Part Number: 31010NRB NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner V200R001C01 User Manual Issue Date 2013-12-10 HUAWEI TECHNOLOGIES CO., LTD.
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Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
About This Document About This Document Purpose This document describes the NetCol5000-C chilled water-cooled in-row precision air conditioner (NetCol5000-C for short), in terms of its product description, installation, commissioning, controller, operation and maintenance (O&M). Intended Audience This document is intended for: ...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual About This Document Symbol Description NOTICE is used to address practices not related to personal injury. Calls attention to important information, best practices and tips. NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual Contents 6.5.14 Replacing a Differential Pressure Sensor ......................129 6.5.15 Replacing a Controller Panel ..........................130 A Acronyms and Abbreviations ....................132 B Controller Operation Rights Configuration Table ............133 C Electric Diagram ........................138 D Controller Menu Structure .....................
Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision. If you lost this manual, please contact Huawei technical support to get the electronic document or download it from http://support.huawei.com. ...
Huawei has developed the chilled water-cooled in-row precision air conditioner for new-generation data centers. The NetCol5000-C can be deployed with standard cabinets in use currently. The NetCol5000-C dissipates the heat generated by high-density equipment in a Issue 02 (2013-12-10) Huawei Proprietary and Confidential...
High Compatibility Structure: NetCol5000-C cabinets can be combined with 2 m and 2.2 m high and 1 m and 1.2 m deep cabinets. Ports: The ports of NetCol5000-C match the ports of other devices in the data center.
2.4.1 Cooling Components Appearance NetCol5000-C can be installed on a concrete floor or an ESD floor, is combined with IT cabinets. It supports underfloor or overhead cabling and piping, and is maintained from the front and rear doors without movement.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 2 Product Description Physical Ports Figure 2-4 Bottom and top views of the NetCol5000-C 1. Bottom outlet for the power and PE 2. Bottom outlet for the signal cable and forcible cables drainpipe 3.
The drainage system uses dual floats and double water pumps, achieving higher reliability. 2.4.2 Controller The controller of the NetCol5000-C consists of a liquid crystal display (LCD), main control board, and temperature and humidity collection board. The 7-inch true color-sensitive LCD offers a user-friendly interface for you to perform query, settings, monitoring, and maintenance.
When only one NetCol5000-C is running, the controller provides logic control of components in the NetCol5000-C to meet temperature and humidity requirements. The LCD on the controller allows you to set parameters for the NetCol5000-C and query its status. ...
2 Product Description 2.5 Typical Application Scenarios The NetCol5000-C is a high-heat-flux cooling solution that applies to high-density data centers or overheated areas in common data centers. It adapts to class A environments specified in the Code for Design of Electronic Information System GB50174-2008 and Telecommunications Infrastructure Standard for Data Centers—ANSI/TIA-942.
7.0 ~ 9.0 Maximum water 20° C temperature 1:When the ambient temperature is below 0 ° C, the NetCol5000-C need to increase certain concentration of ethylene glycol solution, specifically refer to Glycol Correction Coefficient Curves Glycol Correction Coefficient Curves.
10 ° C and flow is 5.04 m 2.8 Performance Curves Cooling Capacity and Water Supply With rated power and maximum air volume, the NetCol5000-C has different performance specifications for cooling capacity, sensitive heat, and water supply based on chilled water temperatures and temperature rises.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 2 Product Description Item Performance Specifications rise Sensible cooling 35.05 31.11 28.41 24.55 19.14 capacity (kW) Water supply 4.32 3.82 3.46 3.02 2.34 Table 2-6 Performance specifications in a 10° C chilled water system...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 2 Product Description Item Performance Specifications 5° C Cooling capacity 30.00 26.04 23.53 19.44 14.01 temperature (kW) rise Sensible cooling 30.00 26.04 23.53 19.44 14.01 capacity (kW) Water supply 5.18 4.46 4.11...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 2 Product Description Item Performance Specifications 7° C Cooling capacity 24.92 20.85 18.18 14.07 8.55 temperature (kW) rise Sensible cooling 24.92 20.85 18.18 14.07 8.55 capacity (kW) Water supply 3.10 2.56 2.23...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 2 Product Description Curve between the Cooling Capacity and Altitude Figure 2-11 Curve between the cooling capacity and altitude The cooling capacity is obtained by multiplying the altitude by the cooling capacity.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 2 Product Description Glycol Correction Coefficient Curves Figure 2-13 Cooling capacity and glycol solution density The cooling capacity is obtained by multiplying the glycol solution density by the rated cooling capacity.
