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R
®
Surge Arrest PM Series
Model PMH3XLM
(For 380/220 Volt Power Systems)
Non-Modular Surge Protection Device (SPD)
User’s Manual
This User Manual is intended for use by qualified personnel only. The Surge Protection Device
defined in this manual contains no user-serviceable parts.
Installation and maintenance of the Surge Protection Device is to be accomplished by qualified/
licensed electrical personnel only, using the Service Manual for guidance.
Installation and maintenance of the Surge Prot
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® SurgeArrest PM Series Contents INTRODUCTION.......................................................................................................................................... 1 WARNINGS, CAUTIONS, and NOTES ..................................................................................................... 1 INSTALLATION and MAINTENANCE CONSIDERATIONS .............................................................. 1 Fastener Installation ................................................
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Contents - continued Tables Table 1 - Voltage Rating and Service Type (by Model).................................................................... 4 Table 2 - Relay Contact Pin Arrangement ....................................................................................... 10 Figures Figure 1 - SPD Mounting Requirements............................................................................................ 3 Figure 2 - Typical Parallel Connections........................................
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INTRODUCTION Thank you for choosing the APC SurgeArrest PMH3XLM Series Surge Protection Device (SPD). This User Manual provides important information for the owner of APCs Non-Modular PMH3XLM SurgeArrest SPD. Specific technical information contained in this manual has been provided for planning purposes only. Note: SPDs are also known as Transient Voltage Surge Suppressors (TVSS). The SPD must be installed by qualified/ licensed electrical personnel only, using the Service Manual provided with t
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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). 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 for an extended period of time, it may be necessary to clean the unit and make a complete inspection of the unit prior to having it installed and placing it into service. LOCATION CONSIDERATIONS
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WARNING • INSTALLATION or MAINTENANCE OF THIS SURGE PROTECTION DEVICE MUST BE PERFORMED BY QUALIFIED PERSONNEL ONLY. • DURING NORMAL OPERATION, HAZARDOUS VOLTAGES ARE PRESENT INSIDE THE UNIT. • WHEN SERVICING THIS UNIT, SERVICE PERSONNEL MUST 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. Equipment Performance For planning purposes, in order to obtain max
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**On 4-Wire Power Systems, neutral to ground bonding should be installed per national and local electrical codes. Failure to comply may result in damage to the equipment.** 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 internal fusing to protect against abnormal voltage conditions. Note: Fuses are not replace
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To "Protected" Loads Phase A Phase B Phases Phase C Neutral Bus Neutral Neutral (if used) Ground Ground Ground Bus Interconnecting Wiring * Minimize Length * Avoid Sharp Bends Figure 2. Typical Parallel Connections WARNING • MAINTENANCE or INSTALLATION OF THIS SURGE PROTECTIVE DEVICE MUST BE PERFORMED BY QUALIFIED PERSONNEL ONLY. • DURING NORMAL OPERATION, HAZARDOUS VOLTAGES ARE PRESENT INSIDE THE UNIT. • WHEN HAVING THIS UNITSERVICED, ENSURE SERVICE PERSONNEL FOLLOW ALL ELECTRICAL SAFETY
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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. Have the electrician use the Service Manual to locate and repair the fault. Status Panel Controls, Indicators, and Alarms All indicators and controls are located on
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Dry Contacts The PMH3XLM includes a set of Dry Contacts available at a terminal block at the right-front of the inside panel. This feature provides two sets of normally open (NO) and normally closed (NC) contacts which can be used for remote monitoring of the PMH3XLM’s operating status by changing state when there is an alarm condition. Examples of remote monitoring equipment include a computer interface board, emergency management system, or APC’s Environmental Monitoring Unit Option (see Envi
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CORRECTIVE MAINTENANCE (Repair) SurgeArrest PMH3XLM 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 PMH3XLM and indicate if service is required. Audible alarms and abnormal illumination of LEDs indicate problems within the PMH3XLM, and possibly within the electrical system. Quality SPDs, such as the PMH3XLM, are designed and tested to withstand severe duty. However, various elec
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PREVENTIVE MAINTENANCE - Inspection and Cleaning Inspection of the SPD should be performed periodically to maintain reliable system performance and continued transient voltage surge protection. While it is difficult to establish a preventive maintenance schedule because conditions vary from location to location, inspections for failed LEDs and other signs of trouble utilizing the built-in diagnostics should be performed on a routine basis (weekly or monthly). REPLACEMENT PARTS The only replaceab
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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 protection. 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 t
