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Vertiv™ |

Liebert® EXM™ UPS 20-100kVA, 50/60Hz User Manual |

18

Figure 7

Single UPS block diagram—Dual input, single source configuration

NOTES
1. Install in accordance with national and local electrical codes.
2. Input and bypass must share the same single source.
3. A neutral is required from the system AC input source. Vertiv
recommends a full-capacity neutral conductor and grounding
conductors.
4. Bypass and rectifier inputs and output cables must be run
in separate conduits.
5. Control wiring must be run in separate conduits.
6. Optional 54-pole 400A distribution panel or two 225A subfeed breakers.
7. Customer must supply a shunt trip breaker with 120V coil. If an optional
Liebert BDC is not present, the shunt trip must be installed to the bypass
and rectifier breakers.

BIB - Bypass Isolation Breaker
MBB - Maintenance Bypass Breaker
MIB - Maintenance Isolation Breaker
* External Overcurrent Protection
by others

Field-Supplied Wiring

Bypass Distribution Cabinet

* Bypass

AC Input

4-Wire + GND

AC Output

208V

4-Wire + GND

* Rectifier

AC Input

4-Wire + GND

BIB

MBB

MIB

Static Bypass

UPS Cabinet

Battery

Optional

Distribution
See Note 6

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Содержание Liebert EXM

Страница 1: ...Liebert EXM UPS User Manual 20kVA to 100kVA 208 120V 50 60Hz...

Страница 2: ...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 materials to be used in...

Страница 3: ...odule Assembly 13 2 8 Static Bypass Assembly 14 3 0 ELECTRICAL CONNECTIONS UPS 15 3 1 Power Cabling 15 3 1 1 Lug Size and Cable Rating 15 3 2 External Protective Devices 16 3 2 1 Rectifier and Bypass...

Страница 4: ...ass 45 6 7 Switching the UPS from Maintenance Bypass to Normal Operation 48 6 8 De Energize Liebert EXM with Maintenance Bypass Cabinet 49 6 9 De Energize Liebert EXM Without Maintenance Bypass Cabine...

Страница 5: ...10 Accessory fuses 21 Figure 11 Dual input back feed breaker wiring when bypass distribution cabinet not used 22 Figure 12 Ground and neutral busbar connections 20 100kVA frame busbars 24 Figure 13 S...

Страница 6: ...ents and terminals Input for single input unit 208V operation 56 Table 16 UPS currents and terminals Input for dual input unit only 208V operation 56 Table 17 UPS currents and terminals Bypass input f...

Страница 7: ...Special safety precautions are required for procedures involving handling installation and maintenance of the UPS system Observe all safety precautions in this manual before handling or installing th...

Страница 8: ...levage et l quilibre des armoires avant de transporter l appareil Maintenez en tout temps l inclinaison verticale minimale Les fentes situ es la base des armoires du module sont con ues pour utiliser...

Страница 9: ...cause injury property damage and death EARTH CONNECTION IS ESSENTIAL BEFORE CONNECTING THE INPUT SUPPLY Earth leakage current exceeds 3 5 mA and is less than 1000 mA Transient and steady state earth l...

Страница 10: ...es La zone entourant le syst me ASC doit tre exempte de flaques d eau d humidit excessive et de d bris Des pr cautions de s curit sp ciales sont requises pour les proc dures associ es la manutention l...

Страница 11: ...it generates uses and radiates radio frequency energy and if not installed and used in accordance with this instruction manual may cause harmful interference to radio communications This unit is not d...

Страница 12: ...electrical shock Indicates caution followed by important instructions AC input AC output Requests the user to consult the manual Indicates the unit contains a valve regulated lead acid battery Recycl...

Страница 13: ...80V or 600V input capability to the Liebert EXM in the optional Liebert BDC Bypass Distribution Cabinet and in the optional Liebert EXM Dual Transformer Cabinet The Liebert EXM provides continuous hig...

Страница 14: ...ately 3 Check the product label on the back of front door and confirm the contents match the UPS model capacity and main parameters that were ordered 2 1 1 Storing the UPS and Batteries for Delayed In...

Страница 15: ...or blow air down onto the unit The UPS requires 24 in 610mm ventilation clearance above the unit See Table 19 for details on heat dissipation 2 4 Considerations in Moving the Liebert EXM Ensure that t...

Страница 16: ...liary terminal blocks and power switches The UPS comes with an Operator Control Panel that provides basic operational status and alarm information The cabinet houses the power components Cooling is pr...

