User Manual

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This section provides pertinent safety information that must be considered before install-

ing the Panelmount SPD.

• Do not install this device during a lightning storm.

• For indoor use only.

• Do not install the surge protector in a hot or excessively moist location.

• Other safety considerations are as follows:

SurgeArrest

Surge Protection

Device

990-0523 12/00

Introduction

Thank you for choosing APC’s SurgeArrest PM 2 Series Panelmount Surge Protection Device!

This manual provides instructions for installing the PM 2 Series SurgeArrest Panelmount Surge Protection Device (SPD), as well as an optional

Flush-Mount Kit. The PM 2 Series Panelmount SPD (Figure 1) can be mounted three ways. The preferred method of installation is to mount the

SPD directly to the outside of the distribution panelboard using the integral chase nipple on the body of the SPD. It can also be installed against a

panel/wall using installer-supplied hardware, or it can be installed using an optional Flush Mount Kit (p/n: FMK2). The latter two methods require

use of additional conduit and hardware (not provided).

Save this manual! It includes instructions for obtaining warranty service and for returning a defective device.

Please read and understand all information in this manual prior to installation. This manual is to be used as a guide for installing the device. The

procedures contained herein are not intended to supersede local or national electrical codes. Check all applicable electrical codes to ensure

compliance. In all instances, local and national electrical code requirements are to be followed.

The PM 2 Series is a single port parallel SPD designed for service entrance and downstream panelboard applications. The PM 2 Series uses a

chase nipple for installation, and offers an 80kA per phase (maximum) surge current rating.

The SPD provides protection from damaging transient voltage surges and spikes. Proper installation is imperative to maximize the effectiveness

and overall performance of this device.

This device must be installed by a licensed electrician. The electrician should follow the steps outlined in this manual to insure proper installa-

tion. A copy of the electrician’s invoice detailing installation of this device is required in order to obtain warranty service for the device.

Note: APC products are extensively tested to industry standards as set by IEEE C62.41 and C62.45, for Categories A, B, and C. The PM 2 Series

is listed to UL 1449 Second Edition. This unit has passed UL 1449 Second Edition’s most severe fault current test as listed in Section 37.3. The

PM 2 Series is qualified for all circuit capacities.

During installation into an electrical system, the PM 2 Series must NOT be energized until the electrical system is installed, inspected and tested.

All conductors must be connected and functional, including neutral (if required). The voltage rating of the device and system must always be ver-

ified before energizing the SPD.

Failure to follow the guidelines in this manual can lead to abnormally high voltage being applied to the SPD. This may cause the PM 2 Series unit

to become inoperative. The warranty does not cover an incorrectly installed device.

Failure to disconnect the SPD during elevated voltage testing will result in damage to the suppression components and/or other electronic compo-

nents (see Safety Information).

Parts List and Inspection

Panelmount

User’s Manual

WARNING

• MAINTENANCE OF THIS SURGE PROTECTION DEVICE SHOULD BE PER-

FORMED 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

PRECAUTIONS.

• ALL POWER SOURCES TO THIS UNIT SHOULD BE LOCKED OFF BEFORE SER-

VICING. THIS WILL PREVENT THE RISK OF RECEIVING AN ELECTRICAL

SHOCK.

WARNING

VERIFY ALL POWER

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.

BONDING BETWEEN CONDUIT

CONNECTIONS NOT AUTOMATIC

AND MUST BE PROVIDED AS

PART OF THE INSTALLATION

(PM 2 Series)

Installation

CAUTION

Items included in the package consist of the following:

• 1 PM 2 Series Panelmount SPD.

• 1 User’s Manual (this document).

• Warning Labels (must be installed on or near the unit and be visible at all times).

If the Flush Mount Kit was ordered, additional parts are supplied as follows:

• 1 Flush-mount panel

• 4 Pan-head Screws

Carefully inspect each item in the package for signs of damage. If damage is found,

please contact APC Customer Service (1-800-800-4APC). For more information about

this product or other APC products, go to www.apc.com on the internet.

How to Install the PM 2 Series Panelmount SPD

To install the SPD to the distribution panelboard, proceed as follows:

1. Ensure power to the panelboard has been removed.

2. Remove the screws securing the outer panelboard cover to the distribution panel-

board (panelboard) (see Figures 1 and 2).

