Liebert® PPC™ - Emerson Network Power
Contents
1. For top exit this clearance is 18 in 460mm Recommended minimum service clearances are shown in Figure 1 150 to 480kVA units and Figure 2 800kVA units The indicated clearance at the front of the unit 1s required for service access by the National Electrical Code NEC Article 110 26 Clearance above the unit 1s required for cooling air flow exhaust Heat Output Like any electrical device the Liebert PPC produces heat under normal operation Include this heat output see Table 2 when calculating the environmental conditions of the room Table 2 Heat output Standard transformer including distribution section CA w w 430 26 511 T 11 800 41 388 12 13 Figure 1 Recommended minimum service and ventilation clearances for 150 to 430kVA units 18 in 460mm Minimum clearance above unit for cooling air flow Areas shaded gray Recommended indicate access additional access clearance of 42 in at right 1067mm required at front NOTE Service access clearance dimensions 42 in 1067mm 12 in 305mm Minimum clearance below unit for bottom cable exit Liebert PPC 4 Installation Instructions Figure 2 Recommended minimum service and ventilation clearances for 800kVA units 18 in 460mm Minimum clearance above unit for cooling air flow Recommended additional access at left 12 in 305mm Recommended Minimum additional access clearance at right Areas shaded gra2. 2 2 Internal Inspection Procedure when performing detailed inspection Internal Inspection Procedure A WARNING Risk of electric shock and arc flash Can cause equipment damage injury and death All equipment inspection procedures are to be performed with power to the unit turned off and locked out EXTERIOR INSPECTION Confirm that the exterior of the unit 1s undamaged Confirm that service and ventilation clearances are adequate see Figures 1 and 2 INTERIOR INSPECTION Remove accessible exterior panels NOTE When removing exterior panels disconnect panel ground wires by separating the easy disconnect terminals located on the frame When replacing exterior panels reconnect all panel ground wires Inspect all wire and conductor insulation for damage Check all transformer terminal connections for tightness Retorque if necessary Check all breaker connections for tightness Retorque if necessary Check all terminal block connections for tightness Retorque if necessary Check transformer mounting bolts for tightness Retorque if necessary Remove any foreign objects from the components and the interior area of the unit Make sure air passages on transformers are clear and free of debris 10 Check that the intake and exhaust air screens are clean and free of obstructions ___ 11 Replace side panels leaving access to circuit breakers for the following startup procedure NOTE When replacing the side panels be
3. F4 can select Branch Breakers at the top level or provide a Back function at lower levels Pressing the Back key F4 navigates to the top level Main except from the Help screen From the Help screen the Back key navigates to the previous screen Pressing the Help key navigates to the Help screen All alarm thresholds for monitored parameters are adjustable by way of the LDMF DB 9 setup port to match site requirements All alarms are stored in non volatile memory to protect against erasure by a power outage Alarms must be reset manually after the alarm condition has been corrected Alarms may be reset by pushing the Silence Reset button on the display or through the remote monitoring system if used The Liebert LDMF monitors and displays the following parameters for the panelboard main circuit breaker each branch circuit breaker and subfeed circuit breakers if supplied and monitored e Phase Current e Percent Load gt kW e kW Hours 25 Liebert PPC Operating Instructions The following metering parameters may be displayed e Voltage Line to Line Voltage Line to Neutral e Neutral Current Ground Current kVA e Power Factor e Voltage Total Harmonic Distortion THD e Current Total Harmonic Distortion THD e Crest Factor Circuit identification and status of each breaker may be displayed The Liebert LDMF detects and annunciates by alarm message the following conditions e Overvoltage e Undervolta
4. Figure 11 Acceptable hardware configurations for torque specifications See Table 8 Bolt roo Washer Zo Flat Washer A 3 rat Washer LZ asher WS Nut 15 Liebert PPC 2 4 10 Inspection and Startup Checklist Startup Procedure A WARNING Risk of electric shock and arc flash Can cause equipment damage injury and death Startup procedures should be performed only by qualified personnel Hazardous voltages are present in the equipment throughout the majority of the startup procedure Use proper safety equipment Proceed with caution Make certain that all circuit breakers are in the Off position and that power to the unit is locked out Verify proper input power connections to unit including equipment grounding conductor and local erounding electrode conductor Turn On the building input power to the unit Check the phase rotation at the main input breaker Phase rotation should be A B C left to right Check and record the input voltage at the main input breaker Measured voltages should correspond to the unit s nameplate input voltage Volts phase A to phase B Volts phase B to phase C Volts phase C to phase A Turn On the main input breaker wait one minute If breaker trips Off check for wiring errors including control connections Contact Liebert Services or the location factory representative for assistance Check the phase rotation at the line side terminals of the panelboard or panelbo
5. Input Voltage Line to Line for all three phases System Ground Current e Output Voltages Line to Line for all three phases e Output Frequency e Output Voltages Line to Neutral for all three phases e Output kVA e Output Voltage Total Harmonic Distortion THD for all three phases Output kW e Output Current for all three phases e Output Power Factor e Output Current Total Harmonic Distortion THD for all three phases Output kW Hours e Output Current Crest Factor Peak RMS for all three phases e Percent Load e Output Current Harmonic K Factor for all three phases e Date e Output Neutral Current Time 21 Liebert PPC Operating Instructions The VPMP detects and annunciates by alarm message the following conditions e Output Overvoltage e Output Undervoltage e Output Overcurrent e Neutral Overcurrent e Ground Overcurrent e Output Voltage Distortion e Frequency Deviation e Phase Sequence Error e Phase Loss Transformer Overtemperature All alarm thresholds for monitored parameters are adjustable by way of the VPMP DB 9 setup port to match site requirements The factory setpoints for the alarms are as follows e Output Overvoltage voltage exceeds 6 of nominal e Output Undervoltage voltage falls below 13 of nominal e Output Overcurrent current exceeds 95 of full load amps Neutral Overcurrent current exceeds 95 of full load amps Ground Overcurrent current exceeds 10 amps 150 225kVA 15 am
