Air cooled remote condenser with ec fans (42 pages)
Summary of Contents for Vertiv Liebert XDH
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Liebert® XDH High Heat Density Precision Air Conditioning User Manual...
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Vertiv Co., Ltd. China Homepage: www.vertiv.com E-mail: support@Vertiv.com Customer service hotline: 4008876510 Asia Pacific Homepage: www.vertiv.com. E-mail: overseas.support@Vertiv.com For Technical Support, users may contact the nearest Vertiv Co. local sales office or service centre.
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The figures used in this document are for reference only. Please read this manual carefully before installing, maintaining, and troubleshooting. Liebert XDH precision air conditioners is professional device, it is only for professionals and they are adapted to the place where entry is restricted for normal people.
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Safety Precautions and Measures The important safety precautions and measures that should be followed during the installation and maintenance are described in the following sections. Read the manual prior to installation and operation of the unit. Only qualified personnel should move, install, or service this equipment.
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Therefore, care should be taken to ensure that the unit must not be located directly above any equipment that could sustain damage due to water and excessive moisture. Using a leak detection system for the unit and system supply lines are recommended by Vertiv Co.
2.2.1.Maintenance Space Requirements for XDH ........................6 2.3.Storage & Operating Environmental Requirements .........................8 2.3.1.Operating Environment ................................... 8 2.3.2.Storage Environment ....................................8 2.4.Refrigerant Requirements ....................................9 2.5. T ransportation, Unpacking and Inspection ............................9 2.5.1. T ransportation and Movement.................................9 2.5.2.Unpacking .........................................10 Vertiv | Liebert XDH | User Manual...
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3.4.4.Connecting the Condensate Water Outlet Pipe of the XDH Unit............. 25 3.5.Post-Installation Arrangements ................................27 3.5.1.Adjusting Air Baffles ....................................27 3.5.2.Blocking Holes on Top Plate of XDH Unit ........................28 3.5.3.Leakage Detecting by Nitrogen ..............................29 3.6.Installation Checklist ......................................29 Vertiv | Liebert XDH | User Manual...
XDH architecture is an effective and efficient solution to the problem of heat dissipation in server rooms with high heat density and it is installed where cooling load changes drastically. Vertiv | Liebert XDH | User Manual...
220 V to 240 V/ 1 Ph/ 60 Hz 1.4.Components This section provides an overview of the main components and their features of the XDH unit. Liebert XDH includes the micro-channel heat exchanger evaporator coil, EC fans, electronic expansion valve, air filter, refrigerant filter dryer, condensate drain pump, microprocessor controller, and a power module.
1.4.7.Microprocessor Controller The XDH precision air conditioner is equipped with a Vertiv microprocessor controller that functions on the advanced PID regulation technology. Microprocessor controller has a display resolution of 240×128 pixels (small display: 128×64, large display: 240×128) with a blue back-light (small display: white color back-light, large display:...
• Vertiv recommends that the site preparation is defined as per the requirements. However, if these requirements are not met, Vertiv recommends that rectifications should be made on the site in order to comply with the specified requirements and conditions.
2-1, a provision space of 600 mm in the front and rear sides should be reserved for maintenance activities. Refer Figure 2-2 for better understanding. Figure 2-1 XDH Installation Location in Server Room Vertiv | Liebert XDH | User Manual...
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• The space is used to facilitate regular maintenance activities, such as replacing the filter net, fan, filter dryer and maintenance of electronic control box. • Consult Vertiv local representative for any special application. Vertiv | Liebert XDH | User Manual...
Total transportation and storage time should not exceed six months, Storage time otherwise the performance of the system needs to be re-calibrated. Please contact Vertiv local representative when operating in the following conditions • The voltage of the air conditioning unit is beyond the range of the operating voltage.
When selecting road transport, roads without too many bumps are highly recommended. • Liebert XDH unit is heavy, it is recommended to use the mechanical equipment like electrical forklift to move the unit. • Move the equipment to the location near the installation site.
Honey Comb Paper Board. For better understanding see Figure 2-7. Description Description Top cover Honeycomb cardboard Remove the top cover First remove the winding stretch film and then remove the honeycomb cardboard Figure 2-5 Removing External Package Vertiv | Liebert XDH | User Manual...
• Check that the fittings are complete and the components are intact against the packing list. Ensure that everything is in its designated position. • If any parts or components are missing or damaged, immediately report to the local offices of the carrier and Vertiv local representative at the earliest. Vertiv | Liebert XDH | User Manual...
Mechanical Installation (Site Preparation) Chapter 3: Mechanical Installation (Site Preparation) This chapter describes the procedures that must be carried out to ensure proper installation of Liebert XDH system including installation notes, system installation layout, unit piping installation and installation checklist.
