LEGRAND 3 109 53 Manuel utilisateur

Part. LE09522AA-08/16-01 GF

3 109 53

Maintenance Bypass Switch

Installation Manual

ENGLISH 3

3 109 53

Maintenance Bypass Switch

Index

3 109 53 Maintenance Bypass Switch

Installation Manual

1 Introduction 4

1.1 Overview 4

1.2 Guarantee terms 5

2 Safety regulations 5

3 Installation 7

3.1 Introduction 7

3.2 Front panel 8

3.3 Package content 9

3.4 Rack Mount Configuration 10

3.5 Tower Configuration 11

3.6 Preliminary operations 12

3.6.1 Procedure for Daker DK 1000-2000 VA 13

3.6.2 Procedure for Daker DK 3000 VA 15

4 Operations 17

5 Troubleshooting 18

6 Technical specifications 19

1.1 Overview

Congratulations on your purchase of the LEGRAND maintenance bypass switch 3 109 53.

This switch (MTBS) has been specically designed to ensure seamless operation of your critical

load during maintenance and testing or during the unlikely event of a UPS failure.

ATTENTION

It is necessary to read the whole manual carefully before doing any operation.

ATTENTION

The maintenance bypass switch 3 109 53 can only be used with the UPS Daker DK 1000 VA -

2000 VA - 3000 VA and Daker DK+ 1000 VA - 2000 VA - 3000 VA manufactured by LEGRAND.

The purpose of this manual is to provide necessary indications to install and use safely the main-

tenance bypass switch.

The reading of these instructions is essential but it cannot substitute the expertise of the technical

personnel who must have had adequate preliminary training.

The MTBS has been built for the applications specied in this manual. For no reason whatsoever

it is allowed to use it for purposes other than those for which it has been designed.

This manual must be kept in a safe, dry place and always be available for consultation. It is suggest-

ed to make a copy and to save it.

The manual is to be considered an integral part of the maintenance bypass switch and there-

fore must be kept for the equipment’s useful life cycle.

The information included in this manual must not be disclosed to third parties. Any duplication,

total or partial, not authorized in writing by the Manufacturer obtained by photostatting or any

other method, even electronically, violates the copyright conditions and can be prosecuted by law.

LEGRAND reserves the property rights of this publication and forbids the total or partial

reproduction of it without prior written consent.

1 Introduction

3 109 53 Maintenance Bypass Switch

Installation Manual

1.2 Guarantee terms

The guarantee conditions may vary depending on the country where the maintenance by-

pass switch 3 109 53 is sold. Check with your local LEGRAND sale representative for validity

and duration.

The Manufacturer declines all direct and indirect liabilities resulting from:

- failure to observe instructions included in this manual;

- use by personnel who have not read and thoroughly understood the content of this manual;

- use that does not comply with the specic standards used in the country where the equipment

is installed;

- modications made to the equipment, software, functioning logic unless they have been author-

ized by the Manufacturer in writing;

- repairs that have not been authorized by the LEGRAND Technical Assistance Centre;

- damage caused intentionally, through negligence, by acts of God, natural phenomena, re or

liquid inltration.

ATTENTION

It is necessary to read carefully these safety provisions and the entire manual before carry-

ing out any operation.

DANGER

This product should be installed in compliance with installation rules, preferably by a qualied

electrician. Incorrect installation and use can lead to risk of electric shock or re.

Before carrying out the installation, read the instructions and take account of the product’s specic

mounting location.

Do not open up, dismantle, alter or modify the device except where specically required to do so

by the instructions. All Legrand products must be opened and repaired exclusively by personnel

trained and approved by Legrand. Any unauthorized opening or repair completely cancels all

liabilities and the rights to replacement and guarantees.

Use only Legrand brand accessories.

DANGER

The maintenance bypass switch 3 109 53 can only be installed with the UPS Daker DK 1000 VA

- 2000 VA - 3000 VA and Daker DK+ 1000 VA - 2000 VA - 3000 VA completely SWITCHED OFF and

UNPLUGGED FROM THE MAINS.

1 Introduction

2 Safety regulations

ATTENTION

Inspect the maintenance bypass switch immediately after opening the packaging. If it appears

damaged, do not install it but contact immediately the LEGRAND Technical Service Assistance.

ATTENTION

The UPS, the maintenance bypass switch or the load equipment may be damaged if the installa-

tion and operating procedures are not followed.

ATTENTION

• Do not connect the maintenance bypass switch to an ungrounded outlet or extension cords or

adapters that eliminate the connection to ground.

• Do not use this equipment in dusty or corrosive environments or near any ammable objects.

• The power requirement for each load connected to the maintenance bypass switch must not

exceed the individual outlet’s load rating.

• The equipment is not designed for outdoor use. It can operated under a maximum ambient

temperature of +40°C (+104°F).

• The equipment must be installed near a mains socket and it must be easily accessible.

ATTENTION

In case of problems with the maintenance bypass switch, the manual must always be consulted to

nd out how to solve them.

If the problem persists, contact the LEGRAND Technical Service Assistance which will provide all

the instructions on what to do.

2 Safety regulations

3 109 53 Maintenance Bypass Switch

Installation Manual

3.1 Introduction

There are two operation modes oered by the Maintenance Bypass Switch (MTBS).

1 - UPS MODE (UPS available): when the MTBS works on UPS mode, the UPS supply directly the

loads.

2 - UTILITY MODE (maintenance bypass): when the MTBS works on the UTILITY mode, the loads are

supplied by the MTBS. The UPS can be turned off for maintenance or service operation without

affecting the loads.

3 Installation

3.2 Front panel

1. UPS output power cord: connect to the UPS output sockets

2. Input Socket: connect to the mains socket

3. CAM SWITCH: Maintenance Bypass Switch

4. Lamps: they indicate the presence of the UPS and of the mains

5- 6. Load Sockets: connect to the loads

7. UPS Input Socket: connect to the UPS Input

3 Installation

3 109 53 Maintenance Bypass Switch

Installation Manual

3.3 Package content

3 Installation

3.4 Rack Mount Configuration

Step 1

Step 2

Step 3

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