Surge Protection
For Business-Critical Continuity™
Liebert SH Series Surge Protection
Installation, Operation and Maintenance Manual
Liebert Corporation
1050 Dearborn Drive
P.O. Box 29186
Columbus, OH 43229
800 877 9222 Phone
(US & Canada Only)
614 888 0246 (Outside U.S.)
614 841 6022 FAX
Via Leonardo Da Vinci 8
Zona Industriale Tognana
35028 Piove Di Sacco (PD)
Italy
39 049 9719 111 Phone
39 049 5841 257 FAX
Emerson Network Power Asia Pacific
7/F., Dah Sing Financial Centre
108 Gloucester Road, Wanchai
Hong Kong
852 25722201 Phone
852 28029250 FAX
Liebert.com
Technical Support
607 721 8840 Phone
607 722 8713 FAX
800 288 6169 Toll-Free
While every precaution has been taken to ensure the accuracy and
completeness of this literature, Liebert Corporation assumes no
responsibility and disclaims all liability for damages resulting from use
of this information or for any errors or omissions.
© 2010 Liebert Corporation All rights reserved throughout the world.
Specifications subject to change without notice.
® Liebert and the Liebert logo are registered trademarks of Liebert
Corporation. All names referred to are trademarks or registered
trademarks of their respective owners.
SL-22075 (9/10) Rev. 0
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©2010 Emerson Electric Co.
Surge Protective Devices
Surge Protective Devices
Items Not Covered By Warranty:
LIEBERT SURGE PROTECTIVE DEVICE
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
TABLE OF CONTENTS
UNPACKING AND INSTALLATION
Unpacking and Preliminary Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Handling Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
LOCATION CONSIDERATIONS
Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audible Noise. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Clearances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings Defined . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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ELECTRICAL CONNECTIONS
Voltage Ratings and Power Source Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage Ratings and Power Source Configurations (Chart) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wire Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Over Current Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NEC Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage Protection Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Ampacity Limitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Grounding and Bonding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parallel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Grounding Electrode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Neutral Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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INSTALLATION INSTRUCTIONS
Product Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Dimensional Information (Chart) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Suggested Breaker and Wire Size (Chart) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
MONITORING FEATURES
External Status Indicators (Standard). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audible Alarm (Standard). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary Alarm Contact (Standard) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transient Counter (Optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Swell Counter (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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TROUBLESHOOTING/SERVICING/MAINTENANCE
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Corrective Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preventative Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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WARRANTY INFORMATION
10-Year Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
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Surge Protective Devices
Surge Protective Devices
Limited Warranty
This Warranty is given ONLY to purchasers who buy for commercial or industrial use in the ordinary course of each purchaser’s business.
General:
Liebert Corporation products and systems are in our opinion the finest available. We take pride in our products and are pleased that you have chosen
them. Under certain circumstances we offer with our products the following Ten Year Warranty Against Defects in Material and Workmanship.
Please read your Warranty carefully. This Warranty sets forth our responsibilities in the unlikely event of defect and tells you how to obtain
performance under this Warranty.
TEN YEAR LIMITED WARRANTY AGAINST DEFECTS IN MATERIAL AND WORKMANSHIP
LIEBERT PRODUCTS COVERED:
Liebert SH Series (Interceptor®)
Terms of Warranty:
As provided herein, the Liebert product is warranted to be free of defects in material and workmanship for a period of ten (10) years from the date
of product shipment from Liebert. The shipment date will be determined only from the Liebert bill of lading. If any part or portion of the Liebert
product fails to conform to the warranty within the warranty period, Liebert, at its option, will furnish new or factory remanufactured parts for
repair or replacement of that part or portion.
Warranty Extends to First Purchaser for Use, Non-transferable:
This Warranty is extended to the first person, firm, association or corporation for whom the Liebert product specified herein is originally installed
for use (the “User”) in the fifty United States (excluding territories) or Canada. This Warranty is not transferable or assignable without the prior
written permission of Liebert.
Assignment of Warranties:
Liebert assigns to User any warranties which are made by manufacturers and suppliers of components of the Liebert product and which are
assignable, but Liebert makes NO REPRESENTATIONS as to the effectiveness or extent of such warranties, assumes NO RESPONSIBILITY for any
matters which may be warranted by such manufacturers or suppliers and extends no coverage under this warranty to such components.
UNPACKING AND INSTALLATION
LOCATION CONSIDERATIONS
Unpacking and Preliminary Inspection
1. Inspect the shipping crate(s) for damage or signs of
mishandling before unpacking the unit.
For optimum transient surge protection, coordinated surge
suppression should be applied at the service entrance and all
other electrical connections to the building (telephone, CATV,
etc.), at known surge generating loads within the building
(large motors, arc welders, switched capacitors, etc.), as well
as at sensitive electronic loads (such as computers, electronic
appliances, solid state motor drives, etc.). For interconnected
electronic loads (such as by way of data cabling), transient surge
suppression should also be applied to the interconnecting
wiring (data cables).
2. Remove any securing bands and cardboard packing and
inspect the unit for any obvious shipping damages.
3. If any damage as a result of shipping is observed, immediately
file a claim with the shipping agency and forward a copy to
your local Liebert Sales Representative.
Handling Considerations
Larger units are bolted to a shipping pallet to facilitate handling
by forklift or pallet jack. Check the size and weight. Refer to
the cabinet data furnished with the unit.
Environment — Unit is designed for operation indoors in
ambient temperatures of -40ºC (-40ºF) to +60ºC (+140ºF) with
a relative humidity of 0% to 95% (non-condensing).
The unit is provided in an industrial use enclosure, which is
dust-tight and drip-tight and should not be installed in areas
with excessive dust, corrosive vapors, flammable materials or
explosive atmospheres.
Storage
The unit should be stored in a clean, dry environment.
Storage temperature range is -55ºC (-67ºF) to +85ºC
(+185ºF). Care should be taken to avoid condensation. All
packing and shipping materials should be left intact until
the unit is ready for final installation. If the unit has been
stored for an extended period of time, the unit should be
cleaned and carefully inspected before placing into service.
Audible Noise — The audible noise of the unit is less than
40 dB at 5 feet, which allows its placement within almost any
room if desired.
Service Clearances — Service clearance is needed for units with
hinged doors on the front that are capable of being opened.
Thirty-six inches (36 in/914 mm) minimum is recommended.
Drawings, Descriptions:
Liebert warrants for the period and on the terms of the Warranty set forth herein that the Liebert product will conform to the certified drawings, if any,
applicable thereto, to Liebert’s final invoices, and to applicable Liebert product brochures and manuals current as of the date of product shipment
(“Descriptions”). Liebert does not control the installation and use of any Liebert product. Accordingly, it is understood that the Descriptions are
NOT WARRANTIES OF PERFORMANCE and NOT WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE.
Mounting — Unit is intended to be wall mounted. Refer to
installation instructions for mounting dimensions and weight.
