Honeywell Notifier NFG-8 Installation And Operation Manual page 4

Central gas detection
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Warnings
THIS MANUAL SHOULD BE READ CAREFULLY BY ALL PERSONS WHO HAVE OR WILL HAVE
RESPONSIBILITY FOR THE INSTALLATION, USE OR SERVICE OF THIS PRODUCT.
As with any instrument, this product will function properly only when installed, used and checked as
prescribed by the manufacturer.
FAILURE TO DO SO MAY RESULT IN FAILURE TO OPERATE AS INTENDED, AND PERSONS
RELYING ON THIS PRODUCT FOR THEIR SAFETY MAY SUFFER PERSONAL INJURY OR DEATH.
LIMITATIONS OF DETECTION SYSTEMS
An alarm detection system can be very useful in the timely warning of any dangerous event, in some
cases it can automatically provide for the management of events (broadcasting of messages for local
evacuation, automatic extinguishing of fires, blocking of doors or access routes, automatic warning to the
authorities, etc.), but in any case, it does not ensure protection against damage to property.
In addition, any system may not function properly if it is not installed and maintained in accordance with
the manufacturer's instructions.
These instructions contain procedures to be followed to avoid damage to the devices. It is
assumed that the user of this manual has undergone training and is aware of applicable
regulations.
The system and all its components must be installed in an environment with the following
characteristics:
Temperature: 0 °C ¸ + 50 °C.
Humidity: 10 % - 85 % (non-condensing).
Peripheral devices (sensors, etc.) which are not perfectly compatible with the control unit can cause
both damage to the control unit itself and a malfunction of the system at the worst possible moment.
It is therefore essential to use only material guaranteed by NOTIFIER as compatible with its control
units. Please consult NOTIFIER Technical Service in case of doubt.
This system, like all solid state components, can be damaged by induced electrostatic
voltages: handle the boards by the edges and avoid touching the electronic components.
A good earth connection ensures a reduction in susceptibility to interference in any case.
Please consult NOTIFIER Technical Service if you are unable to solve installation problems.
Any electronic system will not function if it is not properly powered. In the event of a mains power
failure, the system ensures its operation by operating from the battery, but only for a limited period of
time. When designing the system, take into account the autonomy required to correctly size the
power supply and the batteries.
Have the status of the batteries checked periodically by qualified personnel. Disconnect the
NETWORK and batteries BEFORE removing or inserting any cards.
Disconnect ALL power sources from the control unit, BEFORE performing any
service operations.
The control unit and the connected devices (sensors, modules, annunciators,
etc.) can be damaged if a card is inserted or removed, or if you connect the
live wires.
The most common cause of malfunctions is inadequate maintenance.
Pay particular attention to these aspects right from the design phase of the system, in order to
facilitate and therefore reduce the future costs of interventions.
This control unit is CE marked to certify compliance with the requirements of the European
Community Directives
NFG-8
NFG-8_manu-inst_ITA
Installation and Operation
Manual
Doc. M-040.1-NFG8-EN
Rev A.3
PAGE - 11
NOTIFIER ITALY

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