Gaseous refrigerant dis-tributary pipe On/Off ball valve Liquid refrigerant dis-tributary pipe Activities floor Liquid refrigerant main pipe On/Off ball valve Gaseous refrigerant main pipe Figure 3-2 Installation of the XDP and XDH with Top Piping Connections Vertiv | Liebert XDH | User Manual...
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• For the liquid refrigerant and the gaseous refrigerant piping, the ball valves on the individual branched piping are required to be installed on site. The size and specifications of the ball valves are subject to the pipe diameters of the liquid refrigerant and gaseous refrigerant piping. Vertiv | Liebert XDH | User Manual...
Table 3-1 Mechanical Parameters of the XDH Units Model Dimensions (WxDxH) Operational Weight (kg) inch XDH030BS1LH0 300×1100×1945 11.8”x43.3”x76.6” XDH030BS15R1 • The cabinet height with the leveling feet is 2000 mm and without leveling feet is 1945 mm. Vertiv | Liebert XDH | User Manual...
Description Description Power port Return refrigeration circuit Drain pipe Supply refrigeration circuit Figure 3-6 Position of the Refrigerant Piping Connections on the Base Plate Vertiv | Liebert XDH | User Manual...
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Mechanical Installation (Site Preparation) Description Description Supply refrigeration circuit Return refrigeration circuit Drain pipe Power port Figure 3-7 Position of the Refrigerant Piping Connections on the Top Plate Vertiv | Liebert XDH | User Manual...
4. Tighten the fixing nuts on the leveling foot by rotating them counter-clockwise to complete the level adjustment. If there is a provision for mounting bracket in the equipment room, then the leveling feet must be removed and the XDH unit should be fixed on the mounting bracket. Vertiv | Liebert XDH | User Manual...
1. Use a movable wrench to loosen the four fixing nuts on the four leveling screw rods one by one in clockwise direction. 2. Rotate the hexagonal bolt at the bottom of the leveling feet in clockwise direction until the leveling feet can be removed from the XDH unit frame. Vertiv | Liebert XDH | User Manual...
Figure 3-10. Description Description Mounting screw M5x12 Parallel kit Figure 3-10 Paralleling the Cabinets using Combined Parts 3. Use the same method to fix the other parallel cabinet kit. Vertiv | Liebert XDH | User Manual...
Table 3-2 describes specifications of three pipes. The locations of the piping connections are shown in Figure 3-12. Vertiv | Liebert XDH | User Manual...
Connect the pipes firmly based on the recommended pipe diameters or contact Vertiv local representative for confirmation. Both liquid refrigerant main piping and dis-tributary piping of the XDH need a switch type ball valves for isolating each XDP from the refrigerant lines during its maintenance.
3. Connect the external drain pipe to the top drain hole (the pipe connection is installed, 3/4”-BSP) on the top side of the cabinet. The external drain pipe should be tilted in the direction of drainage to prevent stopping of the pump due to a condensate water backflow. Vertiv | Liebert XDH | User Manual...
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• A Water-trap must be installed at a minimum of 20 cm below the Condensate-drain-pan and the trap must be installed in the floor under the unit; • Charge-water in the water trap; Vertiv | Liebert XDH | User Manual...
180 degrees and then installing again to change the airflow direction. The mounting screws of the air baffle is shown in Figure 3-16. Vertiv | Liebert XDH | User Manual...
Use the provided four M13.4 rubber plugs to Use the provided eight M12x30 bolts to seal the holes seal the holes Figure 3-17 Blocking the Holes on the Top of the XDH Unit Vertiv | Liebert XDH | User Manual...
Irrelevant things (such as transportation material, structure material, and tools) inside or around the equipment have been cleared after the equipment is installed. After all the items are checked and confirmed, perform the electrical installation operation. Vertiv | Liebert XDH | User Manual...
• Mains supply requirement: 220 V±10%, 1N, 50 Hz/ 60 Hz. • The application grid for this air conditioner, TN, TT star connection power system; consult Vertiv local representative for other connection. • The electrical installation and maintenance must be performed by authorized professional personnel.
Low-voltage electronic components are distinguished by the labels on the XDH unit. Description Description Terminal block Main breaker Power module of fan Fixed clip Breaker of power module Figure 4-1 Cable Connection of the Electronic Control Box and the Terminals Vertiv | Liebert XDH | User Manual...
The field connection terminals are located as shown in Figure 4-1, and the enlarge view of the connection terminal is shown in Figure 4-3. Figure 4-2 shows the connection layout of XDP and XDH Figure 4-2 Layout of XDP and XDH Vertiv | Liebert XDH | User Manual...
