990-0524 10/00
Copyright 2000 American Power Conversion Corporation
PM3 and PM4 Series Modular Surge Protection Device SPD User’s Manual
132 Fairgrounds Road P.O. Box West Kingston, Rhode Island 02892 USA
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Contents
Contents - continued
Tables
Figures
Unpacking & Preliminary Inspection
INSTALLATION
TESTING
INTRODUCTION
Mounting and Cabinet Data
LOCATION CONSIDERATIONS
Environment
Audible Noise
Surge Protection Devices are designed for use on the load side
Service Clearance
of the service entrance disconnect only
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On 4-Wire Power Systems, neutral to ground bonding should be
installed per the NEC. Failure to do so could cause equipment damage
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Parallel Connection
Interconnecting Wiring
Wire Size
Typical Unit Installation - Three Phase WYE, 4 Wire, plus Ground
Always Install the SPD on the LOAD side of the main disconnect
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ing being protected
Phase A Phase B Neutral Ground Phase C
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Disconnect Switch Option
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Operation and Features
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Status Panel Controls, Indicators, and Alarms
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Surge Counter Option
Dry Contacts Option
Corrective Maintenance Repair
Troubleshooting
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Display Board Removal & Replacement Instructions
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Diagnostic Board Removal and Replacement Instructions
Surge Module Removal and Replacement Instructions
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Preventive Maintenance - Inspection and Cleaning
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Replacement Parts Listing
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APC offers the items listed in Table 4 as field replaceable items
Limited Warranty
Technical Support and Customer Service
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