Instruction/ maintenance manual of the product PMH3XLM American Power Conversion
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Model PMH3XLM (For 380/220 Volt Power Systems) Non-Modular Surge Protection Device (SPD) User’s Manual Copyright © 2001 American Power Conversion Corporation 132 Fairgrounds Road P.O. Box 278 West Kingston, Rhode Island 02892 USA 990-0538 6/01 R Surge Arrest PM Series ® This User Manual is intended for use by qualified personnel only.
SurgeArrest PM Series INTRODUCTION ................................................................................................................................ .......... 1 WARNINGS, CAUTIONS, and NOTES ............................................
Tables Table 1 - Voltage Rating and Service Type (by Model) .................................................................... 4 Table 2 - Relay Contact Pin Arrangement ................................................................................
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.
Storage The unit should be stored in a clean, dry environment. Storage temperature is -40 o C (-40 o F) to +60 o C (+140 o 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.
Equipment Performance For planning purposes, in order to obtain maximum system performance, the SPD must be located as close to the circuit to be protected as possible, minimizing the interconnecting wire length.
**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.
OPERATION and FEATURES SPD's do not require operator intervention after installation. However, the LEDs should be checked weekly to ensure that the SPD is functional. NOTE: The PMH3XLM has a green LED for each phase which extinguish when the module is no longer providing protection (fault condition).
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.
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.
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.
PREVENTIVE MAINTENANCE - Inspection and Cleaning Inspection of the SPD should be performed periodically to maintain reliable system performance and continued transient voltage surge protection.
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.
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