APC PM3 User's Manual
Contents
1. ELECTRICAL SAFETY PRECAU TIONS ALL POWER SOURCES TO THIS UNIT SHOULD BE LOCKED OFF BEFORE SERVICING THIS WILL PREVENT THE RISK OF RECEIVING AN ELECTRICAL SHOCK OPERATION and FEATURES SPD s do not require alot of operator intervention after installation NOTE The PM Series has a green LED for each phase which extinguishes when the module is no longer providing protection fault condition All of the PM series of SPDs contain a diagnostic circuit which monitors the suppressors status continuously and automatically If a fault condition were to occur the built in front panel audible alarm will sound and a red Service LED will light indicating that the unit is in need of service by a qualified technician The audible alarm can be silenced by pressing the Mute Alarm button on the touchpad until a qualified electrician or service person is available to service the unit The red Service LED will continue to be illuminated even though the audible alarm has been silenced This will continue until the fault condition has been cleared Use the troubleshooting section of this manual to locate and repair the fault Status Panel Controls Indicators and Alarms All indicators and controls are located on the front diagnostic panel Figure 4 of the PM3X unit Each phase features a tri color LED indicator Green indicates correct operation Amber indicates reduced protection Red indicates loss of protection If an inoperative condition2. Figure 2 to identify the lug phase connections when making phase connections For answers to questions about installation call APC s Customer Service Department at 800 800 4APC 10 Always Install the SPD on the LOAD side of the main disconnect After all connections have been made and no hazards exist restore power to the AC distribution panel or breaker If the SPD is installed and functioning properly the green LED phase indicators on the front panel display will be lit and there will be no audible or visual alarms Use an AC voltmeter to check all voltages to ensure that the proper unit type has been installed for the service rating being protected 11 Carefully install the front cover on the chassis Ensure that the ribbon cables are dressed in a manner that they are not pinched or crushed when the cover is installed 12 Tighten the captive screws that secure the cover to the chassis Circuit Breaker and Disconnect Switch The PM3X Series is designed for connection to a 30A to 40A circuit breaker 40A preferred The circuit breaker is the intended disconnect switch and provides short circuit protection to the connecting conductors The PM3X Series has internal overload protection elements Page 7 MAINTENANCE OF THIS SURGE PROTECTIVE DEVICE SHOULD BE PERFORMED BY QUALIFIED PERSONNEL ONLY DURING NORMAL OPERATION HAZARDOUS VOLTAGES ARE PRESENT INSIDE THE UNIT WHEN SERVICING THIS UNIT BE SURE TO FOLLOW ALL
3. See Figure 5 Troubleshooting Flowchart for assistance Replace bad components with identically rated parts to continue proper operation and safety Troubleshooting Troubleshooting of an SPD consists of performing the sequence of steps provided in the Troublshooting Flow Chart in Figure 5 Perform the steps in this chart only to the extent necessary to clear the fault Page 10 Alarm All No Audible Visual Front Panel Apparent END Red Service Green LEDs bien LED Lit Lit Possible Correct Display All Power Utility Board Yes Front Panel Service No Feed and Failure 4 Ee ED Voltage Correct N gs Verify Call APC Lae dee Power Levels Technical Phases and Support Operation 1 800 800 4A PC t WARNING SECURE ALL END POWER REMOVE POWER TO THE SPD Possible Unit Failure Call APC Technical Support 1 800 800 4A PC Figure 5 Troubleshooting Flow Chart Page 11 MAINTENANCE OF THIS SURGE PROTECTIVE DEVICE SHOULD BE PERFORMED BY QUALIFIED PERSONNEL ONLY DURING NORMAL OPERATION HAZARDOUS VOLTAGES ARE PRESENT INSIDE THE UNIT WHEN SERVICING THIS UNIT BE SURE TO FOLLOW ALL ELECTRICAL SAFETY PRECAU TIONS ALL POWER SOURCES TO THIS UNIT SHOULD BE LOCKED OFF BEFORE SERVICING THIS WILL PREVENT THE RISK OF RECEIVING AN ELECTRICAL SHOCK Display Board Removal and Replacement Instructions To remove the Display boa
