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Figure 4-26 Selecting commissioning items

NO TE

● If the system is not configured with the humidifier components, the humidifier

commissioning items will not appear on the screen.

● If the humidification function are disabled, you cannot select the humidifier item.
● All the items are selected by default if you first enter the screen where you select

commissioning items. Except that the indoor fan item is mandatory, you can clear other

commissioning items that are not required.

Step 5 Tap Yes. The component startup commissioning screen is displayed, as shown in

Figure 4-27

.

Figure 4-27 Fan commissioning

NO TE

The fan commissioning item is mandatory. After commissioning for a component succeeds,

the system automatically performs commissioning for the next component you selected. If

commissioning fails, startup wizard ends.

Step 6 View the commissioning result.

●

Figure 4-28

is displayed if component commissioning succeeds.

NetCol5000-C(030, 032, 065) In-row Chilled Water

Smart Cooling Product

User Manual (2019)

4 Commissioning

Issue 03 (2020-08-30)

Copyright © Huawei Technologies Co., Ltd.

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Содержание NetCol5000-C030H90D0

Страница 1: ...NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 Issue 03 Date 2020 08 30 HUAWEI TECHNOLOGIES CO LTD ...

Страница 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...

Страница 3: ...ical support engineers System engineers Hardware installation engineers Commissioning engineers Data configuration engineers Maintenance engineers Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates a hazard with a high level of risk which if not avoided will result in death or serious injury Indicates a hazard with a medium level o...

Страница 4: ...OTE is used to address information not related to personal injury equipment damage and environment deterioration Change History Changes between document issues are cumulative The latest document issue contains all the changes made in earlier issues Issue 03 2020 08 30 Added the related description of the engineer manual and so on Issue 02 2020 01 10 Updated the safety information Issue 01 2019 11 ...

Страница 5: ...NetCol5000 C065 21 2 6 Typical Application Scenarios NetCol5000 C030 C032 22 2 7 Application Conditions 23 2 8 Technical Specifications NetCol5000 C065 25 2 9 Technical Specifications NetCol5000 C030 C032 26 2 10 Performance Curves 27 3 Installation 29 3 1 Installation Precautions 29 3 1 1 Tools 30 3 1 2 Pipe Connection 31 3 1 3 Material Preparations 32 3 1 3 1 Automatic Drainpipe 32 3 1 3 2 Optio...

Страница 6: ... Optional Performing a Leakage Test with Nitrogen 58 3 10 Injecting Water to Expel Gas 60 3 11 Optional Leakage Test with Water 61 3 12 Cable Connections 61 3 12 1 Overview and Precautions 61 3 12 2 Connecting an Equipotential PE Cable 62 3 12 3 Connecting Power Cables 63 3 12 4 Teamwork Networking and Monitoring 66 3 12 4 1 Main Control Board Ports 66 3 12 4 2 Signal Ports 67 3 12 4 3 Connecting ...

Страница 7: ...bUI Login 118 5 2 WebUI Introduction 120 6 System Operation and Maintenance 122 6 1 Routine Maintenance 122 6 1 1 Routine Maintenance Overview 122 6 1 2 Routine Maintenance Item 123 6 2 Alarm References 125 6 3 Troubleshooting 145 6 4 Parts Replacement 147 6 4 1 Replacement Requirements 147 6 4 2 Replacing the Air Filter 148 6 4 3 Replacing the Fan 149 6 4 4 Replacing the Wet Film Humidifier 150 6...

Страница 8: ...Values After Default Settings Are Operated 182 7 1 17 Exporting Data 182 7 1 18 How to Export and Import a Configuration file 184 7 1 19 How to Import a Certificate and a Key 186 7 2 WebUI Operations 187 7 2 1 How to Manage WebUI Users 187 7 2 2 How to Install a Network Security Certificate 189 7 2 3 How Can I View Active Alarms and Historical Alarms 189 7 2 4 How Can I Export or Import a Configur...

Страница 9: ...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 or ...

Страница 10: ...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 m...

Страница 11: ... operations ensure that the equipment is firmly secured to the floor or other solid objects such as a wall or an installation rack Do not use water to clean electrical components inside or outside of a cabinet Do not change the structure or installation sequence of equipment without permission Do not touch a running fan with your fingers components screws tools or boards before the fan is powered ...

Страница 12: ...allation operation maintenance Trained personnel personnel who are technically trained have required experience are aware of possible hazards on themselves in certain operations and are able to take protective measures to minimize the hazards on themselves and other people Operators operation personnel who may come in contact with the equipment except trained personnel and professionals Only profe...

Страница 13: ...n the cables and heat generating components or areas This prevents damage to the insulation layer of the cables Do not route cables behind the air intake and exhaust vents of the equipment Ensure that cables meet the VW 1 flame spread rating requirements Bind cables of the same type together When routing cables of different types ensure that they are at least 30 mm away from each other If an AC in...

Страница 14: ...on Environment Requirements To prevent fire due to high temperature ensure that the ventilation vents or heat dissipation system are not blocked when the equipment is running Install the equipment in an area far away from liquids Do not install it under areas prone to condensation such as under water pipes and air exhaust vents or areas prone to water leakage such as air conditioner vents ventilat...

Страница 15: ...ted area and eye catching signs for working at heights to warn away irrelevant personnel Carry the operation machinery and tools properly to prevent them from falling off and causing injuries Personnel involving working at heights are not allowed to throw objects from the height to the ground or vice versa Objects should be transported by tough slings hanging baskets highline trolleys or cranes En...

Страница 16: ...ep 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 figure An angle rule can be used to measure the angle Ensure that the wid...

Страница 17: ...side 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 hea...

Страница 18: ...afety 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 caus...

Страница 19: ...er 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 Exer...

Страница 20: ...H9HE0 NetCol5000 C032H9HD0 NetCol5000 C065H9HD0 NetCol5000 C065H9HE0 NetCol5000 C065H90D0 Figure 2 1 shows the naming rule for the NetCol5000 C series products Figure 2 1 Naming rule NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 2 Product Description Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 12 ...

Страница 21: ...nt monitoring quick installation and commissioning and easy maintenance Efficient Refrigerating The highly efficient EC fan saves more than 30 of energy than a common fan Chilled water valves are used to control incremental PID parameters with precise adjustment and accurate control Intelligent differential pressure control optional Saves energy compared with the control mode of a normal fan Wet f...

Страница 22: ...smart cooling product running data is collected automatically which helps O M personnel evaluate the status of the key components of the smart cooling product and simplifies O M Easy Maintenance Real time display The cooling capacity air volume power and fan speed can be displayed in real time on the control panel which helps O M personnel grasp the running status of smart cooling products Profess...

Страница 23: ...n advance 2 4 Component 2 4 1 Appearance and Components Appearance Figure 2 2 Appearance NetCol5000 C065 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 2 Product Description Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 15 ...

Страница 24: ...et film humidifier 7 Chilled water outlet pipe 8 Water pan 9 Automatic drainpipe 10 Chilled water valve actuator 11 Chilled water inlet pipe 12 Heat exchanger Figure 2 4 Appearance NetCol5000 C030 C032 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 2 Product Description Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 16 ...

Страница 25: ...proportional integral derivative PID control with precise adjustment and accurate control Electronic Commutation EC fan The axial fan comes from a high end brand and provides high reliability and a long service life The highly efficient EC fan saves more than 30 of energy than a common fan You can view the power and speed status as well as obtain fault information in real time over the LCD allowin...

Страница 26: ...t helps save energy and reduce power consumption The air supply volume is also sufficient which helps eliminate hotspots and improves reliability 2 4 2 Controller Appearance The 7 inch display panel with the true color touchscreen provides user interfaces for query setting monitoring and maintenance The indicator on the panel displays operating status of the precision smart cooling product Figure ...