Warnings Defined —
Obtaining Performance Under This Warranty:
Within a reasonable time, but in no case to exceed thirty (30) days, after User’s discovery of a defect, User shall contact Liebert at 1-800-LIEBERT
(543-2378) and request a return authorization number. User shall ship the product, with proof of purchase, to Liebert freight prepaid. Liebert
products shipped to Liebert without a return authorization number will be refused and returned freight collect to User at User’s expense. Liebert
products shipped by User to Liebert which have incurred freight damage due to User’s improper packaging of the product will not be covered by
this Warranty and any repairs or replacement parts, components or products needed will be invoiced in the full current price amount and returned
freight collect to User.
Danger: Indicates an imminently
hazardous situation that, if not
avoided, will result in death or
serious injury. This signal word
is to be limited to the most
extreme situations.
Subject to the limitations specified herein, Liebert will repair or replace, at its option, without charge for Liebert labor or materials, subsequent
to its inspection F.O.B. Liebert’s facility, the Liebert product warranted hereunder which does not conform to the Warranty. Replacement parts,
components or products shipped to User prior to Liebert’s receipt and inspection of the product claimed to be defective shall be invoiced in the
full current price amount and shipped freight collect F.O.B. Liebert’s facility. Warranty coverage will be extended only after Liebert’s receipt of
the claimed defective product within thirty (30) days of shipment of any replacement parts, components or products, if applicable, and only if
Liebert’s inspection discloses the claimed defect and the returned product shows no signs of treatment or use which would void the coverage of
this Warranty. All defective products and component parts replaced under this Warranty become the property of Liebert.
Warning: Indicates a potentially
hazardous situation that, if not
avoided, could result in death or
serious injury.
Caution: Indicates a potentially
hazardous situation that, if not
avoided, may result in minor or
moderate injury. It may also be used
to alert against unsafe practices.
Warranty Performance of Component Manufacturers:
It is Liebert’s practice, consistent with its desire to remedy Warranty defects in the most prompt and effective manner possible, to cooperate
with and utilize the services of component manufacturers and their authorized representatives in the performance of work to correct defects
in the product components. Accordingly, Liebert may utilize third parties in the performance of Warranty work, including repair or replacement
hereunder, where, in Liebert’s opinion, such work can be performed in less time, with less expense, or in closer proximity to the Liebert product.
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Surge Protective Devices
Surge Protective Devices
MONITORING FEATURES
ELECTRICAL CONNECTIONS
All electrical connections should be installed by a qualified
(licensed) electrician only. All wiring must comply with the
National Electrical Code (NEC) and applicable local codes.
Voltage Protection Ratings — To obtain the voltage
protection ratings (VPRs), as obtained by Underwriters
Laboratory, Incorporated, in accordance with the Standard
for Safety, Surge Protective Devices (SPDs), Standard 1449, Third
Edition, released (2009), marked on this product, the wire size
listed for each product must be utilized to connect the unit to
your facilities’ power grid. Connections made with conductors
other than the wire size listed may result in different VPRs.
Audible Alarm (Standard) — If the surge SPD module requires
replacement, an audible alarm is activated to draw attention
to the fact that repair service is required to restore the system
to normal operation. An audible alarm disable is provided to
silence the alarm. The system will automatically reset itself
after repair. The audible alarm switch and “Service” LED can be
tested by activating the “Test” switch on the system monitor
panel.
Circuit Ampacity Limitations — Representative samples
of these products have been investigated by Underwriters
Laboratories, Incorporated to withstand, without exposing
live circuits or components at system voltages and fault
currents up to 200,000 AIC, as described in the Standard for
Safety, Surge Protective Devices (SPDs), Standard 1449, Third
Edition, released (2009).
Summary Alarm Contact (Standard) — Two sets of summary
alarm Form C relay contacts (2 N.O. and 2 N.C.) are provided
for remote indication of the failed surge SPD module. Contacts
are rated 5 amps at 250 VAC maximum with a power factor of
1.0. Access to the contacts is provided via contact terminals
located on the printed circuit board mounted on the inside of
the unit’s cover.
System Grounding and Bonding — The performance and
safety of any SPD system is dependent on proper grounding
and bonding. Grounding is required for safety. Correct
implementation also enhances equipment performance.
Incorrect grounding can reduce or impede the SPD’s
operation.
Surge Counter (Optional) – The surge counter is provided for
transient voltage surge monitoring. The counter totalizes line
surges monitored since the last time the counter was reset.
The circuit counts all surges that deviate from the line sine
wave. The factory setting is 30% over nominal line voltage.
Other settings include 50%, 70%, and 100%.
All electrical circuits to the SPD must include an equipmentgrounding
conductor
as
required by the NEC and local
codes.
TROUBLESHOOTING/ SERVICING/
MAINTENANCE
(2) Grounded electrode conductor
(3) Grounding electrode for service
VERIFY THAT ALL POWER CIRCUITS ARE
DE-ENERGIZED AND LOCKED OUT BEFORE MAKING
ELECTRICAL CONNECTIONS.
Voltage Ratings and Power Source Configurations —
Before making connections to the unit, verify that the unit
model number and nameplate voltage rating are appropriate
for connection to the intended power source. See the chart
on page 4 for voltage rating applications with typical power
source configurations.
Wire Connections — With parallel connection, the size of the
wiring to the SPD unit is independent of the protected circuit’s
ampacity. NEC Article 285-21(B) requires surge suppressor
connecting conductors to be at least #14 copper or #12
aluminum. To reduce the wiring impedance to surge currents,
it is recommended that the phase, neutral (if required),
and ground conductors are twisted together and routed in
the same raceway (conduit). Avoid any sharp bends in the
conductors.
Overcurrent Protection — The SPD unit conducts practically
no current under normal operation and only conducts very
short duration transient surge currents.
UNGROUNDED POWER SYSTEMS ARE INHERENTLY
UNSTABLE AND CAN PRODUCE EXCESSIVELY HIGH LINE-TOGROUND VOLTAGES DURING CERTAIN FAULT CONDITIONS.
DURING THESE FAULT CONDITIONS ANY ELECTRICAL
EQUIPMENT, INCLUDING AN SPD, MAY BE SUBJECTED TO
VOLTAGES WHICH EXCEED THEIR DESIGNED RATINGS. THIS
INFORMATION IS BEING PROVIDED TO THE USER SO THAT
AN INFORMED DECISION CAN BE MADE BEFORE INSTALLING
ANY ELECTRICAL EQUIPMENT ON AN UNGROUNDED
POWER SYSTEM. CONTACT FACTORY FOR UNGROUNDED
APPLICATIONS.
NEC Considerations — The following is from the National
Electric Code 2008 Edition.
NEC 285.21 Connections
NEC 285.23 Type 1 SPDs. Shall be installed in accordance with
285.35(A) and (B).