4. display board with or without the optional surge counter Page 12 Ribbon Cable Connectors Ribbon Cables to Chassis Display Board Retaining Hardware 4 places Display Board Chassis Cover te Chassis not shown Ground Wire to Chassis Not to exact scale Figure 6 Display Board Locator Diagram Page 13 LIMITED WARRANTY APC warrants it s AC panel protection products against defects in workmanship and materials for 5 years from the date of original purchase The panel protection device must be installed by a qualified and licensed electrician in order to qualify for warranty proctection Liability is limited to the replacement of the defective product A Return Material Authorization must be given by APC prior to the return of any product see Technical Support and Customer Service A copy of the invoice from the installer electrician or electrical service company must accompany the defective device being returned If the return of a device is authorized by APC APC will immediately ship a replacement unit to the customer Along with the replacement unit APC will include a pre paid shipping tag for the return of the originally defective unit The replace ment unit will not be warranteed unless the defective unit is received by APC Under no circumstance is APC responsible for the cost of removal or installation of any panel protection device APC also offers unlimited replacement of modular and co
5. l Test Tests the red Service LED and audible alarm www apc com Count Increments the optional surge counter by one O Phase A Reset Resets the optional surge counter Surge Counter Mute Alarm Turns the Alarm off Note that the O Phase B alarm is de activated when the LED is lit O Phase C Phase A B and C Tri color LED status indicators p Green Full protection O Service Amber Partial protection Red No protection Service LED illuminates for any amber or red indication Surge Counter Displays the total number of surges Alarm encountered by the SPD Figure 4 Status Panel with Surge Counter Option Audible Alarm and Control The PM3X Series device is equipped with an audile alarm which will sound in the event of an alarm condition In addition the red Service LED will illuminate indicating the device needs service Press the Mute Alarm touchpad to silence the alarm The red Service LED will remain on even though the alarm is silenced The Audible Alarm can be tested by pressing the Test touchpad This tests the alarm regardless of the Mute Alarm status The Test touchpad tests the red Service LED and the Audible Alarm Surge Counter Option The surge counter provides a means to total the number of transient voltage surges encountered since the counter was last reset The surge counter circuitry includes a supercap This will provide power up to four days to retain memory should a po
6. were to occur the built in audible alarm will sound and the red Service LED will illuminate This indicates that the unit needs evaluation by a qualified electrician or technician Until a qual ified person evaluates the unit press the Mute Alarm touchpad to silence the alarm The LED indicator above the Mute Alarm touchpad illuminates when the alarm is deactivated Normal operation occurs with the Mute Alarm LED extinguished The red Service LED will remain illuminated even though the Audible Alarm has been silenced The Test touchpad tests the red Service LED and the Audible Alarm If LEDs are illuminated in a manner that suggests contradictory information there may be an internal logic problem and the unit needs replacement If none of the LEDs are illuminated the unit may not be installed correctly Please note that the internal storage capacitor for surge counter backup must be energized for about 15 minutes before the count push button will function If a green LED is not illuminated and is suspect of being faulty a qualified electrician or technician may attempt to diagnose the problem by de energizing the unit removing the front cover and exchanging ribbon cable leads with another phase if available Upon reenergizing the PM3X the appropriate LED will illuminate if the suspect LED has failed If troubleshooting indicates a failed LED please contact APC Technical Support at 800 800 4APC Page 8 a MPE SurgeArrest PM l
7. wiring must comply with the National Electric Code NEC and applicable local codes Page 5 Mount the SPD to the wall or other mounting surface using the flanges The SPD should be installed as close as possible to the panel being protected PMP3X 240 120V Split Phase WYE 3 Wire plus Ground 5 16 Mounting D LN 1 Hole 4 places Ground Connector Nenial Ground LN 2 Connector Neutral a Connector Phillips head Screw sd DA Terminal J Connector Lug mea Wire Ribbon Cable lt gt Connector 3 places O J cable not shown Not to exact scale Cover removed for clarity Mounting Flange 2 places PMF3X PMG3X AND PML3X 3 Phase WYE 4 Wire plus Ground fe gt O G B O Neutral O c C Phase C Ground O gt Not to exact scale Cover removed for clarity O Phase A Phase B Figure 3 Installation Wiring Diagrams Page 6 8 Dress the power cables so the ribbon cables will not be pinched crushed or other wise damaged when the cover is installed If connecting Dry Contacts it may be effective to install communication lines prior to power conductors 9 Connect the unit to the service panel through the UL approved conduit with anti short bushings as fol
