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Instruction Manual IM00404002E
Effective January 2011
Introduction
This manual describes how to install a Surge Protective Device
(SPD) in parallel (shunt) across the AC supply of the following
electrical systems:
120/240V, Single Split-Phase
•
120/208V, Three-Phase Wye
•
The SPD is designed to be installed on service entrance, branch
panels, and / or individual equipment disconnects, and functions to
protect the electrical system from damaging voltage transients.
The connecting wires do not carry supply current. Instead, they
carry only short-duration currents that are associated with a
transient event.
These instructions do not cover all details, variations, or
combinations of the equipment, its storage, delivery, installation,
checkout, safe operation, or maintenance. If you require further
information regarding a particular application or installation that is
not covered in this manual, please contact Eaton's Power Quality
Technical Support at 1-800-809-2772, option 4, then select option 2.
Safety Precautions
A licensed / qualified electrician must complete all instructions
described in this manual in accordance with the U.S. National
Electrical Code, state and local codes, or other applicable country
codes. All electrical codes supersede these instructions.
warning! shoCk hazarDs
Improper installation can cause death, injury and / or
equipment damage. Follow all warning and cautions. Completely
read and understand the information in this instruction manual
before attempting to install or operate this equipment.
Improper wiring could cause death, injury, and / or equipment
damage. Only licensed / qualified electricians who are trained in the
installation and service of electrical devices are to install and service
this equipment.
Use appropriate safety precautions and equipment for arc flash
protection.
During normal operation, hazardous voltages are present inside
the SPD.
When servicing the SPD, follow all safe work practices to avoid
electrical shock.
CaUTion!
Do not perform a high-pot test with the SPD connected to the
electrical system. Failure to disconnect the SPD during a high-pot
test will result in damage to the SPD.
Figure 2. Locknut Mounting with 1/2" Locknut / Montage avec
contre-écrou de ½ po / Montaje con tuerca de seguridad de ½
pulg.
2
EatOn COrpOratIOn www.eaton.com
CHSP Type 1 Surge Protective Devices
Installation and Operating Guide
Refer to Figure 1, and look at the label on the SPD to verify that the
SPDs voltage, rating, and wiring configuration matches that of the
electrical system.
series
Voltage Code
CHSPT1ULTRA
120/240V Single Split-Phase
CHSPT1MAX
120/240V Single Split-Phase
CHSPT1MICRO
120/240V Single Split-Phase
CHSPT1-208Y
120/208V Three-Phase Wye
Figure 1. Catalog Numbering System
Use an AC voltmeter to measure the system's line voltage to ensure
that the correct model of SPD is being installed. Damage to the SPD
may result if it is connected to an electrical system of a higher volt-
age or different wiring configuration.
Mounting
The SPD can be mounted directly to the electrical panel, or to a wall
or DIN rail with the addition of an optional mounting kit (accessory:
SP1DINRAILKIT).
imporTanT!
Choose a mounting location for the SPD that provides the
•
shortest and straightest possible wiring (lead length) from the
SPD to the electrical system connections. Excessive lead length
and sharp bends will degrade SPD performance.
When using conduit, avoid using 90º elbows and keep the conduit
•
run as short and straight as possible.
Conduit Installation
Mount the SPD directly to the electrical panel using a ½" locknut as
shown in Figure 2.
When mounting the SPD outdoors, use weatherproof conduit and
fittings to maintain the enclosure's NEMA 4 rating. See Figure 3.
Wall Mounting
Mount the SPD directly on a wall using the SPD's optional bracket
(accessory: SP1DINRAILKIT) as follows:
1. Screw the provided wall bracket to the wall or other mounting
surface using two #10 screws of the appropriate type
(not provided) with the large hole in the bracket at the top.
Figure 3. Conduit Installation / Installation à travers un tube
protecteur / Instalación del conducto
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