor 1 5 The sensors in cold aisles can be set to Enable or Disable Disable Hot aisle sensor 1 5 The sensors in hot aisles can be set to Enable or Disable Disable End Follow up Procedure After powering on the compressor starts preheating and the system generates an alarm indicating that the compressor...

Page 143: ...an tap the menu items buttons or icons on the screen to enter related screens or perform operations such as Running Alarms and Settings The controller main screen is shown in Figure 4 16 NOTICE User interfaces displayed in this document are for reference only NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Commissioning Issue 15 2020 12 10 Copyright Huaw...

Page 144: ...es that the display panel communicates properly with the main control board If is displayed in this position in the status bar the communication fails 3 USB status in the status bar indicates that the USB flash drive is successfully connected to the display panel 4 Diagnostic mode in the status bar indicates that the smart cooling product is in diagnostic mode Tap the icon to exit from the diagnos...

Page 145: ...uantity refers to the current major alarm and their quantity 9 The current warning alarm and their quantity refers to the current warning alarm and their quantity 10 The status bar N A 11 The alarm bar You can tap in the alarm bar to enter the active alarm screen that displays all active alarms 12 Login button Logout button indicates that you have not logged in to the system and can tap the icon t...

Page 146: ... 1 Procedure Step 1 On the home screen choose Settings System Settings T H sensor as shown in Figure Setting temperature and humidity values Figure 4 17 Setting temperature and humidity values Step 2 Set Cold aisle sensor 1 to Enable Step 3 Set the temperature and humidity values by referring to Table 4 14 NOTE You are not recommended to modify the parameters not listed in Table 4 14 NetCol5000 A0...

Page 147: ... Max value or Min value of the temperatures collected by each sensor Average value Select Average value if the temperature is to be controlled based on the averaged data value collected by the collector Max value Select Max value if the temperature is to be controlled based on the maximum data value collected by the collector Min value Select Min value if the temperature is to be controlled based ...

Page 148: ...hat is assign one teamwork group number for them At most four teamwork groups can be assigned 1 4 Teamwork unit address The address for the smart cooling product in the same group cannot be the same address range 1 32 The smart cooling product with minimum address is the master one that collects processes and delivers data Context The parameters in this section are for reference only Set actually ...

Page 149: ... be different from each other Set the assigned unit address NA Enable Teamwork CAN resistor Indicates the build out resistor status of each smart cooling product in a teamwork group Set the parameter if CAN network is used Set this parameter to No for non teamwork scenarios For teamwork scenarios set this parameter to Yes for the first and last smart cooling products in a teamwork group and set it...

Page 150: ...e smart cooling products in this group 1 to 32 can be set Total number of the smart cooling products in this group 3 Number of running smart cooling products in this group Number of active units in a group The value ranges from 1 to Number of smart cooling products in this group The host allocates running units by smart cooling product unit address in ascending order which is from 1 to 32 The rest...

Page 151: ...le rotation on the group before the specified rotation time After a forced rotation the accumulated time is recalculated This item is set to No by default If forced rotation is required the function is set to Yes No NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Commissioning Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 141 ...

Page 152: ...ature and humidity control type and set points of the master device and other parameters to the slave device and all the smart cooling products in the group refer to the mode delivered by the master device When the requirement control is Indoor fan unified control or Central load Anti competitive running is recommended for the following scenario In one teamwork the temperature and humidity control...

Page 153: ...ue of the configured cold aisle T H sensor This parameter can be enabled when there are at least two smart cooling products in the group are configured with cold aisle T H sensors Disable Hot aisle temperatu re and humidity sharing When this parameter is enabled the smart cooling product which is not configured with the hot aisle T H sensor in the group is logically controlled by using the acquire...

Page 154: ...he master one offline the online device with the smallest address is selected to be the new master 3 Active Standby Active properly responds to the requirement control Standby responds to the requirement control when active one is faulty critical alarms shutdown and offline or cannot meet cooling requirements 4 M S M indicates the master unit and S indicates a slave unit Blue indicates that the de...

Page 155: ...nnection and the settings of teamwork control parameters 2 Check whether the number of active devices on the topology is the same as the actual device number If yes go to 3 If no check the cable connection and the settings of teamwork control parameters 3 Check whether the number of standby devices on the topology is the same as the actual device number If yes go to 4 If no check the cable connect...

Page 156: ...d the communication addresses of two smart cooling products connecting to the same EMS must be unique End 4 5 3 3 2 Setting Communications Parameters Modbus TCP Protocol Context To set communications parameters log in as the admin user If Link mode is Server a smart cooling product can be accessed by element management system EMS client If Link mode is Client a smart cooling product can be connect...

Page 157: ...ode to Server and client the smart cooling product as a server supports two client connection and establishes communication In addition the smart cooling product as a client can connect to a remote server and establish communication Client encryption Enable Disable This parameter is configurable when Link mode is set to Client Server encryption Enable Disable This parameter is configurable when Li...

Page 158: ...P Settings Figure 4 20 is displayed Figure 4 20 Setting SNMP communications parameters Step 2 Set SNMP Version based on site requirements and then tap Submit If you set SNMP Version to ALL or SNMPv1 v2c you can set Read Community and Write Community by performing Step 3 If you set SNMP Version to ALL or SNMPv3 you can add SNMPv3 users by performing Step 4 Step 3 Set Read Community and Write Commun...

Page 159: ...User Name select values for Auth Protocol and Prop Protocol from drop down list boxes and tap as shown in Figure 4 23 MD5 and DES protocols are not secure It is recommended that you set Auth Protocol to SHA and set Prop Protocol to AES The following operations use the recommended settings as an example NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Comm...

Page 160: ...e 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 be a string containing duplicate sections such as 12a12a12a 3 Set SHA Password and Confirm Password as planned and tap as shown in Figure 4 24 Figure 4 24 Setting an SHA password NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power...

Page 161: ...l port number tap and then tap Submit Figure 4 26 Setting SNMP port NOTE SNMP Port is set to 161 by default Step 6 Tap Next Page Step 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 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Commissioning Issue 15 2020 12 10 Copyright Huawei ...

Page 162: ...fter a USB flash drive has been inserted into the controller USB port and successfully identified tap Export File under MIB File to export the MIB file to the USB flash drive for the customer s use in accessing a third party EMS Figure 4 28 shows successful file export NOTICE Before using a USB flash drive ensure that its data has been scanned by antivirus software and is secure NetCol5000 A025 In...