6. Liebert PPC 22 3 4 Operating Instructions Liebert Current Plus Monitoring If Supplied Liebert Current Plus Monitoring Liebert CPM provides the current and voltage of each panelboard main circuit breaker These measurements are used for reporting the average RMS current power and other parameters The Liebert CPM detects and annunciates alarm messages and status conditions for each panelboard main circuit breaker The monitored parameters and alarms appear on the local display and are available for communication to a customer or Liebert monitoring system The Liebert CPM includes a monochrome LCD power and alarm LEDs an audible alarm and alarm silence and Emergency Power Off push buttons mounted on the front door Display Controls and Indicators Power Indicator Green LED illuminates when power has been applied to the Liebert power product Alarm Status Indicator Red LED illuminates when the Liebert CPM detects an alarm The LED will remain illuminated until the alarm condition is cleared e Audible Alarm speaker represented by the speaker symbol a speaker behind the bezel will sound when the Liebert CPM records an alarm condition Silence Reset Push Button Press and release the Silence Reset button to silence the audible alarm Press and hold the button to clear the alarm and turn off the red alarm indicator LED If the alarm condition still exists the alarm will be annunciated again Emergency Power O
7. and 75 of rated capacity This allows the addition of future loads without immediately investing in another power conditioner The high partial load efficiency of the unit permits such sizing without imposing an energy use penalty during initial operation Keep the load balanced Balancing of loads is good design practice on any three phase system Accordingly each distribution panel is load balanced at the factory based on output branch circuit breaker sizes All additions to the system should be arranged to preserve this balance Liebert PPC 10 Installation Instructions Figure 8 Typical Liebert PPC grounding arrangement Liebert PPC r e ee Service Entrance No an l Output Signal Reference Grid Service Entrance If Used Grounding Electrode E System Local Grounding Electrode Conductor gt os Per NEC 250 30 a SS AS AS A WARNING Risk of electric shock and arc flash Can cause equipment damage injury and death Verify that incoming line voltage circuits are de energized and locked out before installing output breakers and cables Code compliance All output cables and connections must comply with the NEC and all other applicable codes Padlock off provisions All output breakers that are hard wired to the load equipment must be equipped with a padlock off accessory for the output circuit breaker The padlock off accessory 1s used to lock out and tag the circuit breaker when service is
8. a Open the main input circuit breaker b Select tap arrangement to match input voltage Refer to transformer nameplate for tap information c Secure each line to its proper tap d Repeat Steps 6 to 8 Depress the local Emergency Power Off EPO switch and verify system shutdown Turn the unit back on If the system is equipped with any Remote Emergency Power Off REPO switches test each to ensure proper operation Note that the REPO switch may shut down more equipment or systems than just the Liebert PPC Liebert PPC 16 2 5 2 6 Inspection and Startup Checklist Monitoring System Check Basic Indicators a Turn On the building power to the unit then turn the main input breaker On b Check that the Power Indicator Green LED next to the local display is illuminated Manual Restart Check if the unit is equipped with manual restart a Turn on building power to the unit Turn the main input breaker On b Turn off all building power to the unit c Observe that the main input breaker automatically trips open upon power loss d Restore building power to the unit and return the main input breaker to On Power Monitor Panel a Turn the unit On b Ensure that the voltage values indicated by the Monitor Panel correspond to the voltage values measured at the main input circuit breaker Step 5 in 2 4 Startup Procedure and output circuit breaker Step 8 in 2 4 Startup Procedure Centralized Monitoring System
9. and rear panels from the module An Allen wrench for the side panels 1s furnished in the installation packet Carefully disconnect panel ground wires by pulling the easy disconnect terminals at the unit frame Remove the bolts holding the unit to the shipping pallet in each of the four bottom corners Remove shipping blocks from under the unit then remove chocks from all casters Lift the unit off the pallet and set it on the floor Roll the unit to the installation location For units located on a raised floor use care when positioning the unit over the floor cutout to avoid casters falling through the cutout NOTE Before maneuvering the unit into its final position read and follow all advisories in the following section 1 1 4 Location Considerations 3 Liebert PPC Installation Instructions 1 1 4 Location Considerations The Liebert PPC should be installed as close to the load s it is supplying The unit should not be located over combustible surfaces Equipment location should employ the shortest output distribution cable runs consistent with logical equipment arrangement and allowances for future additions Operating Environment Ambient temperatures of 32 F to 104 F 0 C to 40 C with a relative humidity of 0 to 95 non condensing Top or Bottom Clearance is required for exit of cables and conduit For bottom exit this clearance is automatically provided by a raised floor minimum height 12 in 305mm
10. corrected the alarm will automatically reset See Figure 10 for remote summary alarm and Remote Emergency Power Off switch connections Figure 13 Monitor panel layout Emergency Power Power Off EPO Indicator EM ERSON Push Button Green Network Power Alarm Status Indicator Red Alarm nue Silence Reset Aarm push button epeanel LCD viewing area Navigation keys Liebert PPC 20 3 3 Operating Instructions Power Monitor Panel Liebert Power Monitor Panel with Velocity protocol VPMP provides input voltage output current and voltage and other power parameters and will detect and annunciate alarm messages The monitored parameters and alarms will be displayed on the local display and be available for communication to a customer or Liebert monitoring system The VPMP includes a monochrome Liquid Crystal Display LCD power and alarm LEDs an audible alarm and alarm silence and Emergency Power Off push buttons mounted on the front door Display Controls and Indicators Power Indicator Green LED illuminates when power has been applied to the Liebert power product e Alarm Status Indicator Red LED illuminates when the VPMP detects an alarm The LED will remain illuminated until the alarm condition is cleared e Audible Alarm speaker represented by the speaker symbol a speaker behind the bezel will sound when the Liebert VPMP records an alarm condition Silence Reset Push Button Press and release
11. if the unit is connected to a centralized monitoring system a Turn the unit and centralized monitoring system On b Verify proper communication to the monitor system operation Control Voltage a Obtain access to the low voltage terminals in the low voltage control section inside the unit b With the unit On measure and record the DC control voltage on terminals 1 and 3 com c Control voltage Voltage should be between 20 and 28VDC Customer Alarms a With the unit On simulate alarm operation by jumpering the appropriate low voltage control terminals Refer to the control wiring installation drawing furnished with the unit b Verify correct alarm operation by the Power Monitor Panel and or by the centralized monitoring system Send Completed Checklist to Emerson Network Power After performing all procedures described in this section 2 0 Inspection and Startup Checklist sign date and return the completed Inspection and Startup Checklist form furnished with the unit to Emerson Network Power 1050 Dearborn Drive P O Box 29186 Columbus Ohio 43229 USA NOTE Warranty is not in effect unless the Inspection and Startup Checklist form is received by the factory 17 Liebert PPC 3 0 3 1 3 1 1 Operating Instructions OPERATING INSTRUCTIONS Startup Procedures Before the unit 1s placed into service after initial installation after equipment relocation or after equipment has been de energized fo