3. Select the location where the SPD will be mounted (should be based on the inter-

nal configuration of the panelboard and the physical surroundings outside the

panelboard). Note that the SPD’s lead length must be minimized to achieve max-

imum performance. Once the location has been determined, drill or punch a 7/8"

diameter hole in the top, bottom or side surface of the panelboard. The ideal

mounting location will also allow the SPD to be secured to the wall or panel, in

addition to using the chase nipple.

4. Screw one of the conduit nuts onto the chase nipple until it bottoms out. Note:

bonding of the conduit connections to the panelboard is not automatic, and must

be provided as part of the installation (remove paint from the panelboard surface

prior to installing the SPD and chase nipple.

5. Push the leads from the SPD through the 7/8" diameter hole toward the inside of

the panelboard. Push the leading part of the chase nipple through the hole and

secure the SPD using a second conduit nut (sandwiching the metal wall of the

panelboard between the two conduit nuts.

6. If possible, to provide extra rigidity in the installation, attach the SPD to the wall

or panel using installer-supplied hardware.

7. Trim the leads from the SPD as short as possible, but still allowing the following

connections to be made (see Figure 3):

• Black wires (two or three in number) go to the nearest free circuit breaker. In

all installations, it is not critical which black wire goes to the positions on the

circuit breaker. The phase of each lead is marked with a white band and letter

designator (A, B, or C). Connect the SPD leads to the appropriate phases.

• Connect the white Neutral wire to the neutral bar using a set screw (in some

applications, this connection may not be required).

• Connect the green Ground wire to the panelboard ground.

8. Install the panelboard cover. Note: Conducting dielectric and/or high potential

testing will cause internal damage to the panelmount SPD unit. Do not perform

dielectric or high potential tests with the phase or neutral panelmount SPD wires

connected.

9. Install any included warning labels near the panelmount SPD. Ensure the labels

are placed where they will be visible at all times.

10. Apply power to the panelboard. Depending on the PM 2 model, either 2 (split-

phase applications) or 3 (3 phase applications) LEDs will illuminate on the SPD.

If any connected phase LED on the SPD does not light, remove power, check all

connections and test again. If any connected phase LED still does not illuminate,

contact APC Customer Service at 1-800-800-4APC or APC Technical Support at

www.apc.com on the internet.

20 Amp

Breaker

Panelboard

Outer Breaker Panel

Cover Screws

(6 places, typical)

PM 2 Series Surge

Protection Device

Wiring to Breaker:

Phase A - Black

Phase B - Black

Phase C - Black

Ground - Green

Neutral - White (if used)

Wiring to Neutral

Figure 1. PM 2 Series Panelmount Surge Protection Device Installation (typical)

or Ground Bus:

Integral Chase Nipple

(nut installed)

Chase Nipple Nut

Metal Wall

of Panelboard

Mounting Screws

(4 places, not supplied)

CAUTION

CONDUCTING DIELECTRIC AND/OR HIGH POTENTIAL

TESTING WILL CAUSE INTERNAL DAMAGE TO THE PANELMOUNT

SPD UNIT. DO NOT PERFORM DIELECTRIC OR HIGH

POTENTIAL TESTS WITH THE PHASE OR NEUTRAL

PANELMOUNT SPD WIRES CONNECTED.

Safety Information

Summary of content (2 pages)

PAGE 1
Introduction 1 Introduction Thank you for choosing APC’s SurgeArrest PM 2 Series Panelmount Surge Protection Device! ® This manual provides instructions for installing the PM 2 Series SurgeArrest Panelmount Surge Protection Device (SPD), as well as an optional Flush-Mount Kit. The PM 2 Series Panelmount SPD (Figure 1) can be mounted three ways.
PAGE 2
5 How to Install the SPD and Flush Mount Kit (p/n: FMK2) Mounting Screws (4 places, through flange into mounting surface - not provided) Mounting Surface SurgeArrest PM 2 Series SPD Phase, Ground and Neutral Wires Figure 2. PM 2 Series SPD Installation (side view, typical) To "Protected" Loads Surge Protection Device (SPD) Phase A The panelmount SPD can be flush-mounted when the application requires a more aesthetic installation. To install the SPD using the FMK2, proceed as follows: 1.