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Liebert 110V - page 1
(07/04) N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h S S i i n n g g l l e e P P o o l l e e 1 1 1 1 0 0 V V U U s s e e r r M M a a n n u u a a l l HOT SWAP Net w o rk P ow er Sw it ch Liebert NP S ...
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Liebert 110V - page 2
(07/04) Dear Customer, Please accept our thanks for givi ng us the privilege to serve y ou 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 y ou already own and use a Liebert product, we are doubly honoured by your decision of ...
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Liebert 110V - page 3
USER MANU AL N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page i ENGLISH This manual desc ribes install ation and operation procedures for the N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h. All relevant parts of the m anual should be read pri or to com mencing inst allation. If you encounter any ...
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Liebert 110V - page 4
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Liebert 110V - page 5
USER MANU AL N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page i REGISTERED HEAD OFFICE EMERSON NETWORK POWER (India) Pvt. Ltd. Plot no. C- 20, Road no. 19 Wagle Indu strial E state Thane – 400 604 Ma harashtra, I ndia TELEPHONE: (00 91 22) 5807000, 582 8405 FAX: (00 91 22) 580 0829 / 5828358 Z O N A L O F F I C E S MUM ...
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Liebert 110V - page 6
USER MANUAL N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page ii Branch Offices: BARODA 39 / 2, Arunodaya Society, Alkapuri, BARODA-390 005 Tel : 0265-314296, 330383 Fax: 0265-314296, 330383 JAMSHED PUR Kashi kunj, Road no. 2, Gr. Floor Contractor’s area, Bistupur; JAMSHEDPUR – 831 001 Tel : 0657-437549 Fax: 0657-4375 ...
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Liebert 110V - page 7
USER MANU AL N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page iii Safety Precautions WARNING Personnel operating on any apparatus referred i n this manual must k now extensively t he product. The Network Power Swi tch must be commissioned and serviced by an engineer approved by the manuf acturer (or his agent). Failure t ...
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Liebert 110V - page 8
USER MANUAL N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page iv Table of Contents 1 Chapter 1 – General descri ption ............ ........... ............. .............. ........... .............. ........... .......... ...................... ......... 1-1 1.1 Introduction ......................... ................... ...
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Liebert 110V - page 9
USER MANU AL N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page v This manual describes th e following equipment: EQUIPMENT PART NUMBER 3kVA, 110V, 25A, 1 Pole Networ k Power Swi tch (Rev00) 492100399001 ...
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Liebert 110V - page 10
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Liebert 110V - page 11
User Manual Chapter 1 - General Descr iption N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 1-1 1 Chapter 1 – General description 1.1 Introduction The Network Power Switch is an automat ic static transfer switch designed to provide fast autom atic transfers between two independent, synchronous AC power sources t o pr ...
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Liebert 110V - page 12
Chapter 1 - General Descr iption User Manual N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 1-2 1.2 Design Concept Fig 1.2 - Power Circuit Diagram for Network Power Switch Figure 1.2 shows the Power circuit diagram for Network Power Switch. Source 1 & Source 2 are the two synchronized power sources with fuse switch ...
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Liebert 110V - page 13
User Manual Chapter 1 - General Descr iption N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 1-3 1.3 Mechanical Design Description Fig 1.3 – Hot swappable and Fixe d Unit The Network Power Switch consists of two module s. Fixed module c onsists of the input and output connections and m anual bypass transfer control sw ...
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Liebert 110V - page 14
Chapter 1 - General Descr iption User Manual N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 1-4 1.4 Mimic Indications Fig 1.4 – Mimic and LED Indications LED INDICATION Mimic indi cations: Ten LEDs are mounted on the mim ic plate; Glowing LED’s i ndicate the status of the Network Power Switch. S1 Healthy: Source ? ...
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Liebert 110V - page 15
User Manual Chapter 1 - General Descr iption N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 1-5 1.5 Manual Bypass Switch Operation Fig 1.5 – Manual Bypass S witch Operation Manual Bypass swit ch is used only when a fault occurs in the Network Power Switch a nd the control circuit ry of the Network Power Switch is to ...