Page 163: ...WiFi SSID 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 WiFi Password Enter the WiFi password when you use a mobile phone to connect to the WiFi When you enable the WiFi function for the first time you need to set a password the WiFi has no preset password Enable WiFi Enable the WiF...

Page 164: ...operations that start the smart cooling product successfully by the display button or by element management system EMS is effective only when the remote dry contact or On Off status on remote is on the status of on Prerequisites 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 ...

Page 165: ...tial startup verification is passed startup verification is not required afterwards After factory settings are restored re verification for startup is required Step 3 Tap StartUp on the home screen of the app and the screen shown in Figure 4 32 is displayed NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Commissioning Issue 15 2020 12 10 Copyright Huawei...

Page 166: ... Tap Offline Activation and the screen shown in Figure 4 33 is displayed NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Commissioning Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 156 ...

Page 167: ...when you do not enter the password within 5 min or the password you enter is incorrect the generated password will be invalid for the sake of security The initial startup verification fails Step 6 Tap Password on the home screen of the ACC and enter the generated startup password in the displayed dialog box NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On...

Page 168: ... vessel after checking that no more refrigerant is required Charge refrigerant in an amount exactly as standard charge required Otherwise the devices may be damaged Procedure Step 1 Tap Start on the home screen Step 2 Choose Maint Diagnostic Mode Enter to enter the diagnostic mode Step 3 Set the compressor to 3000 rpm Step 4 Charge refrigerant on the basis of the precharging If there are no low te...

Page 169: ...ressure needle valve If there are low temperature components open the low pressure valves of pressure gauge 1 and pressure gauge 2 and charge the remaining refrigerant from the low pressure needle valves in small flow or intermittently NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Commissioning Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 1...

Page 170: ...essure to determine whether they are within normal ranges Choose Running Device Details EEV and view the EEV suction superheat degree to determine whether it is within normal ranges Table 4 21 Normal discharge pressure ranges Ambient Temperature Discharge Pressure Range Suction pressure range Overheating degree range 15 C 1 5 2 5 MPa 0 7 1 2 MPa 8 15 C 15 35 C 1 5 3 1 MPa 35 45 C 2 5 3 8 MPa 45 C ...

Page 171: ...hat refrigerant is fully charged before performing the wizard startup Context The startup wizard allows for commissioning of components such as the indoor fan electric heater humidifier condensate pump and cooling system It also supports component automatic operation and automatic device checking and can output commissioning report After you power on the smart cooling product for the first time th...

Page 172: ...7 NOTICE If the remaining refrigerant is not charged tap No Complete refrigerant charging and then perform the wizard commissioning Figure 4 37 Checking before startup Step 3 Tap Yes for check items one by one according to the prompt messages on the screen Step 4 Tap Yes and enter the screen where you select commissioning items as shown in Figure 4 38 NetCol5000 A025 In row Air Cooled Smart Coolin...

Page 173: ...efault if you first enter the screen where you select commissioning items Except that the indoor fan item is mandatory you can clear other commissioning items that are not required Step 5 Tap Yes a dialog box is displayed as follows Choose whether to select Humidifier commissioning or not onsite Figure 4 39 Dialog box Step 6 Tap Confirm The fan commissioning screen is displayed as shown in Figure ...

Page 174: ...n power port X102 Enter the measured values on the screen and tap Submit within the time limit displayed on the screen The controller automatically determines whether the current of the smart cooling product is within the normal range If the current is within the normal range the system automatically performs commissioning for the next component you selected If the current is beyond the normal ran...

Page 175: ...Figure 4 41 Current detection NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Commissioning Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 165 ...

Page 176: ...e limit displayed on the screen Figure 4 43 Humidifier commissioning Step 9 After the humidifier commissioning the condensate pump commissioning screen is displayed Check whether the condensate pump vibrates and generates operating sound If yes select Yes and tap Submit within the time limit displayed on the screen If no select No and tap Submit The commissioning has failed Locate and rectify the ...

Page 177: ...ace If yes select Yes and tap Submit within the time limit displayed on the screen If no select No and tap Submit The commissioning has failed Locate and repair the faults of the electric heating belt Figure 4 45 Cooling system commissioning Step 11 View the commissioning result Figure 4 46 is displayed if component commissioning succeeds NetCol5000 A025 In row Air Cooled Smart Cooling Product Use...

Page 178: ...ails tap Commissioning failed In Figure 4 47 to view the details as shown in Figure 4 48 After the fault is cleared choose Maint Wizard Startup to enter the wizard startup screen for new commissioning Figure 4 48 Details of failure End NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 4 Power On Commissioning Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 1...

Page 179: ...ating that the command is successfully triggered Step 3 Optional Turn off the switch QF3 that controls the outdoor unit and compressor and switch QF4 that controls the electric heater If electric heater is not configured it is not need to operate the QF4 Step 4 Optional If the smart cooling product needs to be maintained in power off mode or long term power off switch off the smart cooling product...

Page 180: ... 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 NOTE If the smart cooling product connects to a LAN and a proxy server has been selected perform Step 4 3 and Step 4 4 If the smart cooling product connec...

Page 181: ...ing 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 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 5 WebUI Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 171 ...

Page 182: ...ct the language and click Log In NOTE 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 transmission security the smart cooling product supports WebUI access through SSL Figure 5 4 Home page NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm...

Page 183: ...g output fan output humidifying output and heating output View cooling capacity and air volume Active Alarms Query active alarms Figure 5 5 WebUI menu hierarchy NOTE The actual menu hierarchy prevails NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 5 WebUI Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 173 ...

Page 184: ... zone time and date Set the IP address SNMP and NetEco network parameters Set the Modbus network parameters Set the SNMP network parameters Maintenance Upgrade the software of the smart cooling product and its sub components Query the version and e labels Query and export fault informatio Manage users for example adding and deleting a user Import and export configuration files to configure devices...

Page 185: ...er 1 Evaporator 2 External signal port 3 Electric control box 4 Module subrack 5 Compressor drive 6 Electrode humidifier 7 Oil separator 8 Compressor 9 Drainpipe 10 Refrigerant gas pipe 11 Refrigerant liquid pipe 12 Rear door NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 6 System Operation and Maintenance Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 1...