12. minimum input wire size data for OCPD 0 0 0 0 0 eee 9 Torque specifications unless otherwise labeled o oooooooooooomomo ee es 15 fi IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS NOTE Read the entire manual before installing or operating the system A WARNING Risk of cutting metal bands under tension Can cause injury and death The shipping bands may be under tension Use appropriate eye face and hand protection to safeguard against injury from band backlash A WARNING Risk of electric shock and arc flash Can cause equipment damage injury and death Verify that all incoming line voltage power and low voltage control circuits are de energized and locked out before installing cables or making connections whether in the junction box or in the unit Equipment inspection and startup should be performed only by trained personnel Lethal voltages are present during startup procedures Electrical safety precautions must be followed throughout inspection and startup Only qualified service personnel should perform maintenance on the Liebert PPC All voltage sources to the unit must be disconnected before inspecting or cleaning within the cabinet Lethal voltages exist within the equipment during operation Observe all warnings and cautions in this manual Failure to comply may result in serious injury or death Obtain qualified service for this equipment as instructed The monitorin
13. of 43 x 30 in 1092 x 762mm and should be mounted on each side on the transformer section Provide a floor cutout for exit of output cables as shown in Figures 4 5 and 5 Align the distribution side section with the transformer section and bolt the two frames together using the four bolts and hardware provided See Figure 2 for 800kVA units 800kVA units ship with a left side panel on the left distribution section and a right side panel on the right side distribution section The transformer section ships without side panels After electrical connections are completed re install the side panels on the distribution section enclosures Liebert PPC 6 Installation Instructions Figure 6 150 430kVA Liebert PPC single line diagram 7 _ E ee 7 7 l Isolation Transformer l See l Line Panelboard MIB Note 3 See Note 1 POS NY pl SHH Le S7 Los Input Output Spike Lighting Surge L Suppression Arrestor Opt gt 4 Module Opt yi es ee e i pale ee re era Transformer Section Distribution Section Notes 1 A maximum of 11 250A frame or eight 400A LA frame n or Six 600A LI frame output breakers can 3 Phase 3 Wire G be installed in an l Line panelboard See Note 2 2 Input is through the distribution section to the transformer section Input cables can be either through top or bottom of the distribution section 3 150kVA 600A 200kVA 700A 225kVA 800A 300kVA 1
14. safely carry the system s full load current including losses Input feeder conductors should be sized for no more than 2 voltage drop If operation at undervoltage conditions for extended periods of time is desired the input feeders must be oversized Typical conductor size data is shown in Table 7 All connections must comply with the NEC and all other applicable codes The main input feeder should consist of three phase conductors and one safety ground conductor 3W G Table 7 AIC and suggested minimum input wire size data for OCPD vote wva FEA OCPD WreSex AWG ta Voltage kVA FLA OCPD Wire Size AWG kAIC 430 528 700 soom 65 600 087 1200 soomi 65 150 148 20 wm 2s 200 197 260 250Komi 25 490 422 60 950kemi 25 FLA Full Load Amps of Liebert PPC OCPD Overcurrent Protection Device inside Liebert PPC Wire sizes based on NEC Table 310 16 using 75 C copper conductor Parallel feeders per NEC Sections 300 3 and 310 4 NOTES 1 Main input power feeder should be a dedicated feeder direct from service entrance or other power source if possible 2 Ground conductors recommended to be insulated conductors run with power conductors for increased system performance Ground conductor minimum size per NEC Table 250 122 Input power feeder conduit may be used as the safety ground conductor When conduit is used adequate electrical continuity must be maintained at conduit c
15. sure to reconnect the panel ground wires Liebert PPC 14 2 3 Inspection and Startup Checklist Startup and Monitoring System Check Overview Checklists Follow the detailed step by step instructions in the following two sections when installing and starting up the Liebert PPC 2 4 Startup Procedure 2 5 Monitoring System Check Initial system startup A qualified electrician should be employed to perform the equipment inspection and startup Liebert system startup may be arranged by contacting your local Emerson sales representative or Emerson Network Power Liebert Services at 1 800 543 2378 Warranty A copy of the checklist furnished with the unit must be completed signed dated and returned to Emerson see Section 2 6 Warranty coverage of the equipment is not effective unless the checklist 1s received by the factory A WARNING Risk of electric shock and arc flash Can cause equipment damage injury and death Equipment inspection and startup should be performed only by trained personnel wearing appropriate safety headgear gloves and shoes Hazardous voltages are present during startup procedures Electrical safety precautions must be followed throughout inspection and startup Table 8 Torque specifications unless otherwise labeled Nut and Bolt Combinations Electrical Con Electrical Connections With 1 Bellevil 2 Belleville Washers Bolt Shaft nections With le Washer 1 4 M6 40 5 16 M8 1 2 M12
16. units 4 Recommended minimum service and ventilation clearances for SOOKVA units 5 Footprint and floor cutout dimensions for Transformer Section 150 to 430kVA units 5 Footprint and floor cutout dimensions for Transformer Section 800kVA units 6 Footprint and floor cutout dimensions for Distribution Sections 150 800kVA units 6 150 430kVA Liebert PPC single line diagram ccc eee eee T 800kVA Liebert PPC single line diagrama 8 Typical Liebert PPC grounding arrangement 0 0 0 ccc eee eee ens 11 Simpliticd sautdo wn cercas bate Se eed A ada aos 12 Typical control wiring for power monitoring 0 ee ee eee eens 13 Acceptable hardware configurations for torque specifications 0 00 0 ce ee eee ees 15 Liebert PPC with doors open 150 200 225 and 300KkVA units 0 0 00 000008 19 Monitor panela vOU E ics 4 A AAA a ae Sache AA Ad 20 TABLES L50 S00KV A Liebert PPC dimensions 45 ii A AAA RA LAA a a 3 Heat output Standard transformer including distribution section o o o o o o 4 Suggested minimum input wire size 150 to 430KkVA Liebert PPC o o ooooooooo oo T 250A to 700A MIB 150 430kVA Liebert PPC 0 0 0 ce ce ee ee eee 7 Suggested minimum input wire size 800kVA Liebert PPC 0 00 0 000 ce ee 8 1000A to 1200A MIB 800KVA Liebert PPC 8 AIC and suggested
17. 200A 430kVA 1200A 800kVA 1400A Table 3 Suggested minimum alli wire size 150 to 430kVA Liebert PPC eee A kVA i a Feeder Wire Size 250kcmil Je ns erea w eo 247 o ow eo 187 0 o 278 o orowe eo 2227300 sso so a9 60 EIC 2o a e0 2 950 Ker o as 430 o0 asok aso 2 s0 2 250 ker ee a Ceo 828 METIA eo 422 000 erasoko Table 4 250A to 700A MIB 150 430kVA Liebert PPC Interrupting Rating 380 480V 600V Standard 100KA 7 Liebert PPC Installation Instructions Figure 7 800kVA Liebert PPC single line diagram ISOLATION SQ D I LINE PANELBOARD TRANSFORMER NOS AAA INPUT lt Q 3 PHASE SQ D I LINE PANELBOARD 3 WIRE G l OS LIGHTING SURGE es ee SUPPRESSION ARRESTOR MODULE OPT OPT a a NOTES 1 The maximum number of output breakers that can be installed in an I Line panelboard is 2 1 2 2 Eleven 11 250A frame or Eight 8 400A LA frame or e Six 6 600A LI frame Input cables can enter through either the top or the bottom of the transformer section Table 5 Suggested minimum input wire size 800kVA Liebert PPC Full MIB Suggested Input Load Trip Feeder kVA Voltage Amps Amps Wire Size 600 785 1000 4 350 komi Table 6 1000A to 1200A MIB 800kVA Liebert PPC Interrupting Rating Side Section Electrical Connections Five conductors three phase conductor