Страница 17: ...the equipment point loading Refer to the bottom view in Figure 1 to design this pedestal 2 5 4 Cable Entry Cables can enter the Liebert EXM from the top or bottom through removable metal plates Some...

Страница 18: ...ections enabling parallel operation of up to three Liebert EXM UPS in applications offering increased capacity and redundant protection 1 1 2 0 2 1 A partial wraparound maintenance bypass for servicin...

Страница 19: ...LED Red Constant Red Auxiliary power failure 15V or 24V rectifier overtemperature rectifier failure including battery SCR short circuit battery converter failure soft start failure main circuit back...

Страница 20: ...ly Figure 5 Static Bypass Assembly connections The Static Bypass Assembly has three Liebert IntelliSlot interface card bays and connections for optional ancillary cabinets and for other options Lieber...

Страница 21: ...ating according to Table 15 Torque Requirements Refer to Tables 3 and 4 for lug size and torque requirements WARNING Risk of electric shock Can cause property damage injury and death Before connecting...

Страница 22: ...evices Any residual current detector RCD installed upstream of the UPS input supply Must be sensitive to DC unidirectional pulses Class A Must be insensitive to transient current pulses and Must have...

Страница 23: ...AC input source Vertiv recommends a full capacity neutral conductor and grounding conductors 4 Bypass and rectifier inputs and output cables must be run in separate conduits 5 Control wiring must be r...

Страница 24: ...ate conduits 5 Control wiring must be run in separate conduits 6 Optional 54 pole 400A distribution panel or two 225A subfeed breakers 7 Customer must supply a shunt trip breaker with 120V coil If an...

Страница 25: ...l Transformer Cabinet is the only approved method for supplying the EXM from two independent sources See SL 25655 for details Both feeds must be protected externally with properly sized protective dev...

Страница 26: ...d directly to the UPS itself When this is the case the UPS output cables can be rated to suit the individual distribution network demands rather than being fully load rated When laying power cables do...

Страница 27: ...e 11 shows the back feed breaker wiring located on the bypass static switch assembly The Liebert EXM does not include internal back feed protection Shunt trip coils of 120V must be installed in the by...

Страница 28: ...eed breaker operation 2 A 120V shunt trip coil is required for proper operation Dual Input Control Wiring Upstream Bypass Input Breaker Upstream System Input Breaker Single Input Control Wiring Backfe...

Страница 29: ...cur AVERTISSEMENT Le non respect des proc dures de mise la terre peut entra ner des risques d lectrocution du personnel ou des risques d incendie en cas de d fectuosit de la mise la terre Toutes les o...

Страница 30: ...d See 7 3 UPS Electrical Characteristics and Table 20 for recommended breaker ratings Overcurrent protection for the battery circuit must be provided by the customer when using an optional External Ba...

Страница 31: ...bypass configuration is used connect the AC input supply cables to the rectifier input terminals A1 B1 C1 N1 and the AC bypass supply cables to the bypass input terminals A2 B2 C2 N1 and tighten the c...

Страница 32: ...nmental parameter input interface User communication for data setting and user background monitor Liebert IntelliSlot interface Temperature detect interface Figure 13 Static bypass assembly connection...

Страница 33: ...ts Figure 15 Input dry contacts J23 J25 J24 J2 J30 RS232 J1 J19 J20 J21 J22 J26 EPO NO P_MON_CAN_L EPO NC 12V 12V 12V_DRV 12V_DRY ENV_DET GEN_MODE 12V_DRY TMP_BATT TMP_BATT_IN P_SER_BUS_H P_SER_BUS_L...

Страница 34: ...GND_DRY Dry Ground 19 MIB_STATUS Maintenance Isolation Breaker Status Open for MIB Closed 21 MBB_STATUS Maintenance Bypass Breaker Status Short for MBB Closed 23 GND_DRY Dry Ground 25 N A 27 UT1_485...

Страница 35: ...eed NO 3 Input Backfeed COM 5 Input Backfeed NC J24 2 Input Abnormal NO 4 Input Abnormal COM 6 Input Abnormal NC J25 1 On Battery NO 3 On Battery COM 5 On Battery NC J25 2 Low Battery NC 4 Low Battery...

Страница 36: ...d Wire should be 20 16AWG stranded for maximum runs between 80 and 200 feet 25 60m respectively Table 7 Battery cabinet interface J22 Pin Name Description 1 12V_DRV BCB driver signal 3 BCB STATUS BCB...