Страница 27: ...emperature and humidity The 7 inch display panel with the true color touchscreen allows you to set parameters for the smart cooling product and query its status The smart cooling product has the following four remote functions Telemetry supply air temperature return air temperature supply air humidity return air humidity and working status of the smart cooling product Teleadjust temperature and hu...

Страница 28: ...te A comprehensive power monitoring function is provided Faults such as power open phase overvoltage undervoltage high frequency and low frequency are diagnosed and appropriate alarms are reported and recorded Automatic protection recovery and restart are also provided Features The controller provides a touchscreen with a user friendly interface The controller controls the indoor temperature preci...

Страница 29: ... product supports remote management ports and provides RS485 ports and FE ports to support Modbus RTU Modbus TCP and SNMP for real time data collection and alarm reporting Smart cooling products can be networked over the CAN bus to realize teamwork control energy conservation and service life extension 2 5 Typical Application Scenarios NetCol5000 C065 The NetCol5000 C provides a high heat flux coo...

Страница 30: ...centers or hot areas in common data centers It is used in class A environments in data centers Figure 2 9 and Figure 2 10 show the specific application scenarios Figure 2 9 Positions of NetCol5000 Cs in a modular data center 1 Server 2 NetCol5000 C NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 2 Product Description Issue 03 2020 08 30 Copyright Huawei Technol...

Страница 31: ... Ports The following table describes the ports reserved on the device Table 2 2 Pipe Ports Item NetCol5000 C065 NetCol5000 C030 C032 Water outlet pipe G 1 1 2inch port with inner threads G 1inch port with inner threads Water inlet pipe G 1 1 2inch port with inner threads G 1inch port with inner threads Optional Humidifier water inlet pipe G 3 4inch port with outer threads G 3 4inch port with outer...

Страница 32: ...d the temperature should be in the range of 1 C 40 C The wet film humidifier should use tap water no water treatment facility needed for the inlet water 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 Power distribution Leakage circuit breakers are not used for the main power route If...

Страница 33: ...djustment precision 5 RH Air outlet static pressure 0 50 Pa adjustable 2 8 Technical Specifications NetCol5000 C065 Table 2 5 Technical specifications of NetCol5000 C065 Item NetCol5000 C065 Power system 220 V AC to 240 V AC 1 Ph 50 60 Hz dual power supplies Tolerance Rated voltage 15 to 10 rated frequency 5 Hz Number of fans 10 Cooling capacity kW 65a Air volume m3 h 10000 Maximum operating curre...

Страница 34: ...ir temperature is 37 C the return air relative humidity is 24 the supply return water temperatures are 10 C 15 C respectively and the static pressure outside the smart cooling product is 0 Pa 2 9 Technical Specifications NetCol5000 C030 C032 Table 2 6 Technical specifications of NetCol5000 C030 C032 Item NetCol5000 C030 NetCol5000 C032 Power system 220 V AC to 240 V AC 1 Ph 50 60 Hz dual power sup...

Страница 35: ...ping and overhead cabling Certification CE RoHS REACH WEEE and IEC CE RoHS REACH WEEE and IEC Air filter level G4 G4 Net weight kg NetCol5000 C030H90D0 162 NetCol5000 C030H9HD0 164 NetCol5000 C030H9HE0 164 NetCol5000 C032H9HD0 175 a Rated working conditions are that the return air temperature is 37 C the return air relative humidity is 24 the supply return water temperatures are 10 C 15 C respecti...

Страница 36: ...nce range and can be ignored Cooling Capacity Curve in Proportion to the Glycol Solution Density The cooling capacity is obtained by multiplying the glycol solution density by the rated cooling capacity Figure 2 12 Cooling capacity curve in proportion to the glycol solution density NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 2 Product Description Issue 03 2...

Страница 37: ...than 1200 mm maintenance space at the front or rear of the smart cooling product and more than 1000 mm maintenance space at the other end Figure 3 1 uses more than 1200 mm maintenance space at the front door and more than 1000 mm maintenance space at the rear door as an example Install the water inlet and outlet pipes to the predefined paths and reserve proper length for connecting water inlet and...

Страница 38: ...wrench 36 mm 2 PCS Socket wrench M10 M12 Open end torque wrench Diagonal pliers Wire stripper Crimping tool Torch Electrician s knife Step ladder 2 m ESD gloves PVC insulation tape Vacuum cleaner Steel wire brush Multimeter Claw hammer Level Hot melt device used when water pipes are made of PPR or aluminum plastic material NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Ma...

Страница 39: ...cylinder Pressure gauge Fluorine injection hose Reducing valve 3 1 2 Pipe Connection NetCol5000 C pipes are routed from the bottom onsite as shown in Figure 3 2 NOTICE It is recommended that you close the inlet valve in the unit when there is chilled water circulation in the system and the unit is not in use NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Ins...

Страница 40: ...terials that can be purchased from Huawei or any other vendor if you have ordered the materials from Huawei you do not need to purchase them elsewhere For details about the specifications of such materials to be purchased see the following sections Engineering procurement materials that are not configured by Huawei and need to be purchased from another vendor 3 1 3 1 Automatic Drainpipe The drainp...

Страница 41: ... Humidifier Water Inlet Pipe Figure 3 4 Connecting a humidifier water inlet pipe 1 Connector with outer screw threads G 3 4 inch 2 Adapter with inner screw threads G 3 4 inch Plastic materials such as PA66 and metal materials are recommended 3 Matched with the adapter the pressure resistance should be at least 0 7 MPa NOTE The object shown in the dotted line box is the water inlet pipe connector w...

Страница 42: ...2 Seamless steel pipe with a G 1 in external threaded connector engineering purchase 3 Direct connection of external teeth engineering purchase 4 Sealing ring 5 Nut 6 NetCol5000 C065 Aluminum plastic pipe with an inner diameter of 41 mm engineering purchase NetCol5000 C030 C032 Aluminum plastic pipe with an inner diameter of 26 mm engineering purchase 3 1 3 4 Pipe Support Supports for pipes and wa...

Страница 43: ...3 4 Cables and switches required NetCol5000 C065 Name Specifications Quanti ty Remarks Power cable Electronic Electric Cable 600 V 1000 V ZA RVV 3 x 6 mm2 Black 3 Cores Brown Blue Yellow Green 46 A Outdoor Cable CE 2 PCS Optional same cable parameters for the active and standby routes Teamwork networkin g and monitoring cable Signal cable shielded straight through cable 10 m MP8 II CC4P0 5GY S MP8...

Страница 44: ...tional same cable parameters for the active and standby routes Teamwork networkin g and monitoring cable Signal cable shielded straight through cable 10 m MP8 II CC4P0 5GY S MP8 II FTP 1 PCS Optional Fuse Slow Blow Fuse 500 V 3 15 A 2 PCS Standard configuration delivered with the product OT terminal Naked Crimping Terminal OT 2 5 mm2 M6 Tin Plating Insulated Ring Terminal 16 14 AWG Blue 6 PCS Stan...

Страница 45: ... 8 NetCol5000 C030 C032 external structure take NetCol5000 C030 as an example 1 LCD 2 Door lock 3 Front door 4 Side panel 5 Rear door 3 1 4 2 Cabinet Holes NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 37 ...

Страница 46: ...tlet pipe hole 6 Power cable hole 7 Signal cable hole Figure 3 10 Top and bottom view of NetCol5000 C030 C032 unit mm 1 Automatic drainpipe hole 2 Humidifier water inlet pipe hole 3 Equipotential PE cable hole 4 Chilled water outlet pipe hole NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd ...

Страница 47: ...If any damage is found contact the shipping company immediately Step 3 Check the type and quantity of fittings against the packing list If fittings are missing or inconsistent with those in the packing list contact your local Huawei office immediately End 3 3 Installation Process NOTICE Remove the protective plastic bag from the cabinet only immediately before installation Do not remove the bag du...

