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Vertiv | Liebert XDH | User Manual

18

Mechanical Installation (Site Preparation)

No. Description

No.

Description

1

Supply refrigeration circuit

3

Return refrigeration circuit

2

Drain pipe

4

Power port

Figure 3-7 Position of the Refrigerant Piping Connections on the Top Plate

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Summary of Contents for Liebert XDH

Page 1: ...Liebert XDH User Manual High Heat Density Precision Air Conditioning...

Page 2: ...s described in this document may not be within the purchasing scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are pr...

Page 3: ...wing table Situation Description Warning Danger Caution The Warning Danger Caution note indicates a hazardous or potentially harmful situation that can result in death or injury It also indicates in s...

Page 4: ...e right door to access it Before any maintenance operation switch off the unit with this electrical insulation device to eliminate risks such as electrical shocks burns automatic restarting moving par...

Page 5: ...should be an effective water drain connection and facilities Installation should be precise Implementation of the application and service practices should be suitable and fault free Not complying wit...

Page 6: ...5 Filter Dryer 4 1 4 6 Drainage Pump 4 1 4 7 Microprocessor Controller 4 1 4 8 Power Module 4 Chapter 2 Pre Installation 5 2 1 Equipment Room Requirements 5 2 2 Installation Space Requirements 6 2 2 1...

Page 7: ...p Plates 17 3 3 XDH Installation 19 3 3 1 Leveling the Cabinet 19 3 3 2 Removing Leveling Feet and Fastening 20 3 3 3 Assembly of Cabinet Parts 21 3 4 Unit Piping Installation 22 3 4 1 Removing Filter...

Page 8: ...Control Cables 32 4 3 Electrical Installation Inspection 36 Chapter 5 Startup Commissioning 37 5 1 Preparations Before Commissioning 37 5 2 Commissioning Procedure 37 5 2 1 Maintaining the Pressure 37...

Page 9: ...Menu 58 6 6 8 Help Menu 61 6 6 9 Display Set 61 Chapter 7 System Operation And Maintenance 62 7 1 Routine Inspection Items Monthly 62 7 2 Routine Inspection Items Semi Annual 63 7 3 System Diagnosis...

Page 10: ...67 8 3 Fault Diagnosis and Handling of the Air Conditioning System 68 Appendix I Menu Structure of Micro Processor Controller 69 Appendix II Alarm Output Menu 70 Appendix III Equipment Maintenance Ch...

Page 11: ...ed output performance such as sensitive equipments industrial process equipments communication equipments and other types of computing equipments should have a reasonable and safe operating environmen...

Page 12: ...ysical appearance of XDH is shown in Figure 1 1 Figure 1 1 Appearance of the Liebert XDH Precision Air Conditioner No Description No Description 1 Micro channel evaporator 4 Electronic expansion valve...

Page 13: ...Supply S 220 V to 240 V 1 Ph 50 Hz 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 c...

Page 14: ...g and overload protection which ensures timely discharge of condensate water quickly 1 4 7 Microprocessor Controller The XDH precision air conditioner is equipped with a Vertiv microprocessor controll...

Page 15: ...pment room should have a sealed damp proof layer Polyethylene film should be used for the damp proof layer of the ceiling and walls Alternatively the same effect similar to polyethylene can be simulat...

Page 16: ...er cabinets in an alternative manner to form a hot aisle and cold aisle configuration as shown in Figure 2 1 2 2 1 Maintenance Space Requirements for XDH When the XDH air conditioning unit is installe...

Page 17: ...um maintenance space Table 2 1 Minimum Maintenance Space unit mm Space locations XDH030BS1LH0 XDH030BS15R1 Front 600 600 Rear 600 600 The space is used to facilitate regular maintenance activities suc...

Page 18: ...ion level Level II 2 3 2 Storage Environment The storage environment of XDH precision air conditioner meets the requirements of GB4798 1 2005 See Table 2 3 for details Table 2 3 Storage Environment Re...

Page 19: ...CRAC If transport by rail or ship is unavailable transport by road is recommended When selecting road transport roads without too many bumps are highly recommended Liebert XDH unit is heavy it is reco...

Page 20: ...Follow the procedures below for unpacking Removal of Paper Packaging Remove the packaging tape and carton at first then remove the top cover followed by dismantling the unit wrapped in the sealing pla...

