Liebert 110V User Manual
NNeettwwoorrkk PPoowweerr SSwwiittcchh
SSiinnggllee PPoollee 111100V
Liebert NPS
Network Power Switch
HOT
SWAP
V
UUsseerr MMaannuuaall
(07/04)
Dear Customer,
Please accept our thanks for giving us the privilege to serve you by choosing a Liebert make
product.
If this is your first Liebert product, we hope it is the beginning of a long relationship which
delivers value to your organisation. If you already own and use a Liebert product, we are
doubly honoured by your decision of continuing this relationship.
It is our constant endeavour to partner you for the growth and success of your business. This
philosophy is reflected in our Mission statement “To deliver value through Air & Power
Quality solutions to achieve customer delight”. Please do give us feedback to help us
realize our Mission.
Emerson Network Power
(07/04)
USER MANUAL
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ENGLISH
This manual describes installation and operation procedures for the
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All relevant parts of the manual should be read prior
If you encounter any problems with the procedures contained in this manual
you should seek immediate assistance from the Liebert Sales Office
from whom the equipment was purchased.
Liebert Corporation pursues a policy of continual product development and reserves the right to change the
equipment design without notice.
Copyright 2003 by Liebert Corporation.
Unauthorized reproduction prohibited
All rights reserved.
h.
to commencing installation.
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USER MANUAL
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REGISTERED HEAD OFFICE
EMERSON NETWORK POWER (India) Pvt. Ltd.
Plot no. C-20, Road no. 19
Wagle Industrial Estate
Thane – 400 604 Maharashtra, India
TELEPHONE: (00 91 22) 5807000, 5828405
FAX: (00 91 22) 5800829 / 5828358
Z O N A L O F F I C E S
MUMBAI
B 414-424, Bhaveshwar Arcade,
(opp. Shreyas cinema), LBS Road,
Ghatkopar(W), MUMBAI – 400 086
Tel : 022-5002318, 5002294, 5002437
Fax: 022-5002415 Pager : 9623-988 000
Mobile : 9820030917, 9820030915
NEW DELHI
18 / 14, WEA, Pusa Lane, Karol Baug;
NEW DELHI 110 005
Tel : 011- 5724706, 5781878, 5781071,
5744774, 5766438
Fax: 011- 5757601
Pager : 9632-100 300
KOLKOTA
77 A, Raja Basant Roy Road,
KOLKOTA – 700 029
Tel : 033 - 4646387, 4647197
Fax: 033 – 4667172
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USER MANUAL
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Branch Offices:
BARODA
39 / 2, Arunodaya Society,
Alkapuri, BARODA-390 005
Tel : 0265-314296, 330383
Fax: 0265-314296, 330383
CHANDIGARH
SCO-198 / 199 / 200,
Sector – 34A, Near Labour Chowk,
CHANDIGARH
Phone: 0172-662 873
Mobile: 9814100901
CHENNAI
No. 22, First Floor, Gopal Krishna Road,
T. Nagar, CHENNAI – 600 017
Tel : 044 - 8231742, 8221063, 8228996
Fax: 044 - 8231742
COCHIN
Lakshmini No. 36 / 2684,
Veluthamma House, Azad Road,
Kaloor, COCHIN 682017
Tel : 0484 - 341985
Fax: 0484 - 341986
GOA
622 / A, La Citadel Colony
Dona Paula, GOA – 403 004
Tel : c/o. 0832 – 220 723
JAMSHEDPUR
Kashi kunj, Road no. 2, Gr. Floor
Contractor’s area, Bistupur;
JAMSHEDPUR – 831 001
Tel : 0657-437549
Fax: 0657-437549
LUCKNOW
206, Sriram Tower, Ashok Marg
LUCKNOW
Phone : 0522-201467
Pager : 9628-555091
Mobile: 9839025563
NAGPUR
203, Ganga Apts,
13, Giripeth
NAGPUR 400 010
Phone / Fax : 0712 – 540423, 548551
PUNE
B-6, Shri Dwarka co-op. Society,
467/ C1, Hare Krishna Mandir Path,
Model Colony, Off University Road,
PUNE – 411006
Tel : 020 - 5676975, 5670709
Fax: 020 - 4004020
SECUNDARABAD
Plot no. 4, Sardar Patel Road
SECUNDARABAD – 500 003
Tel : 040 - 7717263, 7719196
Fax: 040 - 7806502
GUWAHATI
South Savania, Ashram Road,
Ulubari, GUWAHATI 781 007
Tel : 0361 - 543848
Fax: 0361 - 543270
Mobile: 9864023587
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USER MANUAL
Safety Precautions
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WARNING
Personnel operating on any apparatus referred in this manual must know extensively the product.
