Vertiv Liebert XDH User Manual
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Vertiv Liebert XDH User Manual

Vertiv Liebert XDH User Manual

High heat density precision air conditioner
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Vertiv™ Liebert® XDH
High Heat Density
Precision Air Conditioner
User Manual

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Summary of Contents for Vertiv Liebert XDH

  • Page 1 Vertiv™ Liebert® XDH High Heat Density Precision Air Conditioner User Manual...
  • Page 2 The products covered by this instruction manual are manufactured and/or sold by Vertiv. This document is the property of Vertiv and contains confidential and proprietary information owned by Vertiv. Any copying, use or disclosure of it without the written permission of Vertiv is strictly prohibited.
  • Page 3 This page is intentionally left blank.

  • Page 4: Table Of Contents

    Vertiv™ Liebert® XDH User Manual Table of Contents 1 Overview..............................................1 1.1. Product Introduction ......................................... 1 1.2. Product Appearance ........................................ 1 1.3. Model Nomenclature ........................................2 1.4. Main Components ........................................3 1.4.1. Evaporator ..........................................3 1.4.2. EC Fan ............................................3 1.4.3. Electronic Expansion Valve (EEV)..............................3 1.4.4.
  • Page 5 Vertiv™ Liebert® XDH User Manual 2.6. System Installation Layout .....................................10 2.6.1. Overall System Layout ...................................10 2.6.2. System Installation Diagram ................................10 2.7. Installation of the Unit ......................................11 2.7.1. Mechanical Parameters ..................................11 2.7.2. Leveling the Cabinet ....................................12 2.7.3. Removing Leveling Feet and Fixing Cabinet ........................13 2.7.4.
  • Page 6 Vertiv™ Liebert® XDH User Manual 4 System Startup and Commissioning ..............................30 4.1. Startup and Commissioning ..................................30 4.1.1. Preparation Before Commissioning ............................30 4.1.2. Commissioning Procedures ................................30 4.2. Commissioning Inspection Checklist ..............................30 5 Controller Operation Instructions................................31 5.1. Feature ..............................................31 5.2. Appearance ...........................................31 5.3.
  • Page 7 7.2. Troubleshooting and Fault Handling of Electronic Expansion Valve ..............53 7.3. Troubleshooting and Fault Handling of Cooling System ....................54 Appendix I: Circuit Diagram of Vertiv™ Liebert® XDH ................55 Appendix II: Microprocessor Controller Menu Structure Chart ............57 Appendix III: Alarm Output Menu Table .....................58 Appendix IV: List of Maintenance Inspection Items (Monthly) ............59...

  • Page 8: Overview

    This chapter introduces the product description, model description, product appearance and main components of Vertiv™ Liebert® XDH High Heat Density Precision Air Conditioner (hereafter referred as Liebert XDH). The Liebert XDH is a specially engineered equipment for the applications which does not permit any unauthorized and unqualified access in the system.

  • Page 9: Model Nomenclature

    1.3. Model Nomenclature Vertiv™ Liebert® XDH is defined by twelve digits, as represented in Table 1-1. Table 1-1 Vertiv™ Liebert® XDH Nomenclature Digit 1, 2 Product Model X-treme High Density Digit 3 Cooling System Horizontal Cabinet In-row Installation Vertical on Rack...

  • Page 10: Main Components

    Figure 1-2 Electronic Expansion Valve (EEV) 1.4.4. Filter Net Liebert XDH unit is provided with a filtration net, which is highly efficient in protecting the unit by filtering the impurities and dust in the air. 1.4.5. Dry Filter The dry filter can effectively filter the moisture and impurities generated in the long-term operation of the system to ensure the normal operation of the system.

  • Page 11: Drain Pump (Optional)

    1.4.6. Drain Pump (Optional) Vertiv™ Liebert® XDH unit adopts a self-priming drainage pump with small size, low noise and high reliability; the rated voltage required for the system is 220 Vac. It also includes the idling protection and overload protection functions to ensure timely rapid discharge of condensate water.

  • Page 12: Temperature And Humidity Sensors

    1.5. Temperature and Humidity Sensors Vertiv™ Liebert® XDH units are equipped with return air temperature and humidity sensor, and supply air temperature sensor as standard options. These sensors enable controller to control and modulate the cooling capacity of the unit and also help in monitoring and triggering alarms if any threshold value exceeds the setup parameters.

