Vertiv Liebert DSE500 Installer/User Manual Download Page 4

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8.9 Replacing the Premium-efficiency Control Board

8.9.1 Preparing to Replace the Board

8.9.2 Installing the Replacement Board

8.10 Pumped-refrigerant Economizer (PRE)

9 Preventive Maintenance Checklist

Appendices

Appendix A: Technical Support and Contacts

Appendix B: Submittal Drawings

Vertiv | Liebert® DSE500™ Installer/User Guide |

Summary of Contents for Liebert DSE500

Page 1: ...Liebert DSE500 Packaged Solution Thermal Management System Installer User Guide...

Page 2: ...aims all liability for damages resulting from use of this information or for any errors or omissions Refer to other local practices or building codes as applicable for the correct methods tools and ma...

Page 3: ...Checks and Commissioning Procedure for Warranty Inspection 25 8 Maintenance 27 8 1 Service Access for Unit Maintenance 27 8 2 Filters 28 8 2 1 Replacing the Filters 29 8 3 Evaporator Fan Maintenance 2...

Page 4: ...lace the Board 44 8 9 2 Installing the Replacement Board 45 8 10 Pumped refrigerant Economizer PRE 46 9 Preventive Maintenance Checklist 47 Appendices 51 Appendix A Technical Support and Contacts 51 A...

Page 5: ...install and open a remote disconnect switch Refer to unit electrical schematic Follow all local codes WARNING Risk of electric shock Can cause serious injury or death Open all local and remote electr...

Page 6: ...trical connections Can cause overheated wire and electrical connection terminals resulting in smoke fire equipment and building damage injury or death Use correctly sized copper wire only and verify t...

Page 7: ...rnate power source for example back up generator systems for start up commissioning testing or normal operation ensure that these sources are correctly adjusted to the nameplate voltage and frequency...

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Page 9: ...P Liebert Packaged DSE Digit 3 to 5 Cooling Capacity kW Nominalsensible capacity kW Digit 6 Air Discharge F Perimeter front inlet front supply R Roof top bottom supply bottom return Digit 7 System Typ...

Page 10: ...P Domestic Digit 22 to 24 Factory Configuration Number Digit 25 Configuration Code S SFA Table 2 2 DSE500 Packaged Solution Model number Digit Definitions continued 2 2 Component Location The unit co...

Page 11: ...r flow Configuration Item Description 1 Return air from datacenter 2 Supply air to datacenter Document Number Title DPN004718 Airflow Schematic Perimeter Unit Table 2 4 Perimeter unit air flow schemat...

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Page 13: ...based on the electrical specification on the unit s name plate and meet local code Verify that the utility electric supply lines lights and outlet are adequately sized and meet local code Verify that...

Page 14: ...n adequate water drain system See Figure 3 1 below for the connection on the unit Observe the following requirements and 3 2 above when installing and routing the clean out line Insulate the line with...

Page 15: ...d operating envelope than the recommended ASHRAE limits The DSE500 operating limits are as follows Return Air Temp 105 F 41 C Max 90 F 32 C Min Supply Air Temp 85 F 29 C Max 70 F 21 C Min for Perimete...

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Page 17: ...les representative Equipment Recommended for Handling the Unit Lift beam Slings Spreader bars Shims and blocks 4 1 Rigging to Lift the Unit WARNING Risk of improper moving Can cause equipment damage i...

Page 18: ...Figure 4 1 Lugs to attach rigging to a perimeter unit configuration Item Description 1 Lugs to attach rigging Typicalboth sides Vertiv Liebert DSE500 Installer User Guide 18...

Page 19: ...tage The only way to ensure that there is NO voltage inside the unit is to install and open a remote disconnect switch Refer to unit electrical schematic Follow all local codes WARNING Risk of electri...

Page 20: ...r connections were made correctly We also recommend verifying discharge and suction pressures during start up to ensure that the compressors are running in the correct direction NOTICE Risk of imprope...

Page 21: ...nclosure Item Description 1 Location of IntelliSlot Unity card in the DSE500 main electricalenclosure for low voltage BMS wiring Figure 5 2 Location for filter clog switch air proof switch iCOM master...