Page 21: ...emove the screws No Description No Description 1 Screw M8x20 2 Hexagon head bolt M8x80 Figure 2 6 Screws on Pallet 2 6 Inspection Check that the fittings are complete and the components are intact aga...

Page 22: ...floor or mounted on the false floor as per the server room construction The XDH should be installed next to the high heat density server cabinet in line with the most suitable server rack Prior to th...

Page 23: ...o XDH only it can be connected to other compatible XD products as per its total available cooling capacity 3 2 2 Schematic System Installation Diagram The connection between the XDP and the XDH can be...

Page 24: ...e 4 Liquid refrigerant main pipe 8 Activities floor Figure 3 3 Installation of the XDP and XDH with Bottom Piping Connections In order to prevent air gaps or bubbles inside the refrigerant system the...

Page 25: ...h switch ball valves for separating XDH unit during maintenance In case of serious breakdown such as refrigerant leakage of XDH unit the XDH can be repaired or completely taken out of the row after cl...

Page 26: ...are shown in Figure 3 5 and Table 3 1 Figure 3 5 Mechanical Parameters of the XDH Units Table 3 1 Mechanical Parameters of the XDH Units Model Dimensions WxDxH Operational Weight kg mm inch XDH030BS1L...

Page 27: ...ion of the refrigerant inlet and outlet piping connections on the base plate Location of the refrigerant piping connections on the top plate Figure 3 7 shows the position of the refrigerant inlet and...

Page 28: ...Mechanical Installation Site Preparation No Description No Description 1 Supply refrigeration circuit 3 Return refrigeration circuit 2 Drain pipe 4 Power port Figure 3 7 Position of the Refrigerant Pi...

Page 29: ...ts on the four leveling screw rods in clockwise direction see Figure 3 8 3 Rotate the hex bolt at the bottom of the leveling foot until the foot is raised or lowered to the ideal position Use a leveli...

Page 30: ...ption No Description 1 Front top fixing hole 3 Rear bottom fixing hole 2 Front bottom fixing hole 4 Rear top fixing hole Figure 3 9 Fixing Holes of the Cabinet Removing the leveling feet 1 Use a movab...

Page 31: ...parts on the fan side each at top and bottom Refer Section 3 4 1 for assembly procedure Level the cabinet before paralleling the cabinets and refer Section 3 3 1 Leveling the Cabinet for the leveling...

Page 32: ...m filter net as shown in Figure 3 11 No Description No Description 1 Mounting screw M4x12 2 Fixing flake of the filter Figure 3 11 Removing the Filter Net 3 4 2 Specifications of the Internal Piping o...

Page 33: ...e top and bottom 16 0 63 Gaseous Refrigerant outlet pipe top and bottom 28 1 10 Condensate water drain pipe 12 7 0 50 No Description No Description 1 Drainage pipe 3 Coolant inlet pipe 2 Coolant outle...

Page 34: ...he pipe diameters for the liquid refrigerant line gaseous refrigerant line and the condensate drain line Connect the pipes firmly based on the recommended pipe diameters or contact Vertiv local repres...

Page 35: ...ification mode the condensate water of the evaporator is collected by condensate drain pan and discharged from the drain pump or directly through the drain pipe If the unit is equipped with a condensa...

Page 36: ...h condensate drain pump the condensate drain pan is diversified into two sets of drain passages to drain the condensate water 1 During on site connection the drain hose 1 and drain hose 3 reserved len...

Page 37: ...the unit the piping connections along with all the fasteners of the XDH unit must be inspected and fastened before commissioning The air baffles and the installation holes on the top of the cabinet mu...

Page 38: ...the top cabling bracket After completing the installation of XDH unit at site use the rubber plugs and bolts in the accessories box to block seal the remaining holes Use M13 5 plugs to block seal the...

Page 39: ...installation checklist are complying accordingly Table 3 4 Installation Checklist Items Results Sufficient space for maintenance activities at site The equipment is installed vertically and the instal...

Page 40: ...al electrical regulations See the equipment name plate for the full load current The cable sizes should meet the local wiring standards Mains supply requirement 220 V 10 1N 50 Hz 60 Hz The application...