  • Page 13: Mechanical Installation

    4. All doors and windows should be fully enclosed and the gap should be as small as possible. 5. In order to ensure the normal application of Liebert XDH, it is recommended that the equipment room be equipped with a dehumidifier.
  • Page 14 The minimum maintenance space requirements of the unit are shown in Table 2-1. Table 2-1 Minimum Maintenance Space (unit: mm) Location XDH030CS1LRC Front door 600 mm Rear door 600 mm Note: In case of a special application, consult Vertiv local representative. Mechanical Installation...

  • Page 15: Unpacking And Inspection

    1. When transporting, the priority shall be given to rail or water transportation. If user choose road transportation then a road with better road conditions should be select to prevent excessive bumps. 2. Vertiv™ Liebert® XDH unit is heavy. Refer Table 2-2 for weight parameters.

  • Page 16: Unpacking

    2.3.2. Unpacking The unit’s cabinet is packed with honeycomb cardboard and stretch film. After moving the unit to the place closest to the final installation site, unpack it. The unpacking procedures are as follows: 1. First remove the top cover and winding stretch film, then remove the honeycomb cardboard, as shown in Figure 2-4.

  • Page 17: Inspection

    • Installation Notes 1. Vertiv™ Liebert® XDH precision air conditioner unit uses a split floor installation method and must be installed on the floor of the equipment room or computer room.

  • Page 18: Installation Of The Unit

    2.7. Installation of the Unit 2.7.1. Mechanical Parameters The Vertiv™ Liebert® XDH unit dimensions and mechanical parameters are shown in Figure 2-8 Table 2-2. Figure 2-6 Dimension of Liebert XDH Unit Table 2-2 Mechanical Parameters of Liebert XDH Unit Product Model...

  • Page 19: Leveling The Cabinet

    2.7.2. Leveling the Cabinet The followings are steps to level the Vertiv™ Liebert® XDH cabinet 1. Place the unit on the open floor of the installation site. 2. Use an adjustable wrench to loosen the fastening nuts on the 4 hexagonal bolts in a clockwise direction...

  • Page 20: Removing Leveling Feet And Fixing Cabinet

    2.7.3. Removing Leveling Feet and Fixing Cabinet To avoid personal injury and damage to the unit, the operation should be performed by two trained professional. ITEMS DESCRIPTION ITEMS DESCRIPTION Front top fixing hole Front bottom fixing hole Rare top fixing hole Rare bottom fixing hole Figure 2-8 Cabinet Fixing Holes •...

  • Page 21: Piping Outlet Position And Sizes On Bottom Plate

    2.7.4. Piping Outlet Position and Sizes on Bottom Plate Table 2-3 shows the outlet piping specifications of the Vertiv™ Liebert® XDH host. Table 2-3 Liebert XDH Piping Outlet Specifications Pipeline Type Pipe Size (OD, mm) Suction Pipe Liquid Pipe The location and dimensions of the inlet and outlet piping of the unit at the bottom plate are shown in...

  • Page 22: Piping Outlet Position And Sizes On Top Plate

    2.7.5. Piping Outlet Position and Sizes on Top Plate The reserved location and positioning dimensions of the outlet pipes of the unit top plate are shown in Figure 2-10. ITEMS DESCRIPTION ITEMS DESCRIPTION Reserved inlet Reserved Refrigerant inlet/outlet Reserved drain Figure 2-10 Inlet and Outlet Piping Position on the Top Plate Note: The front side of the unit is defined as the side with the display screen, and the opposite side is the rear side.

  • Page 23: Parallel Connecting Cabinets

    3. Repeat the Step 1 and Step 2 for all other cabinets. ITEMS DESCRIPTION ITEMS DESCRIPTION Mounting screw GB819_1_2000_M5 x 12 Cabinet connector Figure 2-11 Connecting the Unit and Server Racks in Parallel Vertiv™ | Liebert® XDH | User Manual...

  • Page 24: Unit Piping Installation

    2.9.2. Internal Piping Specifications in the Terminal After removing the filter net, user can see the internal piping of the Vertiv™ Liebert® XDH unit, including the refrigerant inlet and outlet piping and the condensate drain piping. The specifications of the three piping are shown in...

  • Page 25: Copper Pipe Connection Between The Main Unit And The Terminal

    Figure 2-13 Bottom Piping of the Unit 2.9.3. Copper Pipe Connection between the Main Unit and the Terminal Refer to the relevant content of installing the unit pipeline in the “Vertiv™ Liebert® XDC multi-connected air conditioner main unit User Manual”.
  • Page 26 • If the unit is equipped with a water pump, and the user needs to drain water from the bottom of the unit, route the drain hose through the drain hole under the water pump of the unit (there is a mark on the cabinet floor in Figure 2-14) and connect it to the condensate drain pipe on site.
  • Page 27 Note1: Do not cut the bracket of the trap, otherwise the drainage of condensate will be affected. Note2: Before starting up, fill the trap with water to avoid blowing water. Note3: To avoid water leakage, use Teflon raw material tape between the flexible piping and the joint. Vertiv™ | Liebert® XDH | User Manual...