Page 22: ...electrical enclosure Item Description 1 Location of the connection for CAT5 cable from Liebert VNSAICOM8 network switch Figure 5 4 120 V UPS power feed connection for low voltage controls in Main elec...

Page 23: ...to unit and building structure and any openings around supply and return duct connections are sealed 3 Filters installed 4 Check fasteners that secure evaporator fan motors some may have become loose...

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Page 25: ...appropriate OSHA approved PPE NOTICE Risk of improper electrical connection of three phase input power Can cause backward compressor rotation and unit damage Service technicians should use a gauge se...

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Page 27: ...parently not operating and the input wiring is disconnected from the electrical source WARNING Risk of improper wiring piping moving lifting and handling Can cause equipment damage serious injury or d...

Page 28: ...Risk of improper filter installation Can cause filter collapse and airflow reduction To maximize the performance and reliability of the equipment use only Vertiv filters Contact your Vertiv represent...

Page 29: ...2 Using the slot on the filter rack shown in the following figure remove all 30 filters 3 Referring Figure 8 2 below install the new air filters in each column as follows At the slot insert the bottom...

Page 30: ...with hot surfaces Can cause injury The fan motor and some electrical components are extremely hot during unit operation Allow sufficient time for them to cool to a touch safe temperature before worki...

Page 31: ...superheat instability 8 5 Compressor Maintenance 8 5 1 Compressor Oil NOTICE Risk of improper compressor lubrication Can cause compressor and refrigerant system damage Failure to use oil types viscosi...

Page 32: ...Do not attempt to remove the compressor without first contacting Vertiv support at 1 800 543 2778 8 5 5 Unloading Solenoid s on a Digital scroll Compressor When replacing a digital scroll compressor t...

Page 33: ...ressure transducer and discharge pressure switch These devices look similar and they must be reinstalled in their original location 8 6 General Condenser Maintenance Periodic attention is necessary fo...

Page 34: ...n the coil 1 Disconnect the power supply before working on the unit 2 Open the cleaning window s on the side of the condenser by loosening the mounting screws 3 Insert a spray nozzle on the end of a s...

Page 35: ...Risk of contact with high speed rotating fan impeller blades Can cause injury or death Open all local and remote electric power supply disconnect switches verify with a voltmeter that power is off an...

Page 36: ...emove the cable glands from the EC fan to be replaced see Figure 8 4 below and Figure 8 5 on the facing page Figure 8 4 Internal wiring of Ziehl Abegg fan in Condenser Item Description 1 GND 2 Edge of...

Page 37: ...uired for the lifting equipment if only one technician is performing the fan replacement 6 Install a spreader bar over the new EC fan if only one technician is performing the fan replacement 7 Verify...

Page 38: ...affected during preparation mode therefore the cooling unit should be off Setting this value back to 0 creates new default values based upon selections in this menu After default values are establish...

Page 39: ...ressed C00 EBM Papst fan C01 Ziehl Abegg fan 33 Press the ENT button 34 Use the UP or DOWN arrow button to the correct fan address number Fan 1 should be 1 fan closest to electric panel end Fan 2 shou...

Page 40: ...or DOWN arrow button until C34 displays 9 Press ENT button If Fan 1 is running the fans speed should display in terms of percentage of full speed If Fan 1 is not running 0 00 should display 10 Use th...

Page 41: ...between Pins 1 and 2 of J6 If the condenser is not the last device in the CANbus communication line then the jumper on J6 must be placed on Pins 2 and 3 CANbus communication errors may occur if the j...

Page 42: ...4 bar 232 347 psi C14 Condenser pressure PID Kp Do not change unless properly instructed C15 Condenser pressure PID Kip C16 Condenser pressure PID Kdp C17 Refrigerant temperature max 1 Range 30 40 C 8...

Page 43: ...ffset to the startup speed of the EC Fan in range 10 to 10 C50 C58 C90 Prefered display units 0 Metric bar C 1 Imperial psi F C91 Save configuration to USB flash drive Pressing ENT will execute the fu...