This chapter describes the installation guide for the NetCol5000-C, including precautions, transportation and installation, and cable connections. 3.1 Installation Precautions Precautions To ensure the optimal operating condition and longest service life, install the NetCol5000-C correctly as required. Check whether the environment meets the requirements before installation, and whether reconstruction is needed for routing pipes and cables and constructing ventilation pipes.
3.2 Transportation and Entry 3.2.1 Transportation No excessive tilt or jolt is allowed during the transportation of the NetCol5000-C. Therefore, choose the rail, sea, or good road transport. When moving the NetCol5000-C, keep the gradient within 75-105degree, as shown in Figure 3-2.
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Figure 3-2 Gradient of the NetCol5000-C Choose mechanical transportation tools such as the pallet truck to unload and transport the NetCol5000-C. Insert the tines of the pallet truck in the middle. Move the NetCol5000-C with caution to prevent the NetCol5000-C from tilting.
User Manual 3 Installation Guide 3.2.2 Unpacking To avoid damage during the transportation, remove the wooden case and pallets after the NetCol5000-C is moved most close to the installation position. Figure 3-4 shows the process of unpacking. Remove the straps.
(such as water tray, water pump, float, etc.) functions. Figure 3-5 shows the process for installing NetCol5000-C. Issue 02 (2013-12-10) Huawei Proprietary and Confidential...
User Manual 3 Installation Guide Figure 3-5 Installing flowchart of NetCol5000-C 3.4 Support Specifications If water pipes need to be routed below the NetCol5000-C, install a support under the NetCol5000-C for ease of pipe routing Figure 3-6 shows the support specifications.
You can prepare support by yourself. 3.5 Removing the Cabinet Doors Prerequisites NetCol5000-C has been transported to the destination. Do not move the front door too far away from the cabinet. Otherwise, the cables connecting the control panel and then NetCol5000–C will be damaged.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide Figure 3-7 Removing the cabinet doors ----End 3.6 Removing the Filters Procedure Step 1 Rotate the six baffle plates at the top, middle, and bottom to remove them from the filters, as...
3.7 Removing the Side Panel Prerequisites Figure 3-9 shows how to remove the side panel of the NetCol5000-C. Procedure Step 1 Unlock the two locks on the side panel. Step 2 Pull the side panel outwards while holding down the two locks.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide Figure 3-9 Removing the side panel ----End 3.8 Checking the Pressure Procedure Step 1 Remove the bonnets from the needle valve anticlockwise. Step 2 Use the top of the bonnet to poke the needle valve plug.
If air is exhausted from the needle valve indicating system is normal, and then fasten the bonnets. If no air is exhausted from the needle valve, contact Huawei technical support. ----End Follow-up Procedure Check whether insulation cotton is securely pasted to internal pipes. The chilled water valve is wrapped with insulation cotton without metal part exposed.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide Figure 3-11 Removing the screws from the securing plate Step 2 Use the wrench to raise the leveling feet until the casters touch the ground, as shown in Figure 3-12.
Air Conditioner User Manual 3 Installation Guide Step 3 Place a slide plate beside the securing plate. Step 4 Push the NetCol5000-C to the installation position along the slide plate as shown in Figure 3-13. Take care to prevent the NetCol5000–C from falling over.
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Make sure the parallel mounting holes in the NetCol5000–C are aligned with those in the server cabinets. Step 4 Removing the four M10 bolts on the upper support. Step 5 Align the tapped hole, and secure the NetCol5000-C onto the support by using bolts that removed on Step...
