HAA77 GB
4
TEST/RESET
In order to test the detector : press the POWER button firmly. The HAA77 will
produce an intermittent buzzing sound and the red LED will flash. This indicates that
the detector is now operational.
To reset the detector when in alarm mode, press the Test/Reset button momentarily
but firmly to silence the alarm. If the CO-concentration in the proximity of the
detector remains at the preset alarm level or higher, the buzzer will be reactivated
after 7 minutes of silence.
MALFUNCTION
A malfunction is indicated by an ongoing intermittent buzzing sound and a flashing
red LED. If this occurs, press the Test/Reset button momentarily but firmly. DO
NOT use this unit if the situation remains unchanged.
CARBON MONOXIDE POISONING
The great danger of carbon monoxide is its attraction to the haemoglobines in our
bloodstream. When large concentrations of CO are present in the air, it rapidly
accumulates in the blood. It will eventually displace enough oxygen in your system
to suffocate you from the inside out, resulting in brain damage or death.
Carbon monoxide poisoning can happen to anyone, anytime, anywhere. Unborn
babies, infants, elderly people and people with coronary or respiratory problems
exhibit an increased vulnerability to CO-poisoning. The average healthy adult will
show symptoms under the following circumstances :
An exposure to 100ppm of CO for 20minutes may not have any effect. Four
hours of continuous exposure to the same level of CO may give you a headache.
A level of 440ppm CO, however, may give you a headache after only 35
minutes and can kill you in two hours’ time.
MAINTENANCE
The detector will provide you with years of protection.
1) Test the unit monthly by pressing the Test/Reset button.
2) Gently clean the surface with a soft cloth. Make sure that the sensor’s ventilation
grille is unobstructed.
3) Never allow high concentrations of flammable gas near the sensor, which is
located behind the sensor vent at the front of the unit, as this will not only damage
the sensor but could also cause a fire.
4) Never apply paint to the plastic outer housing of the detector.