Page 186: ... maintenance refers to preventive and periodic check and maintenance carried out to promptly identify and handle alarms and potential faults during the normal operation of the equipment Precautions Routine maintenance is critical to the normal operation of equipment Perform routine maintenance regularly Read the precautions and product documentation before performing routine maintenance Follow loc...

Page 187: ...ntenance If you need to perform maintenance tasks such as measuring the current voltage and temperature when the equipment is operating connect the power supply only after you have finished all equipment connections Disconnect the power supply when you finish maintenance Take protective measures during electrical maintenance such as wearing insulation gloves and shoes Exercise caution when perform...

Page 188: ... Choose Common Functions Operating Info or tap Running Operating Info Current temperature Current humidity Rated power voltage Measured power voltage Choose Running Device Details Compressor Discharge temp Discharge pressure Suction pressure Tap Teamwork Teamwork function Choose Teamwork Teamwork Settings Total number of units Number of active units 6 2 3 Monthly Maintenance NetCol5000 A025 In row...

Page 189: ...nsate pan and liquid level detector have no dirt or scale Clean dirt or scale from the condensate pan and liquid level detector Check that the water pan filter is clean and not blocked Clean the water pan filter by referring to Figure 6 3 Compressor Check that the compressor is secured properly Tighten the compressor screws Check that there is no oil stain on the compressor service valve Clean the...

Page 190: ... no scale Replace the wet film humidifier The wet film should be replaced every 12 months No operating overtime alarm is generated on the wet film humidifier Replace the wet film humidifier The upstream water pan filter of the humidifier pump is not dirty or blocked Remove and clean the water pan filter Remove the two screws and sheet metal fastener from the water pan filter and pull out the filte...

Page 191: ...mon five ones If no monitoring system is available skip this item Rectify the fault or contact Huawei technical support Electric heater Check that the electric heater is secured reliably Tighten the electric heater and its switch Check that the electric heater surface does not erode Replace the electric heater Cable Check that no cable deteriorates Replace deteriorating cables Water detector Check...

Page 192: ...la rm Sev erit y Impact Possible Causes Solution a0 0 1 Return air 1 temper ature sensor fault MA JOR 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 Maintain or replace the temperature sensor Supply air 1 2 temper ature sensor fault MA JOR Generates an alarm 1 The cables to the tempera...

Page 193: ...mperature sensor or temperature and humidity sensor is different from the actual value 1 Adjust 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 threshol...

Page 194: ...dity sensor is different from the actual value 6 The air filters are blocked 1 Adjust the positions of the temperature sensors or temperature and humidity sensors 2 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 low temperature alarm threshold 5 Calibrate or replace the temperature ...

Page 195: ...or 4 Maintain or replace the main control board Cold aisle 1 2 3 4 5 temp humid sensor comm failed MA JOR Generates an alarm 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 cable...

Page 196: ...IP 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 a0 2 3 Electric heater 1 fault MA JOR Generates an alarm and shuts down the electric heater 1 The cables to the temperature switch are loose or damaged 2 The temperature switch is faulty 3 The electric heater is faulty 1 Check the cables ...

Page 197: ...cables to the differential pressure switch a0 2 7 Power loss alarm WA RNI NG Generates an alarm The power supply is cut off If power failure occurs on the power system no maintenance is needed If it occurs in other places check the power supply cables a0 3 8 Compre ssor Liquid pipe temp sensor fault MA JOR Generates an alarm 1 The cables to the liquid pipe temperature sensor are loose or damaged 2...

Page 198: ...heck the status of the remote shutdown dry contact 2 Check the cables to the remote shutdown dry contact a0 4 4 Smoke sensor alarm CRI TIC AL Generates an alarm and shuts down the smart cooling product 1 Smoke is generated in the equipment room 2 The cables to the smoke sensor are loose or damaged 3 The smoke sensor is faulty 1 Expel smoke from the equipment room and reset the smoke sensor 2 Check...

Page 199: ...connections are faulty 5 The indoor fan is faulty 6 The ambient temperature is below the lower threshold 1 Identify and repair the leaking point and refill refrigerant after maintenance 2 Calibrate or replace the pressure sensor 3 Maintain or replace the filter dryer 4 Maintain or replace the expansion valve or the coil and reconnect cables 5 Maintain or replace the indoor fan 6 Measure the ambien...

Page 200: ...mperature sensor or temperature and humidity sensor is different from the actual value 1 Adjust 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 threshol...

Page 201: ...dity sensor is different from the actual value 6 The air filters are blocked 1 Adjust the positions of the temperature sensors or temperature and humidity sensors 2 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 low temperature alarm threshold 5 Calibrate or replace the temperature ...

Page 202: ...mperature sensor or temperature and humidity sensor is different from the actual value 1 Adjust 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 threshol...

Page 203: ...ct 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 a0 5 3 PSU 1 2 fault MA JOR Generates an alarm The PSU is faulty Maintain or replace the PSU a0 5 4 PSU 1 2 commu nicatio n fai...

Page 204: ...1 The cables to the pressure sensor are loose or damaged 2 The pressure sensor is faulty 1 Check the cables to the pressure sensor 2 Maintain or replace the pressure sensor a0 6 3 Compre ssor drive commu nicatio n failed alarm CRI TIC AL Generates an alarm and shuts down the compressor 1 The cables to the compressor drive are loose or damaged 2 The compressor drive is faulty 1 Check the cables to ...

Page 205: ...id 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 drain pump clear the foreign matter in the 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 a0 8 9 Compre ssor drive speed limit alarm MA JOR Generates an ala...

Page 206: ...midity alarm threshold 5 Calibrate or replace the temperature and humidity sensors a0 9 4 Low humidit y alarm WA RNI NG 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...

Page 207: ...down the electric heater The power supply is faulty Check the power supply a1 3 0 Humid water inlet solenoi d valve fault MA JOR Generates an alarm and shuts down the humidifier 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 solenoid valve a1 3 4 Compre sso...

Page 208: ...ty 3 The outdoor unit is not powered on 4 The communications port of the main control board is faulty 1 Check the communications cable between the indoor and outdoor units 2 Maintain or replace the outdoor fan drive 3 Power on the outdoor unit 4 Maintain or replace the main control board NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 6 System Operation and Mainten...

Page 209: ...ntrol intelligent monitoring board 2 Replace the temperature control intelligent monitoring board 3 Check the power cable connection to the temperature control intelligent monitoring board 4 Replace the main control module 5 If the fan is working properly add a baffle plate on the air return side of the outdoor unit 6 Replace the outdoor fan a1 4 6 Outdoo r fan blocked alarm MA JOR Generates an al...