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Liebert 110V - page 16
Chapter 1 - General Descr iption User Manual N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 1-6 1.6 Potential free contacts The Network Power Swi tch status can be checked with the 37-pin D-type connector, l ocated on the rear e nd. This is a potential free contact , and gives following indications as shown in Table 1- ...
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Liebert 110V - page 17
User Manual Chap ter 2 – Operatin g Instruc tions N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 2-1 2 Chapter 2 – Operating Instructions 2.1 Introduction The Network Power Switc h can be considered to be in one of the three operating conditions: • Norm al Operation - All relevant power swit ches and fuses closed ...
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Liebert 110V - page 18
Chapter 2 – Operating Instructions User Manual N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 2-2 2.4 Switching the Load to Manual Bypass condition Fig 2.2 – Switching to Bypass WARNING This operation should be performed by Trained personnel only. SWITCH TO YELLOW LED ‘ON’ POSITION ONLY. 1. By seeing t he LED i ...
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Liebert 110V - page 19
User Manual Chapter 3 – Installation Procedure N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 3-1 3 Chapter 3 – Installation Pr ocedure 3.1 Introduction WARNING Do not apply electri cal power to the Ne twork Power Switch equipment before t he arrival of the commissioning engineer. WARNING The Network Power Swi tch ...
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Liebert 110V - page 20
Chapter 3 – Installation Procedure User Manual N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 3-2 3.3 Connecting cables to Network Power Sw itch WARNING BEFORE CABLING-UP THE NETWORK POWER SWITCH, ENSURE THAT YOU ARE AWARE OF THE LOCATION AND OPERATION OF THE EXTERNAL ISOLATORS THAT CONNECT THE NETWORK POWER SWITCH I ...
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Liebert 110V - page 21
User Manual Chapter 3 – Installation Procedure N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 3-3 3.3.3 Cable connections Following are t he set of external power c ables, which are connect ed to the Network Power Switch equipm ent – • Input source 1 – Line • Input source 2 – Line • Input source 1 – Neu ...
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Liebert 110V - page 22
Chapter 3 – Installation Procedure User Manual N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 3-4 ...
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Liebert 110V - page 23
User Manual Chapter 3 – Installation Procedure N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 4-1 4 Chapter 4 - Specifications 4.1 General Specifications • Manual and Automa tic Transfers • Sense and transfer tim e – less than 6 millisec onds • Break-Before make swi tching • Selectable preferre d source • ...
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Liebert 110V - page 24
Chapter 3 – Installation Procedure User Manual N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 4-2 4.3 Mechanical specifications MECHANICAL CHARACTERISTICS UNITS DESCRIPTION Height mm 88.0 Widt h mm 431.0 Depth mm 457.0 Weight kg 8.0 Colour Matt B lack Installation 19” Rack Mounted / floor / tabl e top Cable en try ...
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Liebert 110V - page 25
User Manual Chapter 3 – Installation Procedure N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 4-3 ...
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Liebert 110V - page 26
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Liebert 110V - page 27
User Manual Chapter 5 – Installation Drawing N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h (02/04) Page 5-1 5 Installation Drawings 5.1.1 Power Circuit Diagram 5.1.2 External Power c able connections 5.1.3 Overall general arrangement ...
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Liebert 110V - page 28
Chapter 5 – Installation Drawing User Manual N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 5-2 (02/04) 5.1.1 Power Circuit Diagram ...
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Liebert 110V - page 29
Chapter 4 – User Manual N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h (02/04) Page 5-3 5.1.2 External Power c able connections O /p Line In p u t Fu s e 1 In p u t Fu s e 2 R ear Vi ew N eutral - 2 N eutral - 1 Snap- o n Conn ect or E x t er nal Cable s EX T E RN A L PO W E R C A B L E C O N N E C T IO N S NETWO RK PO W ...
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Liebert 110V - page 30
Chapter 5 – Installation Drawing User Manual N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h Page 5-4 (02/04) 5.1.3 Overall general arrangement HOT SWAP HOT SWAP 457 mm 431 mm 88 mm 465 mm 483 mm 76 mm Ne tw ork Po we r Swi tch Lie ber t NP S ...
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Liebert 110V - page 31
Chapter 4 – User Manual N N e e t t w w o o r r k k P P o o w w e e r r S S w w i i t t c c h h (02/04) Page 5-5 ...
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