Panel. If the side panel is not removed, skip this step. Step 2 Remove the lower screws from the two connecting plates. Step 3 Secure the lower screws to a server cabinet to connect the NetCol5000-C with the server cabinet in parallel. ----End 3.12 Connecting Pipelines...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide 3.12.2 Connecting the Condensate Drainpipes Securing condensate drainpipes Prerequisites Do not over bend the drainpipe when securing the drainpipe. Use the heat insulation cotton to wrap the pipes after the connection.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide Route the condensate drainpipes from the bottom Secure the drainpipe at the position shown in Figure 3-17 and route the drainpipe out the cabinet from the bottom condensate water pipe outlet.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide 3.12.3 Installing the Water Pipe Adaptor Context Installing the water pipe adaptor for pipes routed from the bottom is similar to installing it from the top, give the top installation for an example.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide Installing the Water Pipe Adaptor When fastening the adaptor, fix the water pipe using an adjustable wrench to prevent pipe deformation. Step 1 Apply seal adhesive to the joint of external screw threads and install the water pipe adaptor...
Procedure Step 1 Close the air exhaust valve of the NetCol5000-C. Step 2 Connect any needle valve of a NetCol5000-C to the pressure gauge and blow 0.8 MPa nitrogen to other needle valves of the NetCol5000-C. Step 3 After 24 hours, check if the pressure decreased is less than 0.01 MPa, if yes, the pipes do not leak.
Step 1 Rotate the chilled water valve to the maximum openness. Press down the button on the left when adjusting the handle. Step 2 Open the general water supply valve of the NetCol5000-C. Step 3 Open the air exhaust valve to exhaust the air and chilled water, as shown in Figure 3-15.
For details about the maximum current, see the NetCol5000-C nameplate. The voltage and frequency of the primary power supply is rated voltage ± 10% and rated frequency ±...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide Figure 3-23 Electrical ports 1. Port for the humidity and 2. Controller port 3. J73 group control temperature sensor communications port 4. Voltage jumper port 5. Ground PE port 6.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide Figure 3-24 Connecting power cables (routing from the top) Figure 3-25 Connecting power cables (routing from the bottom) Connect the standby power cable to the X200 port by referring to...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide 3.13.4 Connecting the Voltage Jumper Before connecting the voltage jumper, verify that the voltage jumper matches the mains voltage. Ensure that the voltage labeled on the voltage jumper is the same as of the local power supply.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide Remove the signal cable from the signal cable output port at the cabinet top and fix the humidity and temperature sensor to the temperature and humidity measurement point, as...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide Table 3-3 DIP switches of the humidity and temperature sensor Item Name NO.1 NO.2 NO.3 NO.4 NO.5 NO.6 Cold Humidity aisle temperature sensor 1 at the cold aisle...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide When only teamwork communication is required, cascade teamwork communication ports 1s and 2s of precision air conditioners to be networked. Reserve com 1 of the first unit, and connect the com 2 of the first unit to com 1 of the second unit. Connect like this.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide Figure 3-31 Ports on the main control board 1. Teamwork communication & Monitoring communication 2. FE port J127 port J73 (reserved) 3. DIP switch Table 3-4 The operations of the DIP switch...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide 3.13.7 Connecting Ground Cables Do not connect the ground cable to equipotential connection busbar as shown in 2. Connect grounded cables to the position labeled 1 in the cabinet or route the PE cable from...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 3 Installation Guide Place the water leak sensor by reversing it on the ground, as Figure 3-33 shows. Figure 3-33 Routing cables of water leak sensor 3.14 Checking After Installation Check the drainpipes are securely installed, clear, free of leakage and not over bent.
Ensure that the active and standby power cables are correctly and securely connected. 4.2 Setting Parameter 4.2.1 Powering On the NetCol5000-C Before commissioning the NetCol5000-C, learn about the functions and positions of circuit breakers. Figure 4-1 shows the positions of the circuit breakers.
Power on the NetCol5000-C and close all circuit breakers in sequence. When the NetCol5000-C is powered on for the first time, the screen will display an information to enquiry you if the voltage is consistent with the mains, if yes to continue, else to contact Huawei technical support.
