APC PML3XS-B surge protector
Contents
1. Neutral GROUND Phase C NOTE The neutral conductor is not present on two wire grounded power systems For these systems bond the neutral and ground lugs together inside the SPD Customer Connections Figure 4 Three Phase Three or Four Wire Grounded Wye Installation Phase A A Phase B B SPD Neutral N GROUND Phase C C Customer Connections Figure 5 Three Phase Three or Four Wire High Leg Delta Installation Phase B B High Leg SPD Phase C C Phase A A Neutral N i GROUND Customer Connections Installation and Operation Manual Operation Operation LED Status Indicators Figure 6 SurgeArrest Module LEDs A DANGER HAZARD OF ELEC2. The device is designed to operate in an ambient temperature range of 4 F to 149 F 20 C to 65 C with a relative humidity of 0 to 95 non condensing Refer to the product catalog for further details on enclosures All SPDs operate normally without reduction in performance when subjected to shock and vibrations described in IEC 60721 3 3 Class 3M4 The device background noise is negligible and does not restrict the location of the installation The device is designed to be surface or flush mounted Refer to the device submittal drawings or the product catalog for typical mounting dimensions and weight The service clearance should meet all applicable code requirements To obtain the maximum system performance locate the device as close to the circuit being addressed as possible to minimize the interconnecting wiring length For every foot of wire length approximately 160 volts 6 kV 3 kA 8 20 microsecond is added to the suppressed voltage The Voltage Protection Rating VPR is located on the device nameplate and is measured 6 inches from the device terminals according to UL 1449 Third Edition Installation and Operation Manual Electrical Electrical Voltage Rating A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH Confirm the SPD voltage rating on the module or nameplate label is the same as the operating voltage Failure to follow these instructions will result in death or serious injur
3. Installation and Operation Manual APC Brick Panel Products PMF3XS B PMJ3XS B PMP3XS B PMH3XS B PMG3XS B PML3XS B The Brick Panel Product Surge Protective Devices SPD are designed to deliver specification grade performance at the service entrance branch panels or other critical locations The APC SurgeArrest Branch Panel Mount Products have replaceable multi phase modules a display panel with surge counter LED status indicators and an audible alarm and comes in a NEMA 3R enclosure Compliant with UL1449 3rd Edition requirements dated September 29 2009 Table of Contents Precautions 5 recie ireistaii issue xidt Ya napa r dan cna pan Du ania I Tu ana n aS an TER don Rana duh 4 nion reir e E E E 6 Unpacking and Preliminary Inspection eere 8 Stora g e 8 Safety Labels niet eren iaia iii 8 Identification Nameplate eeeeeeeeeeeeeeenneen enne nnn 8 Installation Considerations eese 8 Erivironment celestia Dual iii il 8 Audible Noise tete nette REGERE 8 Mounting aaa enara i ee Prec adve tet ex DI ert E En 8 Service Clearance is enge nne ie reed ete eene Ra Pe edic 8 Equipment Performance oerte ctr ep x eee teen 8 Electrical g 9 Voltage Ratingit lee Nol IA EUREN od 9 Terminals Wire Size and Installation Torque i 10
4. 3 phase 120 BMF3 B 3 4 wire 240 120 3 phase 4 wire 120 BMJ3 B high leg delta 277 480Y 3 phase 120 BMG3 B 3 4 wire 220 380Y 230 400Y 240 415Y 3 phase 120 BMH3 B 3 4 wire 347 600Y 3 phase 120 BML3 B 3 4 wire Push the alarm enable disable button to enable or disable the alarm see Figure 7 If the green alarm LED is lit the alarm is enabled If the green alarm LED is not lit the alarm is disabled The surge counter displays the number of transient voltage surges since the counter was last reset The counter is battery powered to retain memory in the event of a power loss to the diagnostic display panel To reset the surge counter remove all power and press the small switch located inside the unit on the underside of the diagnostic circuit board near the RJ45 connectors also refer to Figure 8 This will reset the counter to zero Figure 7 Three Phase Diagnostic Display Panel with Surge Counter Ph LED ie SURGE PROTECTIVE DEVICE Description of ase S Uc e e phase LEDs E Remplacer le module i rm LED On Line diagnostics Ala ush buttons p m Enable alarm Surge counter exem 3 i Disable alarm Alarm enable disable push button Surge counter reset switch or diagnostic Made in USA Hecho en E UA Fabriqu aux U astona circuit board NOTE Phase B is not present on single phase applications Installation and Operation Manual 17 Operation Dry Contacts 18 Figure 8 Rear of Diagnostic Circui