Страница 48: ...en leakage You can open or close the exhaust valve using a flat head screwdriver Procedure Step 1 Open the door lock using a key and open the cabinet rear door Step 2 Unfasten the rotating baffle plates and remove the air filters NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 40 ...

Страница 49: ...air filters are the same Take dual cabinet packaging as an example Step 3 Take out the desiccant bag Step 4 Press and hold the manual adjustment switch and manually turn the chilled water valve to the 100 state as shown in Figure 3 14 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 41 ...

Страница 50: ...l Slowly open the exhaust valve to discharge nitrogen and close the valve when there is no airflow through the valve If no gas emits out of the valve contact Huawei technical support Figure 3 15 Checking the nitrogen pressure NetCol5000 C065 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 4...

Страница 51: ...is tightly wrapped by thermal insulation foam 3 5 Removing the Pallet 3 5 1 Removing the Pallet NetCol5000 C065 Procedure Step 1 Remove the connecting kit that secures the cabinet to the pallet from the bottom of the two side panels of the cabinet as shown in Figure 3 17 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyrigh...

Страница 52: ...ition You are advised to use a pallet truck to transport devices NOTICE Exercise caution when moving the cabinet to prevent falling down End 3 5 2 Removing the Pallet NetCol5000 C030 C032 Procedure Step 1 Remove the connecting kit that secures the cabinet to the pallet For single cabinet packaging Remove the connecting kit that secures the cabinet to the pallet from the bottom of the two side pane...

Страница 53: ...and the eight bolts securing the cabinet to the pallet Figure 3 19 Removing the connecting kits that secures the cabinet to the pallet dual cabinet packaging NOTICE Save the removed bolts for future use Step 2 Remove the side plates NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 45 ...

Страница 54: ...tallation position Figure 3 21 Force bearing position 1 Force bearing beam Step 4 Install the side plates End 3 6 Leveling and Combining Cabinets NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 46 ...

Страница 55: ...o elevate a cabinet wrench an anchor bolt anticlockwise to lower a cabinet The leveling feet can be adjusted within a range of 0 8 mm To prevent damaged caused by cabinet tilt adjust all the leveling feet at the four corners instead of one foot Use a measuring tape to check that the vertical distance between the top of the cabinet and the floor is 2000 mm 2 mm Do not remove the leveling feet Other...

Страница 56: ...ews Step 3 Secure the connecting kits at the connection positions on the rear door using screws in the same way NOTE Ensure that the vertical distance between each device top and the floor is 2000 mm 2 mm and that all device tops are on the same plane End NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technol...

Страница 57: ...vate a cabinet wrench an anchor bolt anticlockwise to lower a cabinet The leveling feet can be adjusted within a range of 0 8 mm To prevent damaged caused by cabinet tilt adjust all the leveling feet at the four corners instead of one foot Use a measuring tape to check that the vertical distance between the top of the cabinet and the floor is 2000 mm 2 mm or 2200 mm 2 mm Do not remove the leveling...

Страница 58: ...ach device top and the floor is 2000 mm 2 mm or 2200 mm 2 mm and that all device tops are on the same plane End 3 7 Securing the NetCol5000 C 3 7 1 Securing the device NetCol5000 C065 Prerequisites Secure the smart cooling product to the base If there are no bases onsite prepare one by referring to Figure B 1 Procedure Step 1 Secure the NetCol5000 C to the base NetCol5000 C 030 032 065 In row Chil...

Страница 59: ...e prepare one by referring to Figure B 2 Procedure Step 1 Secure the NetCol5000 C to the base NOTE There are rubber plugs in the fixing holes for a single cabinet packaging Take out the rubber plugs and then secure it to the base NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 51 ...

Страница 60: ...d with thermal insulation foam The drainpipe can be secured along the door post using cable ties inside a cabinet Procedure Step 1 Remove the drainpipe plug Step 2 Install a pipe adapter and seal it with sealant Step 3 Connect the PPR water pipe using a heat gun and wrap the pipe with thermal insulation foam NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Ins...

Страница 61: ... Optional Connecting the Humidifier Water Inlet Pipe Context A reducing valve must be installed if the inlet water pressure exceeds 0 7 MPa Appliance is intended to be permanently connected to the water mains and not connected by a hose set NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 53...

Страница 62: ...0 N m A sealing washer must be used when an union is used Step 2 Install the pipe to the adapter Figure 3 31 Water inlet pipe NetCol5000 C065 NOTE The other end is a reserved G 3 4 inch connector with inner screw threads Connect the other end to a rigid pipe based on site requirements NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 ...

Страница 63: ...er pipe and wrap the pipe with thermal insulation foam End 3 8 3 Connecting the Chilled Water Inlet and Outlet Pipes Context A Y shaped strainer has been installed on the chilled water inlet Connect the water inlet and outlet pipes from the inside to the outside and from the bottom to the top Water inlet and outlet pipes are connected using thread connectors Chilled water inlet and outlet pipes ca...

Страница 64: ...p 4 Apply screw thread sealant evenly on the connecting position of external screw threads at pipe ends and install the pipes from inside out Step 5 Use a common wrench and trimo wrench to connect and secure water inlet and outlet pipes Step 6 Attach thermal insulation foam to the pipes and ensure that the foam is in close contact with the pipes Step 7 After pipes are connected seal the gaps betwe...

Страница 65: ...or the chilled water inlet and outlet pipes using a knife Step 3 Remove the water pipe plug using an open end wrench Step 4 Apply screw thread sealant evenly on the connecting position of external screw threads of the straight male connector and use a torque wrench and a common wrench in collaboration to secure the straight male connector to the connector on the device Step 5 Install the sealing r...

Страница 66: ... Step 8 After pipes are connected seal the gaps between the knock out holes and the pipes using sealant or foaming agent End 3 9 Optional Performing a Leakage Test with Nitrogen Prerequisites You can decide whether a leakage test with nitrogen needs to be performed or not based on the site situation NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation...

Страница 67: ...a after it is stabilized and keep it for 24 hours Figure 3 37 Injecting nitrogen NetCol5000 C065 Figure 3 38 Injecting nitrogen NetCol5000 C030 C032 Step 3 After 24 hours if the pressure drop is less than 0 01 MPa the pipes do not leak Open the exhaust valve using a screwdriver and close the valve when there is no airflow through the valve Then you can perform the following operations NetCol5000 C...

Страница 68: ...e construction you are advised to clean the main pipe before water is supplied to the smart cooling product Turn off the isolation valves on the water inlet and outlet pipes before the cleaning and turn them on afterwards Procedure Step 1 Ensure that the needle valve and exhaust valve on the pipe are closed and the chilled water valve is in the 100 state as shown in Figure 3 39 Figure 3 39 Adjusti...

Страница 69: ...recautions Precautions Connections of all power cables control cables and ground cables must comply with the local electrical code and the cable specifications should comply with the local cabling specifications For details about the maximum current see the equipment nameplate Ensure that the voltage and frequency of the primary power supply meet the requirements Only trained and qualified personn...

Страница 70: ... contactor KM2 9 AC contactor KM3 3 12 2 Connecting an Equipotential PE Cable Connect the PE cable to the marked position in the upper part of the cabinet and connect the cable to the external ground system Figure 3 41 Connecting an equipotential PE cable NetCol5000 C065 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyrigh...

Страница 71: ... and ensure that they are not loose after pulling If the cables are not recommended specifications you need to prepare the terminals by yourself Step 2 Remove the cover of the electric control box 1 Remove the four screws from the cover of the electric control box using an M5 screwdriver 2 Push the cover upward and take out the cover from the positioning pins 3 Pull the entire cover out of the cab...

Страница 72: ... box NetCol5000 C065 Figure 3 44 Removing the cover of the electric control box NetCol5000 C030 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 64 ...