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2. The speed of generating condensate water is faster than the drainage speed of the water pump. The high float floats, the full water alarm is generated, and the drain abnormal alarm may be generated. In this case, the NetCol5000-C shuts down the fan and chilled water valve to enter standby mode.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 4 Power-On Commissioning Figure 4-2 Acceptable humidity in the equipment room 4.3 Follow-up Procedure Install the electrical control box cover. Install the air filters. For details, see 3.6 Removing the Filters.
Users can change the password which login currently. The Guest user can only start and shut down the NetCol5000-C, and query parameters on screens. If you need to configure parameters and perform maintenance, please log in as other types of users.
After the NetCol5000-C is powered on, the startup screen is displayed, as shown in Figure 5-1. When the NetCol5000-C is powered on for the first time, the LCD displays the Basic Settings screen after the startup screen after the startup screen. Figure 5-1 Startup screen 5.4 Indicator...
Warning alarms or no alarms: The buzzer is silent. 5.5 Home screen After the progress bar in the startup screen is full, the NetCol5000-C enters the home screen, as shown in Figure 5-3. You can tap the menu items, buttons, or icons on the screen to enter related screens or perform operations.
If a power failure occurs and the NetCol5000-C is powered on again, the NetCol5000-C automatically restores to the original state (start or shutdown) before the power failure.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-5 Shutdown the NetCol5000-C 5.7 Temperature and Humidity Curves The T/H Curve screen displays temperature and humidity curves showing the recent temperature and humidity changes. You can choose to display the curves in recent one hour, one day, seven days, or 30 days.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide The temperature curve (upper) and the humidity curve (lower) are displayed on the same screen. The Temp set point is the midpoint temperature on the upper ordinate while the humidity set point is the midpoint humidity on the lower ordinate.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-7 Common Functions 5.8.1 Status On the Status screen, you can query operating status of the air conditioning system, including CW (chilled water) valve, indoor fan, cond (condensate) pump, remote on/off, and EMS (element management system).
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Tap Common Functions > Operating Info on the home screen to enter the Operating Info screen, as shown in Figure 5-9. Figure 5-9 Operating Info 5.8.3 Query Historical Alarms The Query Hist.
On the device Details screen, you can query names and operating status of components of the NetCol5000-C, including T/H sensor, CW valve, indoor fan, drain device. Tap Running > Device Details on the home screen to enter the device details screen, as...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-12 Device details screen You can tap buttons on the device details screen to query operating status of related devices. Take cond pump as an example. To query running status of drain device, tap Running >...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-14 Alarms 5.10.1 Query Active Alarms The query active alarms screen displays active alarms. Tap Alarms > Query Act. Alarms on the home screen to enter the active alarms screen, as...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide 5.10.2 Query Historical Alarms The Query Hist. Alarms screen displays historical alarms. A maximum of 500 historical alarms can be displayed. Tap Alarms > Query Hist. Alarms to enter the Query Hist. Alarms screen, as shown in Figure 5-16.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide 5.11 Settings Before configuring the system, you need to enter the user name and password on the screen for logging in to the Settings screen, as shown in Figure 5-18.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide 5.11.1 User Settings Settings Screen On the user settings screen, you can configure the language, time, and password for the system, and set the contrast, saturation, and brightness for the LCD.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-23 Password setting screen Enter the old password, and tap to enter the new password setting screen, follow the prompts to enter a new password in order.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-24 DIP switch position 1. J73 teamwork bus port and host monitoring 2. J127 FE port (reserved) port 3. DIP switch S1 of the main control board 4.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Communications settings define parameters for communication with the northbound devices (the EMS for example). You can select only Modbus for Protocol. You can select from 9600, and 19200 for Baud rate. The value of Comm address ranges from 1 to 255.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-26 Alarm settings screen Be careful when configuring alarms. Only professional maintenance personnel can change alarm settings. You can tap buttons for related devices on the alarm settings screen to configure alarm parameters.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide The supply-air HT (high temperature) alarm threshold plus 5° C cannot be greater than the return-air HT alarm threshold. The supply-air HT alarm threshold plus 5° C cannot be greater than the hot aisle HT alarm threshold.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-28 System settings screen If you need to change system settings, log in as users that have related permission. Except for temperature and humidity items, only professional maintenance personnel are allowed to configure related items.