18. AC Power For Business Critical Continuity Liebert PPC Second Generation Power and Distribution Cabinet User Manual 150 200 225 300 430 amp 800kVA PDU for Two Stage Distribution Three Phase 60 Hz 4 EMERSON Network Power IMPORTANT SAFETY INSTRUCTIONS 0000 e eee ee ees 1 SAVE THESE INSTRUCTIONS 0 0 0 cee ee ees 1 1 0 INSTALLATION INSTRUCTIONS iria da ADO A 2 1 1 Unpacking and Installation aora aida isa Dita 2 1 1 1 Unpacking and Preliminary Inspection ccc ee ee eens 2 tliz Handlne Comsiderations sas dara lab ada ar a dn db ee 2 kks Wnt Preparavionvs iweiitacts kas Id eee ida 3 Liar Location Consideras ai dw ete tee eae er er woh we we OO we bid 4 1 2 Power and Control WII isa a A A AS AAA aS 6 1 2 1 Distribution Section Mounting and Wiring ee eens 6 1 2 2 Side Section Electrical Connections ee ee eee eee e eee 8 L23 lmputsPower Connections ss x eanet ard ow E i an a ee a a a 9 L24 System ronda ad da bp btu a ee ee Ged 10 12 5 Grotinding Electfode Conductor asian 644 08 db654 SR OSE SERS a 10 12 0 Output Power Connections tits Sesh d Sobek a A Sw Se Re ea ae 10 127 Control Wirine Connections 4 2c gieot pete Wasi decoy Gwe eee rs aude ewe tees 12 2 0 INSPECTION AND STARTUP CHECKLIST 000 eee eee es 14 21 Internal Inspection Overview 14 2 2 Internal Inspection Procedure ce cc ee ee eee ee eee eee ee ees 14 20 Startup a
19. ard main breaker s The rotation should be A B C left to right Check and record the voltages at the line side terminals of the output circuit breaker Measured voltages should correspond to the unit s nameplate output voltage within 4 0 Volts phase A to phase B Volts phase B to phase C Volts phase C to phase A Volts phase A to neutral Volts phase B to neutral Volts phase C to neutral If output voltage is incorrect check for wiring errors incorrect input voltage or improper transformer tap Contact Liebert Services at 1 800 543 2378 or your local Emerson representative for assistance NOTE The Liebert PPC transformer has input voltage taps for each input phase e For 150 to 8300kVA units the taps are arranged in 2 1 2 increments Taps include two above nominal voltage upper range limit of 5 and four below nominal voltage lower range limit of 10 e For 480kVA units the taps are arranged in 3 increments Taps include two above nominal voltage upper range limit of 6 and three below nominal voltage lower range limit of 9 e For SOORVA units the taps are arranged in 4 increments Taps include two above nominal voltage upper range limit of 8 and two below nominal voltage lower range limit of 8 This permits the transformer to provide the proper output voltage for a range of input voltages Should it be necessary the tap arrangement may be changed to match the input voltage
20. cause equipment damage injury and death Verify that all incoming high voltage power and low voltage control circuits are de energized and locked out before installing cables or making connections in the unit Figure 9 Simplified shutdown circuit Remote Liebert PPC i HNN 24 VDC Devices 24 VDC Main Source Input Breaker Shunt Trip Switch Overtemp OP Building Interface E i i n D O D Relay Liebert PPC 12 Installation Instructions Figure 10 Typical control wiring for power monitoring Remove jumper when Normally Closed N C REPO is used Building Interface Relay Remove jumper when 5th customer alarm is used NOTES Green White Pye N O REPO Summary Alarm Common Black _ Summary Alarm NC To Liebert SiteScan gets ae System O XINO LOISITTALNI OL Ld R3 R2R4 R10 000 0R5 p3g Auto Manual Restart Switch K1 P2 V E y ai 24 TB2 V Pa O R7 BARCODE LDM13009 Rev 1 1 All switching devices are to be suitable for switching low current 24VDC Minimum recommended wire size is 18 AWG stranded copper with 300V insulation All wiring and devices are field supplied except where noted See installation manual for detailed installation procedures 2 The total load on the 24VDC supply both N O and N C REPO circuits must be limited to 1A 3 Multiple normally open N O REPO switc
21. ces To contact Liebert Services for information or repair service call 1 800 543 2378 Preventive Maintenance Inspection amp Cleaning Air circulation through the cabinet may cause dust to accumulate on internal components Cleaning should be done as necessary during electrical inspections Annual general system inspections cleaning and operation checks are recommended to ensure system performance and long service life A WARNING Risk of electric shock and arc flash Can cause equipment damage injury and death Only qualified service personnel should perform maintenance on the Liebert PPC All voltage sources to the unit must be disconnected before inspecting or cleaning within the cabinet Inspection Schedule It is difficult to establish a schedule for periodic cleanings since conditions vary from site to site Inspections after the first 24 hours 30 days and 6 months of operation should help determine a pattern for the inspection schedule e Electrical connections and component mountings should be inspected after the first 24 hours 30 days and 6 months of operation Inspections should be conducted annually thereafter e Ventilation openings and grilles should be inspected and cleaned every six months to one year A complete inspection and operational checkout should be performed annually This is best done by performing the inspection and startup procedures outlined in 2 0 Inspection and Startup Checklist e Lieb
22. communication to a customer or Liebert monitoring system The Liebert LDMF Gf supplied includes a monochrome LCD power and alarm LEDs an audible alarm and alarm silence and Emergency Power Off push buttons mounted on the front door Display Controls and Indicators Power Indicator Green LED illuminates when power has been applied to the Liebert power product e Alarm Status Indicator Red LED illuminates when the Liebert LDMF detects an alarm The LED will remain illuminated until the alarm condition is cleared Audible Alarm speaker represented by the speaker symbol a speaker behind the bezel will sound when the Liebert LDMF records an alarm condition Silence Reset Push Button Press and release the Silence Reset button to silence the audible alarm Press and hold the button to clear the alarm and turn off the red alarm indicator LED If the alarm condition still exists the alarm will be annunciated again Emergency Power Off KPO Push Button pressing the EPO button shunt trips the input circuit breaker to turn the unit off e LCD displays power parameters and alarm data e Navigation keys soft function keys F1 through F4 and Help e Fl selects the next Main Breaker Next Subfeed or Next Branch e F2 is the Sequence key It selects the next set of items at the current level or the next item on a list e F3 can select Subfeed 1f supplied and monitored at the top level or a menu item at a lower level