Page 41: ...rear door After removing the filter there are low voltage components located at predefined locations Low voltage electronic components are distinguished by the labels on the XDH unit No Description No...

Page 42: ...ocation of the top inlet outlet hole and bottom inlet outlet hole properly see Figure 3 6 Figure 3 7 in Chapter 3 Table 4 1 describes the rated full load current value FLA of the unit Table 4 1 Full l...

Page 43: ...ommunication cable between XDP and XDH units XDP and XDH units communicate over the CAN cable The communication cable is led from the CANH CANL terminal and connected to the CANH CANL on each XDH term...

Page 44: ...itted to use a floor water sensor near flammable liquids It is not permitted to use a floor water sensor for the detection of flammable liquids Remote Temperature Sensor Each unit can be equipped with...

Page 45: ...to set the sensor address and it communicates with the control board via MODBUS protocol The sensor address consists of Group number and sequence number in the group wherein DIP1 to DIP4 are used to...

Page 46: ...nal general alarm system is user prepared Refer to Appendix I Circuit Diagram for details definition of other terminals 4 3 Electrical Installation Inspection After the electrical installation is comp...

Page 47: ...voltage of the main power supply is within 10 of the rated voltage and that the power disconnector is closed Ensure that all electrical or control connections are correct and tighten all electrical an...

Page 48: ...e composite pressure gauge to the front and rear sides of the Schrader valves of the XDP pump and evacuate the refrigeration system loop for more than 3 hours or less than 500 microns 1 Evacuating whi...

Page 49: ...gerant valve After the pump is started observe the pump speed and head of delivery Test the running current of the pump and listen to the sound when the pump is operating Check for any abnormality in...

Page 50: ...an is running At the inlet Schrader valve start charging in the refrigerant inside the system When the refrigerant cannot be charged in stop the charging Use the refrigerant cylinder heater to heat th...

Page 51: ...4 Main gas pipe OD 28 mm kg m 0 6 0 5 Main gas pipe OD 32 mm kg m 0 8 0 7 5 3 Post Commissioning Inspection Inspection after commissioning is vital refer Table 5 2 for the commissioning checklist Tab...

Page 52: ...screen with white backlight with a user friendly interface Provides a three level password protection to prevent unauthorized operation Provides multiple functions including self recovery upon power f...

Page 53: ...Color Screen The graphic color screen displays English menus with white backlight When the system is operating normally the upper half part of its main interface is shown in Figure 6 2 More detailed o...

Page 54: ...uttons Button Function description On Off Switch On Off the controller by pressing for 3s Enter button Enter the selected menu screen Validate the parameter setting value Escape button Exit the curren...

Page 55: ...e following steps 1 In the main menu move the cursor up or down to point it to the alarm menu 2 Press Enter to enter the alarm menu screen 3 In the alarm menu move the cursor up or down to point it to...

Page 56: ...unit is powered On the Normal screen will be displayed after 10 seconds The upper part of the screen displays the current airflow temperature and humidity first column return air temperature and humi...

Page 57: ...r temperature and humidity SUP SET Specified airflow temperature RET SET Specified return air temperature REM SET Specified remote return air temperature Rotating speed rate of the fan ranging from 30...

Page 58: ...n the controller the menu options can only be viewed but the parameter settings can not be changed In this case to return to the Normal screen you can press the ESC button and then press the Enter but...

Page 59: ...the system and fan running parameters of the electronic expansion valve optional functions teamwork parameters and manual mode Help menu Set the time change the password and firmware version informat...

Page 60: ...XX YY alarm type alarm generation time and alarm clearing time as shown in Figure 6 10 XX indicates the alarm SN and YY indicates the total number of reported alarms Figure 6 10 Historical Alarm Menu...

Page 61: ...n set the alarm attributes as shown in Figure 6 12 Use the Up or Down key to query menu items Table 6 5 describes the alarm output logic Figure 6 12 Items of the Alarm Attributes Setup Menu The abbrev...

Page 62: ...al Alarm Alarm State Record Alarm Tone Alarm Prompt Enable Yes Yes Yes Yes End Yes Yes No No Disable No No No No Alarms indicating airflow loss high water level floor water overflow fan fault and remo...