Страница 37: ...d at J2 3 and 4 on the monitor board It also is connected to the Normally Open or Normally Closed remote stop switch between these two terminals using shielded cable see Figure 18 and Table 8 If this...

Страница 38: ...iring diagram Field Supplied Wiring Remote Emergency Power Off Customer Supplied Single Liebert EXM Module Liebert EXM Bypass Module 1 2 3 4 EPO_NC EPO_NO 12V 12V X9_J2 J20 J20 J20 J20 J20 EXM14015 Re...

Страница 39: ...e unit for air exhaust 36 914mm front access required for service No clearance required in rear except when using seismic anchoring allow 5 127mm clearance 2 Keep cabinet within 15 degrees of vertical...

Страница 40: ...0 100kVA unit Replaceable Air Filter Replaceable Air Filter Operator Control Filter Power Modules Bypass Module Input mN Batt N FRONT Door Open RIGHT SIDE Door Open Side Panel Removed Ground Output oN...

Страница 41: ...nput C Output Neutral Output A Output B Output C Ground Rectifier Input B Rectifier Input C Batt N Batt Batt Input Neutral 2 5 64mm 4 Places typical 1 9 48mm 6 Places typical 1 8 46mm 1 8 46mm 3 1 79m...

Страница 42: ...S UNITY LIFE IS UNITY S IS UNITY DP IS UNITY LIFE This standard card is used for communication between the Liebert EXM and Vertiv s Trellis NMS and LIFE services IS UNITY DP This card can be used inst...

Страница 43: ...IS RELAY provides voltage free contact closures for remote monitoring of alarm conditions Delivering On Battery On Bypass Low Battery Summary Alarm UPS Fault and On UPS signals the easy to install ca...

Страница 44: ...if battery is OK 4 Common UPS Fault 5 UPS Fault Closed if UPS fault occurs 6 UPS Fault Closed if no UPS failure 7 Common On Battery 8 On Battery Closed if On Battery power Utility failure 9 On Batter...

Страница 45: ...commons to be tied together The jumpers should be removed if there is any external voltage source that may intentionally or inadvertently be connected to the relay Removing the shunt from any two pin...

Страница 46: ...and out Silencing alarms Turning the UPS On and Off Resetting faults Enabling Energy Saving Mode Scan the QR code at right to obtain a copy of the Touchscreen Control Panel manual WARNING Risk of elec...

Страница 47: ...authorized changes to operational settings Can cause equipment damage The default PIN numbers should be changed immediately to prevent unauthorized personnel from changing UPS operation or even shutti...

Страница 48: ...the bypass is the preferred source If the bypass voltage or frequency becomes outside preset limits the UPS load is transferred back to the inverter Load on Bypass Mode When the Liebert EXM is operati...

Страница 49: ...r by Vertiv Services Power Conditioner Mode When EXM is set to Power Conditioner Mode the battery is disabled in this mode This mode can only be enabled at the factory or by Vertiv Services Maintenanc...

Страница 50: ...am transformer Can cause damage to connected equipment If the UPS is supplying a downstream transformer not provided by Liebert the UPS should be put on maintenance bypass to energize it to mitigate t...

Страница 51: ...n Bypass Mode with the inverter on standby The status bar at the top of the screen will say ENERGY SAVING MODE ACTIVE 6 5 3 Switching Between UPS Operation Modes To switch from Load on Inverter Mode t...

Страница 52: ...t the UPS input refer to Figure 27 For a single source dual input system the bypass isolation breaker BIB can be opened to further isolate the UPS from input power refer to Figure 28 NOTE Pressing Sil...

Страница 53: ...l in accordance with national and local electrical codes 2 Input and bypass must share the same single source 3 Vertiv recommends a grounding conductor 4 Bypass and rectifier input and output cables m...

Страница 54: ...If those conditions are not present there is a risk of a short interruption in powering the load 1 Verify that the Liebert EXM is operating in Load on Bypass Mode 2 Open the Liebert MBC door to gain...

Страница 55: ...capacitors to fully discharge 10 Open the external feeder breaker to the MBC or bypass switchgear 11 Install a Lockout Tagout on the external feeder breaker to the MBC or bypass switchgear 12 Use a di...

Страница 56: ...me single source 3 A neutral is required form the system AC input source Vertiv recommends installing a full capacity neutral conductor and grounding conductors 4 Bypass and rectifier inputs and outpu...