8. Arc www apc com PM3 Series Non Modular Surge Protection Device SPD User s Manual Copyright 2000 American Power Conversion Corporation 132 Fairgrounds Road P O Box 278 West Kingston Rhode Island 02892 USA 990 0525 10 00 SurgeArrest PM Series INTRODUCTION Ln Ge iti MAR Ge ties Soe he oe Sh ee SAL tee 1 EE Ee AR EE RE EE venti EE EE OO EO OE bees 1 A O NN 1 UNPACKING and PRELIMINARY INSPECTION ee esse see ee ee ene ee ese ee ese ee ee ee see ee ee Gee GR ee GR ee AR Re ee 1 Unpacking amp Preliminary Inspeciton oo esse se esse ee ee GR ee AR AR AA AR Re ee non ee ee RR Se ee 1 EE SE IE ER OE EE ER OE Ed EO EO EE 1 LOCATION CONSIDERATIONS ccoo cia 2 ENVIO MENA OE N RE EO 2 Audible NOIE oren RE EE ER EE EE 2 Mounting and Cabinet Data EES SEGE ESE EED EG Re RED Ge REG ee n Ee Re GE SEE Ge ve Re See Vee Dee bee eb ee 2 use IE EIE AR EE EE EE EI EE EE EE N 3 Equipment Performance SE ees Ed ek ees ee eN ee Ee ee ees dei ge N Gee Gee N ee oe ee 3 Product OE OM s sees ooh OE AE ME RE EE EO ER a 3 System Grounding EG EE each EE EE EE Ge Ee Ge RS Ge ES Gata RE Gee EE ae ek Sees gaan EE ee 3 ELECTRICAL CONNECTIONS 0 io ie oie see see se in see diiniita tri iii dit 3 Overcurrent Protec ai N OE EE EE 3 Voltage EE AE ORE E EE N 3 Terminals EE Ee EG EG RE EE es GED GE ER GE GE ee ae Oe ge ed 4 SAGITARIO 5 Parallel COMEN A A aia 5 RS EE EE EE EE EE NN 5 PM SERIES INSTALLATION INSTRUCTIONS ees se ese ee se ees e
9. d side of the service entrance disconnect only MAINTENANCE OF THIS SURGE PROTECTION DEVICE SHOULD BE PERFORMED BY QUALIFIED PERSONNEL ONLY DURING NORMAL OPERATION HAZARDOUS VOLTAGES ARE PRESENT INSIDE THE UNIT WHEN SERVICING THIS UNIT BE SURE TO FOLLOW ALL ELECTRICAL SAFETY PRECAU TIONS ALL POWER SOURCES TO THIS UNIT SHOULD BE LOCKED OFF BEFORE SERVICING THIS WILL PREVENT THE RISK OF RECEIVING AN ELECTRICAL SHOCK Page 2 Service Clearance In addition to national and local code requirements 32 inches of service clearance is needed at the front of the SPD Equipment Performance To obtain the maximum system performance the unit must be located as close to the circuit to be protected as possi ble minimizing the interconnecting wire length For every foot of wire length approximately one 1 nanosecond of turn on turn off time will be added and approximately 175 volts 6kV 3kA 8 20 microseconds will be added to the clamp voltage For optimum transient surge protection staged surge suppression should be implemented at the service entrance and all other electrical connections to the building telephone CATV etc It should also be implemented at recognized surge generating loads within the building arc welding rigs large motors switched capacitors etc Additionally it should be implemented for sensitive electronic loads computer equipment facsimile machines copy machines solid state motor drives variable fr
10. e cnn ron Re ee ee ee 10 Figures Figure 1 SPD Mounting Requirements oooooccoccconononancnonconnnononcnnnnonnnnonncc recon ee ee ee Ge ee Re ee ee 2 Figure 2 Typical Parallel Connection esse se ses se ee Ge Ge ee SA Ge Ge GR GR ee Re GR Gee Ge RA Ge ee ee eke ek 4 Figure 3 Typical Wiring Diagrams oeae cece se ee se Ge Ge GR ee Re GR Ge Ge Re Ge Ge ee eek Re ee GR eke Re ee GR ek de 6 Figure 4 Status Panel with Surge Counter Option ees see se ee Re ee ee ee ee RA GR GRA GR ee AR 9 Figure 5 Troubleshooting Flow Chart esse ese ees se se se ek ee Ge GR GR Ge Re GR Ge ee ee Se ee GR ke Re eke ee 11 Figure 6 Display Board Locator Diagram iese se see se se ese Ge Ge Re Ge Ge ee on nono Ge GR cnn Ge Re rn ee nos 13 INTRODUCTION Thank you for choosing the APC SurgeArrest PM3 Series Surge Protection Device The APC non modular Surge Protection 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 impera tive to maximize the surge suppressor s effectiveness and performance Read and understand all information contained in this manual prior to installation This manual is to be used as a guide for installing the device The procedures contained in this manual are not intended to supercede local or national electical codes Check all applicable electrical codes to assure compliance In all instances l