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• Remote power-off The remote power-off switch can be connected to Terminals 37# and 38#. The terminals are short-circuited upon delivery. Remove the short circuit table while connecting the terminals to a remote power-off switch. Vertiv | Liebert XDH | User Manual...
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Use the same connection method on other sensors. Table 4-2 describes the IRM-S01T address settings of the remote temperature sensors. Vertiv | Liebert XDH | User Manual...
Control transformer setting matches the incoming power. After confirming the above points, you can start the commissioning. • Do not power on the unit until Vertiv authorized technical personnel has checked and confirmed all the parameters of electrical installation in the unit are correct.
• If a refrigerant leakage is evident (focus on the soldered joints) and repair the leakage. • If no refrigerant leakage occurs, maintain pressure (at least for 24 hours) and check if the pressure is reduced after 24 hours. Vertiv | Liebert XDH | User Manual...
5-1. As the XD system is large, it is suggested that several vacuum pumps can be used to evacuate the system. • Ensure that all the ball valves on XDP and XDHs are open before evacuating the system. Vertiv | Liebert XDH | User Manual...
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• For safety purpose, before entering the equipment room, wear ear-caps, earplugs and other equipment to protect hearing. • The methods for evacuation and charging the refrigerant are same for XDP and XDH units. Vertiv | Liebert XDH | User Manual...
• The volume of XD system is large. It is strongly recommended that one or more refrigerant charging machine is used. • Refrigerant charge can be calculated according to the Table 5-1. The pump should be powered On only when charging is finished. Vertiv | Liebert XDH | User Manual...
Check the temperature & humidity settings are correct and are controlled within range. Is there any abnormal alarm. Ensure all the other functions are set correctly. Ensure that electrical installation checklist is confirm refer Table 4-4. Vertiv | Liebert XDH | User Manual...
• The expert-level fault diagnostic system can automatically display the current fault information to facilitate technician personnel in maintenance activities. • Stores up to 400 historical alarm records. • Configured with an RS485, using MODBUS-RTU communication protocol. 6.2.Appearance The micro-processing controller panel is shown in Figure 6-1. Vertiv | Liebert XDH | User Manual...
Main Menu screen. The selected menu option will be highlighted while browsing. The digit to be changed will be highlighted while scrolling through the settings menu. Figure 6-2 Display Screen Vertiv | Liebert XDH | User Manual...
For a multi-screen menu: scroll up the screen. Move the cursor down or decrease the parameter value. For a toggle selection: scroll Down button through the options. For a multi-screen menu: scroll down the screen. Vertiv | Liebert XDH | User Manual...
10. Press the Esc button to return to the previous menu screen. • If user do not press the Enter button to validate the changed parameter after changing the parameter, the change of Hi Temp to Supply Air is invalid. Vertiv | Liebert XDH | User Manual...
(second column), and remote temperature and humidity (third column). The lower part displays the unit temperature, fan output, dehumidification state, and unit running state (power Off or running). Refer Figure 6-5 for better understanding. Figure 6-5 Normal Interface Vertiv | Liebert XDH | User Manual...
Unit attribute/ running state. S: standalone; RUN: running; OFF: shutdown 6.5.4.Password Screen Press the Enter button on the Normal screen, and the Password screen will appear, as shown in Figure 6-6. Figure 6-6 Password Screen Vertiv | Liebert XDH | User Manual...
Appendix II Menu Structure. the menu item will be highlighted. Some menu items are changeable and others are not. For detailed setting procedures, refer to Section 6.4.2 Operation Example. Figure 6-7 Main Menu Screen Vertiv | Liebert XDH | User Manual...
NO ALARM or specific alarm information. The specific alarm information includes XX/ YY, alarm type, and alarm generation time, as shown in Figure 6-9. XX indicates the alarm SN, and YY indicates the total number of reported alarms. Vertiv | Liebert XDH | User Manual...
On the Alarm Menu, select the Alarm setup to enter the Alarm Setup screen. Use the Up or Down key to query menu items. The Alarm Setup menu includes the alarm values, system alarm attributes, sensor alarm attributes, and fault alarm polarity. Parameter settings can be saved permanently. Vertiv | Liebert XDH | User Manual...
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Lo Sup Temp Low Superheat Temperature Alarm Hi Ret Temp High Return Air Temperature Alarm Lo Ret Temp Low Return Air Temperature Alarm Hi Wat ALM Hi Wat Alarm Water Under flow Alarm Vertiv | Liebert XDH | User Manual...
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On the Alarm Setup screen, set the sensor alarm attributes, as shown in Figure 6-13. Use the Up or Down key to query menu items. Figure 6-13 Items of the Sensor Alarm Attribute Setup Menu Vertiv | Liebert XDH | User Manual...