5. Branch Circuit Overcurrent Protection and Disconnect Means 10 Location Of SBD a nnm e n antartica aiar 11 ceinpb mme 12 Installation rien 13 Conduit Location and Recommendations eene 13 Special Enclosure Considerations ssseeeeee 13 Removing and Reconnecting the RJ45 Patch Cables 13 NEMA 3R Applications i 13 Optional Flush Mounting eeseeeeeeeenennnennnne 13 Optional Integral Switch ii 13 bpm Rea icles 14 Wiring Diagrams without Integral Switch 15 Operationo urti aa 16 LED Status Indicators rei ERI 16 Audible Alarm iee nre delta das 17 Surge Counter iaia dla arena 17 Dry Contacts cis asit vt E UR P Ra Rente 18 Maintenance and Troubleshooting eene 19 Preventive Maintenance eene enn 19 Troubleshooting nee ct tede utm dts 20 Replacement Parts orit en e dete fe 20 Customer Suppott tente p te e deett ea dee dares 24 Installation and Operation Manual 3 Precautions Precautions A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH Apply appropriate personal protective equipment PPE and follow safe electrical work practices See NFPA 70E This equipment must only be installed and serviced by qualified electrical personnel Turn off all power supplying this equipment bef
6. Protective Device SPD is a high quality high energy surge attenuation system that has been designed to protect sensitive equipment from damaging transient voltage surges Proper installation is imperative to maximize the surge suppressor s effectiveness and performance This manual is to be used as a guide for installing the device Read and understand all information contained in this manual prior to installation The outlined procedures are not intended to supersede local or national electrical codes Check all applicable electrical codes to assure compliance This device must be installed by qualified electrical personnel The installer should follow the steps detailed in this manual to ensure proper installation A copy of the installer s invoice detailing the installation of this device is required in order to take advantage of the unit s product warranty The SurgeArrest PM 3X Series product lines specify a parallel SPD designed for service entrance and downstream panelboard applications These units provide replaceable brick all included surge protections are encapsulated into a single brick module surge protection and are available in 120 kA phase rating All APC products are extensively tested according to industry standards as set by IEEE C62 41 and C62 45 for Type 2 Applications Type 2 applications are permanently connected to SPDs intended for installation on the load side of the service equipment overcurrent device including S
7. all devices doors and covers before turning on power to this equipment This equipment must be effectively grounded per all applicable codes Use an equipment grounding conductor to connect this equipment to the power system ground Failure to follow these instructions will result in death or serious injury Inspect the SPD periodically to maintain reliable system performance and continued transient voltage surge suppression Periodically check the state of the diagnostic display panel LED status indicators Routinely use the built in diagnostics to inspect for inoperative modules Installation and Operation Manual 19 Troubleshooting Troubleshooting If a module shows two green indicator lights and the display panel shows a red phase indicator light follow the Troubleshooting Flow Chart in Figure 9 below Figure9 Troubleshooting Flowchart START Red phase LED s lit Check Check the patch cable voltage on Check the power connections Is each phase Is utility feed and Red LED s the voltage verify voltage levels on correct Is alarm Enable Disable LED on Replace module s LEDs lit on that do not have all modules LEDs lit Possible diagnostic Energize SPD and Press alarm display panel failure verify proper Enable Disable Contact APC connection Switch Is Technical Support at alarm on 1 800 800 4272 for troubleshooting Is ala
8. phase neutral and ground connectors Torque connections to the following values Table 3 Terminal Torque Power Connection Torque A B C and N 35 Ib in 4 Nem Ground Protection and Disconnect Means A DANGER 10 HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH Use conductors rated for the Overcurrent Protection Device OCPD per applicable codes Use conductors rated for the application per applicable codes Failure to follow these instructions will result in death or serious injury A branch circuit Overcurrent Protection Device OCPD either in the form of a circuit breaker or fuse must be provided for the SPD The branch circuit OCPD should either provide or include a disconnecting means Since the current drawn by the SPD during standby operation is negligible the SPD can be connected to a dedicated separate branch circuit or connected to a suitable existing branch circuit e When connected to a separate dedicated branch circuit the OCPD setting must be selected to protect the conductors feeding the SPD e When connected to an existing branch circuit the conductors connected to the SPD must have an ampacity not less than the setting of the existing OCPD Refer to Terminals Wire Size and Installation Torque section above for the maximum conductor cross section that can be connected to the SPD During overvoltage surge diversion current will flow through the SPD The branch circuit
