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Summary of Contents for Vertiv Liebert XDP
- Page 1 Liebert® XDP High Heat Density Precision Air Conditioning User Manual...
- Page 2 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.
- Page 3 The figures used in this document are for reference only. Please read this manual carefully before installing, maintaining, and troubleshooting. Liebert XDP 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.
- Page 4 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.
- Page 5 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.
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Page 6: Table Of Contents
2.2.Installation Space Requirements ................................. 6 2.2.1.Maintenance Space Requirements ............................... 7 2.2.2.Side Outlet Holes for Water Pipes ..............................8 2.3.Environmental Requirements ..................................9 2.3.1.Operating Environment .....................................9 2.3.2.Storage Environment ....................................9 2.4.Refrigerant Requirements ....................................10 2.5. T ransportation, Unpacking and Inspection ............................10 Vertiv | Liebert XDP | User Manual... - Page 7 3.4.3.Refrigerant Pipe Connection between the XDP and the Cooling Module ..........25 3.4.4.Connection of the Chilled Water Pipes of the XDP Unit ..................26 3.5.Post Installation Check .......................................28 3.5.1.Blocking Holes on Top Plate of Cabinet..........................28 3.5.2.Leakage Detecting by Nitrogen ..............................29 3.6.Mechanical Installation Inspection ................................29 Vertiv | Liebert XDP | User Manual...
- Page 8 5.3.Post Commissioning Inspection ................................40 Chapter 6: Color Screen Operation Guide ............................41 6.1.Features ...............................................41 6.2.Appearance ............................................41 6.3.Main Screen of the Display .....................................42 6.3.1.Startup Screen ........................................42 6.3.2.Main Screen Display ....................................42 6.3.3.Operation Instances ....................................45 6.3.4.Password Screen......................................45 Vertiv | Liebert XDP | User Manual...
- Page 9 Chapter 8: System Operation and Maintenance ..........................66 8.1.Routine Inspection Items (Monthly) ...............................66 8.2.Routine Inspection Items (Semi-Annually) .............................67 8.3.System Diagnosis Testing ....................................67 8.4.Electrical Connection Inspection ................................68 8.4.1.Electrical Maintenance ..................................68 8.4.2.Control Part Maintenance ................................. 68 8.5.Pump Maintenance ........................................69 Vertiv | Liebert XDP | User Manual...
- Page 10 Appendix I: Menu Structure of Micro Processor Controller ....................73 Appendix II: Alarm Output Menu ...................................74 Appendix III: Monthly Maintenance Checklist ..........................75 Appendix IV: Routine Maintenance Checklist (Semi-Annual) ..................76 Appendix V: Table Names and Content of Harmful Substances in Products ......................................77 Vertiv | Liebert XDP | User Manual...
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Page 11: Chapter 1: Product Overview
Liebert XDP precision air conditioner. 1.1.Product Introduction The Liebert XDP refrigerant distribution unit is an interface between the building chilled water system and the cooling modules in the Liebert XD system. It is designed to circulate and control refrigerant to the cooling modules that are in the room with heat-producing equipment. - Page 12 Product Overview Description Description Fluid Reservoir Plate heat exchanger Two-way valve Inverter pump Figure 1-2 Main Components of XDP Unit Vertiv | Liebert XDP | User Manual...