(A) Installation. Type 1 SPDs shall be installed as follows:
(1) Type 1 SPDs shall be permitted to be connected to
the supply side of the service disconnect as permitted in
230.82(4) or
(2) Type 1 SPDs shall be permitted to be connected in
Type 2 locations as specified in 285.24.
An insulated grounding conductor is required in addition to any
metallic raceway, which may be used as a grounding conductor.
For parallel-connected SPDs, the grounding conductor should
be the same wire size as the associated power conductors.
(continued on page 5)
(B) At the service. When installed at the services, the
grounding conductor of a Type 1 SPD shall be connected to
one of the following:
Installation, Operation and Maintenance Manual
(4)Equipment grounding terminal in the service equipment
External Status Indicators (Standard) — These indicators
provide a summary of the status of the surge SPD module.
For normal conditions, the green “OK” LED is illuminated and
the red “Service” LED is extinguished. If the surge SPD module
requires replacement, the green “OK” LED is turned off and
the red “Service” LED illuminated.
(1) Grounded service conductor
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Liebert SPDs SL-22075 Rev 0, 9/2010
• Nature of problem – (including status of all status indicators
and alarms).
Servicing
The Liebert SH Series comes with a ten year parts and five
year labor warranty (see Warranty Information). For servicing
assistance, contact your local Liebert Sales Representative or
Emerson Network Power, Surge Protection at 800-288-6169
or 607-721-8840.
ONLY QUALIFIED PERSONNEL
MAINTENANCE ON THE SYSTEM.
PERFORM
HAZARDOUS VOLTAGES ARE PRESENT INSIDE THE UNIT
DURING NORMAL OPERATIONS.
ELECTRICAL SAFETY PRE-CAUTIONS MUST BE FOLLOWED
WHEN SERVICING THIS UNIT.
TO PREVENT RISK OF ELECTRICAL SHOCK, TURN OFF AND
LOCK OUT ALL POWER SOURCES TO THE UNIT BEFORE
SERVICING UNIT.
Corrective Maintenance - The Liebert SPD is designed for
years of trouble-free operation. However, even the most
reliable equipment may fail under abnormal conditions.
Diagnostic indicators are provided to indicate when the unit
needs repair or replacement. To ensure continuity of surge
protection, failed units should be repaired or replaced at the
earliest convenient service opportunity. When replacing surge
modules, other components should be inspected for damage
and replaced if necessary. Standard electrical troubleshooting
procedures should be used to isolate problems other than failed
surge current diverter modules. When replacing components,
for continued proper operation and safety, replace only with
identically rated components. Please contact factory for
information on replacement parts.
Troubleshooting
If status failure indication occurs or summary alarm contacts
has changed states, a qualified electrician shall first determine
if the systems voltage and proper phasing exists.
Preventative Maintenance (Inspection and Cleaning) Periodic system inspections, cleaning, and connection checks
are recommended to ensure reliable system performance and
continued surge transient protection.
If the SPD remains in an alarm condition once the electrician
is satisfied that the electrical system and its connections are
normal, the unit should be repaired.
It is difficult to establish a schedule for preventative
maintenance since conditions vary from site to site. Inspections
for failed surge modules using available diagnostics should be
done routinely (weekly or monthly).
At this point consult the factory, having available the following
information:
• Unit identification number – (refers to the model and serial
numbers detailed on the data label and is located on the front
of the enclosure.)
Installation, Operation and Maintenance Manual
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N
Surge Protective Devices
L G
N
(continued from page 6)
L1 RATINGS AND POWER SOURCE CONFIGURATIONS
VOLTAGE
NL1
4. Connect black wires (line or phase) marked L1/A, L2/B or
L3/C, the white wire (neutral) marked N, and the green wire
(ground) marked G, of the SPD using the wire range listed
below. To yield the best performance of the SPD within the
electrical distribution system, keep all conductors as short as
possible and avoid sharp bends.
7. Periodically monitor the status of the LEDs. Reduced
protection exists if the GREEN LEDs are extinguished or the
RED LED is illuminated. Please contact Liebert/Emerson
Network Power Surge Protection at 1-800-288-6169 or
1-607-721-8840.
8. The protection modules in these SPDs may be replaceable,
contact Liebert/Emerson Network Power Surge Protection for
replacement.
5. Connection to the unit’s summary alarm contacts shall be
with #18 – 22 AWG. The ratings of the Form ‘C’ contacts are
5 amps at 250 VAC maximum with a power factor of 1.0. For
additional information, see “Monitoring” section.
G
G
L2
L G2LW + G
Single Phase L-N,
L1
LL
L1
N
L1
L1L1
L2
L1
L2
L2L2
GG
A
L2
G
A
B
L1
L1
L1
NN
B
C G
L2
SH025
SH032
SH040
SH075
15A – 150A
15A – 175 A
15A – 175A
15A – 175A
15A – 175A
#8 – 1/O AWG
#8 – 1/O AWG
#8 – 1/O AWG
#8 – 1/O AWG
Three Phase Delta, 3 W + G
G
Without Disconnect
#14 – 2/O AWG
Circuit Breaker
Size
Connection
Wire Size
60 Amp
80 Amp
80 Amp
100 Amp
#6 AWG
#4 AWG
#4 AWG
#2 AWG
120 N
230
230
N/A
320 L-N
230 N
N
GL2
277
277
N/A
320 L-N
277 N
G
N/A
208
208
300 L-L
208L
L1
N/A
240
240
320 L-L
240L
400L
B
AA
A
G
C
C CCG G
B
Three Phase Wye, 4 W + G
L1
G L2L2
L2
N/A
400
400
580 L-L
G
G
G
L2
N/A
480
480
580 L-L
480L
G
120
208, 240
150 L-N
120S
240, 277
480
320 L-N
240S
L2
B
A
AB
A NB
NG
BC
Factory Suggested Size
Connection Wire Size
With Disconnect
150 L-N
L1
NN
NL1
L2
L2
L2
GN
G
G
G
G
Without Disconnect
N/A
L1L1
C
L2
L2
N GG
Circuit Breaker Size
120
L1L1
N L1
L2
L2
With Disconnect
120
L1
Single Phase, 3 W + G
N
L1
Model #
G
G
Allowable Range
LL
L1
LL G
G
GG
N
G
SUGGESTED BREAKER AND WIRE SIZE
L-L
N
G GG
Single Phase
G L-L, 2 W + G
If the SPD model is a Wye configured unit (4W+G), and
a Neutral connection is not available, please contact
factory.
L-G
L2
G
Model Voltage Code
(Found in part number)
L-N
N
N
L2
NGNN
Maximum Continuous
Operating Voltage
L2
NN
L2
L1
6. Apply power. The surge protector is fully operational when
the GREEN LEDs on the modules and the front door of enclosure
are illuminated. If the GREEN LEDs are extinguished or a RED
LED is illuminated, check to ensure that power is applied to
the SPD. If an abnormal indication is present, remove power to
the SPD and contact Liebert/Emerson Network Power Surge
Protection at 1-800-288-6169 or 1-607-721-8840.