9. suppression elements reach end of life Tripping of the branch circuit breaker or fuse feeding the SPD can occur Mitigate the tripping of the branch circuit breaker or fuse feeding the SPD by coordinating the surge suppression elements with the branch circuits For the purposes of coordination the SPD is equipped with overcurrent components that will limit the per phase It lapparent p and lg values to those listed in table 1 when connected to a power system with a short circuit current rating not exceeding 200 000 A Installation and Operation Manual Precautions Table 1 PM 3XS B 175 kA seconds 17 000 ARMS 40 000 A RMS 220A A CAUTION LOSS OF SURGE SUPPRESSION Do not energize the SPDs until the electrical system is completely installed inspected tested and all conductors have been connected and functional including the neutral Verify the voltage rating of the device and system before energizing the SPD Disconnect the SPD including the neutral from the power source before performing high potential insulation testing or any tests where SPD components will be subjected to voltages higher than their rated turn on voltage Failure to follow these instructions can result in injury or equipment damage Installation and Operation Manual Introduction Introduction Thank you for choosing the APC SurgeArrest PM 3X Series Brick Surge Protective Device The APC non modular Surge
10. OCPD must pass this current without tripping for the SPD to function properly For further information concerning coordination of the OCPD with the SPD refer to the Caution statement Loss of Branch Circuit Power Loss of Surge Suppression on page 4 Installation and Operation Manual Location Location of SPD Install Type 2 SPDs on the load side of the main Overcurrent Protection Device OCPD to comply with NEC Article 285 for Type 2 SPDs Locate the SPD as close as possible to the circuit being addressed to minimize the wire length and optimize SPD performance Avoid long wire runs so that the device will perform as intended To reduce the impedance that the wire displays to surge currents the phase neutral and ground conductors must be routed within the same conduit and tightly bundled or twisted together to optimize device performance Avoid sharp bends in the conductors See Figure 2 Figure 2 Phases gt SPD Wiring To load s Neutral Ground i Phase A Phase B Phase C Neutral 0 000000 01 Neutral bus 000000066 Ground bus L Panel Installation and Operation Manual Ground SPD Interconnect wiring Minimize length Avoid sharp bends 11 Grounding Grounding 12 A WARNING HAZARDOUS TOUCH VOLTAGE Connect the SPD ground terminal to the building grounding grid struct
11. PDs at the branch panel Save this manual It includes instructions regarding the product warranty and replacement parts Testing Any factory or on site testing that exceeds the normal operating voltage such as high potential insulation testing or other tests where the suppression components will be subjected to voltages higher than their rated turn on voltage must be run with the suppressor disconnected from the power source For 4 wire devices the neutral connection at the SPD must also be disconnected prior to performing high potential testing and then reconnected upon completion of the test Failure to disconnect this surge suppression device and its associated suppression components during elevated voltage testing will result in damage to the suppression components and or other electronic components Installation and Operation Manual Introduction A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH Apply appropriate personal protective equipment PPE and follow safe electrical work practices See NFPA 70E This equipment must only be installed and serviced by qualified electrical personnel Turn off all power supplying this equipment before working on or inside equipment Always use a properly rated voltage sensing device to confirm power is off Replace all devices doors and covers before turning on power to this equipment This equipment must be effectively grounded per all applicable codes Use a