Page 210: ...an alarm 1 A cable of the pressure sensor is loose 2 The pressure sensor is faulty 1 Secure the pressure sensor wiring terminals 2 Replace the pressure sensor a1 7 2 SPD and voltage detecti on board comm failed MA JOR Generates an alarm 1 The communications cable is not connected properly 2 The SPD and voltage detection board is faulty 3 The communications port of the main control board is faulty ...

Page 211: ...ear the blockage from the humidifier pump inlet 2 Maintain the humidifier float 3 Check the cable connection to the humidifier pump 4 Replace the humidifier pump 5 Replace the water pump a1 8 0 Humidif ier exceed runtime alarm WA RNI NG Generates an alarm The accumulated runtime of the wet film of the humidifier exceeds the alarm threshold Maintain or replace the wet film of the humidifier and cle...

Page 212: ...aulty 1 Check the humidifier water supply 2 Maintain the humidifier float 3 Check the cable connection to the humidifier float 4 Check the cable connection to the humidifier water inlet solenoid valve 5 Replace the humidifier water inlet solenoid valve a1 8 3 Outdoo r temper ature sensor fault MA JOR Generates an alarm 1 The cables to the temperature sensor are loose or damaged 2 The temperature s...

Page 213: ...as required in the user manual 3 The displayed values of the liquid pipe temperature sensor or the condensing pressure sensor on the LCD are different from the actual values 1 Check the system for leaking points If so repair the pipe and add refrigerant 2 Add refrigerant as required in the user manual 3 Calibrate or replace the liquid pipe temperature sensor or the condensing pressure sensor a1 8 ...

Page 214: ...ely connected 3 The differential pressure sensor is faulty 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 a2 2 0 Wizard startup is in progres s WA RNI NG Generates an alarm Wizard startup is in progress Wait until wizard startup is complete or clear the Wizard st...

Page 215: ...e the auxiliary power supply 6 Check the interconnection module of the auxiliary power supply 7 Replace the main control module a2 3 3 Air side low pressur e differen ce alarm WA RNI NG Generates an alarm 1 Contained aisles are poorly sealed 2 The differential pressure sensor is faulty 1 Check that the cold and hot aisles are well sealed 2 Maintain or replace the differential pressure sensor a2 4 ...

Page 216: ...eamwork versions in the upgrade guide 3 Enable the sensor that corresponds to the temperature and humidity control type for the master unit on this smart cooling product Teamw ork networ king abnorm al alarm WA RNI NG Generates an alarm and exits from teamwork mode to work in standalone mode 1 Teamwork settings are incorrect for slave units 2 The number of smart cooling product units is incorrectl...

Page 217: ...ature 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 1 2 3 4 5 temp humid sensor fault MA JOR 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 senso...

Page 218: ... You can also set Water overflow alarm action to Shutdown Inactivity or Only indoor fan running The water overflow sensor detects water or the sensor is faulty While configuring the water overflow sensor check and clear the water source and maintain or replace the sensor NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 6 System Operation and Maintenance Issue 15 202...

Page 219: ...sor 2 Clear the foreign matter in the water pan and filter 3 Check that the drainpipe is not blocked or bent 4 If the drain pump is configured check its cable connections clear the foreign matter in it or replace it 5 While configuring the high liquid level sensor check its cable connections clear the obstacles or replace it a2 8 0 Power frequen cy abnorm al MA JOR Generates an alarm and shuts dow...

Page 220: ...voltage abnorm al MA JOR Generates an alarm and shuts down the smart cooling product 1 The power supply voltage is below the lower threshold 2 The cables to the SPD and voltage detection board are loose or damaged 3 The SPD and voltage detection board is faulty 1 Check that the power supply voltage is within the operating range 2 Check the cable connection to the SPD and voltage detection board 3 ...

Page 221: ...supply is incorrect 2 The SPD and voltage detection board is faulty 1 Rectify the phase sequence of the power supply 2 Maintain or replace the SPD and voltage detection board Power phase sequen ce abnorm al MA JOR Generates an alarm and shuts down the smart cooling product 1 The power grid is unstable 2 The phase A B C input cable is faulty 1 Check the power grid 2 Rectify the fault of the phase A...

Page 222: ...equence of the power supply 2 Maintain or replace the SPD and voltage detection board Backup power phase sequen ce abnorm al MA JOR Generates an alarm and shuts down the smart cooling product 1 The power grid is unstable 2 The phase A input cable is faulty 1 Check the power grid 2 Rectify the fault of the phase A input cable NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 m...

Page 223: ...se incorrect phase sequence or is unavailable 6 Cables to the indoor or outdoor fan are not properly connected 7 The outdoor fan or its drive is faulty 1 Identify and repair the leaking point and refill refrigerant after maintenance 2 Clean the condenser fins 3 Measure the ambient temperature 4 Calibrate or replace the temperature sensor 5 Check the input power of the outdoor unit 6 Check the cabl...

Page 224: ... The outdoor fan or its drive is faulty 5 The high pressure switch is faulty 6 The refrigerant is overfilled 1 Check the input power of the outdoor unit 2 Check the cables to the indoor and outdoor fans 3 Clean the condenser fins 4 Maintain or replace the outdoor fan or its drive 5 Maintain or replace the high pressure switch 6 Decrease certain amount of refrigerant 7 Maintain or replace the exhau...

Page 225: ...ce the pressure sensor 3 Maintain or replace the filter dryer 4 Maintain or replace the expansion valve or the coil and reconnect cables 5 Maintain or replace the indoor fan 6 Measure the ambient temperature a2 8e Compre ssor drive alarm CRI TIC AL Generates an alarm and shuts down the compressor 1 The compressor drive is faulty 2 The compressor is faulty 1 Maintain or replace the compressor drive...

Page 226: ... the drive module a2 8f Compre ssor drive power supply abnorm al MA JOR Generates an alarm and shuts down the compressor 1 The power supply voltage is high 2 The compressor drive is faulty 1 Check the power supply voltage 2 Maintain or replace the compressor drive Compre ssor drive power supply abnorm al MA JOR Generates an alarm and shuts down the compressor 1 The power supply voltage is low 2 Th...