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Log in as the Engineer user or other types of users that have higher permission. Monitor mode defines the mode used by the EMS to monitor the NetCol5000-C. The preset mode is Single monitor. Single Start delay defines the delay required by a NetCol5000-C to respond to the operating status delivered by the controller after the NetCol5000-C is started.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-31 T/H Sensor The Guest user can only query parameters on the temperature control screen. If you need to change parameter values, log in as the Operator user or other types of users that have higher permission.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-32 CW valve screen Tap items on the CW valve screen to configure parameters and query the valve range of parameters. If you need to change CW valve settings, log in as the Admin user or other types of users that have higher permission.
Figure 5-37. The Guest user can perform basic settings only after the NetCol5000-C is powered on for the first time. Otherwise, if you need to perform basic settings, please log in as the Operator user or other types of users that have higher permission.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Tap Settings > Basic Settings on the home screen to enter the Language Settings screen. You can select from After the language is configured, tap Next to enter the Date & Time Settings screen.
If you need to restore preset settings, log in as the Admin user. You can restore preset settings only when the NetCol5000-C is shut down. Tap Restore Defaults and then tap Yes. Parameters, except the current setting parameters, are restored to the factory values.
In this manner, the teamwork function and rotation of the master and slave NetCol5000-Cs can be implemented. A maximum of 32 NetCol5000-C can be interconnected using the CAN bus bar. The device with the teamwork address as 1 is the master one, which collects, processes, and delivers data.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Parameters Note Active/Standby Active indicates the active device and Standby indicates the standby device (shut down), which is started when activated or used in cascaded mode. Frame:...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-41 Teamwork setting page 2 Table 5-3 Teamwork settings Parameter Description Configuration Principle Teamwork unit A maximum of four groups (1 to 4) Group the temperature control can be set.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Parameter Description Configuration Principle rotation standby precision air conditioners to when the heat distribution is work alternatively, maximizing even. their service life. Rotation period Rotation days (1-30)
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-43 Teamwork information page 2 Information in Master/Slave and Active/Standby is only about this single device. Other information is about the group. 5.13 Maintenance The Maint screen consists of Diagnostic Mode, Log Maint, Performance Maint, Sensor Adjust, Screen Calib, and USB Operations.
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5-45. If you need to manually power on or off system components in diagnostic mode, log in as the Operator user or users that have higher permission. Ensure that the NetCol5000-C is powered on before operation. You cannot enter the diagnostic mode if the NetCol5000-C is shut down.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-47 Entering the diagnostic mode Figure 5-48 Exiting the diagnostic mode 5.13.2 Log Maintenance On the log maintenance screen, you can query or delete logs. Logs record operations on the system.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide If you need to query logs, log in as the Operator user or other types of users that have higher permission. The log query screen displays 200 logs that are generated recently.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-50 Log deletion screen 5.13.3 Performance Maintenance On the performance maintenance screen, you can query the accumulated running time of main components and clear accumulated running time of certain values.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide respectively, calculate as follows: Required return-air temperature = T + 5 ° C; Required return-air humidity = H + 3%. Tap Maint > Sensor Adjust on the home screen to enter the sensor adjust screen, as shown in Figure 5-52.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-53 Screen calibration page Figure 5-54 Screen displayed when the calibration is complete Calibrating the Screen by DIP Switch Prerequisite: The display board works normally; the deviation between the touching point and the responding point is unfavorably big;...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide In 15 seconds, a dialog box indicating Are you sure you want to calibrate the screen? If you do not process Yes or No, calibration will start automatically 10 seconds later. is...