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Page 13: Model Nomenclature
380 V to 415 V/ 3 Ph/ 60 Hz+N 1.4.Components This section provides an overview of the major components and their features of the XDP. Liebert XDP includes inverter pump, plate heat exchanger, fluid reservoir, two-port valve, microprocessor controller, graphical color screen, and variable frequency controller. -
Page 14: Plate Heat Exchanger
By default, the unit is configured with the two-port valve. 1.4.5.Micro-processor Controller The Liebert XDP precision air conditioner is equipped with a microprocessor controller that adopts the advanced PID based technology. Multi-level password protection can effectively prevent unauthorized operations. The microprocessor controller provides the self-recovery function against power failure. -
Page 15: Optional Components
Pressure drop-water side (kPa) Power supply 380 V/ 415 V 3 Ph 50 Hz/ 60 Hz Pump type Gear pump, variable speed Pump power (W) 1600 1400 inch Dimensions (HxWxD) 1945x600x1100 76.6”x23.6”x43.3” Operational Weight (kg) Vertiv | Liebert XDP | User Manual... -
Page 16: Chapter 2: Pre-Installation
XDP precision air conditioner in an unconducive outdoor environment. • Vertiv recommends that the site preparation is defined as per the requirements. However, if these requirements are not met, Vertiv recommends that rectifications be made on the site in order to comply with the specified requirements and conditions. -
Page 17: Maintenance Space Requirements
Figure 2-1 Space Clearance for Maintenance for XDP Unit Table 2-1 Minimum Maintenance Space (unit: mm) XDP200RM1L20 XDP200RM1R20 XDP200RM1L21 XDP200RM1R21 Space locations inch Front 23.62” Rear 23.62” Screen side 23.62” Vertiv | Liebert XDP | User Manual... -
Page 18: Side Outlet Holes For Water Pipes
Four circular holes are provided in the side panel of XDP to support the side installation for water piping. However, some customers prefer the down pipeline, and do not need these four holes. In such case, the side panel with holes can be moved against the wall of the building. Consult Vertiv local representative for any special application. -
Page 19: Environmental Requirements
Pre-Installation 2.3.Environmental Requirements 2.3.1.Operating Environment The operating environment of Liebert XDP precision air conditioner meets the requirements of GB4798.3- 2007. Table 2-2 for details. Table 2-2 Operating Environment Requirements Item Requirements Ambient temperature Indoor 18 °C to 40 °C, RH<60%... -
Page 20: Refrigerant Requirements
2.4.Refrigerant Requirements • Do not use sub-standard quality inferior refrigerant as it may cause an extensive damage to the system. Vertiv does not undertake any responsibility for all the related consequences that result from using a low quality inferior refrigerant. -
Page 21: Unpacking
Honey Comb Paper Board. For better understanding see Figure 2-5. 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 XDP | User Manual... -
Page 22: Inspection
• Check that the fittings are complete and the components are intact against the packing list. Ensure that everything is at 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 XDP | User Manual... -
Page 23: Chapter 3: Mechanical Installation (Site Preparation)
To achieve optimum performance and prolong product life, correct installation is essential. This chapter describes the procedures that must be carried out to ensure proper installation of Liebert XDP system, including installation notes, system installation layout, unit piping installation, and installation check. -
Page 24: Schematic System Installation Diagram
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 XDP | User Manual... - Page 25 • For the liquid refrigerant main pipe and the gaseous refrigerant pipe, the ball valves on the individual dis-tributary piping are need to be installed on site. The ball valve specifications are subject to the pipe diameters of the liquid refrigerant and gaseous refrigerant main pipes. Vertiv | Liebert XDP | User Manual...
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Page 26: Ball Valves On Xdp And Cooling Modules/ Xdh Units
Cooling module/ XDH unit, the Cooling modules can be repaired or completely taken out of the row after closing the ball valves, refer Figure 3-2, Figure 3-3 Figure 3-4 for better understanding. • These ball valves are installed at the customer site. Figure 3-4 Ball Valve Switches Vertiv | Liebert XDP | User Manual... -
Page 27: Mechanical Parameters
Table 3-1 Mechanical Parameters of the XDP Units Model Dimensions (WxDxH) Net Weight inch (kg) XDP200RM1L20 XDP200RM1L21 600×1100×1945 23.6”x43.3”x76.6” XDP200RM1R20 XDP200RM1R21 The cabinet height is 2000 mm (including the leveling feet) and is 1945 mm (excluding the leveling feet). Vertiv | Liebert XDP | User Manual... -
Page 28: Dimension Of The Outlet Pipe On The Base Plate And The Top Plate
Description Description Outlet hole Outlet pipe Refrigerant inlet pipe hole Inlet pipe Refrigerant outlet pipe hole Entry hole Figure 3-6 Location of the Refrigerant Piping Connections at the Base Plate Vertiv | Liebert XDP | User Manual... -
Page 29: Xdp Installation
3.3.1.Leveling the Cabinet The Liebert XDP precision air conditioner can be placed within room. At least one side of the cabinet is adjacent to the server cabinet or wall of the equipment room, or another XDP. After components of the cabinet are installed, level the cabinet. -
Page 30: Removing Leveling Feet And Fastening
XDP unit should be fixed to the mounting bracket. 3.3.2.Removing Leveling Feet and Fastening • To avoid injury to personnel or any damage to XDP unit, this operation should be completed by two installation personnel together. Vertiv | Liebert XDP | User Manual... - Page 31 Figure 3-9. Four bottom holes are bolted to the floor bracket in the equipment room. After four top holes are bolted, they can be connected to the top bracket in the equipment room. Vertiv | Liebert XDP | User Manual...