  • Page 28: Installation Finishing Work

    • Adjust the Guide Grilles According to the installation position of Liebert XDH unit at the site, the installation direction of the air guide grille can be adjusted to guide the air stream in the left or right direction. The guide grille is composed of several linear pieces which is fixed at left and right ends.
  • Page 29 Use the provided four M13.5 rubber plugs to Use the provided eight M12 x 30 bolts to seal the holes seal the holes Figure 2-17 Holes on the Top of the Unit Cabinet Vertiv™ | Liebert® XDH | User Manual...

  • Page 30: Mechanical Installation Checklist

    2.11. Mechanical Installation Checklist Initiate the inspection checks after the mechanical installation is completed. Pre-check and confirm that there are no discrepancies or faults. Ensure that all the points in the checklist (refer Table 2-5 for installation checklist) are complying accordingly..

  • Page 31: Electrical Installation

    This chapter introduces the electrical installation of Vertiv™ Liebert® XDH unit, including installation notes, cabling and electrical inspection for the unit. Note1: Liebert XDH unit is a professional unit, used in industrial, commercial or other professional environment, and is not sold to the general public.

  • Page 32: Cabling Of The Unit

    3.2. Cabling of the Unit 3.2.1. Electrical Interface Location of the Unit Open the rear door of the Vertiv™ Liebert® XDH unit and remove the filter net, user can see the specific distribution position of the low-voltage components, as shown in Figure 3-1.

  • Page 33: Connection Of Unit Power Supply Cables

    Standard Unit XDH030CS1LRC Note1: The cable size should comply with local and national regulations. Note2: The above full load current value does not include the outdoor unit and Vertiv™ Liebert® XD terminal. 3.3. Control Cables Connections Figure 3-2 shows the location of the cabling terminals used for field cabling/wiring.
  • Page 34 • Communication cables CAN communication is used between the main unit and the Vertiv™ Liebert® XDC terminal, and the user needs to connect the cables on site. The communication cables are from the CANH/CANL terminal of the unit and further connected in series with the CANH/CANL on each terminal block of the terminal.
  • Page 35 The user needs to provide the power supply of the external public alarm system circuit. For other terminal definitions, refer Appendix I Vertiv™ Liebert® XDH Circuit Diagram. Vertiv™ | Liebert® XDH | User Manual...

  • Page 36: Electrical Inspection Checklist

    All cables and circuit connectors have been tightened, and the tightening screws are not loose After confirming the above points, user can start the commissioning. Users are prohibited from powering on the unit before the professional and technical personnel authorized from Vertiv have checked and confirmed the electrical connections. Electrical Installation...

  • Page 37: System Startup And Commissioning

    4.1.1. Preparation Before Commissioning • Mechanical Part 1. According to the instruction label at the valve, ensure that all valves of the main unit and Vertiv™ Liebert® XDH terminals are open. 2. The refrigerant piping system has passed the air tightness test and confirmed that there is no leakage.

  • Page 38: Controller Operation Instructions

    5.1. Feature The micro-processing controller has the following features: • It can monitor and display the operation status of Liebert XDH unit to maintain the environment within the range of setpoints. • Equipped with a 128×64 dot graphics color Interface with white backlight with a user-friendly interface.

  • Page 39: Graphic Color Interface

    The micro-processing controller has five control buttons, as shown in Figure 5-3. The functions of the control buttons are described in Table 5-1. ITEMS DESCRIPTION ITEMS DESCRIPTION On/Off button Down button Enter button Up button ESC button Figure 5-3 Control Buttons Vertiv™ | Liebert® XDH | User Manual...

  • Page 40: Operation Example

    Table 5-1 Function Descriptions of Control Buttons Button Function Description Switch On/ Off the controller by pressing for 3s. On/ Off Enter the selected menu Interface. Validate the parameter setting value. Enter button Exit the current menu and return to the normal Interface or previous menu Interface. Escape button Abort parameter change;...

  • Page 41: Control Interface

    (third column). The lower part displays the unit temperature, fan output, dehumidification state, and unit running state (power Off or running). Refer Figure 5-5 for better understanding. Figure 5-5 Normal Interface Vertiv™ | Liebert® XDH | User Manual...

