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www.apc.com
®
SurgeArrest PM Series
PM3, PM4, and PM4Y Series
Modular Surge Protective Device (SPD)
User’s Manual
American Power Conversion Corporation
132 Fairgrounds Road
P.O. Box 278
West Kingston, Rhode Island 02892 USA
APC0212040A
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® SurgeArrest PM Series Contents INTRODUCTION ......................................................................................................................................... 1 Installation.............................................................................................................................................. 1 Testing ....................................................................................................................................................
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® SurgeArrest PM Series Contents FIGURES Figure 1 - Typical Parallel Connections ................................................................................................ 4 Figure 2 - Basic PM3 and PM4 Configuration with Disconnect Switch Option ................................ 5 Figure 3 - Basic PM3 and PM4 Configuration and Wiring Diagram .................................................. 7 Figure 4 - Basic PM4Y Configuration and Wiring Diagram ..........................................
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INTRODUCTION Thank you for choosing the APC SurgeArrest PM3, PM4, or PM4Y Series Surge Protective Device. The APC modular Surge 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. Read and understand all information contained in this manual prior to installation. This manual
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Unpacking and Preliminary Inspection • Inspect the entire shipping container for damage or signs of mishandling before unpacking the unit. • Remove the cardboard packing and further inspect the unit for any obvious shipping damages. • 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 o o o o The unit should be stored in a clean, dry environment. Storage temperature is -40 C (-40 F) to +60 C (+140 F).
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Service Clearance In addition to national and local code requirements, 36 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 possible, 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 microsecond) will be added t
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Table 2: Voltage Rating and Service Type (by Model) Me odel Number Voltage Rating and Service Typ PMP3, PMP3D, PMP4, and PMP4D 120/240 Volts, Single Phase PMF3, PMF3D, PMF3S, PMF4, and PMF4D 120/208 Volts, 3-Phase, WYE, 5 Wire PMG3, PMG3D, PMG4, PMG4D, PMG4S, and PMG4DS 277/480 Volts, 3-Phase, WYE, 5 Wire PML3, PML3D, PML3S, PML4, PML4D, PML4S, PML4Y, and PML4DS 347/600 Volts, 3-Phase, WYE, 5 Wire Terminals Terminals have been provided inside the APC modular SPD units for the line (phase), neutr
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Wiring Size & Installation Torque 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 recommended wire size for phase, neutral and ground conductors. Disconnect Switch The PM Series is designed for connection to a 30A to 60A breaker. The PM3 and PM4 Series SPDs can be equipped with an optional internal disconnect switc
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PM SERIES INSTALLATION INSTRUCTIONS (Typical Unit - Three Phase WYE, 4 Wire, plus Ground) This section provides basic installation instructions for the PM Series SPD. Per UL 1449 Paragraph 1.4, SPD’s “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 instruction are not intended to supercede local or national code
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Figure 3: Basic PM3 and PM4 Configuration and Wiring Diagram (3-Phase WYE, 4-Wire, plus Ground) Page 7
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Neutral Conductor 5/16” Mounting Mounting Flange Hole (4 places) (4 places) Surge Module with LED (9 places) Phase C Connector Phase A Phase B Connectors Ground Conductor Fuse (9 places) Disconnect Not to exact scale. Door removed for clarity Figure 4. Basic PM4Y Configuration and Wiring Diagram (3-Phase WYE, 4-Wire, plus Ground) Page 8
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Operation and Features SPD’s do not require a great deal 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 protec- tion (fault condition). All of the PM Series of SPDs contain a diagnostic circuit which monitors the suppressor status continuously and automati- cally. If a fault condition were to occur, the built-in front panel audible alarm will sound and a red “Service” LED will light, indica
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Surge Counter Option In units so equipped, the surge counter option 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 power outage occur. NOTE: There is a 10 - 15 minute charging cycle once power is connected, before the surge counter operates. The surge counter registers the sum of L-N and L-G transient surges. There ar
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WARNING • MAINTENANCE OF THIS SURGE PROTECTIVE DEVICE SHOULD BE PERFORMED BY QUALIFIED ELECTRICAL PERSONNEL ONLY. • DURING NORMAL OPERATION, HAZARDOUS VOLTAGES ARE PRESENT INSIDE THE UNIT. • WHEN SERVICING THIS UNIT, BE SURE TO FOLLOW ALL ELECTRICAL SAFETY PRECAUTIONS. • ALL POWER SOURCES TO THIS UNIT SHOULD BE LOCKED OFF BEFORE SERVICING. THIS WILL PREVENT THE RISK OF RECEIVING AN ELECTRICAL SHOCK. Periodic Inspection and Cleaning Inspection of the SPD should be performed periodically to mainta
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Figure 6: Troubleshooting Flowchart Page 12
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WARNING • MAINTENANCE OF THIS SURGE PROTECTIVE DEVICE SHOULD BE PERFORMED BY QUALIFIED ELECTRICAL PERSONNEL ONLY. • DURING NORMAL OPERATION, HAZARDOUS VOLTAGES ARE PRESENT INSIDE THE UNIT. • WHEN SERVICING THIS UNIT, BE SURE TO FOLLOW ALL ELECTRICAL SAFETY PRECAUTIONS. • 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 & Replacement Instructions To remove the Display Board, refer to Figure 7 a
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Diagnostic Board Removal & Replacement Instructions To remove the Diagnostic Board, refer to Figure 8 and proceed as follows: 1. Disconnect power to the SPD. 2. Remove the board from the standoffs. 3. Remove the connectors one at a time from the existing board and insert them into the appropriate connector on the replacement board. 4. Install the replacement board onto the standoffs. Models PM3 and PM4 Figure 8: Diagnostic Board Locator Diagram Diagnostic Board Model PML4Y Page 14
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Surge Module Removal & Replacement Instructions Surge modules within the SPD may become damaged and require replacement. To remove and replace a surge module, refer to Figure 9 and proceed as follows: 1. Disconnect power to the SPD. 2. Open the door on the unit by loosening the two screws that secure the door latches in place. Slide the top latch upward and rotate it so that it no longer secures the door. Slide the bottom latch downward and rotate it so that it no longer secures the door. 3. Rem
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Replacement Parts Listing APC offers the items listed in Table 4 as field replaceable items. Table 4: Replacement Parts List APC Model Vn oltage SystemD: escriptio Part Works With Number 208/120V,3-Phase WYE M4 1s 60kAPhase Module allPMP4 unit 240/120V,SplitPhase 208/120V,3-Phase WYE M4N 1s 60kAN-GModule allPMP4 unit 240/120V,SplitPhase MV G44e 80/2771s 60kAPhase Modul allPMG4 unit MV G4N4e 80/2771s 60kAN-GModul allPMG4 unit MV L46e 00/3471s 60kAPhase Modul allPML4 unit MV L4N6e 00/3471s 60kAN-G