11. e see ee ee ee ee ee Gee ee ee ee ee ee ee ee ae 5 Typical Unit Installation Three Phase WYE 4 Wire plus Ground sesse esse ese ee see ee ee ee ee ee 5 Discontiect Swit h OPHON es DE SEE GE Ge VER ee SEER ic ee ee 7 OPERATION and FEATURES 655 5 Es EG ten Gide Bist tee de See ee de cu toa aout he ee Es GO GE bee de Eb ees Ee ig 8 Status Panel Controls Indicators and AlarmS ees esse ee see ee ee ee Re ee ee Re ee Re ee ee Re ee ee Re ee ee ee 8 Audible Alarm and Control incite ee Vee sn De ed BEERS EG Ee EG GER edad oak Ge Gee ed 9 Surge Counter OPLOS be Ee ee iio 9 BA AAS EER EE EE RE EE ER EE EE OE 9 CORRECTIVE MAINTENANCE Repair ees esse ese ee ese ese ee se ese ee see ee een ee Gee ee ee Gee ee Re Re ee ee ee ee ee ee ee 10 TroublesHiooun ge Ee ER ER A de Se ge ee ERG Ee EG ee ee ES De Ve Gee Ee 10 Display Board Removal and Replacement InstrucHONnS sesse sesse ese ee ee ee ee Re Ge ee GR ge ee ee 12 PREVENTIVE MAINTENANCE Inspection and Cleaning ees sesse see ee ee see se ese ee ee ese ee ee see ee ee 12 REPLACEMENT PARTS tes ees lis 12 LIMITED WARRANTY ie cot se EE ese beers ite Gees ee SE tas 14 TECHNICAL SUPPORT iese sees ek pat hi ese RR GE RR KEN Se KS Ee Ke BEE GER a ga eet ek esse ee eg ee N og 14 Contents continued Tables Table 1 Voltage Rating and Service Type by Model ee se ee RR Re ee ee ee ee Ge ee 4 Table 2 Relay Contact Pin Arrangement ees esse ee ee ee ee Ge ee RA ee GR e
12. e sup pression system or device depends on a proper grounding system Incorrect grounding practices will reduce the effec tiveness or interfere with SPD system operation and performance as well as endanger personnel and equipment For the best performance use a single point ground system where the service entrance grounding electrode system is con nected to and bonded to all other available electrodes building steel metal water pipes driven rods etc For sensitive electronics and computer systems it is recommended that the ground impedance measurement be 25 ohms or less When a metallic raceway is used as an additional grounding conductor an insulated grounding conductor should be run inside the raceway Adequate electrical continuity must be maintained at all raceway connections Do not use iso lating bushings to interrupt a metallic raceway run A separate isolated ground for the SPD is NOT recommended __ On 4 Wire Power Systems neutral to ground bonding should be installed per the NEC Failure to do so could cause equipment damage ELECTRICAL CONNECTIONS Overcurrent Protection The Surge Protection Device SPD draws very little current under normal conditions and will only conduct for a brief duration upon encountering a transient surge voltage APC SPDs contain UL Listed internal fusing to protect against abnormal voltage conditions Note Fuses are not replaceable Voltage Rating Prior to mounting the SPD verify that the unit
13. equency drives etc For interconnected electronic loads via data cabling surge pro tection devices should also be utilized to protect the devices on either end of the interconnecting data cables APC manufactures a complete line of surge protection devices for both alternating current AC and direct current DC applications Contact an authorized APC reseller or order directly from APC at www apc com Product Orientation To decode the Model Number and determine the unit s configuration locate the printed nameplate on the inside of the unit door Note The Serial Number Date of Manufacture and UL 1449 Suppression Voltage Rating SVR are also on the unit identification nameplate The Model Number can be decoded as follows e PM identifies a SurgeArrest Panel Mount product The following letter indicates the voltage and wiring con figuration of the device e Following this letter is the number 3 This number identifies the surge current ratings to be 120kA per phase e Following the number 3 is the letter X This indicates that the unit is non modular e Following the letter designation is optional equipment shown as D Disconnect S Surge Counter Options are detailed later in this manual System Grounding An equipment grounding conductor must be used on all electrical circuits connected to the SPD This requirement is primarily for safety although SPD performance is enhanced by proper grounding Proper operation of any surg