  • Page 42: Unit Working Icons

    5.5.3. Unit Working Icons The icons and their definitions are listed in Table 5-2. Table 5-2 Description of Icons Icon Description Current airflow temperature and humidity Current return air temperature and humidity Current remote return air temperature and humidity SUP SET Specified airflow temperature RET SET Specified return air temperature...

  • Page 43: Menu Structure

    System menu expansion valve, optional functions, teamwork parameters, and manual mode. Help menu Set the time, change the password, and firmware version information. Display settings Adjust the Interface contrast, and change the language. Vertiv™ | Liebert® XDH | User Manual...

  • Page 44: Alarm Menu

    5.6.2. Alarm Menu To enter the Interface shown in Figure 5-8, select Alarm Menu on the Main Menu Interface. To scroll up or down the menu items, click the Up or Down button respectively. Figure 5-8 Alarm Menu Interface 5.6.3. Current Alarm The current alarm menu is used to monitor the current alarm status of the air conditioner unit.

  • Page 45: Alarm Setup

    On the Alarm Setup Interface, set the alarm attributes, as shown in Figure 5-12. Use the Up or Down key to query menu items. Table 5-5 describes the alarm output logic. Figure 5-12 Items of the Alarm Attributes Setup Menu Vertiv™ | Liebert® XDH | User Manual...
  • Page 46 The abbreviations of the system alarms are mentioned below Abbreviation Description Hi Sup Temp High Superheat Temperature Alarm 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...
  • Page 47 Select Main Menu and access the Temp & Hum Set and Interface as shown in Figure 5-15, and the Temperature and Humidity Setting values will be permanently saved. Figure 5-15 Temp & Hum Set Menu Vertiv™ | Liebert® XDH | User Manual...

  • Page 48: System State

    The abbreviations of the set point conditions and alarms are mentioned below Abbreviation Description Sup T Set Supply Air Temperature Setpoint Ret T Set Return Air Temperature Setpoint Rem T set Remote Air Temperature Setpoint Temp Band Temperature Bandwidth (2.0 °C indicates +/-1 °C 0 Temp DB Temperature Deadband zone Hum Set...
  • Page 49 Rem Hum Remote Ar Humidity Air Pressure1 Air Pressure at point 1 Air Pressure2 Air Pressure at point 2 Overheat Cooling demand is more than cooling capacity Refrigerant Pressure Saturated Liquid Refrigerant Pressure Vertiv™ | Liebert® XDH | User Manual...
  • Page 50 • Time and Date Figure 5-18 shows the date and time menu. User can query the current date and time on this menu Interface. Figure 5-18 Time and Date Menu • Running Time Figure 5-19 shows the Running Time menu. The operation time can be saved permanently. You can query the operation time of the device on this menu Interface.

  • Page 51: System Menu

    The enable and disable records can be saved permanently. Figure 5-21 Enable and Disable Record Menu 5.6.7. System Menu Figure 5-22 shows the system menu. Parameters on the system menu can be saved permanently. Figure 5-22 System Menu Vertiv™ | Liebert® XDH | User Manual...
  • Page 52 • System Settings Figure 6-23 shows the system settings menu. Figure 5-23 System Settings Menu Note1: When a main unit is equipped with N terminals, the address code of each terminal needs to be set on site. Please follow the sequence of the terminal 1, 2, …, N, and change the teamwork control address value to 0, 1, 2,… , N-1, in the system settings, that is, the No.
  • Page 53 Type of cooling unit: XDH Rem On/off Remote connectivity: On/off Rem Fun1 Remote functionality Rem Temp1-8 Remote Air temperature sensor (1 – 8 nos) Rem Hum1-8 Remote Air Humidity sensors (1 – 8 nos) Vertiv™ | Liebert® XDH | User Manual...

  • Page 54: Help Menu

    • Change Password Setting The password change settings can be saved permanently. Figure 5-27 shows the password change menu. Figure 5-27 Password Change Menu 5.6.8. Help Menu Figure 5-28 shows the Help Menu. The menu includes version information, enabling the deployment (unavailable to users), and service information.

  • Page 55: System Operation And Maintenance

    Vertiv™ Liebert® XDH unit, including routine maintenance inspections, system troubleshooting tests, and maintenance of filter net, fan components, cooling systems, and drainage systems. It is recommended that the load of Liebert XDH system should not be less than 30%. If the •...

  • Page 56: Routine Maintenance Inspection (Semi-Annual)

    6.2. Routine Maintenance Inspection (Semi-annual) Table 6-2 provides the details of semi-annual routine maintenance and inspection items of Vertiv™ Liebert® XDH unit. Table 6-2 Semi-annual Routine Inspection Items List Inspection items Remark Part Check whether the evaporator surface is clean and free from small particles (if any).