Страница 73: ...ep 3 Connect power cables NOTICE Exercise caution while connecting cables Prepare protective tools in advance Figure 3 46 Connecting power cables NetCol5000 C065 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 65 ...

Страница 74: ... short circuit between L and N of AC1 and AC2 Use a multimeter to check for a short circuit between L N and PE If there is a short circuit remove the cable and reconnect it using the method described in Step 3 2 After verifying the connection perform Step 5 If there is no short circuit perform Step 5 Step 5 Check that the cable connections are secure If the cable connections are loose fasten the c...

Страница 75: ... are reserved 4 COM_IN RS485 communications port used for connecting to the monitoring system 5 COM_OUT RS485 communications port used for connecting to the monitoring system 6 FE used for connecting to the monitoring system 7 USB 8 DP port 9 Run Alarm indicator 10 DPT used for connecting to the differential pressure sensor 11 Power indicator 3 12 4 2 Signal Ports NetCol5000 C 030 032 065 In row C...

Страница 76: ...cooling products in a teamwork group must be of the same model The default networking mode is CAN networking The smart cooling product supports two teamwork networking modes FE teamwork networking and CAN teamwork networking hand in hand 3 12 4 3 1 Connecting the FE Teamwork Network Cable Procedure Step 1 Optional Make FE teamwork network cables by referring to Figure 3 50 if required onsite NetCo...

Страница 77: ...in Figure 3 48 and connect the other end to the POE port on the smart ETH gateway as shown in Figure 3 51 or Figure 3 52 Figure 3 51 Connecting the FE teamwork network cable NetCol5000 C065 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 69 ...

Страница 78: ...t and last smart cooling products to Yes Procedure Step 1 Prepare the 8pin standard network cable the cable pin sequence requirements are shown below Figure 3 53 CAN_IN CAN_OUT network cable pin sequence Step 2 Use a CAN teamwork cable to connect the CAN_OUT port on a smart cooling product to the CAN_IN port on the following smart cooling product as shown in Figure 3 54 NetCol5000 C 030 032 065 In...

Страница 79: ...t cooling product Therefore the time required for collecting data from N smart cooling products in a group is 3 x N If the data collection time is longer than the performance requirement you can divide the smart cooling products into several groups For example if the EMS needs to finish data collection in 12 seconds you are advised to group smart cooling products by four and connect the COM_IN por...

Страница 80: ...hen the terminals of a water sensor detect water or other conductive liquid resistance between the two terminals decreases Keep water sensors far away from water traps or floor drains Procedure Step 1 Connect one end of the water sensor cable to the water sensor Step 2 Connect the other end of the water sensor cable to Water and Water on the water sensor at the signal port through the signal cable...

Страница 81: ... H sensors outside the cabinet must be near the smart cooling product to sense the temperature of the outlet air and must be away from the air exhaust vents of other smart cooling products Procedure Step 1 Connect the T H sensors outside the cabinet and the T H sensors at the return air side in series Figure 3 57 or Figure 3 58 shows how to route the cables Figure 3 57 Cables routed outside the ca...

Страница 82: ...itch ID 1 2 3 4 5 6 Cold aisle Cold aisle 1 temp humid 11 ON ON OFF ON OFF OFF Cold aisle 2 temp humid 12 OFF OFF ON ON OFF OFF Cold aisle 3 temp humid 13 ON OFF ON ON OFF OFF Cold aisle 4 temp humid 14 OFF ON ON ON OFF OFF Cold aisle 5 temp humid 15 ON ON ON ON OFF OFF Hot aisle Hot aisle 1 temp humid 21 ON OFF ON OFF ON OFF Hot aisle 2 temp humid 22 OFF ON ON OFF ON OFF NetCol5000 C 030 032 065 ...

Страница 83: ...nsors in the aisles corresponding to the addresses to Enable Otherwise the sensors will not work End 3 12 7 Optional Installing a Differential Pressure Sensor Procedure Step 1 Secure the differential pressure sensor and the fasteners using M5 tapping screws as shown in step 1 in Figure 3 59 or Figure 3 60 Figure 3 59 Securing a differential pressure sensor NetCol5000 C065 NetCol5000 C 030 032 065 ...

Страница 84: ... 1 Check the drainpipes are securely installed clear free of leakage and not over bent 2 Check that the chilled water connector joints have been tightly wrapped with thermal insulation foam and no metal or hose is exposed 3 Check that the liquid level detector is horizontal that the water pan is free of foreign matter such as residual cables and thermal insulation foam and that the cables are secu...

Страница 85: ...d correctly and separately 9 Check that strong and weak current cables are bound separately NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 3 Installation Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 77 ...

Страница 86: ...og in as the admin user as shown in Figure 4 1 Figure 4 1 Initial power on Table 4 1 Preset password User Preset Password Permission Description admin administrator user 000001 People can operate all menus operator common user 000001 People can only view parameter settings and set a part of parameters in the menus NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019...

Страница 87: ...r 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 default password in time or password loss after changing After login you are allowed to perform operations until being logged out if no operation is performed with...

Страница 88: ...r according to reading habits Date settings Specifies the date displayed on the ACC Set the parameter according to the actual situation Time zone Specifies the time zone displayed on the ACC Set the parameter according to the actual situation Time Specifies the time displayed on the ACC Set the parameter according to the actual situation NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling ...

Страница 89: ...rs that in the same group Set this parameter based on the onsite device heat distribution Networking mode Networking mode for the teamwork The networking mode set on the screen must be consistent with the actual networking mode Otherwise the teamwork control function will be unavailable Networked over CAN or MAC_CAN CAN network indicates teamwork control over a CAN bus MAC_CAN network teamwork con...

Страница 90: ...cold aisle T H sensor Disable Hot aisle temperature 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 acquired value of the configured hot aisle T H sensor Disable System Settings Dual power supply setting Primary power first or Primary power first can be set as requi...

Страница 91: ...e set to Enable Disable or Enabled when active power Enable indicates that the dehumidification function will be enabled when the ambient humidity exceeds the certain humidity range of the humidity set point Disable indicates that 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 an...

Страница 92: ...d and choose Supply air if the cold aisle T H sensors are not configured When the application scenario is non aisle containment you are advised to choose Return air and choose Cold aisle if the cold aisle T H sensors are configured Hot aisle is not recommended Temperature setpoint After the Temperature and humidity control type and the temperature value under this type are set the device conducts ...

Страница 93: ...unicates with the smart cooling product through this address The communication addresses of two smart cooling products connecting to the same EMS must be unique End 4 2 Home Screen You can tap the menu 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 3 NOTICE User interfaces displ...

Страница 94: ...is in diagnostic mode Tap the icon to exit from the diagnostic mode 4 The buzzer status The buzzer status can be set to On or Off The icon indicates that the buzzer is on When the buzzer is on it buzzes when an alarm is generated When the buzzer is buzzing you can tap anywhere on the screen to mute the buzzer After the buzzer is muted it still buzzes when a new alarm is generated The icon indicate...

Страница 95: ...ed in to the system and can tap the icon to log in indicates that you have logged in to the system as admin or operator user and can tap the icon to log out 12 Teamwork control button indicates that there is no teamwork control at present indicates that there is teamwork control without alarms at present indicates that there is teamwork control with alarms at present 4 3 Menu Structure The functio...

Страница 96: ...n exports data and upgrades the system About Checks the model manufacturer monitoring version detail version information and electronic label of the ACC 4 4 Initial Configuration 4 4 1 Setting Temperature and Humidity Values and Optional Enabling T H Sensors Prerequisites The T H sensors outside the cabinet need to be enabled when they are installed otherwise skip Step 2 If you need to enable a hu...