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After the system is restarted, do not power off the system within 5 minutes. Otherwise, the system fails to be upgraded. Do not use the element management system (EMS) or remote to start the NetCol5000-C during upgrade. After the USB flash drive is successfully connected to the display panel, is displayed in the status bar.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-58 Screen for upgrading software If you need to use the version update, please log in by the Admin user permission. Tap Search, the Select File screen is displayed. The system scans the USB flash drive...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-60 Copying data After the file is successfully uploaded, the Version Upgrade window is displayed, as shown in Figure 5-61. Select the software to be upgrade and tap Update.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-62 Information displayed during the upgrading process Figure 5-63 is displayed if the software is successfully upgraded. Figure 5-64 displayed if the software fails to be upgraded.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-64 Screen displayed when the software fails to be upgraded After the software is activated, the system automatically restarts. The control board and display panel also restart.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-66 Message displayed on the home screen after a USB flash drive is removed The message indicating that the USB flash drive is identified or removed is displayed within 3 seconds.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 5 Controller Operate Guide Figure 5-68 Version Info The E-Label screen displays electronic labels of the entire system, main control board, and display panel, on the About screen to tap E-label to enter the E-lable screen as shown in Figure 5-69.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance System Operation and Maintenance 6.1 Indoor Unit Maintenance Items This chapter describes periodic maintenance items for the indoor unit. You should record the maintenance results in the following tables.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Item Result and no overbend. Check that the H/T sensors are not loose and work properly. Check that the indoor fans do not generate abnormal voice and shock during operation.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Pull the electrical control box out. (The electrical control box is about 16 kg weight. Exercise caution when pull it out.) Put the electrical control box on a flat floor and remove the electrical control box cover.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Check whether the air filter is damaged or deformed. If yes, replace the air filter by following the instructions provided in 6.5.3 Replacing an Air Filter.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Maintenance Operation Item cables. 6.3 Alarm Reference Table 6-5 describes the NetCol5000-C alarm reference. Table 6-5 Alarm reference Alarm Alarm Name Severity System Possible Causes Recovery Measures Operation 1.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Alarm System Alarm Name Severity Possible Causes Recovery Measures Operation actual temperature. the chilled water valve. 3. The chilled water valve is faulty. 4. Check the ambient temperature.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Alarm System Alarm Name Severity Possible Causes Recovery Measures Operation 1. Water exists on the 1. Check and clear the a043 Floor water Critical The alarm is floor.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Alarm System Alarm Name Severity Possible Causes Recovery Measures Operation of the NetCol5000-C is insufficient due to high load. 7. The ambient temperature is high. 1. The supply-air low 1.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Alarm System Alarm Name Severity Possible Causes Recovery Measures Operation valve and displayed on the LCD humidity sensor. actuator has is different from the 3. Check the pressure 100% outputs actual temperature.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Alarm System Alarm Name Severity Possible Causes Recovery Measures Operation 5. The drainpipe of the the drainpipe. condensate pump is blocked. a080 CW value Warning The alarm is...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Alarm System Alarm Name Severity Possible Causes Recovery Measures Operation is different from the the chilled water actual temperature. valve. 3. The chilled water 4. Check the ambient valve is faulty.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Alarm System Alarm Name Severity Possible Causes Recovery Measures Operation inappropriate position. 4. The ambient humidity is low. 1. The supply water 1. Maintain or replace...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Alarm System Alarm Name Severity Possible Causes Recovery Measures Operation damaged. 1. Cables to the chilled 1. Adjust the cables to a101 CW value Major The alarm is...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Alarm System Alarm Name Severity Possible Causes Recovery Measures Operation 1. The DIP switch is Correctly set the a110 Cold aisle Major The alarm is incorrectly set for the...
Severity Possible Causes Recovery Measures Operation sensor. 6.4 Troubleshooting Table 6-6 describes the common faults of NetCol5000-C and handling methods. Table 6-6 Common faults of NetCol5000-C and handling methods Symptom Possible Causes Troubleshooting The fan does not rotate The power supply module of the ...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Symptom Possible Causes Troubleshooting abnormal. water valve is not connected to the water valve controller. Ensure that the right position. jumper cap is on the right two pins.