Page 63: ...ly Air Temperature Sensor T1 Fault Alarm Col T1 Sensor Coil Temperature Sensor T1 Fault Alarm Air P1 Sensor Air Pressure Sensor P1 Fault Alarm Air P2 Sensor Air Pressure Sensor P2 Fault Alarm Fault Al...

Page 64: ...ty Deadband zone Ctrl Mode Mode of capacity control Average Supply Air Temperature Integ Time Integrated Time Part of the PID Logic Diff Time Differential Time Part of the PID Logic The specified temp...

Page 65: ...ations of the actual operating conditions are mentioned below Abbreviation Description Sup Avg Temp Average Supply Air Temperature Ret Avg Temp Average Return Air Temperature Rem Temp Remote Air Tempe...

Page 66: ...ure 6 18 shows the date and time menu User can query the current date and time on this menu screen Figure 6 18 Date and Time Menu Operation Time Figure 6 19 shows the operation time menu The operation...

Page 67: ...r Switch Door Sw Door Switch Custom2 Sw Customized Switch 2 Wat Pump Output Water Pump Output Switch Air Loss Airflow Loss Differential Pressure Switch Enable and Disable Records User can query the en...

Page 68: ...quipped with XDHs N address code numbered in sequence should be set as 1 2 N Set the appropriate teamwork control addresses to 0 1 2 N 1 in system settings The teamwork control address corresponding t...

Page 69: ...re 6 25 EEV Setting Menu The abbreviations of the input and output states are mentioned below Abbreviation Description Cool Over heat Cooling Over heating zone Hum Over heat Humidity over heating zone...

Page 70: ...and output states are mentioned below Abbreviation Description Fan number Number of Fans 8 Unit Type Type of cooling unit XDH Rem On off Remote connectivity On off Rem Fun1 Remote functionality Rem T...

Page 71: ...help menu The menu includes version information enabling the deployment unavailable to users and service information User can view the relevant information Figure 6 28 Help Menu 6 6 9 Display Set Sel...

Page 72: ...and maintenance personnel can perform system operation and maintenance 7 1 Routine Inspection Items Monthly Check the system components monthly focusing on system function and component wearing sympt...

Page 73: ...eck whether the wiring and coil of the electronic expansion valve control board are loose Cooling circulation system Check the cleanliness of the evaporator surface Check whether the refrigeration pip...

Page 74: ...good condition Replace the loose ones with new sockets and plugs 5 If the power cables are damaged professional personnel must replace the cables to avoid any non standard installation practices Disc...

Page 75: ...f the filter the filter service alarm logic is provided by the controller The default fan running time is 2000 hours depending on the local running environment the filter service alarm will be trigger...

Page 76: ...EEV can be the effect of blocking in the refrigerant flow Therefore pay close attention to the control panel power supply control board wiring pressure temperature sensor wiring or the valve itself wh...

Page 77: ...8 1 Fan Troubleshooting The fan troubleshooting is listed in Table 8 1 Table 8 1 Fan Fault Diagnosis and Handling Symptom Potential Causes Check Items and Handling Methods EC fan cannot be started The...

Page 78: ...ioning system component is faulty identify the potential causes and tackle the problem to ensure normal operation of the unit Table 8 3 describes the major faults and troubleshooting methods in the re...

Page 79: ...Vertiv Liebert XDH User Manual 69 Appendix I Menu Structure of Micro Processor Controller...

Page 80: ...ature sensor failure Fan failure High temperature air flow Remote temperature sensor Power module 1 failure High return air humidity Air pressure sensor 1 failure Power module 2 failure Low return air...

Page 81: ...an Check if fan blades are distorted Check whether the fan generates any noise during running Check whether any fan stops rotating Refrigeration system Check the cleanliness of the evaporator surface...

Page 82: ...iring and coil of the electronic expansion valve control board are loose Cooling circulation system Check the cleanliness of the evaporator surface Check whether the refrigeration pipe has leakage and...

Page 83: ...educe and eliminate toxic and hazardous substances in products through ongoing research The following application components or toxic and hazardous substances is not limited to the current level of te...

Page 84: ...e trade names trademarks or registered trademarks of their respective owners While every precaution has been taken to ensure accuracy and completeness herein Vertiv Co assumes no responsibility and di...

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