Страница 97: ... aisle T H sensors are configured Hot aisle is not recommended Temperatur e setpoint After the Temperature and humidity control type and the temperature value under this type are set the device conducts cooling or heating based on the settings Set this parameter as required Return air temperature 26 35 C recommended Supply air temperature 18 24 C recommended Cold aisle temperature 18 24 C recommen...

Страница 98: ... Parameter Description Configuration Principle Indoor fan control type Sets the control type for the indoor fan Normally retain R S air temp diff rate ctrl If the differential pressure sensors are configured change to Pressure diff ctrl Indoor fan silent mode Set maximum speed of indoor fan to reduce equipment noise You are advised not to change the value Indoor fan pressure difference setpoint Se...

Страница 99: ...he smart cooling products in same aisle or adjacent areas as one that is assign one teamwork group number for them At most four teamwork groups can be assigned 1 4 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 and can not be changed that collects processes and ...

Страница 100: ...e 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 t...

Страница 101: ...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 air conditioners in this group Number of active units in a group The value ranges from 1 to Number of air conditioners 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 will become t...

Страница 102: ...p 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 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 4 Commissioning Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 94 ...

Страница 103: ...rol 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 distribution all smart cooling product fans in the Anti competitive running is recommended for the following scenario In one teamwork the temp...

Страница 104: ... the acquired value of the configured differential pressure sensor This parameter can be enabled when there are at least two smart cooling products in the group are configured with differential pressure sensors Disable Cold aisle temperature and humidity sharing When this parameter is enabled the smart cooling product which is not configured with the cold aisle T H sensor in the group is logically...

Страница 105: ...amwork controlled smart cooling product tap If the teamwork control succeeds the teamwork topology of the smart cooling product in the group is displayed as shown in Figure 4 7 Table 4 7 describes the note for the screen Figure 4 7 Teamwork topology Table 4 7 Notes for the screen No Parameters Note 1 On Off On indicates that the smart cooling product is started and Off indicates that the smart coo...

Страница 106: ...6 Ground color red bright gray Red indicates that a critical alarm is generated as shown in Bright gray indicates that the device is operating without any critical alarms as shown in NOTE If teamwork succeeds the teamwork icon is green If teamwork fails the teamwork icon is red If teamwork mode is disabled the teamwork icon is gray End Follow up Procedure After you have completed the settings perf...

Страница 107: ... 4 4 1 Setting Communications Parameters Modbus RTU Protocol Context To set communications parameters log in as the admin user Procedure Step 1 On the home screen choose Settings Comm Settings Modbus Settings Step 2 Set baud rate and communication address by following instructions in Table 4 8 Table 4 8 Baud rate and communication address settings Parameter Setting Setting Method Baud rate 9600 19...

Страница 108: ...ccording to the actual plan Gateway Set according to the actual plan Step 3 Tap Submit Step 4 On the home screen choose Settings Comm Settings Modbus Settings Step 5 Set parameters for Modbus TCP by following instructions Table 4 10 Modbus TCP parameter settings Parameter Setting Setting Method Link mode Server Client Server and client If you set Link mode to Server the smart cooling product as a ...

Страница 109: ...ient End 4 4 4 3 Setting Communications Parameters SNMP Protocol Context To set communications parameters log in as the admin user This section is suitable only for SNMP Skip this section if you use Modbus Record the values entered in this section They will be used when you access a smart cooling product to an EMS element management system One smart cooling product supports concurrent access of up...

Страница 110: ...in Figure 4 10 Set Write Community as planned tap and then tap Submit Figure 4 10 Setting write community Step 4 Add an SNMPv3 user 1 Tap Add under SNMP V3 2 Enter a planned value for User Name select values for Auth Protocol and Prop Protocol from drop down list boxes and tap as shown in Figure 4 11 MD5 and DES protocols are not secure It is recommended that you set Auth Protocol to SHA and set P...

Страница 111: ... 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 12 Figure 4 12 Setting an SHA password 4 Set AES Password and Confirm Password as planned and tap as shown in Figure 4 13 NetCol5000 C 030 032 065 In row Chilled Wate...

Страница 112: ...ap Add under SNMP Trap 2 Set Trap Address as planned and Trap Port to the actual port number NOTE Trap Port is set to null by default 3 Select the SNMP Version If an SNMPv3 user is configured it is recommended that SNMP Version be set to SNMPv3 4 If SNMP Version is set to SNMPv3 select an SNMPv3 user name and then tap as shown in Figure 4 15 NetCol5000 C 030 032 065 In row Chilled Water Smart Cool...

Страница 113: ...h drive ensure that its data has been scanned by antivirus software and is secure Figure 4 16 Exporting the MIB file successfully 4 4 5 Correlation Relationship of Parameters When setting parameters pay attention to the following relationships Alarm Parameters Supply air high temperature alarm threshold 5 C Return air high temperature alarm threshold Supply air high temperature alarm threshold 5 C...

Страница 114: ...lent mode Medium return supply air temp difference in silent mode Max return supply air temp difference in silent mode Min indoor fan speed Min speed for humidifying Max indoor fan speed Min indoor fan speed Lower limit of max speed for dehumidifying Upper limit of max speed for dehumidifying Max indoor fan speed Indoor fan min return supply air temperature difference Indoor fan max return supply ...

Страница 115: ...in Figure 4 17 is displayed indicating initial startup perform Step 2 for initial startup verification Figure 4 17 Initial startup Figure 4 18 Password screen NOTE The QR code is used for inputing the barcode and verify code when offline boot is used If the screen shown in Figure 4 19 is displayed tap Confirm to start the smart cooling product NetCol5000 C 030 032 065 In row Chilled Water Smart Co...

Страница 116: ...nter the password on the home screen of the ACC to start the smart cooling product For online boot activate the startup password on the mobile phone app to start the smart cooling product After factory settings are restored re verification for startup is required For details see Offline Boot or Online Boot for verification End Offline Boot Step 1 Open the Service Expert app Step 2 Tap StartUp on t...

Страница 117: ...ar code and Verification code which are available on the home screen Tap Generate PWD to generate a startup password NOTE If startup verification fails 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 you need to generate a new startup password NetCol5000 C 0...

Страница 118: ...ert app Step 5 Tap StartUp on the home screen of the app and the screen shown in Figure 4 22 is displayed Figure 4 22 Login screen NOTE The preset user name is admin and the preset password is Changeme If you change the login password on the smart cooling product LCD the password for logging in to the Service Export app will be changed to what you set on the LCD Table 4 11 Parameter description Pa...

Страница 119: ...e success message for the startup is displayed on the screen End 4 6 Startup Wizard Context The startup wizard allows for commissioning of components such as the fan humidifier and chilled water valve It also supports component automatic operation and automatic device checking After you power on the smart cooling product for the first time the screen displays the Wizard Startup You can select to c...

Страница 120: ...on is not allowed For the non initial startup wizard choose Last record and you can view the last startup wizard report Step 2 Tap Yes The checking before startup screen is displayed as shown in Figure 4 25 Figure 4 25 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 i...

Страница 121: ...ioning items that are not required Step 5 Tap Yes The component startup commissioning screen is displayed as shown in Figure 4 27 Figure 4 27 Fan commissioning NOTE The fan commissioning item is mandatory After commissioning for a component succeeds the system automatically performs commissioning for the next component you selected If commissioning fails startup wizard ends Step 6 View the commiss...

Страница 122: ...e details End 4 7 Optional Power off Context In shutdown mode the Shutdown button is green unavailable and the Start button is gray available Procedure Step 1 Tap Shutdown on the home screen A warning is displayed indicating whether to shut down the smart cooling product as shown in Figure 4 30 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 4 Commissioning Iss...

Страница 123: ...irculation water inside the system has a temperature no lower than 3 C or has used antifreeze liquid otherwise the heat exchanging pipes of the smart cooling product may freeze up and crack If the water temperature does not meet the requirement drain all water out of the NetCol5000 C Procedure Step 1 Remove the plugs from the drainage needle valve 1 and 2 of the heat exchanger to drain water natur...