23. ector is supplied for customer connection to Ethernet LAN e IS 485S Card Provides Modbus 485 output A terminal strip is provided for 2 wire connection IS IPBMS Card Provides Modbus IP output An RJ 45 connector is supplied for customer connection Up to three cards can be plugged into the Liebert IntelliSlot ports provided with the Liebert LDMF system If communication to Liebert SiteScan is required customer connection can be made to the adapter board RS 485 terminals on TB1 see Figure 10 for details The adapter board is located on top of the monitoring enclosure Liebert PPC 26 4 0 4 1 4 2 4 2 1 Maintenance MAINTENANCE Corrective Maintenance Repair Even the most reliable equipment may fail Contact Emerson Network Power Liebert Services for fast repair of your unit and minimum downtime of your installation A WARNING Risk of electric shock and arc flash Can cause equipment damage injury and death Only qualified service personnel should perform maintenance on the Liebert PPC Standard electrical troubleshooting procedures should be used to isolate problems in the unit If there are questions contact Liebert Services Repair or replacement of standard items such as circuit breakers fuses transformers capacitors and indicator lights can be either handled by qualified electricians or referred to Liebert Services Repairs related to the monitoring system should be referred to Liebert Servi
24. er from the unit turn Off the building power to the unit s input breaker Liebert PPC 18 Operating Instructions 3 1 3 Normal System Startup Make certain all unit circuit breakers are in the Off position All unit circuit breakers are located behind the front doors as shown in Figure 12 Turn On building power to the unit Turn On the unit s main input circuit breaker If the circuit breaker has been tripped Off instead of being turned Off the circuit breaker handle must be moved to the Off position before being turned On e If the unit has a voltage monitoring panel verify proper output voltages before turning On output circuit breakers Turn On the panelboard main breakers Individually turn On each output circuit breaker following the load equipment manufacturer s startup sequence Figure 12 Liebert PPC with doors open 150 200 225 and 300kVA units 3 1 4 Manual Restart If the unit s manual restart feature has been selected the unit s main input circuit breaker will be tripped by a power outage preventing repetitive application of unstable voltage and allowing for an orderly system restart If the main input circuit breaker is tripped by a power outage follow the instructions in 3 1 3 Normal System Startup after power 1s restored 19 Liebert PPC 3 2 Operating Instructions Basic Monitor Panel Basic Monitoring provides transformer overtemperature alarm transformer overtemperature shutdo
25. ert Services offers a complete range of preventive maintenance services These include thorough equipment performance checks and calibration of electronics Contact Liebert Services at 1 800 543 2378 for details 27 Liebert PPC Ensuring The High Availability Of Mission Critical Data And Applications Emerson Network Power a business of Emerson NYSE EMR is the global leader in enabling Business Critical Continuity from grid to chip for telecommunication networks data centers health care and industrial facilities Emerson Network Power provides innovative solutions and expertise in areas including AC and DC power and precision cooling systems embedded computing and power integrated racks and enclosures power switching and controls infrastructure management and connectivity All solutions are supported globally by local Emerson Network Power service technicians Liebert AC power precision cooling and monitoring products and services from Emerson Network Power deliver Efficiency Without Compromise by helping customers optimize their data center infrastructure to reduce costs and deliver high availability While every precaution has been taken to ensure the accuracy and completeness of this literature Liebert Corporation assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions 2010 Liebert Corporation All rights reserved throughout the w
26. ff EPO Push Button pressing the EPO button shunt trips the input circuit breaker to turn the unit off e LCD displays power parameters and alarm data e Navigation keys soft function keys F1 through F4 and Help e Fl selects the next Main Breaker e F2 is the Sequence key It selects the next set of items at the current level or the next item on a list e F3 can select a menu item e F4 can provide a Back function at lower levels Pressing the Back key F4 navigates to the top level Main except from the Help screen From the Help screen the Back key navigates to the previous screen Pressing the Help key navigates to the Help screen All alarm thresholds for monitored parameters are adjustable by way of the DB 9 setup port to match site requirements All alarms are stored in non volatile memory to protect against erasure by a power outage Alarms must be reset manually after the alarm condition has been corrected Alarms may be reset by pushing the Silence Reset button on the display or through the remote monitoring system if used The Liebert CMP monitors and displays the following parameters for the panelboard main circuit breaker e Phase Current e Percent Load gt kW e kW Hours 23 Liebert PPC Operating Instructions The following metering parameters may be displayed e Voltage Line to Line Voltage Line to Neutral e Neutral Current Ground Current kVA e Power Factor e Voltage Total Har
27. g system contains a lithium battery for memory backup Danger of explosion if battery is incorrectly replaced Replace only with same or equivalent type Dispose of used batteries according to manufacturer s instructions NOTE The unit should not be loosened from the shipping pallet until after all handling by forklift or pallet jack is completed All power and control wiring should be installed by licensed electricians and must comply with the NEC and applicable codes ELECTROMAGNETIC COMPATIBILITY tThe Liebert PPC complies with the limits for a Class A Digital Device pursuant to Part 15 of FCC rules Operation is subject to the following two conditions e This device may not cause harmful interference and e This device must accept any interference received including interference that may cause undesired operation Operating this device in a residential area is likely to cause harmful interference that users must correct at their own expense The Liebert PPC complies with the requirements of EMC Directive 2004 108 EC and the published technical standards Continued compliance requires installation in accordance with these instructions and use of accessories approved by Emerson Network Power 1 Liebert PPC 1 0 1 1 Installation Instructions INSTALLATION INSTRUCTIONS Unpacking and Installation NOTE Read the entire manual before installing and operating the system Upon receipt of a Liebert PPC the installer s
28. ge e Neutral Overcurrent e Ground Overcurrent e Phase Overcurrent e Phase Overcurrent Warning Summary Alarm All alarm thresholds for monitored parameters are adjustable by way of the LDMF DB 9 setup port to match site requirements The factory setpoints for the alarms are e Overvoltage at least one of the line to line voltages exceeds 6 of nominal e Undervoltage at least one of the line to line or line to neutral voltages falls below 13 of nominal e Phase Overcurrent Warning current exceeds 75 of breaker amps e Phase Overcurrent current exceeds 80 of breaker amps e Neutral Current current exceeds 95 of breaker amps Ground Current current exceeds 10A 150 225 kVA 15A 800kVA 20A 480kVA 25A SO0KVA Summary Alarm Summary Alarm detects and annunciates any alarm Summary Alarm Contacts The LDMF has a Form C one NO and one NC summary alarm contacts for remote alarm status The contacts are rated at 24VAC 1A The contacts change state upon occurrence of any alarm including warnings and resets when the alarm is cleared Summary alarm contacts are located on the adapter board The adapter board is located on top of the monitoring enclosure See Figure 10 for details Communication Liebert IntelliSlot cards provide customer connections to a Building Management System BMS or Remote Monitoring Systems The following cards are available e IS WEBS Card Provides SNMP WEB output An RJ 45 conn