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Page 32: Combined Cabinet Parts
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 XDP | User Manual... -
Page 33: Unit Piping Installation
Mechanical Installation (Site Preparation) 3.4.Unit Piping Installation 3.4.1.Dimension of the Internal Pipes Internal pipes of the Liebert XDP precision air conditioner include the coolant inlet pipe, coolant outlet pipe, water inlet pipe and water outlet pipe. Table 3-2 describes the pipe specifications and... -
Page 34: Brass Connection Between The Xdp And The Cooling Module/ Xdh
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 main piping during its maintenance. -
Page 35: Refrigerant Pipe Connection Between The Xdp And The Cooling Module
• After the pipeline brazing, check the leakage and charge the piping with appropriate amount of nitrogen (2 bar to 3 bar). • After brazing, wrap the pipes with cotton, to prevent the surface condensation. Vertiv | Liebert XDP | User Manual... -
Page 36: Connection Of The Chilled Water Pipes Of The Xdp Unit
Outer Diameter (OD) of the water outlet pipe: 66 mm Thread joint of the water pipe Dimension: R2” Maximum pressure-bearing on the water pipe side 25 bar Maximum adjustable differential pressure of the water 3.5 bar valve Vertiv | Liebert XDP | User Manual... - Page 37 • The two-port water valve is connected using the woggle joints. Connect the valve based on the prompts on the label, and fasten the screws using the movable double-end wrench. Vertiv | Liebert XDP | User Manual...
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Page 38: Post Installation Check
Use the provided four M13.5 rubber plug to seal the Use the provide eight M12x30 bolts to seal the holes hole Figure 3-14 Blocking the Holes on the Top of the XDP Unit Vertiv | Liebert XDP | User Manual... -
Page 39: Leakage Detecting By Nitrogen
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 XDP | User Manual... -
Page 40: Chapter 4: Electrical Installation
• Mains supply requirement: 380 V±10%, 3N, 50 Hz/ 60Hz. • 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. -
Page 41: Xdp Cable Connection
Low-voltage electrical components are distinguished by the labels on the XDP unit. Refer Figure 4-1 for better understanding Figure 4-1 Cable Connection of the Electrical Control Box and the Terminals Vertiv | Liebert XDP | User Manual... -
Page 42: Connecting The Power Cable Of The Xdp Unit
4-1, and the enlarge view of the connection terminal is shown in Figure 4-3. These connections used to guide the on-site cabling. Figure 4-2 shows the connection layout of XDP and Cooling module/ XDH. Vertiv | Liebert XDP | User Manual... - Page 43 Figure 4-2 Layout of XDP and XDH Description Description Terminal Cross mark Contact part Vertical mark Partition Holder Figure 4-3 On-site Connection Terminal • The connection personnel must take anti-static measures before connecting the control cables. Vertiv | Liebert XDP | User Manual...
- Page 44 When a critical alarm occurs, the contact will be closed to trigger remote alarms and send signals to the building management system or automatically dial the paging system. The power supply of the external general alarm system is user-prepared. Vertiv | Liebert XDP | User Manual...