14. has the correct voltage rating by checking the nameplate voltage or model number The service type should match the intended power source See Table 1 for the voltage rating and ser vice type of the SPD Page 3 Table 1 Voltage Rating and Service Type by Model Model Number Voltage Rating and Service Type PMP3X 120 240 Volts Split Phase PMF3X and PMF3XS 120 208 Volts 3 Phase WYE 5 Wire PMG3X 277 480 Volts 3 Phase WYE 5 Wire PML3X 347 600 Volts 3 Phase WYE 5 Wire Terminals Terminals have been provided inside the APC non modular SPD units for line phase neutral if used and equip ment safety ground connections Terminal wire size range for all models is 8 AWG 1 AWG Installation torque is 65 inch pounds VERIFY THAT ALL POWER WARNING CIRCUITS ARE DE ENERGIZED BEFORE MAKING CONNECTIONS All electrical connections should be performed by a qualified licensed electrician All wiring must comply with the National Electric Code NEC and applicable local codes To Protected Loads ry yy Phase A Phases Neutral Bus Neutral if used Ground dE Ground Bus Phase B Phase C Neutral if used Ground Interconnecting Wiring Minimize Length Figure 2 Typical Parallel Connections Avoid Sharp Bends Page 4 Parallel Connection When making a parallel type of connect
15. icensed electrician To install a PM3 SPD refer to Figure 3 and proceed as follows 1 Unpack and inspect the unit for signs of damage If the unit is damaged contact APC Customer Service at 1 800 800 4APC See Page 14 for obtaining service under the Warranty 2 Locate where the SPD will be installed Ensure the wire lengths from the SPD to the service panel are kept to a minimum 3 Carefully remove the front cover by loosening the four 4 captive screws that secure the front cover to the chassis Insure the ribbon cables attached to the diagnostic faceplate are not mechanically stressed or become unplugged DO NOT ALLOW THE DIAGNOSTIC FACEPLATE TO HANG BY THE RIBBON CABLES 4 Two holes are provided for the installation of wiring The unit is shipped with a three 3 piece plug for use in plugging the unused hole If the desired hole is plugged remove the plug by removing the wing nut along with the inner and outer plug pieces 5 In order to keep wiring length and bend radii at a minimum APC recommends that wiring be installed through the left side of the SPD APC also recommends that the hole be sealed with putty after wiring installation 6 Drill four 4 pilot holes mounting holes in the SPD are 5 16 in diameter to provide for mounting of the SPD VERIFY THAT ALL POWER WARNING CIRCUITS ARE DE ENERGIZED BEFORE MAKING CONNECTIONS All electrical connections should be performed by a qualified licensed electrician All
16. ion Figure 2 the length of the wiring to the Surge Protection Device SPD must be kept as short as possible to substantially enhance the performance Long wire runs are to be avoided for the unit to perform as intended To reduce the impedance the wire displays to surge currents the phase neutral if used and ground conductors are to be routed within the same conduit and should be tightly bundled or twisted together to optimize performance of the unit Sharp bends in the conductors are to be avoided Wire Size With a parallel connection the size of the wiring to the SPD is independent of the ampere rating of the circuit to be protected The recommended wire size is based on the unit s transient surge current capabilities 6 AWG is the rec ommended wire size for phase neutral and ground Surge Protection Devices are designed for use on the load side of the service entrance disconnect only PM SERIES INSTALLATION INSTRUCTIONS Typical Unit Installation Three Phase WYE 4 Wire plus Ground This section provides basic installation instructions for the PM3 SPD Per UL 1449 Paragraph 1 4 SPDs are intended for installation on the load side of the main overcurrent protection Locate the SPD as close as possible to the circuit to be protected to minimize the wire length This will optimize SPD performance Note that these instructions are not intended to supercede local or national codes The installation should be per formed by a l
17. low the PM3X unit to communicate with one 1 external device Page 9 Table 2 Relay Contact Pin Arrangement Pin Contact Type 1 Normally Closed 1 2 Common 1 3 Normally Open 1 4 7 Normally Closed 2 5 8 Common 2 6 9 Normally Open 2 NOTE Pin pairs 4 amp 7 5 amp 8 and 6 amp 9 are connected via jumper internally The combined current of each pin pair may not exceed 1 Ampere CORRECTIVE MAINTENANCE Repair SurgeArrest PM3X Series units are designed for years of reliable trouble free operation However even the most reliable equipment can fail Built in diagnostics are an integral part of the PM3X and indicate if service is required Audible Alarms and abnormal illumination of LEDs indicate problems within the PM3X and possibly within the electrical system Quality SPDs such as the PM3X Series are designed and tested to withstand severe duty However there are various electrical distribution problems that a PM3X will not protect against Should a problem arise a qualified technician should first perform an overview of the electrical distribution system including verification of proper voltages and phasing Regardless of the cause PM3Xs will sacrifice themselves while attempting to protect their load Accordingly a failed PM3X may indicate other problems as its failure is the effect rather than the cause Standard troubleshooting procedures should be used to isolate problems