Page 227: ...ant 5 Maintain or replace the compressor a2 9 2 Outdoo r fan drive alarm CRI TIC AL Generates an alarm and shuts down the compressor 1 The output cable to the outdoor fan drive is short circuited or grounded 2 The power grid voltage exceeds the upper threshold 3 The outdoor fan is faulty 4 The outdoor fan drive is faulty 1 Replace the output cable to the outdoor fan drive 2 Power off the smart coo...

Page 228: ...ssor The sampling circuit of the outdoor fan drive is faulty Replace the outdoor fan drive Outdoo r fan drive alarm CRI TIC AL Generates an alarm and shuts down the compressor 1 The outdoor fan three phase loads are imbalanced 2 The outdoor fan drive is faulty 1 Check whether the outdoor fan is faulty 2 Replace the outdoor fan drive Outdoo r fan drive alarm CRI TIC AL Generates an alarm and shuts ...

Page 229: ...3 The outdoor fan drive is faulty 1 Secure the power grid input cable 2 Power off the smart cooling product and check that the power grid input voltage meets the specifications 3 Replace the outdoor fan drive Outdoo r fan power supply abnorm al MA JOR Generates an alarm and shuts down the compressor The power grid frequency is abnormal Power off the smart cooling product and verify that the input ...

Page 230: ...shuts down the compressor 1 The electronic expansion valve EEV coil is loose 2 The EEV coil is faulty 3 The cables to the electronic expansion valve coil are loose or damaged 4 The EEV is faulty 5 The dehumidification solenoid valve coil is faulty 1 Reinstall the EEV coil 2 Replace the EEV coil 3 Check and maintain the cables to the EEV coil 4 Replace the EEV 5 Maintain or replace the dehumidifica...

Page 231: ... corresponding certificate does not take effect 2 The connection of the corresponding certificate server is abnormal 3 The corresponding certificate is not within the validity period 1 Ensure that the certificate is correctly installed 2 Ensure that the connection of the certificate server is normal 3 Ensure that the installed certificate is within the validity period a3 0e Certific ate has expire...

Page 232: ...ck the main switch compressor switch fuse and cable connections The compressor is damaged Replace the compressor The compressor does not receive a request for starting Check startup requests on the LCD The compressor discharge temperature is too high The refrigerant loop or component is blocked Clean up foreign matter from the refrigerant loop The outdoor unit is installed in an inappropriate posi...

Page 233: ...is too low and whether the outdoor fan is under control Liquid returns to the compressor The indoor temperature is too low Change the temperature setting The air filter is dirty or blocked Replace the air filter The coil of the electronic expansion valve is faulty Replace the electronic expansion valve coil The external residual pressure is too high and air volume decreases Check whether the air c...

Page 234: ...rotection fuse has blown replace the temperature switch The electric heater switch is OFF Check the electric heater switch status The electric heater is burnt out Disconnect the power supply and check whether the electric heater is damaged by checking the electric heater resistance properties with an ohmmeter The water overflows the unit The drainpipe is not connected or the drainpipe lift is inap...

Page 235: ...t is less than 5 kW Make sure that the doors windows floor and ceiling of the equipment room are well sealed If the outdoor ambient humidity exceeds the upper threshold shut down the fresh air system Open the aisle doors and control skylights of the smart module or remove filler panels from certain server cabinets Table 6 8 Humidifier troubleshooting measures Symptom Possible Cause Measures Water ...

Page 236: ...he current transformer to fail The detected current is incorrect In diagnostic mode start the humidifier and check the humidifier current The current cannot exceed 10 A during normal operation When the current exceeds 15 A a humidifier overcurrent alarm will be generated If the current is normal check the current transformer and its cable The water level decreases gradually but the humidifier cyli...

Page 237: ... verify that the new part works properly 6 5 1 Replacing the Air Filter Prerequisites The air filter needs to be replaced A spare air filter of the same model is available and functional Context Each smart cooling product has two air filters located in the upper and lower parts The air filters need to be maintained from the rear door Procedure Step 1 Open the rear door rotate the clips on both sid...

Page 238: ...Indoor Fan Prerequisites The indoor fan needs to be replaced A spare indoor fan of the same model is available and functional Tools protective gloves Phillips screwdriver diagonal pliers cable ties Context The indoor fan can be maintained only from the front Procedure Step 1 On the home screen of the controller tap Shutdown NOTE The indoor fan can also be maintained after you tap Start NetCol5000 ...

Page 239: ...Maint screen and clear the runtime of the indoor fan Step 8 Tap Startup on the home screen and check that the smart cooling product is running properly and no alarm is generated NOTE If the indoor fan is maintained after you tap Start manually clear the alarm End Follow up Procedure Power on the NetCol5000 A choose Maint Performance Maint on the home screen and clear the indoor fan runtime 6 5 3 R...

Page 240: ...the differential pressure switch and remove the pressure tube as shown in Figure 6 6 Figure 6 6 Removing a differential pressure switch Step 4 Remove the differential pressure switch assembly unscrew the cover and disconnect the cables Step 5 Remove the four screws securing the differential pressure switch and take out the faulty differential pressure switch Step 6 Set the pressure to 100 Pa for t...

Page 241: ... only from the rear door CAUTION Reclaim or dispose of the refrigerant in accordance with local laws and regulations Do not directly discharge the refrigerant to the atmosphere When replacing a compressor avoid skin contact with the refrigerant or refrigerant oil to prevent frostbite or burns Do not tilt the compressor during replacement to prevent lubricant leaks Install a new compressor immediat...

Page 242: ...ue of 120 N m Step 2 Open the rear door and remove the air filter Step 3 Reclaim refrigerant Step 4 Remove the electric heating belt Step 5 Remove the compressor Figure 6 8 Removing a compressor 1 Use a flat head screwdriver to clamp the buckle of the compressor connection box remove the cover of the connection box and disconnect cables from the compressor as shown by 1 in Figure 6 8 NetCol5000 A0...

Page 243: ... compressor NOTICE Seal the screw thread joints in the pipe using sealant After the installation check that the input power cables of the compressor are in the same phase sequence as those of the wiring terminals Step 7 Secure the new compressor to the support using a solid wrench secure the compressor support to the cabinet interior using a 13 socket wrench and install an electric heating belt in...