29. hes may be paralleled multiple normally closed N C REPO switches may be connected in series All lamps if used are connected in parallel 4 The summary alarm contacts are rated for 0 to 30VAC or VDC 0 5A 10W maximum 5 Customer alarms 1 through 4 are normally open indicates alarm on contact closure Customer alarm 5 is normally closed indicates alarm on contact opening 6 For Liebert SiteScan connection use 22AWG shielded cable maximum distance 1000ft 300m 13 Liebert PPC 2 0 2 1 2 2 Inspection and Startup Checklist INSPECTION AND STARTUP CHECKLIST Unit Serial Number Unit Model Number Date Internal Inspection Overview A detailed internal inspection should be performed after the unit is in place and before it is energized to ensure trouble free startup The same internal inspection should be carried out when performing preventive maintenance A WARNING Verify that all incoming power and control circuits are de energized and locked out before performing the internal inspection Open the unit Remove the exterior panels to gain access to the internal components of the Liebert PPC e Visually inspect Check to make sure wiring and components are not damaged e Check power connections Check all power connections for tightness Refer to Table 8 for torque requirements of all electrical connections Perform formal detailed inspection Follow the procedures described in the next section
30. hould perform the following steps to ensure a quality installation Unpacking and Preliminary Inspection A quality installation begins on the receiving dock 1 Inspect the shipping crate s for damage or signs of mishandling before unpacking the unit s Check Shock Watch indicator 2 Open the shipping crates carefully Use care to avoid puncturing the container with sharp objects that would damage the contents 3 Remove the packing and vapor barriers and inspect the equipment for any obvious shipping damages NOTE The units should not be loosened from the shipping pallet until after all handling by forklift or pallet jack is completed Complete internal inspection should be accomplished only after equipment positioning and prior to electrical hookup If any damage as a result of shipping is observed immediately file a damage claim with the shipping agency and forward a copy to Liebert Corp 1050 Dearborn Drive P O Box 29186 Columbus Ohio 43229 USA Handling Considerations The Liebert PPC is bolted to a wooden pallet to allow handling by forklift equipment Easily moved The Liebert PPC is furnished with casters to allow the unit to be rolled into place after it has been unbolted from the pallet e Check size and weight Refer to Table 1 and the cabinet drawings furnished with the unit for size and weight information e Plan the route Decide the best route for the unit to follow to the installation area to ensure
31. k Power logo are trademarks of Emerson Electric Co or one of its affiliated companies 2010 Emerson Electric Co
32. monic Distortion THD e Current Total Harmonic Distortion THD e Crest Factor Circuit identification and status of each breaker may be displayed The Liebert CPM detects and annunciates by alarm message the following conditions e Overvoltage e Undervoltage e Neutral Overcurrent e Ground Overcurrent e Phase Overcurrent e Phase Overcurrent Warning Summary Alarm All alarm thresholds for monitored parameters are adjustable by way of the DB 9 setup port to match site requirements The factory setpoints for the alarms are as follows e Overvoltage at least one of the line to line voltages exceeds 6 of nominal e Undervoltage at least one of the line to line or line to neutral voltages falls below 13 of nominal e Phase Overcurrent Warning current exceeds 75 of breaker amps e Phase Overcurrent current exceeds 80 of breaker amps e Neutral Current current exceeds 95 of breaker amps Ground Current current exceeds 10 amps 150 225kVA 15 amps 300kVA 20 amps 480kVA 25 amps 800KVA Summary Alarm Summary Alarm detects and annunciates any alarm Summary Alarm Contacts The CPM has a form C one NO and one NC summary alarm contacts for remote alarm status The contacts are rated at 24VAC 1A The contacts change state upon occurrence of any alarm including warnings and reset when the alarm is cleared Summary alarm contacts are on the adapter board The adapter board is on top of the monitoring enclosu
33. nd Monitoring System Check Overview 0 0 00 cece ee eee 15 2 4 ooo UUE A ke wie Ra awed eea a ae ee ee hoe ee ead 16 2 5 DMionitorino System Check carne do la a id arica 17 2 6 Send Completed Checklist to Emerson Network Power o oooooooo ooo 17 3 0 OPERATING INSTRUCTIONS coso airada aa 18 3 1 Startup Procedures dlrs ta tas dd lara Baek orate amp 18 ll Imersencyr SnUtdOW eea a ii tt di td 18 dileZo Normal System SaUtlO WAS A AS A a daa 18 Silo Normal System OlArtUp racista caras S48 ak darias abad aba 19 ote Danna estatinas ao aia eee ars No is 19 3 2 Basic Montor Fane bhssere nie us cda dad ROR a E aa 20 3 3 Power Monitor Panel a ica da be OOK Ua Sew Se ey GG Bs ed BS aL IER Ae BES 21 3 4 Liebert Current Plus Monitoring If Supplied 0 0 0 0 0 0 cc ee ens 23 3 5 Liebert Distribution Monitoring If Supplied 0 0 0 0 0 ccc ens 25 4 0 MAINTENANCE senaman a OA A ER ayaa a 27 4 1 Corrective Maintenance Repair rr 27 4 2 Preventive Maintenance Inspection amp Cleaning 0 0 0 0 cee eee ee 27 42 1 Inspection schedule rd A eel adh Ae Choad OMe de ee eee eee et 27 TABLE OF CONTENTS Figure 1 Figure 2 Figure 8 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 FIGURES Recommended minimum service and ventilation clearances for 150 to 430kVA
34. onnections to enclosures and throughout conduit run 3 Input feeder wire size listed is the minimum feeder size recommended Larger wire size may be required because of voltage drop or supply overcurrent protection device 9 Liebert PPC 1 2 4 1 2 5 1 2 6 Installation Instructions System Grounding The performance and safety of any power conditioning system depends on proper grounding Figure 8 shows the typical grounding arrangements for the Liebert PPC Equipment grounding Proper grounding is required for safe operation but also enhances equipment performance All power feeders must include equipment grounding means as required by the NEC and local codes An insulated ground conductor is recommended to be run in each feeder conduit Ground conductors must be at least the minimum size per NEC Table 250 122 Larger wire sizes may be used for increased system performance If the input power feeder conduit is used as a grounding conductor adequate electrical continuity must be maintained at all conduit connections Using isolating bushings in a metal conduit run can be a safety hazard and is not recommended Signal reference grid If the unit is used to supply power to a computer room an area equipped with a signal reference grid or a grounded raised floor stringer system a grounding conductor should be connected from the system ground bus to the grid or floor system This conductor should be stranded or braided 8 AWG or la