12. TRIC SHOCK EXPLOSION OR ARC FLASH Apply appropriate personal protective equipment PPE and follow safe electrical work practices See NFPA 70E This equipment must only be installed and serviced by qualified electrical personnel Turn off all power supplying this equipment before working on or inside equipment Always use a properly rated voltage sensing device to confirm power is off Replace all devices doors and covers before turning on power to this equipment This equipment must be effectively grounded per all applicable codes Use an equipment grounding conductor to connect this equipment to the power system ground Failure to follow these instructions will result in death or serious injury The diagnostic display panel shows the status of the SPD module with diagnostically controlled green red LEDs If a unit is operating correctly all the phase LEDs will be illuminated green To test the integrity of the diagnostics for each phase push the button below the phase LEDs on the diagnostic display panel The green LED will turn red and the alarm will sound if the alarm is enabled Releasing the test button will complete the test the red LED will turn green and the alarm will shut off If an inoperable condition occurs on any phase the audible alarm sounds and the corresponding phase LED on the diagnostic display panel is illuminated red This indicates that the device needs service by qualified electrical pe
13. be run inside the raceway and sized in accordance with all applicable codes Maintain electrical continuity at all raceway connections using appropriate bonding devices and do not install isolating bushings to interrupt a metallic raceway run For best overvoltage suppression by the SPD use a single point ground system where the service entrance grounding electrode system is connected to and bonded to all other available electrodes building steel metal water pipes driven rods etc for reference see IEEE 142 2007 The ground impedance measurement of the electrical system should be as low as possible and in compliance with all applicable codes SPDs rated for use on solidly grounded power systems must not be connected to resistance grounded for example HRG or ungrounded power systems Such a connection can result in damage to the components within the SPD Installation and Operation Manual Installation Installation Conduit Location and Recommendations Special Enclosure Considerations Removing and Reconnecting the RJ45 Patch Cables NEMA 3R Applications Optional Flush Mounting Optional Integral Switch A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH Apply appropriate personal protective equipment PPE and follow safe electrical work practices See NFPA 70E This equipment must only be installed and serviced by qualified electrical personnel Turn off all power supplying this equipment before wor
14. block Maintain at least 1 0 in 25 mm separation between dry contact wiring and the power wiring in the enclosure Failure to follow these instructions will result in death or serious injury Care must be taken in installing the dry contact wiring because the terminals are on a moving door Avoid the door hinge any switches and the high voltage areas of the enclosure when routing the wiring To avoid the door hinge tie wrap any dry contact wiring to the existing cable harness which crosses the hinge Once the dry contact wiring is secured on a non moving point of the enclosure it is the user s responsibility to maintain at least 1 0 in 25 mm separation between 600 Vac rated dry contact wiring and the power wiring in the enclosure Table 5 Dry Contact Configuration Alarm Contact Terminals Contact State with Power Removed NC Normally closed COM Common NO Normally open Installation and Operation Manual Maintenance Maintenance and Troubleshooting Preventive Maintenance A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH Apply appropriate personal protective equipment PPE and follow safe electrical work practices See NFPA 70E This equipment must only be installed and serviced by qualified electrical personnel Turn off all power supplying this equipment before working on or inside equipment Always use a properly rated voltage sensing device to confirm power is off Replace
15. he shipping company The device should be stored in a clean dry environment Storage temperature is 40 F to 149 F 40 C to 65 C All of the packaging materials should be left intact until the device is ready for installation English Spanish and French versions of all safety labels Danger Warning Caution are provided The identification nameplate is located on the inside of the door cover Figure 1 SPD Nameplate Example Arc by Schneider Electric Surge Protective Device PM_3XS B Dispositivo de protecci n contra YN sobretensiones transitorias Series 002 O __ kA 50 60Hz Dispositif de protection contre les In 20KA_SCCR 200kA surtensions transitoires VPR LN LG N G LL MCOV __ LN LG NG LL Enclosure Type Tipo de gabinete Type de coffret amna Mm mM g O D O Suitable for use on a circuit capable of delivering not more than 200 000 rms symmetrical Amperes 600V Maximum See instruction bulletin for wiring information Adecuados para utilizarse con un circuito capaz de suministar no m s de 200 000A sim tricos rem 600V como m ximo Consult el manual para obtenir informaci n del cablea jent un circuit pouvant au maximum 200 000A efficaces sym triques 600V maximum Consuiter le manuel pour obtenir des informations sur le c blage sogar UL 1449 3rd Edition XXXX Made in USA Hencho en E A U Fabrique aux E U cL us usten Wawapc com NEM 1 800 800 4272