Page 244: ... refrigerant tank vacuum pump pressure gauge leather hose protective gloves Preparation Power off the indoor unit and reclaim all refrigerant from the system Context Figure 6 9 shows the position of the filter dryer Figure 6 9 Position of the filter dryer 1 Liquid pipe NTC temperature sensor 2 Welding point A 3 Filter dryer 4 Welding point B 5 Welding point C Procedure Step 1 Tap Shutdown on the L...

Page 245: ...e 6 10 NOTICE Use copper welding rods to weld the connection ports and check that the welding joints are in good condition without poor soldering To avoid burning the internal components other pipes thermal insulation foam power cables and labels take protective measures such as spreading wet cloth around the welding position Do not use face down bonding Figure 6 10 Removing the filter dryer 1 Rem...

Page 246: ...y to the original position Note that the arrow direction on the filter dryer identifies the flow direction of the refrigerant Do not use face down bonding Figure 6 11 Installing the filter dryer 1 Remove the rubber plug sealing the port of the new filter dryer 2 Weld the removed entrance elbow and the new filter dryer to form a new assembly 3 Weld the assembly to the original position 4 Secure the...

Page 247: ...model is available and functional Tools refrigerant retrieval device configured based on local conditions Phillips screwdriver nitrogen cylinder refrigerant tank vacuum pump pressure gauge leather hose protective gloves two 27 adjustable wrenches 36 wrench Preparation Power off the indoor unit and reclaim all refrigerant from the system Context Figure 6 12 shows the position of the filter dryer Ne...

Page 248: ... when it is being shut down over the LCD Step 2 Reclaim all refrigerant from the system using a refrigerant retrieval device to ensure that there is no pressure inside the system NOTE Discharge the refrigerant if the local laws and regulations allow Step 3 Remove the liquid pipe NTC temperature sensor shown by 1 in Figure 6 12 Step 4 Remove the filter dryer as shown in Figure 6 13 NetCol5000 A025 ...

Page 249: ...36 adjustable wrench to loosen the adjustable nut to separate the pipe from the filter dryer Step 5 Remove the plastic plug from the port of the new filter dryer shown by 1 in Figure 6 11 Step 6 Install the new filter dryer as shown in Figure 6 14 NOTICE Secure the filter dryer in the original position The arrow direction on the filter dryer identifies the flow direction of the refrigerant Install...

Page 250: ...lded Filter Dryer with the Threaded Filter Dryer Prerequisites The welded filter dryer needs to be replaced A spare threaded filter dryer of the same model is available and functional The spare threaded filter dryer consists of a filter dryer entrance elbow with a thread connector and exit straight tube with a thread connector Tools welding equipment refrigerant retrieval device configured based o...

Page 251: ... refrigerant if the local laws and regulations allow Step 3 Remove the liquid pipe NTC temperature sensor shown by 1 in Figure 6 9 Step 4 Remove the welded filter dryer as shown in Figure 6 15 NOTICE Use copper welding rods to weld the connection ports and check that the welding joints are in good condition without poor soldering To avoid burning the internal components other pipes thermal insulat...

Page 252: ...e threaded filter dryer as shown in Figure 6 16 NOTICE Weld the exit straight tube and the sight glass to form an assembly which is then welded to the original position in the smart cooling product Weld the entrance elbow to the smart cooling product Then install the threaded filter dryer on the smart cooling product Note that the arrow direction on the filter dryer identifies the flow direction o...

Page 253: ...he filter dryer to the smart cooling product 4 Remove the plastic plug from the port of the new filter dryer 5 Apply red glue to the third to second last thread circles of the outer screw thread counting from the pipe outlet inward Use two 27 adjustable wrenches to secure the filter dryer nut and pipe nut respectively Then use a 36 adjustable wrench to tighten the adjustable nut 6 Reinstall the ho...

Page 254: ...idifier can be maintained only from the rear Procedure Step 1 Tap Shutdown on the LCD home screen and turn off the smart cooling product switch and QF4 in the PDC NOTICE 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 ties on the water inlet pipe for the humidifier NetCol5000 A025 In row ...

Page 255: ...Hold the release sleeve by hand and remove the water inlet pipe NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 6 System Operation and Maintenance Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 245 ...

Page 256: ...5 Promptly place the water inlet pipe in the water bucket to drain water NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 6 System Operation and Maintenance Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 246 ...

Page 257: ...eners and driver remove the humidifier fasteners loosen the two butterfly nuts remove the liquid level detector move the wet film horizontally to the left and pull out the humidifier NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 6 System Operation and Maintenance Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 247 ...

Page 258: ...ormance maintenance screen and clear the humidifier runtime End 6 5 9 Optional Replacing the Humidifier Cylinder Prerequisites The humidifier cylinder needs to be replaced A spare humidifier cylinder of the same model is available and functional Tool flat head screwdriver Context The humidifier cylinder can be maintained only from the rear NetCol5000 A025 In row Air Cooled Smart Cooling Product Us...

Page 259: ...n the rear door and remove the air filter Step 4 Loosen the leather belt around the humidifier cylinder as shown by 1 in Figure 6 21 Step 5 Remove the clamp from the steam hose and remove the hose from the humidifier cylinder Step 6 Loosen the caps of cables connected to the humidifier cylinder and remove the cables as shown by 2 in Figure 6 21 NOTICE When removing cables save the flat washer abov...

Page 260: ...ier runs properly Then exit from the diagnostic mode Step 10 Install the air filter and close the rear door End Follow up Procedure Choose Maint Performance Maint on the home screen and then clear the humidifier runtime 6 5 10 Replacing the Electric Control Box Prerequisites A component inside the electric control box needs to be replaced A spare component of the same model is available and functi...

Page 261: ...emove the four screws in front of the electric control box as shown by 1 in Figure 6 22 Pull the electric control box along the guide rail by the handle as shown by 2 in Figure 6 22 and take out the electric control box Figure 6 22 Removing an electric control box Step 5 Replace the electric control box NOTICE Ensure that the four screws are tightened when installing the electric control box Step ...

Page 262: ... caution because the NetCol5000 A is still energized when it is being shut down over the LCD Step 2 Open the rear door and remove the air filter Step 3 Disconnect cables from the RS485_IN and RS485_OUT ports on the T H sensor Step 4 Pull out the T H sensor in the direction shown in Figure 6 23 NOTICE Before installing a new T H sensor check that the DIP switch setting is consistent with that for t...

Page 263: ...dule must be installed in the same slot as the faulty module Otherwise the smart cooling product may fail to work properly Before replacing a main control module disconnect the network cable from the module To replace the main control module download the software and ACC software upgrade guide from Huawei websites and upgrade it on the LCD The module can be maintained only from the rear NetCol5000...