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Page 45: Electrical Installation Inspection
All the cables connections are fastened, and screws fitted correctly. 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 the unit. Vertiv | Liebert XDP | User Manual... -
Page 46: Chapter 5: Startup Commissioning
• If a refrigerant leakage is evident (focus on the soldered joints) and repair the leakage. • If no refrigerant leakage occurs, maintains pressure (at least 24 hours) and then check if the pressure is reduced after 24 hours. Vertiv | Liebert XDP | User Manual... -
Page 47: Evacuating The System
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 Cooling modules/ XDHs are open before evacuating the system. Vertiv | Liebert XDP | User Manual... - Page 48 • 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 Cooling module/ XDH units. Vertiv | Liebert XDP | User Manual...
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Page 49: Charging The Refrigerant
Sight glass 2 Recommended operating level Sight glass 1 Operation level is not allowed below sight glass 3 Operation level is not allowed above sight glass 1 Figure 5-3 The Current Liquid Refrigerant Level Vertiv | Liebert XDP | User Manual... -
Page 50: Post Commissioning Inspection
Check the temperature & humidity settings are correct and are in controlled within the range Is there any abnormal alarm Ensure all the other functions are set correctly. Ensure that electrical installation inspection checklist is confirm refer Table 4-2. Vertiv | Liebert XDP | User Manual... -
Page 51: Chapter 6: Color Screen Operation Guide
Color Screen Operation Guide Chapter 6: Color Screen Operation Guide This chapter describes features, appearance, main screen, alarm menu, and system settings of the Liebert XDP precision air conditioner. 6.1.Features The 7-inch color screen has the following features: • The graphical color screen provides menus to monitor and display the running state of the precision air conditioner and temperature control within the specified range. -
Page 52: Main Screen Of The Display
The right part displays the output state of the major adjusting components (such as the water valve and pump), communication state, and volume keys, as shown in Figure 6-3 Figure 6-4. Figure 6-3 Color Screen - Lock Vertiv | Liebert XDP | User Manual... - Page 53 6-3) is given in the below table. Description Description Home Communication Pipe Pump Valve Unlock Version Time Volume Description Description Home Pump Pipe Valve Unlock Version Time Volume Setup Communication Figure 6-4 Color Screen-Unlock Vertiv | Liebert XDP | User Manual...
- Page 54 It indicates that the XDP or cooling module/ XDH is running. No indicator It indicates that the XDP or cooling module/ XDH is offline. Version The lower right corner of the main screen displays the software version. Vertiv | Liebert XDP | User Manual...
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Page 55: Operation Instances
• After parameters are changed, the original values remain unchanged if you do not press Enter. 6.3.4.Password Screen After user presses the Lock button in the upper right corner, the password screen is displayed, as shown in Figure 6-5. Figure 6-5 Password Screen Vertiv | Liebert XDP | User Manual... -
Page 56: Alarm Menu
After user presses the ALM on the Main menu, the Alarm screen is displayed, as shown in Figure 6-6, including the current alarm, historical alarm, and alarm setup menus. Figure 6-6 Alarm Menu Vertiv | Liebert XDP | User Manual... - Page 57 Table 6-3 describes the output logic of the alarms. Parameters on the alarm setup menu are permanently saved. User can view all alarm setup items by switching to the next page. Vertiv | Liebert XDP | User Manual...
- Page 58 • The alarm attributes are classified into Disable, End, and Allow. • It is not recommended to change the default values in alarm settings. If the default values need to be changed, conduct the operation under the guidance of the trained professional personnel or consult Vertiv local representative.