  • Page 57: Electrical Connection Inspection

    9. Use temperature and humidity measuring instruments with higher measurement accuracy to measure and calibrate the readings of temperature and humidity sensors. 10. Adjust the setpoints and check the action of each functional component according to the control logic. Vertiv™ | Liebert® XDH | User Manual...

  • Page 58: Maintenance Of Filter Net

    If identified in such a condition fixed it immediately. 4. Check the refrigerant piping and fix the brackets in every six months. Note: It is not recommended that customers adjust the EEV by themselves. If user need some adjustment, contact Vertiv local representative or technical support engineer.

  • Page 59: Maintenance Of Drainage System

    4. For reinstall the water pump, reverse the above steps. ITEMS DESCRIPTION Pump Figure 6-1 Condensate Pump Removal Note: Regularly check whether the drain filter net of the water pan is blocked by any foreign matter and clean it immediately. Vertiv™ | Liebert® XDH | User Manual...

  • Page 60: Troubleshooting

    7 Troubleshooting Troubleshooting is to be performed by the trained and qualified service personnel. However, the checklists have been provided just for reference purposes. • Prior to troubleshooting, the lethal voltage may be present in the unit which can be fatal. All notes, warnings, and cautions marked on the unit as well as the ones mentioned in the manual must be considered, otherwise, it may lead to injury and fatality.

  • Page 61: Troubleshooting And Fault Handling Of Cooling System

    Airflow volume is Fan failure Check whether the fan is malfunctioning. reducing Dirty or blocked Check the cleanliness of the surface of the microchannel evaporator evaporator, and clean it regularly. Vertiv™ | Liebert® XDH | User Manual...

  • Page 62: Appendix I: Circuit Diagram Of Vertiv™ Liebert® Xdh

    Appendix I: Circuit Diagram of Vertiv™ Liebert® XDH Circuit Diagram I Vertiv™ | Liebert® XDH | User Manual...
  • Page 63 Heat J13-2 contactor 6 22 contactor J31-1 J31-2 Transformer J18 3 J18-DO7 TRANSFORMER3 G0 G J28-1 J28-2 LLSV1 J28-7 J28-8 KA1-A1 KA1-14 J28-9 TB-75 Common alarm J28-10 TB-76 KA1-11 KA1-A2 Circuit Diagram II Vertiv™ | Liebert® XDH | User Manual...

  • Page 64: Appendix Ii: Microprocessor Controller Menu Structure Chart

    Appendix II: Microprocessor Controller Menu Structure Chart Vertiv™ | Liebert® XDH | User Manual...

  • Page 65: Appendix Iii: Alarm Output Menu Table

    Filter Maintain Alarm Remote Low Temp Alarm Comm. Fault Alarm Pressure Sensor Fault Micro Switch Alarm Remote High Hum. Alarm Alarm Self Defined 2 Alarm Remote Low Hum. Alarm Temp. Sensor Fault Alarm Vertiv™ | Liebert® XDH | User Manual...

  • Page 66: Appendix Iv: List Of Maintenance Inspection Items (Monthly)

    Drain pump ___ 1. Check for impurities, debris, etc. in the water pan ___ 2. Check if the drain pump filter net is blocked Signature_________________________________________________________ Note: Please copy this form for record archive. Vertiv™ | Liebert® XDH | User Manual...

  • Page 67: Appendix V: List Of Maintenance Inspection Items (Semi-Annually)

    __ 1. Check if the drain pump filter net is blocked __ 2. Check whether the water pump cable is loose __ 3. Check whether there are impurities, debris, etc. in the water pan Signature_________________________________________________________ Note: Please copy this form for record archive. Vertiv™ | Liebert® XDH | User Manual...

  • Page 68: Appendix Vi: Toxic And Hazardous Substances Or Elements

    SJ/T11363-2006. Vertiv is committed to the design and manufacture of environmentally friendly products. We will continue to reduce and eliminate toxic and hazardous substances in our products through continuous research. The following components or...
  • Page 69 Connect with Vertiv on Social Media https://www.facebook.com/vertiv/ https://www.instagram.com/vertiv/ https://www.linkedin.com/company/vertiv/ https://www.twitter.com/vertiv/...
  • Page 70 Vertiv.com © 2021 Vertiv Group Corp. All rights reserved. Vertiv™ and the Vertiv logo are trademarks or registered trademarks of Vertiv Group Corp. 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 here, Vertiv Group Corp.

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