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Installation and
Operating Instructions
Introduction
These operating instructions provide important
information on the correct installation and operation
of the gas alarm. Please read the instructions
completely and carefully before installation.
operating instructions belong to this product and
contain important points concerning bringing the
appliance into service and its operation.
Always pay attention to all safety instructions.
Should you have any questions or be unsure about
operating the appliance ask a specialist.
instructions and pass them on to third parties as
necessary.
Intended use
The GA 90 is designed to detect methane, butane and
propane gas. It is intended for use in private homes.
The design is based on a type A device - to emit a
visual and acoustic alarm and trigger an output signal
which, in turn, directly or indirectly activates the
ventilation or triggers other auxiliary equipment.
The gas alarm is designed to be connected to a supply
voltage of 230 V AC / 50 Hz. A mains cable attached
to the device is used to connect to the mains. As a
separate model, the gas alarm is available for an
operating voltage of 12 V DC. The electrical connection
for this model is made via a 2-pole connecting
terminal. The gas alarm must not be used in rooms
with potentially explosive atmospheres and is not a
primary measure of protection against explosions in
accordance with the guidelines of the Accident
Prevention & Insurance Association.
This equipment is not suitable for use by persons
(including children) with limited physical, sensory, or
GB
mental abilities or with lacking experience or lacking
knowledge unless they are supervised by a person
responsible for their safety or obtain instructions on
how to use the equipment. Children must be
supervised to make sure they do not play with the
equipment.
Attention:
!
The
Devices designed to detect combustible gases are
no substitute for correct gas installation and proper
operation of gas devices.
!
The selection of the location and the correct
installation of the gas detector are decisive for the
proper operation of device. It is strongly
recommended, therefore, that the device is only
Keep the
installed by a qualified specialist.
Scope of delivery
1 GA 90
2 fixing screws used for installation, 2 fixing plugs
1 installation and operating Instructions
Technical data
Alarm thresholds / sensitivity:
Methane
(town gas/natural gas)
Butane (liquefied gas)
Propane (liquefied gas)
Alarm volume
Relay output
12 V DC output
0.4000 vol. %
(approx. 9 % of the lower
explosion limit)
0.2050 vol. %
(approx. 14.5 % of the
lower explosion limit)
0.2400 vol. %
(approx. 14.1 % of the
lower explosion limit)
85 dB (A) / 1 m
potential-free switching
contact, 5A/230V AC,
5A/30V DC
switched when an alarm
goes off, 12 V DC
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