Page 264: ...CE Exercise caution because the NetCol5000 A is still energized when it is being shut down over the LCD Step 2 Open the rear door and remove the air filter Step 3 Flip the clip on the module downwards as shown by 1 in Figure 6 25 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 6 System Operation and Maintenance Issue 15 2020 12 10 Copyright Huawei Technologies Co L...

Page 265: ...d level detector of the same model is available and functional Tool Phillips screwdriver Context Components and working principle A liquid level detector is composed of the conductor outer jacket liquid level detector switch and card pole A liquid level detector rises or drops as the liquid level changes due to the magnetism of the liquid level switch causing the reed switch chip in the specified ...

Page 266: ...rcise caution because the NetCol5000 A is still energized when it is being shut down over the LCD Step 2 Open the front door and remove the water pan cover as shown in Figure 6 27 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 6 System Operation and Maintenance Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 256 ...

Page 267: ...shown in Figure 6 28 Figure 6 28 Removing screws from the sheet metal fastener of a liquid level detector Step 4 Use a Phillips screwdriver to remove the screws that secure the high liquid level detector and remove the high liquid level detector the low liquid level detector can be taken out by rotating it as shown in Figure 6 29 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual ...

Page 268: ...eeds to be replaced A spare water pump of the same model is available and functional Tools flat head screwdriver socket wrench Before removing the water pump drain water from the water pan completely Context The water pump can be maintained only from the front Procedure Step 1 Tap Shutdown on the LCD home screen and turn off the smart cooling product switch in the PDC NetCol5000 A025 In row Air Co...

Page 269: ... end of the water pump block the drain outlet shown in Figure 6 30 of the water pan using a proper object such as a cloth based on the actual condition At the rear end of the water pump bend the white drainpipe shown in Figure 6 31 and tie it securely using a proper object such as a cable tie or rope based on the actual condition Figure 6 30 Water pan hole 1 Water pan hole NetCol5000 A025 In row A...

Page 270: ... as shown in Figure 6 32 Figure 6 32 Removing hose clamps from a pipe Step 4 Use a socket wrench to remove the two M6 screws from the sheet metal fastener of the water pump and pull out the water pump assembly as shown in Figure 6 33 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 6 System Operation and Maintenance Issue 15 2020 12 10 Copyright Huawei Technologies ...

Page 271: ...amp Connect the water pump power cable Step 7 Remove the blockage from the water pan reinstall the water pan cover and then close the front door End 6 5 15 Optional Replacing a Humidifier Water Pump Prerequisites The water pump needs to be replaced A spare water pump of the same model is available and functional Tool flat head screwdriver Before removing the water pump drain water from the water p...

Page 272: ... the water inlet pipe of the pump to prevent water overflowing out of the water pan and water pipe Step 2 Open the rear door and remove the air filter Step 3 Cut off the ties on the water inlet pipe for the wet film humidifier Figure 6 35 Cutting cable ties Step 4 Hold the release sleeve by hand and remove the water inlet pipe NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300...

Page 273: ...ater is drained use a flat head screwdriver to remove the hose clamps that secure the water pump and disconnect the power cable Pump2 of the water pump NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 6 System Operation and Maintenance Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 263 ...

Page 274: ... Prerequisites The LCD needs to be replaced A spare LCD with the correct software version is available If the LCD software is incorrect upgrade the software by following the instructions in the ACC Software Upgrade Guide Tool Phillips screwdriver Procedure Step 1 Tap Shutdown on the LCD home screen NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 6 System Operation ...

Page 275: ...llips screwdriver and then remove the LCD screen as shown in Figure 6 38 Figure 6 38 Replacing an LCD Step 4 Secure the spare LCD screen to the original position on the front door using a Phillips screwdriver Step 5 Connect the cable to the LCD and close the front door End NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 6 System Operation and Maintenance Issue 15 2...

Page 276: ...e 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 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 7 FAQ Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 266 ...

Page 277: ...ures from temp set point 3 C to temp set point 3 C at least and from temp set point 30 C to temp set point 30 C at most You 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 Log...

Page 278: ... 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 Parameters Procedure Choose Common Function Operating Info o...

Page 279: ...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 the About screen tap Version Info or E label Figure 7 5 and Figure 7 6 are displayed Figure 7 5 Version Info Figure 7 6 E label NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 7 FAQ Issue 15 2020 12 10 Copy...

Page 280: ... 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 show the information of these T H boards End 7 1 6 How to View Teamwork Control Information Procedure Step 1 On the home screen choose The teamwork control information is displayed as shown i...

Page 281: ... Alarms Procedure Step 1 Tap or choose Alarms Query Act Alarms on the home screen to enter the active alarms screen Figure 7 8 Act Alarms NOTE Active alarms 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 c...

Page 282: ...can be cleared manually You need to tap Clear to clear the alarm after the fault is rectified The alarm clearance type automatic or manual varies with smart cooling products Some of the alarms 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...

Page 283: ...Exercise caution when deleting all historical alarms Because this operation may cause clearance of all historical alarms and affects device maintenance Procedure Step 1 On the home screen choose Alarms Delete Hist Alarms Figure 7 11 is displayed Figure 7 11 Delete historical alarms screen Step 2 Tap Confirm to delete all historical alarms NOTE After alarms are deleted the operation is recorded in ...

Page 284: ...nent maintenance Otherwise the component may run overtime and degrade performance Procedure Step 1 On the home screen choose Maint Performance Maint 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 te...

Page 285: ...tch 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 NOTICE 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 the display screen firmly if you are using your fingertips ...

Page 286: ...brating b Flip the fourth toggle switch to ON and others remain unchanged The screen calibration function is triggered After 15 seconds a dialog box indicating Are you sure you want to calibrate the screen If you do not click Confirm or Cancel calibration will start automatically 10s later is displayed NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 7 FAQ Issue 15 ...

Page 287: ...bration failure End 7 1 14 How to Modify a Password Prerequisites To modify a password log in as the admin user or operator user You can only modify the password of the current user Procedure Step 1 On the home screen choose Settings User Settings to enter the User Settings screen as shown in Figure 7 14 Figure 7 14 User Settings Step 2 Tap Password to enter the password changing screen as shown i...