Nominal Operating Voltage
Source Configurations
G
120
240, 277
N/A
208
208
300 L-L
208D
N/A
240
240
320 L-L
240D
N/A
380-415
580 L-L
400D
N/A
480
480
580 L-L
480D
120
120
208
150 L-N
120Y
320 L-N
230Y
380-415
G
C
BA A
B
G
BN N
AB
NCAB
G
BGNC
A GG
NC
GC
A
Three Phase Wye, 3 W + G NoCNeutral
NAA
G A
NA
CA N
BB
CC B
GNG B
C
BAG
C
CG
GN
220-240
220-240
380-415
277
277
480
320 L-N
277Y
N/A
120
208
150 L-G
120X
N/A
220-240
380-415
320 L-G
230X
N/A
277
480
320 L-G
277X
BA
CA
G
AB
Installation, Operation and Maintenance Manual
7
Liebert SPDs SL-22075 Rev 0, 9/2010
C
Installation, Operation and Maintenance
Manual
B
G
C
G
BA
4
Liebert SPDs SL-22075 Rev 0, 9/2010
Note 1: For other voltages or source configurations, consult factory.
INSTALLATION INSTRUCTIONS
G
L
Neutral
Phase(s)
Liebert
Surge
Protective
Device
Surge Protective Devices
Surge Transient
Protective Devices
Ground
Protected
PARALLEL CONNECTIONS
Panel
Typical Parallel Connections
(without Internal Rotary Disconnect)
INSTALLATION INSTRUCTIONS
Safety
Ground
Wire should be
less than 5 feet
and straight
as possible
Neutral
Phases
Ground
Neutral
Phases
Ground
To
Protected
Loads
Neutral
To
Protected
Loads
Liebert
Surge
Protective
Device
Phase(s)
Neutral
Transient
Ground
Protected
Panel
Wire should be
less than 5 feet
and straight
as possible
Rotary
Disconnect
Safety
Ground
Phase(s)
Liebert
Surge
Protective
Device
Transient
Ground
Protected
Panel
Neutral
Phases
Ground
ELECTRICAL CONNECTIONS
To
Protected
Grounding conductors must be routed with the associated
Loads
power conductors in the same raceway (conduit). When
metallic raceways are used, adequate electrical continuity
must be maintained at all raceway connections,
particularly
Neutral
raceway terminations to the electrical enclosures. Liebert
Rotary
Disconnect
Phase(s)
Surge
toProtective
interrupt
Device
The use of isolating bushings or other means
Transient
a metallic conduit run is a potential safety
hazard and is not
Ground
recommended.
Protected
Safety
Panel
The Liebert SH Series Hybrid Surge Protective Devices (SPDs)
are high quality, high energy surge current diversion systems
designed to protect sensitive equipment from damaging
transient voltage surges. Proper installation is required for
maximum system performance.
Typical Parallel Connections
(with Internal Rotary Disconnect)
Safety
Ground
(continued from page 3)
3. Determine where the SPD is to be mounted, allowing for
minimum length of wire between itself and the input power
terminals of the service panel. Punch or cut the proper hole
size in the side of the SPD closest to the knockout to be
utilized in the service panel. Drill mounting holes in wall at
location picked for SPD next to service panel using mounting
dimensions shown in the table below. Mount surge suppressor
to wall using 3/8” mounting hardware.
The installer should perform the following steps to assure a
quality installation. The entire installation manual should be
read before starting installation. These instructions do not
replace national or local electrical codes. Check applicable
electrical codes to ensure compliance. Installation of the Liebert
SPD system should only be performed by qualified personnel.
(continued on page 7)
1. Insure that all power is removed before beginning
installation. A qualified licensed electrician shall install all
electrical connections.
Dimensional Information
Liebert SH Series
Summary Alarm Contacts (X2)
Pin 1 = Normally Open
Pin 3 = Normally Closed
1
2
3
1
TB1
2
Phase L1/A
Phase L2/B
Phase L3/C
Service Panel for
Loads to be Protected
Pin 2 = Common
Disconnect/Main
Breaker for
Panel
Neutral Buss
3
TB2
Dedicated
Disconnect
(Optional)
E
C
F (4X)
For proper SPD performance, the service entrance grounding
electrode system must comply with the NEC by having all
available electrodes (building steel, metal water pipe, driven
rods, concrete encased electrodes, etc.) properly bonded
together and connected to the power system grounding.
A
Ground Buss
Recommended Wire
Entrance
D
The use of a separate grounding electrode to ground the SPD
defeats the effectiveness of the SPD, is a potential safety hazard,
may cause equipment damage, is an NEC violation (reference
NEC 250-51 and 250-54), and is not recommended.
Ground
Wire should be
Grounding Electrode
— 5Surge
protective devices do not
less than
feet
straight
discharge all surges and
to
ground (earth). Surge protective
as possible
devices can also divert the surge current back to its source to
complete the electrical circuit.
B
Neutral Connection –
FOR PROPER AND SAFE
OPERATION,
THE
SPD’s
NEUTRAL, MUST BE RELIABLY
CONNECTED TO THE NEUTRAL OF THE SOURCE. FAILURE TO
PROVIDE A RELIABLE NEUTRAL CONNECTION MAY RESULT IN
FAILURE!
In the case of lightning whose potential is developed with
respect to the earth, the SPD diverts the surge current to
the grounding electrode (earth connection). However, for
most transient surges that are developed by switching loads,
the SPD diverts the surge current back to its source without
involving the grounding electrode.
Installation, Operation and Maintenance Manual
Wire should be
less than 5 feet
and straight
as possible
2. The SPD is provided in NEMA 4 enclosures which are suitable
for use in indoor or outdoor installations.
5
Liebert SPDs SL-22075 Rev 0, 9/2010
Liebert SH Series (Without Disconnect)
Model
#
A
SH025 16
SH032 16
SH040 16
SH075 20
Dimensions (Inches)
B
16
16
16
20
C
8
8
8
8
D
17.25
17.25
17.25
21.25
E
9.5
10
10
14
Installation, Operation and Maintenance Manual
F
0.44
0.44
0.44
0.44
Liebert SH Series (With Disconnect)
Weight
(lbs)
35
49
49
85
Model
#
A
SH025 20
SH032 20
SH040 20
SH075 20
6
Dimensions (Inches)
B
16
16
16
24
C
8
8
8
8
D
21.25
21.25
21.25
21.25
E
10
10
10
18
F
0.44
0.44
0.44
0.44
Weight
(lbs)
45
58
58
95
Liebert SPDs SL-22075 Rev 0, 9/2010
Neutral
Phase(s)
Liebert
Surge
Protective
Device
Surge Protective Devices
Surge Transient
Protective Devices
Ground
Protected
PARALLEL CONNECTIONS
Panel
Typical Parallel Connections
(without Internal Rotary Disconnect)
INSTALLATION INSTRUCTIONS
Safety
Ground
Wire should be
less than 5 feet
and straight
as possible
Neutral
Phases
Ground
Neutral
Phases
Ground
To
Protected
Loads
Neutral
To
Protected
Loads
Liebert
Surge
Protective
Device
Phase(s)
Neutral
Transient
Ground
Protected
Panel
Wire should be
less than 5 feet
and straight
as possible
Rotary
Disconnect
Safety
Ground
Phase(s)
Liebert
Surge
Protective
Device
Transient
Ground
Protected
Panel
Neutral
Phases
Ground
ELECTRICAL CONNECTIONS
To
Protected
Grounding conductors must be routed with the associated
Loads
power conductors in the same raceway (conduit). When
metallic raceways are used, adequate electrical continuity
must be maintained at all raceway connections,
particularly
Neutral
raceway terminations to the electrical enclosures. Liebert
Rotary
Disconnect
Phase(s)
Surge
toProtective
interrupt
Device
The use of isolating bushings or other means
Transient
a metallic conduit run is a potential safety
hazard and is not
Ground
recommended.