Page 44: ...ive high voltage The only way to ensure that there is NO voltage inside the unit is to install and open a remote disconnect switch Refer to unit electrical schematic Follow all local codes 8 9 1 Prepa...

Page 45: ...instructions verify that all the parts are included and check the nameplate to be sure the voltage matches available utility power The Liebert controller does not isolate power from the unit even in...

Page 46: ...bus DIP switch from On to Off 15 Change the jumper positions for J2 J4 J5 and J6 to match the control board that was removed If the condenser is the last device on the CANbus communication line move t...

Page 47: ...r further information on unit operation We recommend the use of trained and authorized service personnel extended service contracts and factory certified replacement parts Contact your local sales rep...

Page 48: ...Circuit 2A L1 L2 L3 Circuit 2B L1 L2 L3 Condenser 1 Coil clean 2 Fans free of debris 3 Fans securely mounted 4 Motor bearings in good condition 5 Check all refrigerant lines for vibration isolation S...

Page 49: ...speed control operation 5 Check pump mounting MAINTENANCE NOTES Name Signature Company Make photocopies for your records Compare readings information to previous maintenance worksheet To locate your l...

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Page 51: ...ert Thermal Management Products 1 800 543 2778 Liebert Channel Products 1 800 222 5877 Liebert AC and DC Power Products 1 800 543 2378 A 2 Locations United States Vertiv Headquarters 1050 Dearborn Dri...

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Page 53: ...flow Schematic Perimeter Unit DPN004717 Component Location Perimeter Unit DPN004706 Equipment Floor plan Layout for Perimeter and Roof top Units DPN004716 Cabinet and Anchor DimensionalData DPN004713...

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Page 55: ...7 Automatic Transfer Switch disconnect switch and Main Fuses A Access to the high voltage electric panel compartment can be obtained only with the switch in the off position Fused disconnects 100kAIC...

Page 56: ...rm No DPN001040_REV4 ELECTRICAL FIELD CONNECTIONS LIEBERT DSE Rear of Unit Main Electrical Cabinet Condenser Electrical Cabinet Automatic Transfer Switch optional Rear View Main Electrical Cabinet Ref...

Page 57: ...V DATE 6 18 DPN004336 Page 3 5 AUTOMATIC TRANSFER SWITCH ENCLOSURE Form No DPN001040_REV4 ELECTRICAL FIELD CONNECTIONS LIEBERT DSE 24 610mm 60 1524mm 54 3 8 1381mm 7 5 8 194mm 9 1 2 241mm 54 3 8 1383m...

Page 58: ...REV 1 REV DATE 6 18 DPN004336 Page 4 5 AUTOMATIC TRANSFER SWITCH ENCLOSURE Form No DPN001040_REV4 ELECTRICAL FIELD CONNECTIONS LIEBERT DSE 7 3 9 5 6 4 10 7 8 8 LEFT SIDE VIEW SUBPANEL...

Page 59: ...PN001040_REV4 ELECTRICAL FIELD CONNECTIONS LIEBERT DSE Customer BMS A1 Normal Supply Power Failure When Open A1E Emergency PS Failure When Open A3 Normal PS Active When Closed A4 Emergency PS Active W...

Page 60: ...vel Top View Notes 1 Grating is removable 2 Main EP location Detailed dimensions for penetration zone on DPN004332 Sheet 4 3 Optional ATS location 17 3 4 449mm 20 1 2 520mm 5 1 8 130mm 17 5 8 449mm 6...

Page 61: ...o DPN001040_REV4 EQUIPMENT FLOOR PLAN LIEBERT DSE Notes 1 Grating is Removable 2 C4 x 5 4 Frame Member 3 4x2 Tubing Frame Member Grating Level Top View Main EP Box ATS Optional 2 2 2 2 2 2 3 PRE 1 PRE...

Page 62: ...ain Unit EP Box ATS Optional PRE 2 PRE 1 Compressor Cabinet 1 Compressor Cabinet 2 42 1067mm 42 1067mm 42 1067mm 42 1067mm 39 1 2 1003mm 39 1 2 1003mm 24 609mm Door Clearance ATS EP Pump Access Main E...