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Page 59: System Setup
Instance 1: Set the temperature. 1. In the temperature setup screen, press the number, as shown in Figure 6-11. 2. Enter the corresponding control temperature value. 3. Press Enter. Figure 6-11 Temperature Settings Vertiv | Liebert XDP | User Manual... -
Page 60: Water Valve Parameters
• It is not recommended to enable the manual control mode. If it is necessary, request the professional personnel to perform the operations or consult Vertiv local representative. • The manual control mode can only be disabled manually. -
Page 61: Pump Parameters
• It is not recommended to change the default values in alarm settings. If the default values need to be changed, conduct the operation under the guidance of the trained professional personnel or consult Vertiv local representative. • The high temperature locking, high head of delivery locking, and low head of delivery locking are major faults. -
Page 62: Xdp And Xdh Parameters
If user enters the password to log in to the system, user can set the end-related parameters, for example, power- On/Off control, temperature settings, fan control mode, and minimum opening of the electrical expansion valve, as shown in Figure 6-18. Vertiv | Liebert XDP | User Manual... - Page 63 Table 6-4 Abbreviations of Parameters of XD Units Num. Abbreviation Full name Air P Air Pressure Alarm Call For Cooling CTRL Control Chilled Water Dew Point DIS-OFF Displayer Off D Coef Differential Coefficient Electron Expansion Valve High Temperature Humidity Vertiv | Liebert XDP | User Manual...
- Page 64 P Coef Proportion Coefficient Remote Return REM-OFF Remote Off REF I TEMP Refrigerant Inlet Temperature SUP A Supply Average SUP H Supply High Supply SEN HEAT sensible heat TEMP Temperature Variable Speed Controller Vertiv | Liebert XDP | User Manual...
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Page 65: Chapter 7: Variable Frequency Controller
Pin 2: 0.5 V to 4.5 V input end of the pressure voltage signal Access terminal of voltage- Pin 3: negative end of 5 V power supply J4 (HP2） mode pressure sensor 2 Vertiv | Liebert XDP | User Manual... -
Page 66: Human Machine Interfaces
12 V power D115 Yellow indicator The variable frequency controller board is faulty. The 24 V power supply is normal. 24 V power D116 Yellow indicator The variable frequency controller board is faulty. Vertiv | Liebert XDP | User Manual... - Page 67 • Buttons and Nixie Pipe The buttons and nixie pipe provide human-machine interfaces for on-site maintenance. Table 7-3 describes the human-machine operations over the buttons and nixie pipe. Vertiv | Liebert XDP | User Manual...
- Page 68 The buttons and nixie pipe are located in the upper right corner on the variable frequency controller board. Figure 7-2 shows the appearance. Description Description DOWN key ESC key ENT key UP key Figure 7-2 Buttons and Nixie Pipe Vertiv | Liebert XDP | User Manual...
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Page 69: Human Machine Operations
Description Description Analog main menu interface Historical alarm main menu interface Current alarm main menu interface Configure data menu interface Figure 7-4 Switching Operation and Sequence of the Main Menu Vertiv | Liebert XDP | User Manual... -
Page 70: Main Menu Of The Running Status Parameters
Remarks Pressure difference between 0 bar to 8 bar the pump inlet and outlet Current head of delivery Sensor failure 0 bar to 20 bar Pump inlet pressure Pump inlet pressure Sensor failure Vertiv | Liebert XDP | User Manual... -
Page 71: Current Alarm Quantity Menu
Figure 7-6 The Process and Sequence of the Switching Alarm Quantity and Sub-menu • The alarm is displayed as “A”+”alarm code”. Vertiv | Liebert XDP | User Manual... -
Page 72: Historical Alarm Quantity Menu
When multiple alarms are generated, the alarm IDs are arranged based on the time sequence. The latest alarm is displayed first. When there is no alarm, the screen displays “- - -”. Figure 7-7 shows the process and sequence for switching the historical alarm quantity sub-menus. Vertiv | Liebert XDP | User Manual... - Page 73 When the historical menu is the configuration quantity menu and displays “C--”. Press ENT to access the configuration quantity sub-menu. Figure 7-8 shows the process and sequence for switching the configuration quantity sub-menus. Vertiv | Liebert XDP | User Manual...
- Page 74 0.0 Hz to 0.5 Hz frequency 3 Variable frequency con- 0：V/F；1：V/F2 trol curve System address 1: system 1; 2: system 2 Manual mode 0：OFF；1：ON Reference output frequency in manual 0％fp to 100％fp mode Vertiv | Liebert XDP | User Manual...