Protected
Safety
Panel
The Liebert SH Series Hybrid Surge Protective Devices (SPDs)
are high quality, high energy surge current diversion systems
designed to protect sensitive equipment from damaging
transient voltage surges. Proper installation is required for
maximum system performance.
Typical Parallel Connections
(with Internal Rotary Disconnect)
Safety
Ground
(continued from page 3)
3. Determine where the SPD is to be mounted, allowing for
minimum length of wire between itself and the input power
terminals of the service panel. Punch or cut the proper hole
size in the side of the SPD closest to the knockout to be
utilized in the service panel. Drill mounting holes in wall at
location picked for SPD next to service panel using mounting
dimensions shown in the table below. Mount surge suppressor
to wall using 3/8” mounting hardware.
The installer should perform the following steps to assure a
quality installation. The entire installation manual should be
read before starting installation. These instructions do not
replace national or local electrical codes. Check applicable
electrical codes to ensure compliance. Installation of the Liebert
SPD system should only be performed by qualified personnel.
(continued on page 7)
1. Insure that all power is removed before beginning
installation. A qualified licensed electrician shall install all
electrical connections.
Dimensional Information
Liebert SH Series
Summary Alarm Contacts (X2)
Pin 1 = Normally Open
Pin 3 = Normally Closed
1
2
3
1
TB1
2
Phase L1/A
Phase L2/B
Phase L3/C
Service Panel for
Loads to be Protected
Pin 2 = Common
Disconnect/Main
Breaker for
Panel
Neutral Buss
3
TB2
Dedicated
Disconnect
(Optional)
E
C
F (4X)
For proper SPD performance, the service entrance grounding
electrode system must comply with the NEC by having all
available electrodes (building steel, metal water pipe, driven
rods, concrete encased electrodes, etc.) properly bonded
together and connected to the power system grounding.
A
Ground Buss
Recommended Wire
Entrance
D
The use of a separate grounding electrode to ground the SPD
defeats the effectiveness of the SPD, is a potential safety hazard,
may cause equipment damage, is an NEC violation (reference
NEC 250-51 and 250-54), and is not recommended.
Ground
Wire should be
Grounding Electrode
— 5Surge
protective devices do not
less than
feet
straight
discharge all surges and
to
ground (earth). Surge protective
as possible
devices can also divert the surge current back to its source to
complete the electrical circuit.
B
Neutral Connection –
FOR PROPER AND SAFE
OPERATION,
THE
SPD’s
NEUTRAL, MUST BE RELIABLY
CONNECTED TO THE NEUTRAL OF THE SOURCE. FAILURE TO
PROVIDE A RELIABLE NEUTRAL CONNECTION MAY RESULT IN
FAILURE!
In the case of lightning whose potential is developed with
respect to the earth, the SPD diverts the surge current to
the grounding electrode (earth connection). However, for
most transient surges that are developed by switching loads,
the SPD diverts the surge current back to its source without
involving the grounding electrode.
Installation, Operation and Maintenance Manual
Wire should be
less than 5 feet
and straight
as possible
2. The SPD is provided in NEMA 4 enclosures which are suitable
for use in indoor or outdoor installations.
5
Liebert SPDs SL-22075 Rev 0, 9/2010
Liebert SH Series (Without Disconnect)
Model
#
A
SH025 16
SH032 16
SH040 16
SH075 20
Dimensions (Inches)
B
16
16
16
20
C
8
8
8
8
D
17.25
17.25
17.25
21.25
E
9.5
10
10
14
Installation, Operation and Maintenance Manual
F
0.44
0.44
0.44
0.44
Liebert SH Series (With Disconnect)
Weight
(lbs)
35
49
49
85
Model
#
A
SH025 20
SH032 20
SH040 20
SH075 20
6
Dimensions (Inches)
B
16
16
16
24
C
8
8
8
8
D
21.25
21.25
21.25
21.25
E
10
10
10
18
F
0.44
0.44
0.44
0.44
Weight
(lbs)
45
58
58
95
Liebert SPDs SL-22075 Rev 0, 9/2010
N
N
Surge Protective Devices
L G
N
(continued from page 6)
L1 RATINGS AND POWER SOURCE CONFIGURATIONS
VOLTAGE
NL1
4. Connect black wires (line or phase) marked L1/A, L2/B or
L3/C, the white wire (neutral) marked N, and the green wire
(ground) marked G, of the SPD using the wire range listed
below. To yield the best performance of the SPD within the
electrical distribution system, keep all conductors as short as
possible and avoid sharp bends.
7. Periodically monitor the status of the LEDs. Reduced
protection exists if the GREEN LEDs are extinguished or the
RED LED is illuminated. Please contact Liebert/Emerson
Network Power Surge Protection at 1-800-288-6169 or
1-607-721-8840.
8. The protection modules in these SPDs may be replaceable,
contact Liebert/Emerson Network Power Surge Protection for
replacement.
5. Connection to the unit’s summary alarm contacts shall be
with #18 – 22 AWG. The ratings of the Form ‘C’ contacts are
5 amps at 250 VAC maximum with a power factor of 1.0. For
additional information, see “Monitoring” section.