Page 63: ...iew Light Fixture Below Condensor Section Light Fixture Inside Evaporator Cabinet Utility Box Light Switch Cabinet VFD 1 VFD 2 VFD 3 VFD 4 Fan 1 Fan 2 Fan 3 Fan 4 Side View ATS Optional PRE Compressor...

Page 64: ...emote unit shutdown Replace existing jumper between terminals 37 38 with field supplied normally closed switch having a minimum 75VA 24VAC rating Use field supplied Class 1 wiring 7 Customer alarm inp...

Page 65: ...when used in Team Work 1 Mode In this mode one unit is selected as the master When cascade control is enabled selected unit or units will operate continuously standby unit will cycle on when addition...

Page 66: ...ROOF TOP UNIT Form No DPN001040_REV4 ELECTRICAL FIELD CONNECTIONS LIEBERT DSE Rear of Unit Main Electrical Cabinet Condenser Electrical Cabinet Automatic Transfer Switch optional Rear View Automatic...

Page 67: ...LE CAN BE PLACED ANYWHERE IN THE RECTANGULAR AREA THESE AREAS ARE NOT KNOCKOUTS BUT ARE ACCEPTABLE AREAS OF PENETRATION HOLES MUST BE SEALED TO MAINTAIN AT LEAST A NEMA 4 RATING OF THE ENCLOSURE 1 SEE...

Page 68: ...DOOR iCOM SLAVE FRONT VIEW OS400J03 LR LPTD RSDR SDR LOP LQR ESR4 ESR3 CSR4 CSR3 ESR2 ESR1 CSR2 CSR1 SUBPANEL SEE NOTE 1 ETHERNET SWITCH 3 4 11 LOW VOLTAGE TERMINAL STRIP 94 76 75 59 58 56 55 51 50 2...

Page 69: ...T DSE FRONT VIEW SUBPANEL UTILITY BOX 9 9e 9b 9d 9c 9 REAR OF UNIT 9a BOTTOM VIEW 5 127mm 5 127mm 1 25mm 2 51mm SEE NOTE 1 NOTES 1 HOLE CAN BE PLACED ANYWHERE IN THE RECTANGULAR AREA THESE AREAS ARE N...

Page 70: ...N001040_REV4 DRIP PAN CLEANOUT ACCESS LOCATION LIEBERT DSE A DETAIL A Drip Pan Location Drip Pan Location Factory provided Clean Out line can be accessed by removing floor panel next to Compressor com...

Page 71: ...between units for unit removal or evaporator coil replacement See Vertiv representative for adjustment to condenser air flow Shaded area indicates recommended minimum clearance to be provided to remo...

Page 72: ...utlined and approved by the project Structural Engineer of Record 3 Structural floors and housekeeping pads must be designed and approved by the project Structural Engineer of Record to withstand the...

Page 73: ...GRAM LIEBERT DSE Rear of Unit Main Electrical Cabinet Liebert EconoPhase Compressor Compartment Liebert EconoPhase Condenser Electrical Cabinet Condenser Fans Blowers Air Filters Evaporator Coil Conde...

Page 74: ...Data Center 101 2565mm 27 1 2 698mm 31 3 4 805mm 123 1 4 3132mm 11 279mm 66 1 8 1680mm Optional Factory Installed Gravity Damper Optional Factory Installed Gravity Damper not shown for clarity Notes 1...

Page 75: ...001040_REV4 AIRFLOW SCHEMATIC LIEBERT DSE Front of Unit 1 1 2 37mm 2 51mm 2 1 8 54mm 151 7 8 3858mm 31 3 4 805mm Duct Opening Notes 1 Duct Flange supplied by others 2 Perimeter available to attach Ret...

Page 76: ...Vertiv Liebert DSE500 Installer User Guide...

Page 77: ...logos referred to are trade names trademarks or registered trademarks of their respective owners While every precaution has been taken to ensure accuracyand completeness herein Vertiv Co assumes no r...

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