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Select Main Menu -> Temp & Hum Set and enter the screen as shown in Figure 6-15, and the Temperature and Humidity Setting values will be permanently saved. Figure 6-15 Temp & Hum Set Menu Vertiv | Liebert XDH | User Manual...
This setting for the remote mode is also similar. 6.6.6.System State Select Main Menu -> System State to enter the System State menu, as shown in Figure 6-16. Figure 6-16 System State Vertiv | Liebert XDH | User Manual...
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Return Air Temperature Air temp Supply Air Temperature Refri Temp Entering Refrigerant Liquid Temperature Dew Point Temperature Sup Hum Supply Air Humidity Rem Hum Remote Ar Humidity Air Pressure1 Air Pressure at point 1 Vertiv | Liebert XDH | User Manual...
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Figure 6-19 Operation Time Menu • Input and Output State Figure 6-20 shows the input and output state menu. You can query the enable state of the device on this menu. Vertiv | Liebert XDH | User Manual...
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Figure 6-21. XX indicates the record SN, and YY indicates the total number of records. The enable and disable records can be saved permanently. Figure 6-21 Enable and Disable Record Menu Vertiv | Liebert XDH | User Manual...
• Do not set the teamwork control address to any value, for example, 1, 2, …, N, or 1, 3, … N. Otherwise, the XDP and the corresponding XDH cannot communicate with each other. Vertiv | Liebert XDH | User Manual...
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Dead Band set up Band Cond Bandwidth zone condition Integ Cond Integrated condition Diff Cond Differential condition EEV Min position EEV Minimum position of opening valve EEV position EEV Current position of opening valve Vertiv | Liebert XDH | User Manual...
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Remote Air Humidity sensors (1 – 8 nos) Rem Temp Cal 1-8 Rem Hum Cal 1-8 • Changing the Password The password change settings can be saved permanently. Figure 6-27 shows the password change menu. Figure 6-27 Password Change Menu Vertiv | Liebert XDH | User Manual...
(unavailable to users), and service information. User can view the relevant information. Figure 6-28 Help Menu 6.6.9.Display Set Select Main Menu -> Display Set to enter the Display Set screen, as shown in Figure 6-29. Figure 6-29 Display Set Vertiv | Liebert XDH | User Manual...
• During the running of Liebert XDH, there may be lethal voltage within the unit. The system must therefore comply with all cautions and warnings mentioned in this manual or which may cause casualties.
Check whether there are impurities and debris in the water drainage pan Drainage pump Check the drain pump connection line for clogging Check whether the cable of the drain pump is loose Vertiv | Liebert XDH | User Manual...
4. Check and fasten the input and output connectors of the control interface boards, including the control board, interface board, temperature and humidity sensor board, fan fault detection board, and EEV control board. Vertiv | Liebert XDH | User Manual...
• Do not operate and maintain the fan in a running condition to avoid any injury to the operator or damage the fan blades. • During the unit operation, do not touch the fan cover as it may lead to mechanical damage to the unit by the rotating fan blades. Vertiv | Liebert XDH | User Manual...
In addition, check whether the power supply of the drain pump is proper, whether the wiring is secure, whether the drain pump is blocked, and whether the drain pipe is unobstructed. Vertiv | Liebert XDH | User Manual...
8.2.Fault Diagnosis and Handling of Electronic Expansion Valve (EEV) As a key component for refrigerant system and cooling capacity adjustment, the working of the EEV is important. Table 8-2 describes the fault diagnosis and handling methods. Vertiv | Liebert XDH | User Manual...
Check whether the fan is faulty. Table 8-1 describes decrease The fan is faulty the diagnosis and handling methods. Check the surface of the micro-channel evaporator Blockage of the evaporator and periodically handle the blockage problem. Vertiv | Liebert XDH | User Manual...
(Using the liquid refrigerant sight glass to check) Check whether there are impurities and debris in the condensate water pan Drainage pump Check the drain pump port for clogging Signature_________________________________________________________ Note: Please copy this table as a record keeping purposes. Vertiv | Liebert XDH | User Manual...
Check whether there are impurities and debris in the water tray Drainage pump Check the drain pump connection line for clogging Check whether the cable of the drain pump is loose Signature_________________________________________________________ Note: Please copy this table as a record keeping purposes. Vertiv | Liebert XDH | User Manual...
X: Represents the hazardous substance content of at least one homogeneous material of the member exceeds the limit requirement GB/T 26572 specified. Vertiv has been committed to the design and manufacture of environmentally friendly products, we will reduce and eliminate toxic and hazardous substances in products through ongoing research. The following application...
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