Страница 57: ...switch gear The system is now de energized and its output power supply is Off 6 11 2 Re Energize a Liebert EXM Parallel System Software Version 1 1 To restart a Liebert EXM parallel system from a ful...

Страница 58: ...UPS reaches its end of discharge EOD threshold it will shut down The UPS will automatically restart and enable output power after utility power is restored if Auto Recovery after EOD Enabling is enabl...

Страница 59: ...ide of the Operator Control Panel for longer than 2 seconds after the rectifier has qualified After the EPO button is pressed if the input utility is removed the UPS will shut down completely When inp...

Страница 60: ...ass supply must be fully synchronized during normal operating conditions This is achieved through the inverter control electronics which make the inverter frequency track that of the static bypass sup...

Страница 61: ...0 4 5 Criteria B Harmonics IEC 61000 3 4 Electrical Fast Transient IEC 61000 4 4 Criteria B ESD IEC 61000 4 2 Criteria B FCC Part 15 Class A Radiated Immunity IEC 61000 4 3 Criteria A Conducted Immuni...

Страница 62: ...and terminals Input for dual input unit only 208V operation Unit Rating Nominal Input Current Maximum Input Current OCP Device Rating Bolt Size 75 C Wire Current Total Copper Wire Aluminum Wire 20 59...

Страница 63: ...d THD 5 Full Load Derated operation for reduced input voltage 208V Operation 125 177VAC 220V Operation 132 187VAC Table 21 Battery DC intermediate circuit Parameter 20 100kVA Battery Bus Voltage 288 N...

Страница 64: ...requency Regulation 0 1 single Liebert Power Module Assembly 0 25 five Liebert Power Module Assemblies Voltage Adjustment Range 5 Factory set to 60Hz 50Hz selectable by commissioning engineer Frequenc...

Страница 65: ...Aluminum Two Holes 6AWG 256 030695 868 4AWG 256 030695 733 2 3AWG 54811BE 1AWG 54857BE 1 0AWG 256 30695 593 2 0AWG 54862BE 60238 3 0AWG 54864BE 60244 4 0AWG 54866BE 60250 250kcmil 54868BE 60256 300kc...

Страница 66: ...parts except as authorized by Vertiv Maintain the UPS cabinets free of foreign materials such as solder wire cuttings etc Call Vertiv Services if you are not sure of the procedures to follow or if you...

Страница 67: ...rge lectrique pouvant entra ner des dommages mat riels des blessures et m me la mort Les op rations d entretien requi rent une extr me prudence Soyez toujours conscient du fait que le syst me ASC cont...

Страница 68: ...ERT For customers using Vertiv Services preventive maintenance services periodic inspection of these components is part of this service as well as recommending component replacement intervals to custo...

Страница 69: ...odels have replaceable filter elements behind the grille in the front of the unit This element can be changed with the UPS operating by opening the outer door The Liebert EXM s air filters are washabl...

Страница 70: ...que values for the connections in the UPS and batteries Use these values unless the equipment is labeled otherwise Table 27 Busbars Power wiring Bolt Shaft Size Lb in Nm 1 2 M12 428 48 Table 28 Termin...

Страница 71: ...tored in the Status Reports and can be displayed at the Operator Control Panel or at an optional terminal 8 5 Reporting a Problem If a problem occurs within the UPS review all alarm messages along wit...

Страница 72: ...current technical level the following parts still contain hazardous substances due to the lack of reliable substitute or mature solution 1 All solders in the products contain lead 2 Copper alloy conta...

Страница 73: ...normal Mains frequency is out of limit range and results in rectifier shutdown Check the rectifier s input voltage frequency Rectifier Fault Rectifier Fault Contact Vertiv Services at 800 543 2378 for...

Страница 74: ...assistance Control Power 2 Fail Control Power 2 is abnormal or lost Contact Vertiv Services at 800 543 2378 for assistance Unit Overload The UPS is confirmed to be overload when the load arises above...

Страница 75: ...ttery ground fault Battery ground fault from dry contact signal Contact Vertiv Services at 800 543 2378 for assistance Inverter turned On manually Manual Turn On via front panel Inverter turned Off ma...

Страница 76: ...d is registered following an incorrect operation Byp Abnormal Shutdown Both bypass and inverter voltages unavailable Load interruption Mains Neutral Lost AC Input mains reference neutral not detected...

Страница 77: ......

Страница 78: ...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 Vertiv assumes no...

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