Страница 124: ... of the drainage needle valve 1 Step 4 Stop the nitrogen cylinder and wait for 20 minutes Step 5 Start the nitrogen cylinder and repeat steps 2 4 for three times End 4 8 Checking After Commissioning Table 4 12 lists the commissioning checklist Table 4 12 Commissioning checklist Check Item Actual Result No oil stain exists on the copper pipe thermal insulation foam or bottom plate or it has been cl...

Страница 125: ... to the air flow direction on the frame Passed Failed Check that the chilled water valve is closed Passed Failed NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 4 Commissioning Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 117 ...

Страница 126: ...he 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 connects...

Страница 127: ...g 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 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 5 WebUI Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 119 ...

Страница 128: ... 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 C 030 032 065 In row Chilled Water Smart Cooling Product User Man...

Страница 129: ...e and humidity parameters enable temperature and humidity sensor set the mode of heating and humidifying set fan control type Query Query historical alarms System Settings Upload the network security certificate Set the time zone time and date Set the IP address Set the Modbus network parameters Set the SNMP network parameters Maintenance Upgrade the software of the smart cooling product and its s...

Страница 130: ...ceive thorough training understand all necessary safety precautions and be able to correctly perform all operations Pay attention to the safety symbols on the equipment and all safety instructions in this document The safety precautions given in this document do not cover all safety precautions Huawei will not be liable for any consequence caused by violation of the safety operation regulations an...

Страница 131: ...ion Troubleshooting Period Result 1 Check that the air filter is not blocked by dirt Clean or replace the air filter Monthly Passed Failed 2 Check that the return air filter is not damaged or deformed Replace the air filter Monthly Passed Failed 3 Check that the exhaust valve does not leak Close the exhaust valve Monthly Passed Failed 4 Check that screws fastening the water sensor are securely con...

Страница 132: ...the fan is fixed properly Semi annual Passed Failed 11 Check that the fan screws are secured and not deformed Tighten the screws Replace the screws if necessary Semi annual Passed Failed 12 Check that the wiring terminals are secured Reconnect the cables again Semi annual Passed Failed 13 Check that the wiring terminals are secured If a wiring terminal is loose secure or replace it promptly Semi a...

Страница 133: ... Failed 20 Check that pipes do not leak Close the water inlet stop valve and repair leaks Semi annual Passed Failed 21 Check that the smart cooling product drainpipe is free from leaks and blockages If the drainpipe leaks repair the leaks If the drainpipe is blocked clear the blockage inside the pipe Semi annual Passed Failed 6 2 Alarm References Table 6 2 Alarm list Alar m ID Alarm Name Alarm Sev...

Страница 134: ...lled water flow is insufficient or the supply water temperature is high 7 The chilled water valve is stuck or faulty 1 Adjust the positions of the temperature sensors or temperature and humidity sensors 2 Add air conditioners 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 te...

Страница 135: ...emperature alarm threshold 5 Calibrate or replace the temperature sensor or temperature and humidity sensor 6 Maintain or replace the air filters 7 Maintain or replace the chilled water valve A007 Return air 1 temp humid sensor comm failed MAJO R 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...

Страница 136: ... sensor comm failed Hot aisle 3 temp humid sensor comm failed Hot aisle 4 temp humid sensor comm failed Hot aisle 5 temp humid sensor comm failed A018 Indoor fan 1 exceed runtime alarm WARNI NG The accumulated runtime of the fan exceeds the alarm threshold Maintain or replace the fan and clear the accumulated runtime NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2...

Страница 137: ...ed runtime alarm Indoor fan 9 exceed runtime alarm Indoor fan 10 exceed runtime alarm A022 Humidifier exceed runtime alarm WARNI NG The accumulated runtime of the wet film of the humidifier exceeds the alarm threshold Maintain or replace the wet film of the humidifier and clear the accumulated runtime NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 6 System Ope...

Страница 138: ...ted runtime of the air filter exceeds the alarm threshold Maintain or replace the air filter and clear the accumulated runtime A027 Power loss alarm WARNI NG 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 A040 PSU 1 power supply abnormal MAJO R The input power cables of the PSU are loose or...

Страница 139: ...lue detected by the temperature sensor or temperature and humidity sensor is different from the actual value 6 The chilled water flow is insufficient or the supply water temperature is high 7 The chilled water valve is stuck or faulty 1 Adjust the positions of the temperature sensors or temperature and humidity sensors 2 Add air conditioners or contact Huawei technical support 3 Measure the ambien...

Страница 140: ... are blocked 7 The chilled water valve is stuck or faulty 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 sensor or temperatu...

Страница 141: ...r the supply water temperature is high 7 The chilled water valve is stuck or faulty 1 Adjust the positions of the temperature sensors or temperature and humidity sensors 2 Add air conditioners or contact Huawei technical support 3 Measure the ambient temperature Check whether other causes exist if the alarm persists in a long time after startup 4 Adjust the high temperature alarm threshold 5 Calib...

Страница 142: ...onditioners or contact Huawei technical support 3 Measure the ambient temperature Check whether other causes exist if the alarm persists in a long time after startup 4 Adjust the high temperature alarm threshold 5 Calibrate or replace the temperature sensor or temperature and humidity sensor 6 Check the pressure and temperature of chilled water 7 Maintain or replace the chilled water valve A053 PS...

Страница 143: ... 8 fault Indoor fan 9 fault Indoor fan 10 fault A079 Drain abnormal alarm MAJO R 1 The drainage filter is blocked 2 The drainpipe is blocked 3 The condensate pump is faulty 4 The low liquid level sensor is faulty 1 Clear the foreign matter in the water pan and filter 2 Check that the drainpipe is not blocked or bent 3 Check the cables to the condensate pump clear the foreign matter in the condensa...

Страница 144: ...temperature alarm threshold is inappropriate 5 The value detected by the temperature sensor or temperature and humidity sensor is different from the actual value 6 The air filters are blocked 7 The chilled water valve is stuck or faulty 1 Adjust the positions of the temperature sensors or temperature and humidity sensors 2 Contact Huawei technical support 3 Measure the ambient temperature Check wh...

Страница 145: ...are blocked 7 The chilled water valve is stuck or faulty 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 sensor or temperatur...

Страница 146: ...alarm threshold 5 Calibrate or replace the temperature and humidity sensors A094 Low humidity alarm WARNI NG 1 The ambient humidity is below the lower threshold 2 The temperature and humidity sensor is not installed in a proper position 3 The low humidity alarm threshold is inappropriate 4 The value detected by the temperature and humidity sensor is different from the actual value 1 Measure the am...

Страница 147: ...itions of the supply and return water pipes 4 Exchange the positions of the supply and return water sensors 5 Calibrate or replace the supply water temperature sensor A098 Supply water low temperature alarm WARNI NG 1 The temperature of chilled water is lower than the supply water low temperature alarm threshold 2 The supply water low temperature alarm threshold is inappropriate 3 The supply water...

Страница 148: ...tial pressure sensor cable is loose or damaged 2 The pressure tube of the differential pressure sensor is reversely 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 A220 Wizard startup is in progress WARNI NG W...

Страница 149: ...hat describes the mapping between the software and the teamwork versions in the upgrade guide 3 Enable the sensor that corresponds to the temperature and humidity control type for the master unit on this air conditioner Teamwork networking abnormal alarm 1 Teamwork settings are incorrect for slave units 2 The number of air conditioner units is incorrectly set on the master unit 3 A slave unit is o...

Страница 150: ...r valve is faulty 1 Check the control cable connection to the chilled water valve 2 Maintain or replace the chilled water valve A27C Cold aisle 1 temp humid sensor fault MAJO R 1 The cables to the temperature and humidity sensor are loose or damaged 2 The temperature and humidity sensor is faulty 1 Check the cables to the temperature and humidity sensor 2 Maintain or replace the temperature and hu...