G
G
L2
L G2LW + G
Single Phase L-N,
L1
LL
L1
N
L1
L1L1
L2
L1
L2
L2L2
GG
A
L2
G
A
B
L1
L1
L1
NN
B
C G
L2
SH025
SH032
SH040
SH075
15A – 150A
15A – 175 A
15A – 175A
15A – 175A
15A – 175A
#8 – 1/O AWG
#8 – 1/O AWG
#8 – 1/O AWG
#8 – 1/O AWG
Three Phase Delta, 3 W + G
G
Without Disconnect
#14 – 2/O AWG
Circuit Breaker
Size
Connection
Wire Size
60 Amp
80 Amp
80 Amp
100 Amp
#6 AWG
#4 AWG
#4 AWG
#2 AWG
120 N
230
230
N/A
320 L-N
230 N
N
GL2
277
277
N/A
320 L-N
277 N
G
N/A
208
208
300 L-L
208L
L1
N/A
240
240
320 L-L
240L
400L
B
AA
A
G
C
C CCG G
B
Three Phase Wye, 4 W + G
L1
G L2L2
L2
N/A
400
400
580 L-L
G
G
G
L2
N/A
480
480
580 L-L
480L
G
120
208, 240
150 L-N
120S
240, 277
480
320 L-N
240S
L2
B
A
AB
A NB
NG
BC
Factory Suggested Size
Connection Wire Size
With Disconnect
150 L-N
L1
NN
NL1
L2
L2
L2
GN
G
G
G
G
Without Disconnect
N/A
L1L1
C
L2
L2
N GG
Circuit Breaker Size
120
L1L1
N L1
L2
L2
With Disconnect
120
L1
Single Phase, 3 W + G
N
L1
Model #
G
G
Allowable Range
LL
L1
LL G
G
GG
N
G
SUGGESTED BREAKER AND WIRE SIZE
L-L
N
G GG
Single Phase
G L-L, 2 W + G
If the SPD model is a Wye configured unit (4W+G), and
a Neutral connection is not available, please contact
factory.
L-G
L2
G
Model Voltage Code
(Found in part number)
L-N
N
N
L2
NGNN
Maximum Continuous
Operating Voltage
L2
NN
L2
L1
6. Apply power. The surge protector is fully operational when
the GREEN LEDs on the modules and the front door of enclosure
are illuminated. If the GREEN LEDs are extinguished or a RED
LED is illuminated, check to ensure that power is applied to
the SPD. If an abnormal indication is present, remove power to
the SPD and contact Liebert/Emerson Network Power Surge
Protection at 1-800-288-6169 or 1-607-721-8840.
Nominal Operating Voltage
Source Configurations
G
120
240, 277
N/A
208
208
300 L-L
208D
N/A
240
240
320 L-L
240D
N/A
380-415
580 L-L
400D
N/A
480
480
580 L-L
480D
120
120
208
150 L-N
120Y
320 L-N
230Y
380-415
G
C
BA A
B
G
BN N
AB
NCAB
G
BGNC
A GG
NC
GC
A
Three Phase Wye, 3 W + G NoCNeutral
NAA
G A
NA
CA N
BB
CC B
GNG B
C
BAG
C
CG
GN
220-240
220-240
380-415
277
277
480
320 L-N
277Y
N/A
120
208
150 L-G
120X
N/A
220-240
380-415
320 L-G
230X
N/A
277
480
320 L-G
277X
BA
CA
G
AB
Installation, Operation and Maintenance Manual
7
Liebert SPDs SL-22075 Rev 0, 9/2010
C
Installation, Operation and Maintenance
Manual
B
G
C
G
BA
4
Liebert SPDs SL-22075 Rev 0, 9/2010
Note 1: For other voltages or source configurations, consult factory.
INSTALLATION INSTRUCTIONS
G
L
Surge Protective Devices
Surge Protective Devices
MONITORING FEATURES
ELECTRICAL CONNECTIONS
All electrical connections should be installed by a qualified
(licensed) electrician only. All wiring must comply with the
National Electrical Code (NEC) and applicable local codes.
Voltage Protection Ratings — To obtain the voltage
protection ratings (VPRs), as obtained by Underwriters
Laboratory, Incorporated, in accordance with the Standard
for Safety, Surge Protective Devices (SPDs), Standard 1449, Third
Edition, released (2009), marked on this product, the wire size
listed for each product must be utilized to connect the unit to
your facilities’ power grid. Connections made with conductors
other than the wire size listed may result in different VPRs.
Audible Alarm (Standard) — If the surge SPD module requires
replacement, an audible alarm is activated to draw attention
to the fact that repair service is required to restore the system
to normal operation. An audible alarm disable is provided to
silence the alarm. The system will automatically reset itself
after repair. The audible alarm switch and “Service” LED can be
tested by activating the “Test” switch on the system monitor
panel.
Circuit Ampacity Limitations — Representative samples
of these products have been investigated by Underwriters
Laboratories, Incorporated to withstand, without exposing
live circuits or components at system voltages and fault
currents up to 200,000 AIC, as described in the Standard for
Safety, Surge Protective Devices (SPDs), Standard 1449, Third
Edition, released (2009).
Summary Alarm Contact (Standard) — Two sets of summary
alarm Form C relay contacts (2 N.O. and 2 N.C.) are provided
for remote indication of the failed surge SPD module. Contacts
are rated 5 amps at 250 VAC maximum with a power factor of
1.0. Access to the contacts is provided via contact terminals
located on the printed circuit board mounted on the inside of
the unit’s cover.
System Grounding and Bonding — The performance and
safety of any SPD system is dependent on proper grounding
and bonding. Grounding is required for safety. Correct
implementation also enhances equipment performance.
Incorrect grounding can reduce or impede the SPD’s
operation.
Surge Counter (Optional) – The surge counter is provided for
transient voltage surge monitoring. The counter totalizes line
surges monitored since the last time the counter was reset.
The circuit counts all surges that deviate from the line sine
wave. The factory setting is 30% over nominal line voltage.
Other settings include 50%, 70%, and 100%.
All electrical circuits to the SPD must include an equipmentgrounding
conductor
as
required by the NEC and local
codes.
TROUBLESHOOTING/ SERVICING/
MAINTENANCE
(2) Grounded electrode conductor
(3) Grounding electrode for service
VERIFY THAT ALL POWER CIRCUITS ARE
DE-ENERGIZED AND LOCKED OUT BEFORE MAKING
ELECTRICAL CONNECTIONS.
Voltage Ratings and Power Source Configurations —
Before making connections to the unit, verify that the unit
model number and nameplate voltage rating are appropriate
for connection to the intended power source. See the chart
on page 4 for voltage rating applications with typical power
source configurations.
Wire Connections — With parallel connection, the size of the
wiring to the SPD unit is independent of the protected circuit’s
ampacity. NEC Article 285-21(B) requires surge suppressor
connecting conductors to be at least #14 copper or #12
aluminum. To reduce the wiring impedance to surge currents,
it is recommended that the phase, neutral (if required),
and ground conductors are twisted together and routed in
the same raceway (conduit). Avoid any sharp bends in the
conductors.
Overcurrent Protection — The SPD unit conducts practically
no current under normal operation and only conducts very
short duration transient surge currents.
UNGROUNDED POWER SYSTEMS ARE INHERENTLY
UNSTABLE AND CAN PRODUCE EXCESSIVELY HIGH LINE-TOGROUND VOLTAGES DURING CERTAIN FAULT CONDITIONS.