35. orld Specifications subject to change without notice Liebert is a registered trademark of Liebert Corporation All names referred to are trademarks or registered trademarks of their respective owners SL 20048 _REV5_06 13 Emerson Network Power The global leader in enabling Business Critical Continuity Technical Support Service Web Site www liebert com Monitoring liebert monitoring emerson com 800 222 5877 Outside North America 00800 1155 4499 Single Phase UPS amp Server Cabinets liebert upstech emerson com 800 222 5877 Outside North America 00800 1155 4499 Three Phase UPS amp Power Systems 800 543 2378 Outside North America 614 841 6598 Environmental Systems 800 543 2778 Outside the United States 614 888 0246 Locations United States 1050 Dearborn Drive P O Box 29186 Columbus OH 43229 Europe Via Leonardo Da Vinci 8 Zona Industriale Tognana 35028 Piove Di Sacco PD Italy 39 049 9719111 Fax 39 049 5841 257 Asia 29 F The Orient Square Building F Ortigas Jr Road Ortigas Center Pasig City 1605 Philippines 63 26876615 Fax 63 2 730 9572 EmersonNetworkPower com AC Power Embedded Computing Outside Plant Racks amp Integrated Cabinets Connectivity Embedded Power Power Switching amp Controls Services DC Power Infrastructure Management amp Monitoring Precision Cooling Surge Protection Emerson Business Critical Continuity Emerson Network Power and the Emerson Networ
36. performed on the hard wired load equipment in accordance with OSHA safety rules 11 Liebert PPC Installation Instructions 1 2 7 Control Wiring Connections The NEC Article 645 requires that Emergency Power Off EPO switches be located at the principal room exits All standard Liebert power conditioning systems have provision for external shutdown control from Remote Emergency Power Off REPO stations Figure 9 is a simplified diagram of the shutdown circuitry of the Liebert PPC Low voltage control circuit As shown in Figure 9 the control circuit operates on 24VDC The shutdown device represented by the REPO switch activates a low current 24VDC relay that operates the shunt trip mechanism The shunt trip solenoid opens the main input breaker which de energizes the Liebert PPC Multiple unit shutdown When more than one Liebert PPC is installed by the user a typical requirement is that actuation of a single device REPO for example must shut down all Liebert PPC units The low voltage control circuits of all standard Liebert PPC systems are designed to meet this requirement External control wiring connections for remote shutdown alarm and or monitoring are made to the Adapter Board TB1 terminal block inside the unit Control wiring connections are shown in Figure 10 Code compliance Control wiring connections must comply with the NEC and all other applicable codes A WARNING Risk of electric shock and arc flash Can
37. ps 800kVA 20 amps 480kVA 25 amps 800kVA e Output Voltage Distortion output voltage THD exceeds 10 e Frequency Deviation output frequency exceeds 0 5Hz of nominal Summary Alarm Summary Alarm detects and annunciates any alarm Summary Alarm Contacts The VPMP has a form C one NO and one NC summary alarm contacts for remote alarm status The contacts are rated at 24VAC 1A The contacts change state upon occurrence of any alarm including warnings and resets when the alarm is cleared Summary alarm contacts are located on the adapter board The adapter board is located on top of the monitoring enclosure See Figure 10 for details Communication Liebert IntelliSlot cards provide customer connections to a Building Management System BMS or Remote Monitoring Systems The following cards are available IS WEBS Card provides SNMP WEB output An RJ 45 connector is supplied for customer connection to Ethernet LAN IS 485S Card provides Modbus 485 output A terminal strip is provided for 2 wire connection IS IPBMS Card provides Modbus IP output An RJ 45 connector is supplied for customer connection Up to three cards can be plugged into the Liebert IntelliSlot ports provided with the VPMP system If communication to Liebert SiteScan is required customer connection can be made to the adapter board RS 485 terminals on TB1 see Figure 10 for details The adapter board is located on top of the monitoring enclosure
38. r an extended period of time perform equipment inspection and startup procedures as detailed in 2 0 Inspection and Startup Checklist After initial system startup use the following guidelines for standard equipment operation These guidelines should be reviewed for any special equipment modifications special site considerations or company policies that may require changes to the standard equipment operation Emergency Shutdown To perform an immediate system shutdown during emergency conditions move the protective clear cover and push the EPO switch on the front door of the unit NOTICE Risk of improper shutodwn Can cause equipment damage Depending on the control circuit wiring the Remote Emergency Power Off switch may shut down more equipment or systems than just the Liebert PPC If the site 1s equipped with a REPO switch for example as required by NEC Article 645 at the principal exit doors activate one of the REPO switches to perform an immediate room shutdown Normal System Shutdown To perform a normal system shutdown Shut down the load equipment for example a computer system according to the manufacturer s recommendations The load equipment can be turned Off at each piece of load equipment or at the Liebert PPC s output distribution circuit breaker panels located behind the unit s front door Turn Off all unit output breakers then turn Off the unit s main input circuit breaker To remove all pow
39. re See Figure 10 for details Communication Liebert IntelliSlot cards provide customer connections to a Building Management System BMS or Remote Monitoring Systems The following cards are available IS WEBS Card Provides SNMP WEB output An RJ 45 connector is supplied for customer connection to Ethernet LAN 5 4855 Card Provides Modbus 485 output A terminal strip is provided for two wire connection IS IPBMS Card Provides Modbus IP output An RJ 45 connector is supplied for customer connection Up to three cards can be plugged into the Liebert IntelliSlot ports provided with the VPMP system If communication to Liebert SiteScan is required customer connection can be made to the adapter board RS 485 terminals on TB1 see Figure 10 for details The adapter board is on top of the monitoring enclosure Liebert PPC 24 3 5 Operating Instructions Liebert Distribution Monitoring If Supplied The Liebert Distribution Monitoring Liebert LDMF provides the current and voltage for each branch circuit breaker mounted on the panelboards and the panelboard main circuit breaker These measurements are used for reporting the average RMS current power and other parameters The Liebert LDMF detects and annunciates alarm messages and status conditions for each branch circuit breaker and the panelboard main circuit breaker The monitored parameters and alarms appear on the local display 1f supplied and are available for
40. rger and as short as practical Less than 3 ft 1m is recommended Grounding Electrode Conductor Required by code The Liebert PPC should be grounded according to the safety practices of NEC 25030 a A local grounding electrode conductor is recommended in addition to the equipment safety ground that is normally run with the input power conductors Electrode connection As shown in Figure 8 the grounding electrode conductor 1s run from the unit to the nearest effectively grounded item below shown in order of preference e Building steel e Metal water pipe e Other made grounding electrode Sizing of the grounding electrode conductor is based on the secondary circuit conductors According to the NEC Table 250 66 Recommended methods for running the grounding electrode conductor shown in order by preference for system performance and as acceptable by local and other applicable codes Outside of conduit where not subject to damage Inside non metallic conduit Inside non ferrous conduit Inside ferrous conduit bonded to the ferrous conduit at both ends as acceptable by local and other applicable codes Output Power Connections Output circuit breakers with ground and neutral provisions are available as an option for installation inside the unit for connecting loads as required For best performance the Liebert PPC should be located as close to the load as practical Initial system output loading should be between 50