18. lows a Q Strip about 3 8 95 cm of the connecting wire insulation from each wire Note Terminal wire size range is 8 AWG to 1 AWG The recommended wire size for phase neutral and ground is 6 AWG Twist the end of each connecting wire so it is uniform Slide the connecting wires through the hole in the side of the SPD Loosen the screws at the terminal lugs and insert the appropriate wire into the hole in each terminal lug Tighten the phillips head screw down onto the wire and torque to 18 inch pounds Note The connecting wires should be kept as short as possible to enhance the performance of the SPD Connect a wire in conduit to the safety ground bus of the distribution panel and to the ground connection of the SPD as shown in Figure 2 and as marked on the unit Proper grounding is essential use a green wire or yellow green striped wire for the ground connection Torque the phillips head screws to 18 inch pounds Connect a wire in conduit to the NEUTRAL bus of the panel and to the NEUTRAL connector of the SPD as marked on the unit Use a white wire or mark with a white band for the neutral connection Torque the phil lips head screws to 18 inch pounds Connect a wire in conduit to each phase HOT feed on the LOAD side of the circuit breaker in the AC dis tribution panel Use a 30A to 40A 40A preferred circuit breaker with the appropriate number of poles Turn the circuit breaker OFF before making any connection Refer to
19. mponent parts within the warranty period previously described APC specifically disclaims all other warranties expressed or implied Additionally APC will not be responsible for incidental or consequential damages resulting from any defect in any product or component thereof TECHNICAL SUPPORT and CUSTOMER SERVICE United States and Canada 1 800 800 4APC This manual as well as information about the entire APC product line is available on the internet at www apc com Prior to calling APC for technical assistance or ordering parts please have the following information available Model Number of unit Serial Number of unit Manufacture Date Purchase Date Your Order Number Return Shipment Address American Power Conversion Corporation 132 Fairgrounds Road P O Box 278 West Kingston Rhode Island 02892 USA Page 14
20. ocal and or national electric code requirements are to be followed This device must be installed by a licensed electrician The electrician should follow the steps outlined in this man ual to insure 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 PM Series non modular product line is a parallel SPD designed for service entrance and downstream panelboard applications The PM Series provides surge protection per phase and is available with a 120kA per phase ratings All APC products are extensively tested according to industry standards as set by IEEE C62 41 and C62 45 for Categories A B and C The connection method of these devices may require several feet of wire Increased lead length adversely affects clamping voltages Save this manual It includes instructions regarding the product warranty and replacement parts Installation During installation into an electrical system SPD s must NOT be energized until the electrical system is completely installed inspected and tested All conductors must be connected and functional including the neutral if required The voltage rating of the device and system must always be verified before energizing the SPD Failure to follow these guidelines can lead to abnormally high voltage being applied to the SPD This may cause the SPD to prematurely fail or significantly sho
21. or an extended period of time it may be necessary to clean the unit and make a complete inspection of the unit prior to installing and placing it into service Page 1 LOCATION CONSIDERATIONS Environment The unit is designed to operate indoors in an ambient temperature range of 40 C 40 F to 60 C 140 F with a relative humidity of 0 to 95 non condensing The standard unit is in a Type industrial use enclosure intended for indoor use Primarily it provides a degree of protection against contact with the enclosed equipment It should not be installed in areas with excessive dust flammable materials corrosive vapors or explosive atmospheres Surge Counter option has an operating temperature range of 0 C 32 F to 60 C 140 F Audible Noise The unit background noise is negligible and does not restrict the location of the installation Mounting and Cabinet Data The PM Series SPD is designed to be wall mounted The unit size is as shown if Figure 1 and weighs 17 pounds 7 71 kg Shipping weight is 19 pounds 8 618 kg ed 1524 om B f Sn 5 5 D D Mounting Holes A are 5 16 7 11 mm Unit Weight is 17 lbs 7 71 kg 8 75 9 5 Display 22 22 cm 24 13 cm ao Board 20 32 cm 1 E y gt as Y y Le 8 0 ad 20 32 cm Figure 1 SPD Mounting Requirements Surge Protection Devices are designed for use on the loa