- Page 75 • It is not recommended to operate the variable frequency controller in manual mode. If it is necessary, request the professional personnel to perform the operations or consult Vertiv local representative. • It is not recommended to change default values of parameters on the configuration quantity menu. If the default values need to be changed, conduct the operation under the guidance of the trained professional personnel or consult Vertiv local representative.
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Page 76: Chapter 8: System Operation And Maintenance
Chapter 8: System Operation and Maintenance Periodic system maintenance is crucial to ensure product reliability and validity. This chapter describes the operation and maintenance of the Liebert XDP precision air conditioner, including routine maintenance, system diagnosis testing, electrical connection inspection, and refrigerant system maintenance. -
Page 77: Routine Inspection Items (Semi-Annually)
The microprocessor controller supports the manual mode and provides diagnosis functions such as manually enabling and disabling parts. Such functions can be used to detect states of the system functional parts, for example, manual adjustment of the opening of the two-port water valve. Vertiv | Liebert XDP | User Manual... -
Page 78: Electrical Connection Inspection
9. Adjust the setpoints. Check the motion of each functional component according to the control logic. 10. Simulate and detect the working status of protection unit such as the XDP. 11. Check whether cable connection and values of each sensor are normal. Vertiv | Liebert XDP | User Manual... -
Page 79: Pump Maintenance
7. Use a clamp flow meter to measure the pump operating current. The normal operating current value of about 2 A to 5 A. To further identify faults and reasons, contact Technical personnel or Vertiv local representative. Vertiv | Liebert XDP | User Manual... - Page 80 Outlet ball valve for pump 2 Figure 8-1 Ball Valves at the Pump Inlet and Outlet 3. Connect the pressure gauge to the front and rear needle valves to recycle the refrigerant, as shown in Figure 8-2. Vertiv | Liebert XDP | User Manual...
- Page 81 If the electronic expansion valve is faulty, replace it. Contact Vertiv personnel for the cleaning methods. Remove the refrigerant pump from the inlet and the outlet.
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Page 82: Plate Heat Exchanger Maintenance
In addition, it is also necessary to check whether the pipe bag is damaged. If yes, fill cotton in a gaps periodically. Vertiv | Liebert XDP | User Manual... -
Page 83: Appendix I: Menu Structure Of Micro Processor Controller
Appendix I: Menu Structure of Micro Processor Controller Vertiv | Liebert XDP | User Manual... -
Page 84: Appendix Ii: Alarm Output Menu
Remote high pressure sensor alarm failure failure alarm humidity failure Alarm for Floor water Water valve Power User-defined Remote low temperature overflow alarm executor failure phase loss alarm 2 humidity sensor failure Vertiv | Liebert XDP | User Manual... -
Page 85: Appendix Iii: Monthly Maintenance Checklist
Check whether the liquid level of the fluid reservoir satisfies the minimum liquid level requirements. Fluid reservoir Check whether the welding position of the fluid reservoir is leaked. Signature_________________________________________________________ Note: Please copy this table as a record keeping purposes. Vertiv | Liebert XDP | User Manual... -
Page 86: Appendix Iv: Routine Maintenance Checklist (Semi-Annual)
Check and fasten the circuit connector. Electrical control part Check the control program. Check whether the control cables are loose or have linking troubles. Signature_________________________________________________________ Note: Please copy this table as a record keeping purposes. Vertiv | Liebert XDP | User Manual... -
Page 87: Appendix V: Table Names And Content Of Harmful
X: Represents the hazardous substance content of at least one homogeneous material of the member exceeds the limit requirement SJ/T 11364-2006 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... - Page 88 © 2019 Vertiv Co. All rights reserved. Vertiv and the Vertiv logo are trademarks or registered trademarks of Vertiv Co. All other names and logos referred to are trade names, trademarks, or registered trademarks of their respective owners. While every precaution has been taken to ensure accuracy and completeness herein.
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