The Network Power Switch must be commissioned and serviced by an engineer approved by the manufacturer (or his
agent).
Failure to do so could result in personnel safety risk, equipment malfunction and invalidation of warranty.
CONFORMITY AND STANDARDS
The optional device complies with the requirements of the standards identified at the beginning of the User’s
Manual supplied with the Network Power Switch
Continued compliance requires installation in accordance with these instructions and the use of manufacturer
approved accessories only.
General
The unit must be grounded in accordance with current electrical regulations.
General
As with other types of power equipment, dangerous voltages are present within the Network Power Switch
enclosure. The risk of contact with these voltages is minimized as the live component parts are housed behind a
hinged, lockable door.
No risk exists to any personnel when operating the equipment in the normal manner, following the recommended
operating procedures.
All equipment maintenance and servicing procedures involve internal access and should be carried out only by
trained personnel.
Guide to the Instructions
The warning triangle indicates all the personal safety instructions.
Follow these instructions carefully to avoid injury.
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Table of Contents
1 Chapter 1 – General description ............................................................................................................................... 1-1
1.1 Introduction.......................................................................................................................................................... 1-1
1.2 Design Concept.................................................................................................................................................... 1-2
1.3 Mechanical Design Description .......................................................................................................................... 1-3
1.4 Mimic Indications................................................................................................................................................ 1-4
1.5 Manual Bypass Switch Operation....................................................................................................................... 1-5
1.6 Potential free contacts.......................................................................................................................................... 1-6
2 Chapter 2 – Operating Instructions........................................................................................................................... 2-1
2.1 Introduction.......................................................................................................................................................... 2-1
2.2 General Notes....................................................................................................................................................... 2-1
2.3 Procedure for Switching the Network Power Switch to power the load from a Power Off condition.............. 2-1
2.4 Switching the Load to Manual Bypass condition ............................................................................................... 2-2
2.5 Procedure for switching the Network Power Switch from Manual Bypass condition to Normal Operation.... 2-2
3 Chapter 3 – Installation Procedure ........................................................................................................................... 3-1
3.1 Introduction.......................................................................................................................................................... 3-1
3.2 Equipment positioning and environmental considerations................................................................................. 3-1
3.3 Connecting cables to Network Power Switch..................................................................................................... 3-2
3.3.1 Cable entry ....................................................................................................................................................... 3-2
3.3.2 Cable Rating..................................................................................................................................................... 3-2
3.3.3 Cable connections ............................................................................................................................................ 3-3
3.3.4 Safety earth....................................................................................................................................................... 3-3
3.3.5 Protective devices............................................................................................................................................. 3-3
3.3.6 Cabling Procedure............................................................................................................................................ 3-3
4 Chapter 4 - Specifications......................................................................................................................................... 4-1
4.1 General Specifications......................................................................................................................................... 4-1
4.2 Electrical Specifications ...................................................................................................................................... 4-1
4.3 Mechanical specifications.................................................................................................................................... 4-2
4.4 Environmental specifications .............................................................................................................................. 4-2
5 Installation Drawings................................................................................................................................................ 5-1
5.1.1 Power Circuit Diagram .................................................................................................................................... 5-1
5.1.2 External Power cable connections................................................................................................................... 5-1
5.1.3 Overall general arrangement............................................................................................................................ 5-1
5.1.1 Power Circuit Diagram .................................................................................................................................... 5-2
5.1.2 External Power cable connections................................................................................................................... 5-3
5.1.3 Overall general arrangement............................................................................................................................ 5-4
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This manual describes the following equipment:
EQUIPMENT PART NUMBER
3kVA, 110V, 25A, 1 Pole Network Power Switch (Rev00) 492100399001
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