Tii 317 Series User Manual download pdf

TII P/N 92222901

141 Rodeo Drive tii 317 Series

Edgewood NY11717 Surge Arrester

Toll Free 888.844.4720

www.tiinettech.com Rev B 03/08

INSTALLATION NOTE

1. GENERAL

1.1 The TII 317 Series Surge arrester modules contain

a three electrode gas tube engineered to protect

equipment from lightning and induced surges.

1.2 Recommended for use on control circuits, buried

cable and other specialized communication links.

National Electric Code Requirement: The protector

shall be installed per National Electric Code

ANSI/NFPA 70, Article 800, Section C, and shall meet

all applicable local safety codes.

2. WARRANTY

2.1 See TII Warranty. If this unit fails during the

warranty period, the factory should be requested to

authorize return. Return the unit prepaid when

authorization is received. Units that fail due to abuse or

normal wear should be discarded.

3. INSTALLATION

3.1 Remove the TII 317 and inspect it for damage. If

damaged, obtain another unit.

3.2 Three spade tip leads facilitate connection to

binding post terminals, using up to #10 screws.

3.3 The two outer leads are connected across the two-

wire circuit being protected, and the center lead to

ground. See Figure 1 for connections.

3.4 Loosen the nut on the appropriate ground stud and slide

the ground spade lug of the surge protector module

under the nut and washer and tighten down the nut.

3.5 Terminate the Telco Side cable (i.e., aerial or buried

drop) in between the bottom set of washers and bottom

nut of the appropriate stud (one conductor to Tip and

one to Ring). Tighten down the nut.

3.6 Terminate the Customer Side cable under the top set of

washers and the top nut of the appropriate stud (one

conductor to Tip and one to Ring). Tighten down the nut.

4. PRECAUTION

4.1 When clearing trouble on a line that contains gas tube

protector modules, and when the test board has

indicated that there may still be a power contact, inspect

the non-cable portion of the line from the ground for any

power contacts or evidence of damage from power

contacts.

4.2 Special care should be taken in making the inspections

where the line runs through trees or where visibility is

limited.

4.3 If a power contact is found, notify the proper authority so

it may be corrected.

4.4 Do not work on the line until the power contact has been

cleared.

4.5 If no contact is found but the test board still have

indications of a power contact, wear insulating gloves

while working with the test board to clear the line.

TII 317

Telco/Customer

Figure 1

TII 317

Telco/Customer

Ground

Summary of Contents

Page 1

TII P/N 92222901 141 Rodeo Drive tii 317 Series Edgewood NY11717 Surge Arrester Toll Free 888.844.4720 www.tii

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Tii 317 Series User Manual

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