16. king on or inside equipment Always use a properly rated voltage sensing device to confirm power is off Replace all devices doors and covers before turning on power to this equipment This equipment must be effectively grounded per all applicable codes Use an equipment grounding conductor to connect this equipment to the power system ground Failure to follow these instructions will result in death or serious injury The recommended conduit entry is at the bottom of the device enclosure Use a conduit seal that is appropriate for the enclosure rating The RJ45 patch cables are marked with matching phase connections If any of the cables are removed reconnect the cables as marked Remove screws from the bottom of the enclosure to create drain holes The flush mount collar option provides a mechanical means to install the surge suppressor flush to the surface of sheetrock or firewall construction After making electrical cable connections to the SPD integral switch and prior to energizing the SPD ensure that the line barrier is in place and intact Installation and Operation Manual 13 Wiring Wiring NOTE The surge protective device must be installed in an accessible location as described in the NEC NOTE The neutral connection is not present on 3 wire 3 phase wye ground or 2 wire single phase mid point ground power systems For these systems bond the neutral and ground lugs together in the SPD For ins
17. n equipment grounding conductor to connect this equipment to the power system ground Failure to follow these instructions will result in death or serious injury NOTE Type 2 SPDs are designed for use on Proper installation is imperative to maximize the modular Surge Protective the load side of the service entrance Overcurrent Device s SPD s effectiveness and performance The installer should follow the Protection Device OCPD only steps outlined in this instruction bulletin to ensure proper installation Read the entire instruction bulletin before beginning the installation These instructions are not intended to replace national or local electrical codes Check all applicable electrical codes to verify compliance Installation of modular surge suppressors should only be performed by qualified electrical personnel NOTE For troubleshooting call APC Technical Support at 1 800 800 4272 Installation and Operation Manual 7 Inspection Unpacking and Preliminary Inspection Storage Safety Labels Identification Nameplate Installation Considerations Environment Audible Noise Mounting Service Clearance Equipment Performance Inspect the entire shipping container for damage or signs of mishandling before unpacking the device Remove the packing material and further inspect the device for any obvious shipping damage If any damage is found and is a result of shipping or handling immediately file a claim with t
18. ore working on or inside equipment Always use a properly rated voltage sensing device to confirm power is off Replace all devices doors and covers before turning on power to this equipment This equipment must be effectively grounded per all applicable codes Use an equipment grounding conductor to connect this equipment to the power system ground Failure to follow these instructions will result in death or serious injury A CAUTION LOSS OF BRANCH CIRCUIT POWER LOSS OF SURGE SUPPRESSION Ensure that the branch circuit breaker or fuse trip characteristic has been coordinated with the overcurrent components inside the SPD See Table 1 Perform periodic inspection of the SPD status indicator lights as part of the preventative maintenance schedule Promptly service the SPD when an alarm state exists Use dry contacts to signal an alarm state to the central supervisory system for unmanned inaccessible or critical installations Use multiple SPDs to achieve redundancy for critical applications Failure to follow these instructions can result in injury or equipment damage At end of life conditions Surge Protective Devices SPDs can lose their ability to block power system voltage and attempt to draw excessive current from the line This SPD is equipped with overcurrent and overtemperature components that will automatically disconnect the surge suppression elements from the mains should the surge
19. r affiliated companies All trademarks are property of their respective owners 990 3424A 8251 0137C 10 2010 APE