Page 288: ... parameter Configurations of temperature and humidity alarms and main board alarms for the air cooled devices comply with the following relationships Power underfrequency alarm threshold Power overfrequency alarm threshold NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 7 FAQ Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 278 ...

Page 289: ...m threshold follow the instructions in this section The method for setting each alarm is the same This section 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 NOTICE Be careful when configuring alarms Only professional maintenance personnel can change alarm settings Procedure Step 1 Choose Settings Alarm Settin...

Page 290: ...ocked 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 tapped if the shortest running shutdown time is not met To exit the diagnostic m...

Page 291: ...ttings All parameters displayed on Settings Alarm Settings All parameters displayed on Settings Comm Settings All parameters except for language and time settings displayed on Settings Quick Settings Date format and time zone settings displayed on Settings User Settings All parameters displayed on Maint Sensor Calibration NOTICE To prevent key data from being lost you are recommended to record all...

Page 292: ...ated on the side of the screen If the USB flash drive has been successfully identified is displayed in the status bar If the USB flash drive is not properly connected the system will display No USB device found during operations about the USB flash drive Procedure Step 1 Tap Maint USB Operations Export to enter the Select Path screen as shown in Figure 7 18 Figure 7 18 Select path Step 2 Tap the f...

Page 293: ...es before using them You can export parameter 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 20 Figure 7 20 Select p...

Page 294: ... 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 22 Figure 7 22 Select file Step 6 Select the file that needs to be imported and tap Next as shown in Figure 7 23 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm W...

Page 295: ...firm and Next Figure 7 24 and Figure 7 25 are displayed Figure 7 24 Data process 1 Figure 7 25 Data process 2 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 7 FAQ Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 285 ...

Page 296: ...o the USB port located on the side of the screen and has been recognized 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 NOTICE 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...

Page 297: ...e fault according to the message and import files again End 7 2 WebUI Operations 7 2 1 How to Manage WebUI Users Context WebUI users are classified as Administrator and Operator They have different operation 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 soft...

Page 298: ...he admin user and click Modify Reset the login password on the displayed page and tap Confirm Figure 7 28 Changing the login password 4 Input the Login password and click Submit Figure 7 29 Recertification Step 2 Add a WebUI user 1 Choose Maintenance User Management The user management page is displayed 2 Click Add NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 7 ...

Page 299: ...y 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 Step 2 Upload a network security certificate 1 Choose System Settings Network Security Cert 2 Select a certificate format from the drop down list box 3 Click Browse on the right of Plea...

Page 300: ...ling 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 NOTE Record the password for importing a configuration file 2 Click Back Up Current Settings Step 4 Import a configuration file NOTICE The smart cooling product 2 wil...

Page 301: ...he 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 smart cooling product WebUI as an administrator Step 2 Choose System Settings IP Address and change the IP subnet mask and default gateway inf...

Page 302: ...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 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width 7 FAQ Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 292 ...

Page 303: ...ox Layout Figure A 1 Electric Control Box Layout NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width A Electric Control Box Layout Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 293 ...

Page 304: ...icat ion power port X102 connectio n is not required onsite 9 Signal port X103 connectio n is not required onsite 10 Outdoor unit power AC3 11 Fuse FU1 oil belt fuse Contactor fuse FU2 and FU3 N A B Signal cable terminal block X301 1 Outdoor unit control Outdoor unit control dry contact 2 Outdoor unit control dry contact 3 Smoke sensor Smoke sensor power supply 12 V DC 4 Smoke sensor feedback 5 Po...

Page 305: ...5 control RS485 SW 2 RS485 SW 3 GND ISO 4 Dry contact alarm 1 Dry contact alarm 1 5 Dry contact alarm 1 6 Dry contact alarm 2 Dry contact alarm 2 7 Dry contact alarm 2 8 N A N A C Fan breaker Fan1 to Fan6 between the two groups of fans on the front door NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width A Electric Control Box Layout Issue 15 2020 12 10 Copyright Huawe...

Page 306: ...re switch 5 Oil separator 6 Check valve 7 Discharge pipe needle valve 8 Oil trap 9 Outdoor unit 10 Inverted trap 11 Liquid pipe needle valve 12 Filter dryer 13 Liquid pipe temperature sensor 14 Sight glass 15 Electronic expansion valve 16 Low pressure needle valve 17 Evaporator 18 Indoor fan 19 Distributor 20 Capillary tube 21 Solenoid valve NetCol5000 A025 In row Air Cooled Smart Cooling Product ...

Page 307: ...routed onsite by technical personnel Huawei does not provide the oil trap and inverted trap However to ensure the normal operating and easy maintenance of the cooling system it is recommended that you use these two components NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width B Layout of the Cooling System Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 297 ...

Page 308: ... product indoor unit base dimensions Figure C 1 Base installation dimensions without an enclosure frame NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width C Base Dimensions Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 298 ...

Page 309: ...Base installation dimensions with an enclosure frame NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width C Base Dimensions Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 299 ...

Page 310: ...Electrical Conceptual Diagram NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width D Indoor Unit Electrical Conceptual Diagram Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 300 ...

Page 311: ...ectrical Conceptual Diagram 1 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width D Indoor Unit Electrical Conceptual Diagram Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 301 ...

Page 312: ...ectrical Conceptual Diagram 2 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width D Indoor Unit Electrical Conceptual Diagram Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 302 ...

Page 313: ...ectrical Conceptual Diagram 3 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width D Indoor Unit Electrical Conceptual Diagram Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 303 ...

Page 314: ...ectrical Conceptual Diagram 4 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width D Indoor Unit Electrical Conceptual Diagram Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 304 ...

Page 315: ...ectrical Conceptual Diagram 5 NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width D Indoor Unit Electrical Conceptual Diagram Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 305 ...

Page 316: ...troller Area Network D DC direct current DIP dual in line package E EC electronic commutation EEV electronic expansion valve EMS Element Management System NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width E Acronyms and Abbreviations Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 306 ...

Page 317: ... computer PDC power distribution cabinet PTC positive temperature coefficient PUE Power Usage Effectiveness R RCCB Residual Current Circuit Breaker S SPD surge protective device T NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width E Acronyms and Abbreviations Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 307 ...

Page 318: ...istor U UI user interface USB Universal Series Bus NetCol5000 A025 In row Air Cooled Smart Cooling Product User Manual 300 mm Width E Acronyms and Abbreviations Issue 15 2020 12 10 Copyright Huawei Technologies Co Ltd 308 ...

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