DURING THESE FAULT CONDITIONS ANY ELECTRICAL
EQUIPMENT, INCLUDING AN SPD, MAY BE SUBJECTED TO
VOLTAGES WHICH EXCEED THEIR DESIGNED RATINGS. THIS
INFORMATION IS BEING PROVIDED TO THE USER SO THAT
AN INFORMED DECISION CAN BE MADE BEFORE INSTALLING
ANY ELECTRICAL EQUIPMENT ON AN UNGROUNDED
POWER SYSTEM. CONTACT FACTORY FOR UNGROUNDED
APPLICATIONS.
NEC Considerations — The following is from the National
Electric Code 2008 Edition.
NEC 285.21 Connections
NEC 285.23 Type 1 SPDs. Shall be installed in accordance with
285.35(A) and (B).
(A) Installation. Type 1 SPDs shall be installed as follows:
(1) Type 1 SPDs shall be permitted to be connected to
the supply side of the service disconnect as permitted in
230.82(4) or
(2) Type 1 SPDs shall be permitted to be connected in
Type 2 locations as specified in 285.24.
An insulated grounding conductor is required in addition to any
metallic raceway, which may be used as a grounding conductor.
For parallel-connected SPDs, the grounding conductor should
be the same wire size as the associated power conductors.
(continued on page 5)
(B) At the service. When installed at the services, the
grounding conductor of a Type 1 SPD shall be connected to
one of the following:
Installation, Operation and Maintenance Manual
(4)Equipment grounding terminal in the service equipment
External Status Indicators (Standard) — These indicators
provide a summary of the status of the surge SPD module.
For normal conditions, the green “OK” LED is illuminated and
the red “Service” LED is extinguished. If the surge SPD module
requires replacement, the green “OK” LED is turned off and
the red “Service” LED illuminated.
(1) Grounded service conductor
3
Liebert SPDs SL-22075 Rev 0, 9/2010
• Nature of problem – (including status of all status indicators
and alarms).
Servicing
The Liebert SH Series comes with a ten year parts and five
year labor warranty (see Warranty Information). For servicing
assistance, contact your local Liebert Sales Representative or
Emerson Network Power, Surge Protection at 800-288-6169
or 607-721-8840.
ONLY QUALIFIED PERSONNEL
MAINTENANCE ON THE SYSTEM.
PERFORM
HAZARDOUS VOLTAGES ARE PRESENT INSIDE THE UNIT
DURING NORMAL OPERATIONS.
ELECTRICAL SAFETY PRE-CAUTIONS MUST BE FOLLOWED
WHEN SERVICING THIS UNIT.
TO PREVENT RISK OF ELECTRICAL SHOCK, TURN OFF AND
LOCK OUT ALL POWER SOURCES TO THE UNIT BEFORE
SERVICING UNIT.
Corrective Maintenance - The Liebert SPD is designed for
years of trouble-free operation. However, even the most
reliable equipment may fail under abnormal conditions.
Diagnostic indicators are provided to indicate when the unit
needs repair or replacement. To ensure continuity of surge
protection, failed units should be repaired or replaced at the
earliest convenient service opportunity. When replacing surge
modules, other components should be inspected for damage
and replaced if necessary. Standard electrical troubleshooting
procedures should be used to isolate problems other than failed
surge current diverter modules. When replacing components,
for continued proper operation and safety, replace only with
identically rated components. Please contact factory for
information on replacement parts.
Troubleshooting
If status failure indication occurs or summary alarm contacts
has changed states, a qualified electrician shall first determine
if the systems voltage and proper phasing exists.
Preventative Maintenance (Inspection and Cleaning) Periodic system inspections, cleaning, and connection checks
are recommended to ensure reliable system performance and
continued surge transient protection.
If the SPD remains in an alarm condition once the electrician
is satisfied that the electrical system and its connections are
normal, the unit should be repaired.
It is difficult to establish a schedule for preventative
maintenance since conditions vary from site to site. Inspections
for failed surge modules using available diagnostics should be
done routinely (weekly or monthly).
At this point consult the factory, having available the following
information:
• Unit identification number – (refers to the model and serial
numbers detailed on the data label and is located on the front
of the enclosure.)
Installation, Operation and Maintenance Manual
SHOULD
8
Liebert SPDs SL-22075 Rev 0, 9/2010
Surge Protective Devices
Surge Protective Devices
Limited Warranty
This Warranty is given ONLY to purchasers who buy for commercial or industrial use in the ordinary course of each purchaser’s business.
General:
Liebert Corporation products and systems are in our opinion the finest available. We take pride in our products and are pleased that you have chosen
them. Under certain circumstances we offer with our products the following Ten Year Warranty Against Defects in Material and Workmanship.
Please read your Warranty carefully. This Warranty sets forth our responsibilities in the unlikely event of defect and tells you how to obtain
performance under this Warranty.
TEN YEAR LIMITED WARRANTY AGAINST DEFECTS IN MATERIAL AND WORKMANSHIP
LIEBERT PRODUCTS COVERED:
Liebert SH Series (Interceptor®)
Terms of Warranty:
As provided herein, the Liebert product is warranted to be free of defects in material and workmanship for a period of ten (10) years from the date
of product shipment from Liebert. The shipment date will be determined only from the Liebert bill of lading. If any part or portion of the Liebert
product fails to conform to the warranty within the warranty period, Liebert, at its option, will furnish new or factory remanufactured parts for
repair or replacement of that part or portion.
Warranty Extends to First Purchaser for Use, Non-transferable:
This Warranty is extended to the first person, firm, association or corporation for whom the Liebert product specified herein is originally installed
for use (the “User”) in the fifty United States (excluding territories) or Canada. This Warranty is not transferable or assignable without the prior
written permission of Liebert.
Assignment of Warranties:
Liebert assigns to User any warranties which are made by manufacturers and suppliers of components of the Liebert product and which are
assignable, but Liebert makes NO REPRESENTATIONS as to the effectiveness or extent of such warranties, assumes NO RESPONSIBILITY for any
matters which may be warranted by such manufacturers or suppliers and extends no coverage under this warranty to such components.
UNPACKING AND INSTALLATION
LOCATION CONSIDERATIONS
Unpacking and Preliminary Inspection
1. Inspect the shipping crate(s) for damage or signs of
mishandling before unpacking the unit.
For optimum transient surge protection, coordinated surge
suppression should be applied at the service entrance and all
other electrical connections to the building (telephone, CATV,
etc.), at known surge generating loads within the building
(large motors, arc welders, switched capacitors, etc.), as well
as at sensitive electronic loads (such as computers, electronic
appliances, solid state motor drives, etc.). For interconnected
electronic loads (such as by way of data cabling), transient surge
suppression should also be applied to the interconnecting
wiring (data cables).
2. Remove any securing bands and cardboard packing and
inspect the unit for any obvious shipping damages.
3. If any damage as a result of shipping is observed, immediately
file a claim with the shipping agency and forward a copy to
your local Liebert Sales Representative.
Handling Considerations
Larger units are bolted to a shipping pallet to facilitate handling
by forklift or pallet jack. Check the size and weight. Refer to
the cabinet data furnished with the unit.
