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Preface; Safety; Classification Of Important Information; Description - Nederman Airflow Alarm Kit Manual Del Usuario

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1 Preface

Thank you for using a Nederman product!
The Nederman Group is a world-leading supplier and
developer of products and solutions for the environ-
mental technology sector. Our innovative products
will filter, clean and recycle in the most demanding of
environments. Nederman's products and solutions will
help you improve your productivity, reduce costs and
also reduce the impact on the environment from in-
dustrial processes.
Read all product documentation and the product iden-
tification plate carefully before installation, use, and
service of this product. Replace documentation imme-
diately if lost. Nederman reserves the right, without
previous notice, to modify and improve its products
including documentation.
This product is designed to meet the requirements
of relevant EC directives. To maintain this status, all
installation, maintenance, and repair is to be done
by qualified personnel using only Nederman original
spare parts and accessories. Contact the nearest au-
thorized distributor or Nederman for advice on tech-
nical service and obtaining spare parts. If there are
any damaged or missing parts when the product is de-
livered, notify the carrier and the local Nederman rep-
resentative immediately.

2 Safety

2.1 Classification of important informa-
tion
This document contains important information that
is presented either as a warning, caution or note, ac-
cording to the following examples:
WARNING! Risk of personal injury
Warnings indicate a potential hazard to the
health and safety of personnel, and how that
hazard may be avoided.
CAUTION! Risk of equipment damage
Cautions indicate a potential hazard to the
product but not to personnel, and how that
hazard may be avoided.
NOTE!
Notes contain other information that is import-
ant for personnel.
Airflow Alarm Kit

3 Description

3.1 Intended use

The Airflow Alarm monitors pressure conditions in a
suitable duct.

3.2 Function

The Airflow Alarm is connected to a fan starter so that
Airflow Alarm starts to monitor automatically and sim-
ultaneously with the fan. The alarm is activated when
the static pressure in the duct is outside preset limits.
The Airflow Alarm can either monitor one particular
exhaust point at a workplace or a group of workplaces
connected to a single air duct leading to the fan.

3.3 Main parts

See
Figure
1. The Airflow Alarm Kit consists of:
1

Airflow Alarm - Control box.

2
Pressure switch. Available as a standard model,
and an ATEX-approved model for zone 2/22.
3
Protection filter.
4 Rubber fitting
5
Flashlight (optional)
6
Cable gland (optional)
3.3.1 Airflow Alarm - Control box
See
Figure
2. The Airflow Alarm contains a terminal
block that includes connections to:
1
85-230 VAC power supply (Phase 1). Signal in from
fan to activate monitoring.
2
85-230 VAC power supply (Phase 2). Power into
Airflow Alarm.
3
External connection to central surveillance (Op-
tional)
4 Pressure switch
5
External Airflow Alarm devices, such as a flash-
light
NOTE!
Drill an extra hole and install a cable gland if the
Control box is to be directly connected to both
a flashlight and central surveillance. See
ure 1
(6).
EN
Fig-
11

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