41. s neutral and ground are furnished with the distribution section for connection to the transformer section in the field along with an intercabinet frame ground conductor The distribution section neutral wire 47 and ground wire 50 conductors are connected to the transformer section main ground bus bar see unit wiring diagram shipped with unit Each 800kVA distribution section is fed from an output breaker mounted in the transformer section Liebert PPC 8 1 2 3 Installation Instructions Input Power Connections The 150 200 225 300 and 430kVA input power feeders enter through the distribution section and routes to the transformer section where it is connected to the busbars located inside the unit The 800kVA input power feeder enters through the transformer section where it is connected to the busbars inside the unit A WARNING Risk of electric shock and arc flash Can cause equipment damage injury and death Verify that all incoming line voltage power and low voltage control circuits are de energized and locked out before installing cables or making connections in the unit To minimize disturbances caused by other loads in the building the three phase power input to the unit should be supplied directly from the service entrance or other power source a dedicated power feeder The input feeder circuit should be sized in accordance with the NEC and any local building codes to assure the feeder s ability to
42. that all passages are large enough to accommodate the unit and the floors are adequate to support the weight Is there adequate room in doorways elevators ramps etc Are there any non negotiable corners or offsets in the hallways e Move with care To prevent panel damage Emerson recommends removing the exterior panels before the unit is moved When replacing panels remember to reconnect all panel ground wires Liebert PPC 2 Installation Instructions Table 1 150 800kVA Liebert PPC dimensions Transformer Section Distribution Side Section s 1 Dimensions in mm Weight Dimensions in mm Weight w o bio w o H wio 77 1658 52 619 77 1988 43 1092 2 77 1956 1950 885 43 1092 32 813 77 1956 650 295 La 1002 32 13 77 1966 21001083 43 092 32613 77 1956 32013 050 205 800 77 1956 6720 3048 43 1092 2 32 813 650 295 1 800kVA requires two 2 distribution side sections 2 Includes a 1 side panel 1 1 3 Unit Preparation The Liebert PPC may be easily removed from the shipping pallet and installed by the user A typical procedure follows l 2 Set the palletized assembly in a level area Cut the shipping bands A WARNING eS e Risk of cutting metal bands under tension Can cause injury and death The shipping bands may be under tension Use appropriate eye face and hand protection to safeguard against injury from band backlash Remove side
43. the Silence Reset button to silence the audible alarm Press and hold the button to clear the alarm and turn off the red alarm indicator LED If the alarm condition still exists the alarm will be annunciated again Emergency Power Off EPO Push Button pressing the EPO button shunt trips the input circuit breaker to turn the unit off e LCD displays power parameters and alarm data Navigation keys soft function keys F1 through F4 and Help e Fl selects the next Main Breaker or Next Subfeed e F2 is the Sequence key It selects the next set of items at the current level or the next item on a list e F3 can select Subfeed Gif supplied and monitored at the top level or can select a menu item at a lower level F4 can select Branch a Back function at lower levels Pressing the Back key F4 navigates to the top level Main except from the Help screen From the Help screen the Back key navigates to the previous screen Pressing the Help key navigates to the Help screen All alarm thresholds for monitored parameters are adjustable by way of the VPMP DB 9 setup port to match site requirements All alarms are stored in non volatile memory to protect against erasure by a power outage Alarms must be reset manually after the alarm condition has been corrected Alarms may be reset by pushing the Silence Reset button on the display or through the remote monitoring system if used The following metering parameters may be displayed
44. wn and Emergency Power Off controls only Display Controls and Indicators Power Indicator Green LED illuminates when power has been applied to the Liebert power product Alarm Status Indicator Red LED illuminates when an alarm is present The LED will remain illuminated until the alarm condition is cleared e Audible Alarm speaker represented by the speaker symbol a speaker behind the bezel will sound when there is an alarm condition e Silence Reset Push Button Press and release the Silence Reset button to silence the audible alarm Press and hold the button to clear the alarm and turn off the red alarm indicator LED If the alarm condition still exists the alarm will be annunciated again Emergency Power Off EPO Push Button pressing the EPO button shunt trips the input circuit breaker to turn the unit off LCD Not available e Navigation keys soft function keys F1 through F4 and Help Not used If an overtemperature condition occurs when the transformer temperature exceeds 356 F 180 C it should be investigated and corrected Possible causes include transformer overload excessive non linear loading inadequate ventilation high or low input voltage and monitoring malfunction Failure to correct the overtemperature condition may result in an automatic system shutdown due to the second stage of overtemperature sensing when the transformer temperature exceeds 392F 200 C After the alarm condition is
45. y indicate access clearance of 42 in 1067mm REQUIRED AT FRONT below unit for bottom cable exit Figure 3 Footprint and floor cutout dimensions for Transformer Section 150 to 430kVA units Cutout area for cooling air flow 30 42 1067 a 2 Sng Py 254mm 6 30 152mm 762mm 5 Liebert PPC Installation Instructions Figure 4 Footprint and floor cutout dimensions for Transformer Section 800kVA units 22 6 574mm T 22 6 574mm an 19 2 489mm 10 7 273mm 3 76mm 4 73 120mm 464mm 24 25 x 11 75 j i A i i 616 x 298mm 2 typ 3 DNNE 50 142mm i XFMR stop locations BOTTOM VIEW Figure 5 Footprint and floor cutout dimensions for Distribution Sections 150 800kVA units 1 2 Power and Control Wiring Power and control wiring should be installed by licensed electricians All power and control wiring must comply with the NEC and applicable local codes See Figures 6 and 7 for single line diagrams 1 2 1 Distribution Section Mounting and Wiring Each 150 200 225 300 and 430kVA Liebert PPC has a distribution section for routing input output cables and to provide output distribution Each 800kVA Liebert PPC requires two distribution sections The 150 to 430kVA distribution section is shipped attached to the transformer section The 800kVA distribution sections are shipped separate from the transformer section Each 800kVA distribution section has a base dimension
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