Ei Electronics Ei 3100RF - Manual (Page 18)

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12. FIVE YEAR GUARANTEE (Limited)
Ei Electronics, guarantees this smoke alarm for five years
from date of purchase against any defects that are due to
faulty materials or workmanship. This guarantee only applies
to normal conditions of use and service, and does not include
damage resulting from accident, neglect, mis-use, unautho-
rized dismantling, or contamination howsoever caused. This
guarantee excludes incidental and consequential damage.
This guarantee does not cover costs associated with the
removal and/or installation of alarms. If this smoke alarm
should become defective within the guarantee period, it must
be returned to Ei Electronics, with proof of purchase, careful-
ly packaged, and with the problem clearly stated. (see
"Getting Your Alarm Serviced"). We shall at our discretion
repair or replace the faulty unit.
Do not interfere with the smoke alarm or attempt to tamper
with it. This will invalidate the guarantee, but more important-
ly may expose the user to shock or fire hazards.
This guarantee is in addition to your statutory rights as a con-
sumer.
13. What is the best Smoke Alarm
Optical or Ionisaton ?
Both types respond in all standard fires but each type may
respond faster to particular fires as shown. For dual protection
install each type.
The Home Office (UK) states (in FB2):
“If your home has more than one floor, at least one alarm
should be fitted on each level. In this case a combination of
Optical & Ionisation alarms, preferably interconnected, will
give best protection”.
Optical Sensor
Best for slow smouldering fires
- large smoke particles
Ion Sensor
Best for fast flaming fires
- small smoke particles