20. rm LED YES on Replacement Parts The following replacement parts are available For ordering information refer to the product catalog e SPD modules Replacement instructions are included with the replacement parts Diagnostic display panel assemblies Replacement instructions are included with the replacement parts 20 Installation and Operation Manual Installation and Operation Manual 21 22 Installation and Operation Manual Installation and Operation Manual 23 APC Worldwide Customer Support Customer support for this or other APC products is available at no charge in the following ways e Visit the APC website to access documents in the APC Knowledge Base and to submit customer support requests www apc com Corporate Headquarters Connect to localized APC Web sites for specific countries each of which provides customer support information WWW apc com support Global support searching APC Knowledge Base and using e support e Contact the APC Customer Support Center by telephone or e mail Local country specific centers go to www apc com support contact for contact information For information on how to obtain local customer support contact the APC representative or other distributors from whome you purchased your APC product 2010 APC by Schneider Electric APC the APC logo and APC SurgeArrest are owned by Schneider Electric Industries S A S American Power Conversion Corporation or thei
21. rsonnel The audible alarm can be silenced by pressing the alarm enable disable button The alarm will silence and the green alarm LED will not be lit The red phase LED will continue to be illuminated until the inoperative condition had been cleared On an SurgeArrest module see Figure 6 if the left green LED is not lit it indicates a loss of suppression from line to ground for that phase If the right green LED is not lit it indicates a loss of suppression from line to neutral for that phase If the diagnostic display has power and both green LEDs are not lit the module should be replaced Left green LED lit L G suppression is operating Right green LED lit L N suppression is operating Left green LED not lit Loss of surge suppression from L G Right green LED not lit Loss of surge suppression from L N 16 Installation and Operation Manual Operation Audible Alarm Surge Counter When power is applied to the SPD and one or more of the diagnostic display panel LEDs are red and one or more module LEDs are out the module should be replaced Refer to Maintenance and Troubleshooting on page 19 for proper troubleshooting procedures Table 4 SurgeArrest Replacement Modules Peak Surge Current log Number System Voltage Rating kA Catalog Numbers 120 240 1 phase 120 BMP3 B 2 3 wire 120 208Y 127 220Y
22. t Board Surge counter reset switch RJ45 Connectors Dry contacts The SurgeArrest series SPDs come standard with dry contacts The connection for the dry contacts is located on the back of the diagnostic display panel lower right corner The dry contacts are 3 position Form C type with Normally Open Normally Closed and Common connections In the unpowered state the contact is closed between terminals NC and COM This is also the alarm condition The opposite state closed between terminals NO and COM indicates that power is on to the unit and that no alarm condition exists See Table 5 These contacts can be used for remote indication of the SPD s operating status to a computer interface board or emergency management system Also these contacts are designed to work with the SPD remote monitor option described below The dry contacts are designed for a maximum voltage of 24 Vdc 24 Vac and a maximum current of 2 A Higher energy applications may require additional relay implementation outside the SPD Damage to the SPD s relay caused by use with energy levels in excess of those discussed in this instruction bulletin are not covered by warranty For application questions contact APC Technical Support at 1 800 800 4272 A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH Use 600 Vac rated dry contact wiring Dry contact wiring must have less than 1 16 in 1 6 mm exposed wire from the dry contact
23. talling wiring see Figures 3 through 5 NOTE See Terminals Wire Size and Installation Torque section for the acceptable wire size and installation torque on page 10 NOTE Always install the SPD on the LOAD side of the main Overcurrent Protection Device OCPD A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH Apply appropriate personal protective equipment PPE and follow safe electrical work practices See NFPA 70E This equipment must only be installed and serviced by qualified electrical personnel Turn off all power supplying this equipment before working on or inside equipment Always use a properly rated voltage sensing device to confirm power is off Replace all devices doors and covers before turning on power to this equipment This equipment must be effectively grounded per all applicable codes Use an equipment grounding conductor to connect this equipment to the power system ground Failure to follow these instructions will result in death or serious injury A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH Confirm the SPD voltage rating on the module or nameplate label is the same as the operating voltage Failure to follow these instructions will result in death or serious injury Follow the steps listed below when making wiring connections 1 If Turn off all power supplying this equipment before working on or inside any enclosure containing this eq