22. rd refer to Figure 6 and proceed as follows 1 Disconnect power to the SPD 2 Carefully remove the front cover by loosening the four 4 captive screws that secure the front cover to the chassis Insure the ribbon cables attached to the diagnostic board are not mechanically stressed or become unplugged DO NOT ALLOW THE DIAGNOSTIC FACEPLATE TO HANG BY THE RIBBON CABLES 3 Remove the connectors one at a time from the existing board and insert them into the appropriate connector on the replacement board 4 Remove the four 4 machine screws hex nuts and toothed washers that secure the display board to the front cover Set the faulty display board to one side 5 Install the replacement board into the panel install the machine screws hex nuts and toothed washers tighten securely 6 Carefully replace the front cover ensuring that the ribbon cables are not pinched or crushed by the front cover apply power to the SPD PREVENTIVE MAINTENANCE Inspection and Cleaning Inspection of the SPD should be performed periodically to maintain reliable system performance and continued tran sient voltage surge protection While it is difficult to establish a preventive maintenance schedule because conditions vary from location to location inspections for failed modules and other signs of trouble utilizing the built in diagnos tics should be performed on a routine basis weekly or monthly REPLACEMENT PARTS The only replaceable item in the SPD is the
23. rten the effective life The warranty does not cover an incorrectly installed device Testing Any factory or on site testing that exceeds the normal operating voltage such as high potential insulation testing or any other tests where the suppression components will be subjected to voltages higher than their rated turn on volt age must be run with the suppressor disconnected from the power source For 4 wire TVSS devices the neutral con nection at the TVSS 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 volt age testing will result in damage to the suppression components and or other electronic components UNPACKING and PRELIMINARY INSPECTION e Inspect the entire shipping container for damage or signs of mishandling before unpacking the unit e Remove the cardboard packing and further inspect the unit for any obvious shipping damages e If damage found is a result of shipping or handling immediately file a claim with the shipping company and forward a copy to APC Storage The unit should be stored in a clean dry environment Storage temperature is 40 C 40 F to 60 C 140 P Avoid exposing the unit to areas of high condensation All of the packaging materials should be left intact until the unit is ready for installation If the unit has been stored f
24. wer outage occur Please note There is a 10 15 minute charging cycle after first energization before the surge counter operates The Surge Counter registers the sum of L N and L G transient surges There are Count and Reset touchpads Pressing the Count touchpad increments the counter by one Pressing the Reset touchpad resets the counter to zero count Dry Contacts The PM3X Series includes a set of Dry Contacts which utilize a DB 9 connector This feature provides two sets of normally open NO and normally closed NC contacts through the DB 9 connector These relay contacts can be used for remote indication of the PM s operating status by changing state when there is an alarm condition Examples could include a computer interface board and emergency management system etc The relay contact pin arrangement is outlined in Table 2 Please note the jumpered connections Pins 7 8 amp 9 do not represent a third set of contacts For applications using Dry Contacts please note the following information The Dry Contacts are designed for low voltage or control signals only The maximum switching current is 1 amp The maximum switching voltage is 24 volts DC or AC e Higher energy application may require additional relay implementation outside the PM3X Damage to the PM3X units relay caused by implementation with energy levels in excess of those discussed in this manual will not be covered by warranty Note that the Dry Contacts will al
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