Page 2 - Emerson Network Power
(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 produ...
Page 3 - Page; ENGLISH; All relevant parts of the manual should be read; prior; to commencing installation.
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 i ENGLISH This manual describes installation 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 manual should be read prior to com...
Page 5 - REGISTERED HEAD OFFICE; Wagle Industrial Estate; MUMBAI; KOLKOTA
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 i 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) 58008...
Page 6 - Page ii
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 JAMSHEDPUR Kashi kunj, Road no. 2, Gr. Floor Contractor’s area, Bistupur; JAMSHEDP...
Page 7 - Safety Precautions; WARNING; Follow these instructions carefully to avoid injury.
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 iii Safety Precautions 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 b...
Page 8 - Page iv; Table of Contents
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 description ............................................................................................................................... 1-1 1.1 Introduction ..........
Page 9 - This manual describes the following equipment:; EQUIPMENT
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 v This manual describes the following equipment: EQUIPMENT PART NUMBER 3kVA, 110V, 25A, 1 Pole Network Power Switch (Rev00) 492100399001
Page 11 - Chapter 1 – General description; Fig 1.1 – Block Diagram of Network Power Switch
User Manual Chapter 1 - General Description 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 automatic static transfer switch designed to provide fast automatic transfers between two ind...
Page 12 - Fig 1.2 - Power Circuit Diagram for Network Power Switch
Chapter 1 - General Description 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 th...
Page 13 - Mechanical Design Description; Fig 1.3 – Hot swappable and Fixed Unit
User Manual Chapter 1 - General Description 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 Fixed Unit The Network Power Switch consists of two modules. Fixed module consists of the input and output connec...
Page 14 - Mimic Indications
Chapter 1 - General Description 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 indications: Ten LEDs are mounted on the mimic plate; Glowing LED’s indicate the status of the N...
Page 15 - Manual Bypass Switch Operation; Operating Network Power Switch in Bypass mode
User Manual Chapter 1 - General Description 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 Switch Operation Manual Bypass switch is used only when a fault occurs in the Network Power Switch and the control c...
Page 16 - Potential free contacts; Fig 1.6 – Pin details for 37 pin D-type Connector; Termination ava ilable of 37 pin D-type connector; Pin Details; Rear View
Chapter 1 - General Description 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 Switch status can be checked with the 37-pin D-type connector, located on the rear end. This is a potential free contact, and giv...
Page 17 - Chapter 2 – Operating Instructions; Manual Bypass – The load is connected to the input supply directly.
User Manual Chapter 2 – Operating Instructions 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 Switch can be considered to be in one of the three operating conditions: • Normal Operation - All re...
Page 18 - Switching the Load to Manual Bypass condition; Fig 2.2 – Switching to Bypass; This operation should be performed by Trained personnel only.; Normal Operation
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 ‘...
Page 19 - Chapter 3 – Installation Procedure; commissioning engineer.; Equipment positioning and environmental considerations; The Network Power Switch cabinet is connected with live voltages,
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 Procedure 3.1 Introduction WARNING Do not apply electrical power to the Network Power Switch equipment before the arrival of the commissioning en...
Page 20 - Connecting cables to Network Power Switch; WARNING SIGNS TO PREVENT THEIR INADVERTENT OPERATION.; entry; Input
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 Switch WARNING BEFORE CABLING-UP THE NETWORK POWER SWITCH, ENSURE THAT YOU ARE AWARE OF THE LOCATION AND OPERATION OF THE EXTERNAL IS...
Page 21 - connections; devices
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 the set of external power cables, which are connected to the Network Power Switch equipment – • Input source 1 – Line • Input source 2...
Page 23 - Chapter 4 - Specifications; General Specifications; ELECTRICAL
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 Automatic Transfers • Sense and transfer time – less than 6 milliseconds • Break-Before make switching ...
Page 24 - Mechanical specifications; Environmental specifications; UNITS
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 Width mm 431.0 Depth mm 457.0 Weight kg 8.0 Colour Matt Black Installation 19” Rac...
Page 27 - Installation Drawings; Circuit
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 cable connections 5.1.3 Overall general arrangement
Page 29 - External Power cable connections; EXTERNAL POWER CABLE CONNECTIONS; NETWORK POWER SWITCH
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 cable connections O /p Li ne Input Fus e 1 Input Fus e 2 Rear View N eutr al - 2 N eutr al - 1 Snap-on Connector External Cables EXTERNAL POWER CABLE CONNECTIONS NETW...
Page 30 - Overall general arrangement
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 m m 431 mm 88 m m 465 mm 483 mm 76 m m Networ k P ower S witc h Liebert NPS