24. uipment Confirm the SPD voltage rating and configuration is the same as the system voltage and power system configuration to which it will be connected Identify proper location for surge protective device Locate as close as possible to the panel being addressed so the wires are as short as possible Mount unit securely Install in accordance with National Electrical Code NEC and local electrical codes for overcurrent protection recommendations and wire ampacity considerations Twist conductors 1 2 turn or more for every 12 inches of length Do not loop or coil wires Be sure to maintain adequate wire bending space per NEC If the remote signaling contacts of the diagnostic display panel are to be used refer to the section Dry Contacts on page 18 for wiring instructions On a high leg delta installation note the high leg connection per wiring diagram See Figure 5 Replace all devices doors and covers including the line barrier for the optional integral disconnect before turning on power to the equipment If the SPD is properly installed and functioning the green LED indicators on the display will be lit you have any questions pertaining to the installation of this device contact the APC Technical Support at 1 800 800 4272 14 Installation and Operation Manual Wiring Wiring Diagrams without Integral Switch Figure 3 Single Phase Three Wire Grounded Installation Phase A
25. ure Use an appropriately sized equipment grounding conductor When using metallic raceway or conduit Do not use the SPD ground unless augmented with an insulated equipment grounding conductor installed inside the metallic raceway or conduit Do not use isolated bushings to interrupt the metallic raceway or conduit Maintain electrical continuity at all raceway and conduit connections using appropriate bonding devices Do not use a separate isolated ground for the SPD Verify proper equipment connection to the grounding system Verify ground grid continuity by performing regularly scheduled inspections and testing as part of a comprehensive electrical maintenance program Failure to follow these instructions can result in death or serious injury The SPD has leakage current to ground when energized and can present a hazardous touch voltage The device has SPD elements connected from phase to ground To prevent hazardous touch voltage on the SPD enclosure during normal operation or during SPD end of life it is critical that there be a robust and effective connection to the building grounding structure The grounding connection must utilize an equipment grounding conductor run with the phase and neutral if present connection of the power system The SPD should not be connected to a separate isolated ground When metallic raceway is used as the wiring method an insulated grounding conductor should
26. y Prior to mounting the SPD verify that the device has the same voltage rating as the power distribution system in which it is installed Compare the nameplate voltage or model number on the SPD with the nameplate of the electrical distribution equipment The specifier or user of the device should be familiar with the configuration and arrangement of the power distribution system in which any SPD is to be installed The system configuration of any power distribution system is based strictly on how the secondary windings of the transformer supplying the service entrance main or load are configured This includes whether or not the transformer windings are referenced to earth via a grounding conductor The system configuration is not based on how any specific load or equipment is connected to a particular power distribution system See Table 2 for the service voltage of each SPD Table 2 Voltage Ratings Service Voltage Lui Catalog Number di a 120 kA PMP3X S B Pere eit eas 120 kA PMF3X S B 2 4 wire high leg delta TOU SA PSP sd da 120 kA PMG3X S B su ii 120 kA PMH3X S B ai EN 120 kA PML3X S B 1 Enclosures are rated 3R Installation and Operation Manual 9 Electrical Terminals Wire Size and Installation Torque Branch Circuit Overcurrent Terminals are provided for phase line neutral and equipment ground connections The SPD terminals accept a range of 12 AWG 3 mm to 2 AWG 34 mm copper wire for
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