Страница 151: ...k 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 A280 Power frequency abnormal MAJO R The power supply frequency exceeds the upper threshold Check the power supply frequency and ensure th...

Страница 152: ...jumper 3 Set the toggle switch correctly A30C Certificate is about to expire WARNI NG 1 The corresponding certificate is about to expire 2 The system time is incorrectly set 1 Apply for a new certificate promptly and update the existing one 2 Calibrate the system time A30D Certificate is not in effect WARNI NG 1 The installed corresponding certificate does not take effect 2 The connection of the c...

Страница 153: ... faulty or abnormal including the fuse of the power supply module is blown 2 Cables to the fan are faulty 1 Ensure that the power supply module of the fan is inserted to the subrack If the fault persists replace the power supply module or replace the fuse 2 Check whether the cables to the fan short circuit or are disconnected The fan generates loud noises 1 The air filter is blocked 2 Dirt exists ...

Страница 154: ...sensor and no refrigerant output are generated 1 Replace the chilled water valve 2 Check whether the ambient temperature of the humidity and temperature sensor is too high Ensure that the humidity and temperature sensor is located at a proper position If the position is proper but the fault persists replace the humidity and temperature sensor 3 Adjust the temperature and humidity set points 4 Chec...

Страница 155: ... off the power switch Before connecting a power cable check that the label on the power cable is correct During the installation of AC power supply facilities follow the local safety regulations When operating the high voltage and AC powered facilities use dedicated tools Ensure that a spare component is the same model as the faulty one is prepared before replacing the faulty component Do not inst...

Страница 156: ...on Maintain from the rear door Procedure Step 1 Unlock and open the rear door Step 2 Rotate the air filter clip and remove the filter Figure 6 1 Removing an air filter NetCol5000 C065 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 6 System Operation and Maintenance Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 148 ...

Страница 157: ...creen Then clear the air filter runtime End 6 4 3 Replacing the Fan Prerequisites The fan needs to be replaced A spare fan of the same model is available and functional Context Recommended tools protective gloves Phillips screwdriver diagonal pliers cable tie Preparation Maintain from the front door Procedure Step 1 Choose Maint Fan Maintenance on the home screen to locate the SN of the faulty fan...

Страница 158: ...der of the removal Step 4 Connect cables to the new fan and close the front door Step 5 Choose Maint Fan Maintenance on the home screen to locate the SN of the faulty fan and tap Power On Step 6 Tap Maint Performance Maint on the home screen and clear the fan runtime End 6 4 4 Replacing the Wet Film Humidifier NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 6 S...

Страница 159: ...s System Control and set Humid to Disable Step 2 Open the rear door remove the air filter and switch off general circuit breakers Step 3 Use a Phillips screwdriver to remove the screws and sheet metal fasteners Figure 6 5 Replacing a wet film humidifier NetCol5000 C065 Figure 6 6 Replacing a wet film humidifier NetCol5000 C030 C032 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Produc...

Страница 160: ... End 6 4 5 Replacing the Differential Pressure Switch Prerequisites The differential pressure switch needs to be replaced A spare differential pressure switch of the same model is available and functional Context Tool Phillips screwdriver Procedure Step 1 Tap Shutdown on the LCD home screen NOTICE Exercise caution because the device is still energized after it is shut down on the LCD Step 2 Open t...

Страница 161: ...oose Settings Alarm Settings Main Board Check that Air filter blocked is Allow Step 7 Choose Maint Diagnostic Mode Enter and set Indoor fan to 100 Step 8 Block 100 air volume at the return air side using a plastic foam board or baffle plate and check whether the Air filter blocked alarm is generated If so the differential pressure switch works properly Then exit the diagnostic mode End NetCol5000 ...

Страница 162: ...n 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 Remove the cable terminals from the T H sensor Step 4 Pull out the T H sensor upwards Figure 6 9 Removing a T H sensor NetCol5000 C065 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 6 System Operation and M...

Страница 163: ...art on the LCD home screen End 6 4 7 Replacing the Supply Air Temperature Sensor Prerequisites The supply air temperature sensor needs to be replaced A spare temperature sensor of the same model is available and functional Context Temperature sensors can be replaced with power on Recommended tools diagonal pliers cable tie Phillips screwdriver Preparation Maintain from the front door Procedure Ste...

Страница 164: ... sensor NetCol5000 C065 Figure 6 12 Position of the supply air temperature sensor NetCol5000 C030 C032 Step 4 Remove the waterproof connector from the temperature sensor cable and remove the supply air temperature sensor probe Step 5 Secure the new supply air temperature sensor cable to the original position using cable ties and fix the sensor probe using the R shaped pipe clip NetCol5000 C 030 03...

Страница 165: ...ep 1 Tap Shutdown on the LCD home screen 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 thermal insulation foam on the pipe where the sensor is secured Step 4 Use the needle nose pliers to clip out the spring tongue fastening the water inlet or outlet temperature sensor and remove...

Страница 166: ...easurement accuracy Step 7 Reconnect the waterproof connector to the sensor cable and wrap thermal insulation foam Step 8 Install the air filter Close and lock the rear door End 6 4 9 Replacing a rectifier Prerequisites The rectifier needs to be replaced A spare and functional rectifier is available Context Preparation Maintain from the rear door with power off Procedure Step 1 Tap Shutdown on the...

Страница 167: ... Replacing a rectifier NetCol5000 C065 Figure 6 16 Replacing a rectifier NetCol5000 C030 C032 Step 5 Remove the old rectifier insert the new rectifier to the corresponding slot and flip down the clip to lock the rectifier Step 6 Install the air filter Close and lock the rear door End NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 6 System Operation and Mainten...

Страница 168: ...e 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 Remove the cover of the electric control box For details see the Step 2 Step 4 Remove the six screws from both sides of the main control board Figure 6 17 Replacing the main control board NetCol5000 C065 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Man...

Страница 169: ... valve actuator needs to be replaced A spare water valve actuator of the same model is available and functional Context Recommended tools and materials diagonal pliers cable tie small Phillips screwdriver water valve actuator to be replaced Preparation Maintain from the rear door with power off Procedure Step 1 Tap Shutdown on the LCD home screen NetCol5000 C 030 032 065 In row Chilled Water Smart...

Страница 170: ...t a Phillips screwdriver into the hole right in front of the actuator and turn the screwdriver in the specified direction to unscrew the actuator as shown by 3 in Figure 6 19 Step 4 Install the new water valve actuator by performing Step 3 3 to Step 2 connect the actuator cable and then secure the cable using cable ties Step 5 Open the rear door installation the air filter and turn on the switches...

Страница 171: ...4 Unplug the cable terminals YV1 1 and YV1 2 Step 5 Use the Phillips screwdriver to remove the two fastening screws of the sheet metal Take out the inlet solenoid valve Figure 6 20 Remove screws of the sheet metal Step 6 Remove the intake tube of the inlet solenoid valve Step 7 Install a new inlet solenoid valve by performing Step 6 to Step 1 End 6 4 13 Replacing the LCD Prerequisites The LCD need...

Страница 172: ...uently or quickly disconnect or connect the DP cable of the MDU Do not forcibly pull the DP cable You are advised to power off the main control board or main control module before replacing the MDU If the main control board is not powered off you are advised to back up the configuration file of the product by referring to a or b 1 Open the front door with caution to prevent damaging the controller...

Страница 173: ... the screen does not turn on Wait for another 5s to 20s until the screen is restored to the state before the replacement If the main control board is powered off power on the main control board after the DP cable is connected to the MDU After the main control board is powered on the startup logo and self check progress bar are displayed on the LCD The main screen is displayed The whole restoration...