When operating the high-voltage and AC-powered facilities, use dedicated tools. 6.5.2 Replacing Components in the Electrical Control Box The control function of the NetCol5000-C is unavailable. Prerequisites Components in the electrical control box, including the controller, AC contactor, transformer, fuse, or fuse holder need to be replaced.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Step 5 Install the electrical control box, air filters, and rear door in the rack in sequence. Figure 6-2 Replacing components in the electrical control box ----End 6.5.3 Replacing an Air Filter...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance 6.5.4 Replacing a Condensate Pump The condensate pump stops drain water. Prerequisites The condensate pump needs to be replaced. A spare and functional condensate pump valve is available.
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Align the fastener and positioning pin at the bottom of the fan with related holes on the NetCol5000-C, and push the fan into the NetCol5000-C gently to ensure that cables to the fan are securely connected and the fan is working properly.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance 6.5.6 Replacing a Water Sensor Prerequisites The water sensor needs to be replaced. A spare water sensor is available. Context Recommended tool: Phillips screwdriver Preparations: maintain from the rear door.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance 6.5.7 Replacing an Air Exhaust Temperature Sensor Prerequisites The air exhaust temperature sensor needs to be replaced. A spare and functional temperature sensor is available.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance 6.5.8 Replacing an Air Intake Temperature Sensor Prerequisites The air intake temperature sensor needs to be replaced. A spare and functional temperature sensor is available.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance 6.5.9 Replacing a Water Inlet or Outlet Temperature Sensor Prerequisites The water inlet or outlet temperature sensor needs to be replaced. A spare and functional temperature sensor is available.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance 6.5.10 Replacing a Monitoring Module Prerequisites The monitoring module needs to be replaced. A spare and functional monitoring module is available. Context Preparation: maintain from the rear door.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance A spare and functional rectifier is available. Context Preparations: Maintain from the rear door, and power off the rectifier Procedure Step 1 Remove the rear door and air filters.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Context Recommended tools and materials: Phillips screwdriver, flat-head screwdriver, torque wrench and insulation cotton Preparations: stop supply chilled water and power, adjustment the chiller water valve...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Figure 6-12 Replacing the chilled water valve 1. Screws fastening the chilled 2. Screws connecting the chilled 3. Adjustable water valve controller water valve and the support...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Step 7 Tap Maint > Performance Maint on the home screen to enter the performance maintenance screen, and clear accumulated running time of the float. Figure 6-13 Replacing the float ----End 6.5.14 Replacing a Differential Pressure Sensor...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Step 6 Insert the differential pressure tube into the pressure detection port on the differential pressure sensor, guarantees gas tightness. Step 7 Install the air filter and rear door.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual 6 System Operation and Maintenance Step 7 Connect the signal cables to the controller panel, install the upper part of the front door and lock the door. Pay attention to the fasteners when pushing the controller panel from the right or left side to prevent the controller panel from being damaged.
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual A Acronyms and Abbreviations Acronyms and Abbreviations Controller Area Network Computational Fluid Dynamics Dual in-line Package Electronic Commutation Power Usage Effectiveness Proportional, Integral and Derivative Issue 02 (2013-12-10) Huawei Proprietary and Confidential...
NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual B Controller Operation Rights Configuration Table Controller Operation Rights Configuration Table Users include Admin, Engineer, Operator, and Guest users. The Admin users have the highest permission, followed by the Engineer, Operator, and Guest users.
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual B Controller Operation Rights Configuration Table Compo Item Admin Engineer Operator Guest nent √ Anti-cond temp diff √ Anti-cond delay √ √ Settings T/H control > type System √ √ Temp...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual B Controller Operation Rights Configuration Table Compo Item Admin Engineer Operator Guest nent √ √ Humid p-band √ √ Humid deadband √ √ √ Return-air humid set point √ √ √...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual B Controller Operation Rights Configuration Table Compo Item Admin Engineer Operator Guest nent √ √ Cold aisle 1 temp adj value √ √ Cold aisle 1 humi adj value √ √...
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NetCol5000-C Chilled Water-Cooled In-Row Precision Air Conditioner User Manual B Controller Operation Rights Configuration Table Compo Item Admin Engineer Operator Guest nent √ √ Settings Min speed > √ √ Max speed System Settings √ Max dehumid > speed Indoor √...