Environment — Unit is designed for operation indoors in
ambient temperatures of -40ºC (-40ºF) to +60ºC (+140ºF) with
a relative humidity of 0% to 95% (non-condensing).
The unit is provided in an industrial use enclosure, which is
dust-tight and drip-tight and should not be installed in areas
with excessive dust, corrosive vapors, flammable materials or
explosive atmospheres.
Storage
The unit should be stored in a clean, dry environment.
Storage temperature range is -55ºC (-67ºF) to +85ºC
(+185ºF). Care should be taken to avoid condensation. All
packing and shipping materials should be left intact until
the unit is ready for final installation. If the unit has been
stored for an extended period of time, the unit should be
cleaned and carefully inspected before placing into service.
Audible Noise — The audible noise of the unit is less than
40 dB at 5 feet, which allows its placement within almost any
room if desired.
Service Clearances — Service clearance is needed for units with
hinged doors on the front that are capable of being opened.
Thirty-six inches (36 in/914 mm) minimum is recommended.
Drawings, Descriptions:
Liebert warrants for the period and on the terms of the Warranty set forth herein that the Liebert product will conform to the certified drawings, if any,
applicable thereto, to Liebert’s final invoices, and to applicable Liebert product brochures and manuals current as of the date of product shipment
(“Descriptions”). Liebert does not control the installation and use of any Liebert product. Accordingly, it is understood that the Descriptions are
NOT WARRANTIES OF PERFORMANCE and NOT WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE.
Mounting — Unit is intended to be wall mounted. Refer to
installation instructions for mounting dimensions and weight.
Warnings Defined —
Obtaining Performance Under This Warranty:
Within a reasonable time, but in no case to exceed thirty (30) days, after User’s discovery of a defect, User shall contact Liebert at 1-800-LIEBERT
(543-2378) and request a return authorization number. User shall ship the product, with proof of purchase, to Liebert freight prepaid. Liebert
products shipped to Liebert without a return authorization number will be refused and returned freight collect to User at User’s expense. Liebert
products shipped by User to Liebert which have incurred freight damage due to User’s improper packaging of the product will not be covered by
this Warranty and any repairs or replacement parts, components or products needed will be invoiced in the full current price amount and returned
freight collect to User.
Danger: Indicates an imminently
hazardous situation that, if not
avoided, will result in death or
serious injury. This signal word
is to be limited to the most
extreme situations.
Subject to the limitations specified herein, Liebert will repair or replace, at its option, without charge for Liebert labor or materials, subsequent
to its inspection F.O.B. Liebert’s facility, the Liebert product warranted hereunder which does not conform to the Warranty. Replacement parts,
components or products shipped to User prior to Liebert’s receipt and inspection of the product claimed to be defective shall be invoiced in the
full current price amount and shipped freight collect F.O.B. Liebert’s facility. Warranty coverage will be extended only after Liebert’s receipt of
the claimed defective product within thirty (30) days of shipment of any replacement parts, components or products, if applicable, and only if
Liebert’s inspection discloses the claimed defect and the returned product shows no signs of treatment or use which would void the coverage of
this Warranty. All defective products and component parts replaced under this Warranty become the property of Liebert.
Warning: Indicates a potentially
hazardous situation that, if not
avoided, could result in death or
serious injury.
Caution: Indicates a potentially
hazardous situation that, if not
avoided, may result in minor or
moderate injury. It may also be used
to alert against unsafe practices.
Warranty Performance of Component Manufacturers:
It is Liebert’s practice, consistent with its desire to remedy Warranty defects in the most prompt and effective manner possible, to cooperate
with and utilize the services of component manufacturers and their authorized representatives in the performance of work to correct defects
in the product components. Accordingly, Liebert may utilize third parties in the performance of Warranty work, including repair or replacement
hereunder, where, in Liebert’s opinion, such work can be performed in less time, with less expense, or in closer proximity to the Liebert product.
Installation, Operation and Maintenance Manual
9
Liebert SPDs SL-22075 Rev 0, 9/2010
Installation, Operation and Maintenance Manual
2
Liebert SPDs SL-22075 Rev 0, 9/2010
Surge Protective Devices
Surge Protective Devices
Items Not Covered By Warranty:
LIEBERT SURGE PROTECTIVE DEVICE
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
TABLE OF CONTENTS
UNPACKING AND INSTALLATION
Unpacking and Preliminary Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Handling Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
LOCATION CONSIDERATIONS
Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audible Noise. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Clearances. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings Defined . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
2
2
2
2
ELECTRICAL CONNECTIONS
Voltage Ratings and Power Source Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage Ratings and Power Source Configurations (Chart) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wire Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Over Current Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NEC Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage Protection Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Ampacity Limitations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Grounding and Bonding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parallel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Grounding Electrode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Neutral Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
4
3
3
3
3
3
3
5
5
5
INSTALLATION INSTRUCTIONS
Product Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Dimensional Information (Chart) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Suggested Breaker and Wire Size (Chart) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
MONITORING FEATURES
External Status Indicators (Standard). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Audible Alarm (Standard). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Summary Alarm Contact (Standard) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transient Counter (Optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Swell Counter (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
8
8
8
8
TROUBLESHOOTING/SERVICING/MAINTENANCE
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Corrective Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preventative Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
8
8
8
WARRANTY INFORMATION
10-Year Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Installation, Operation and Maintenance Manual
1
Liebert SPDs SL-22075 Rev 0, 9/2010
Installation, Operation and Maintenance Manual
10
Liebert SPDs SL-22075 Rev 0, 9/2010
Surge Protection
For Business-Critical Continuity™
Liebert SH Series Surge Protection
Installation, Operation and Maintenance Manual
Liebert Corporation
1050 Dearborn Drive
P.O. Box 29186
Columbus, OH 43229
800 877 9222 Phone
(US & Canada Only)
614 888 0246 (Outside U.S.)
614 841 6022 FAX
Via Leonardo Da Vinci 8
Zona Industriale Tognana
35028 Piove Di Sacco (PD)
Italy
39 049 9719 111 Phone
39 049 5841 257 FAX
Emerson Network Power Asia Pacific
7/F., Dah Sing Financial Centre
108 Gloucester Road, Wanchai
Hong Kong
852 25722201 Phone
852 28029250 FAX
Liebert.com
Technical Support
607 721 8840 Phone
607 722 8713 FAX
800 288 6169 Toll-Free
While every precaution has been taken to ensure the accuracy and
completeness of this literature, Liebert Corporation assumes no
responsibility and disclaims all liability for damages resulting from use
of this information or for any errors or omissions.
© 2010 Liebert Corporation All rights reserved throughout the world.
Specifications subject to change without notice.
® Liebert and the Liebert logo are registered trademarks of Liebert
Corporation. All names referred to are trademarks or registered
trademarks of their respective owners.
SL-22075 (9/10) Rev. 0
Emerson Network Power.
The global leader in enabling Business-Critical Continuity™.
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