Страница 174: ...ooling product as an administrator user Choose Maintenance Configuration and choose the backup data After optional tapping Configuration File Decryption Password tap Upload to import the backup data from the computer End NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 6 System Operation and Maintenance Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 16...

Страница 175: ...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 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 7 FAQ Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 167 ...

Страница 176: ...es 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 Logs ...

Страница 177: ...us screen is displayed Figure 7 3 shows the screen displayed after choosing Running Status Summary Figure 7 3 General status When querying component status through Device Details using the T H sensor as an example choose Running Device Details T H Sensor on the home screen to query the status of the T H Sensor as shown in Figure 7 4 Figure 7 4 T H Sensor End 7 1 4 Querying System Parameters Proced...

Страница 178: ... Querying Version Details Procedure Step 1 On the home screen select About Step 2 On the About screen tap Version Info or E label Figure 7 7 and Figure 7 8 are displayed Figure 7 7 Version Info NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 7 FAQ Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 170 ...

Страница 179: ...een or T H Board on the About E label screen shows the information of these T H boards When some T H boards of the cold or hot aisles are disabled T H Board on the About Version Info screen or T H Board on the About E label screen does not 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 info...

Страница 180: ...ilence the Buzzer Context Silencing the buzzer After the buzzer is silenced it does not buzz when a new alarm is generated Procedure Step 1 Tap the icon in the status bar and tap Off to silence the buzzer After the buzzer is silenced the icon changes to End NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 7 FAQ Issue 03 2020 08 30 Copyright Huawei Technologies C...

Страница 181: ...n the alarm bar one by one You can query an alarm on the alarm list in related user manual for smart cooling product based on the alarm ID to view causes of the alarm and methods used to clear the alarm Step 2 Click each alarm to open the Details page which contains Name Generated Severity Location Cause ID Code Possible Causes and Procedure for the alarm Figure 7 11 Details NetCol5000 C 030 032 0...

Страница 182: ...ults following instructions in the diagnosis report Figure 7 12 Diagnosis report End Follow up Procedure To query historical alarms choose Common Function Query Hist Alarms or Alarms Query Hist Alarms on the home screen NOTE Historical alarms are displayed in chronological order The latest cleared alarm is displayed in the uppermost row 7 1 9 Deleting Historical Alarms Context To delete historical...

Страница 183: ...ed in logs End 7 1 10 Clearing the Runtime Context NOTICE Performance value clearance can be performed only after component maintenance Otherwise the component may run overtime and degrade performance Procedure Step 1 On the home screen choose Maint Performance Maint Figure 7 14 is displayed NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 7 FAQ Issue 03 2020 08...

Страница 184: ...nsor has an error of 2 C and the calibration value should be set to 2 C Procedure Step 1 On the home screen choose Maint Sensor Calibration Step 2 Fill the calibration value based on the measured error End 7 1 12 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 scr...

Страница 185: ...in Figure 7 16 NOTE It is recommended that the password should contain at least two types of characters Figure 7 16 Modifying the password End NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 7 FAQ Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 177 ...

Страница 186: ...old 5 C Hot aisle high temperature alarm threshold Cold aisle high temperature alarm threshold 5 C Return air high temperature alarm threshold Supply air low temperature alarm threshold 5 C Return air low temperature alarm threshold Context To set an alarm threshold follow the instructions in this section The method for setting each alarm is the same This section describes how to set Threshold of ...

Страница 187: ...c mode screen you can turn on or off components and control their output ratio If you need to manually turn on or off system components in diagnostic mode ensure that the smart cooling product is started before operation Take commissioning the indoor fan as an example Procedure Step 1 Choose Maint Diagnostic Mode Enter NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual...

Страница 188: ...e indoor fans and inlet water solenoid valve will start automatically When the input value of the indoor fan is less than the minimum speed the indoor fan will run at the minimum speed Step 3 Check that the indoor fans run properly and no alarm generates Step 4 Choose Maint Diagnostic Mode Exit or tap to exit the diagnostic mode End 7 1 15 Restoring Factory Settings Context If you have forgotten t...

Страница 189: ... is terminated Figure 7 19 Restoring factory settings Figure 7 20 Factory settings restored Step 4 Disconnect the main power supply to the device and power it on again Step 5 After the restart completes the LCD displays the Quick Settings screen for setting parameters NOTE After the system is restored to factory settings the user password is also reset to the preset password and must be promptly m...

Страница 190: ...ge the parameter values back to the recorded values after restoring defaults For details about how to use export configurations see 7 1 17 Exporting Data NOTE After default settings are restored all communication addresses are changed to 1 and the communication between all devices and the EMS is disconnected The communication addresses must be reset to recover the communication 7 1 17 Exporting Da...

Страница 191: ...tep 1 Tap Maint USB Operations Export to enter the Select Path screen as shown in Figure 7 21 Figure 7 21 Select path Step 2 Tap the file where the user saves current data in the Select Path dialog box and tap Next Then tap Yes in the displayed dialog box Step 3 After the data is successfully exported Figure 7 22 is displayed Click Finish Figure 7 22 Screen showing that data export has succeeded S...

Страница 192: ...ct 1 to enter the Select Path screen as shown in Figure 7 23 Figure 7 23 Select path Step 2 Tap the file where the user saves current data in the Select Path dialog box and tap Next Then tap Confirm in the displayed dialog box Step 3 After the data is successfully exported Figure 7 24 is displayed Click Finish Figure 7 24 Screen showing that data export has succeeded Step 4 Click Maint USB Operati...

Страница 193: ...ure 7 26 Confirming the file Step 7 After you tap Confirm and Next Figure 7 27 and Figure 7 28 are displayed Figure 7 27 Data process 1 Figure 7 28 Data process 2 NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 7 FAQ Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 185 ...

Страница 194: ...he USB port located on the main control module 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 P...

Страница 195: ... 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 software upgrade and data import and export Operator ...

Страница 196: ...ick Submit Figure 7 32 Recertification Step 2 Add a WebUI user 1 Choose Maintenance User Management The user management page is displayed 2 Click Add 3 Specify User Name Password Confirm Password Password Validity Period Advance Warning Before Password Expires days and Timeout Interval select appropriate values from the Authority and Login Source drop down list boxes and click Confirm NetCol5000 C...

Страница 197: ...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 Please select a security certificate 4 Select the network security certificate to be imported from the PC and click Upload 5 Click Browse on the right of Select the network security certificate...

Страница 198: ...rt 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 will restart after you import the configuration file 1 Log in to the smart cooling product 2 WebUI as an administrator 2 Choose Maintenance Configuration F...

Страница 199: ...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 information for the smart cooling product as planned Step 3 Click Submit Step 4 In the displayed The WebUI will exit or not respond after the new IP address is set You need to log ...

Страница 200: ... Information and view the version information software version and BSP version End NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 7 FAQ Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 192 ...

Страница 201: ... details about the mixing schemes consult glycol experts Check the quality of the glycol solution on a quarterly basis and evaluate the anticorrosion effects For details consult local water treatment experts Table A 1 Glycol concentration requirements at lowest temperatures Lowest Recorded Local Temperature Glycol Volume Concentration Freezing Point of Glycol Mixed Solution to Be Added 0 C 13 6 5 ...

Страница 202: ... Figure B 1 Base Dimensions of NetCol5000 C065 unit mm NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 B Base Dimensions Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 194 ...

Страница 203: ... Base Dimensions of NetCol5000 C030 C032 unit mm NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 B Base Dimensions Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 195 ...

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Страница 206: ...NTC Negative Temperature Coefficient P PID Proportional Integral and Derivative PSU Power Supply Unit R RCCB Residual Current Circuit Breaker S SC Simple Configuration NetCol5000 C 030 032 065 In row Chilled Water Smart Cooling Product User Manual 2019 D Acronyms and Abbreviations Issue 03 2020 08 30 Copyright Huawei Technologies Co Ltd 199 ...

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