6 D-302894 SMD-426 PG2, SMD-427 PG2 Installation Instructions
E. This detector, if used as a stand-alone unit, will not alert people who are hard of hearing.
F. In general, detectors may not always warn you about fires caused by carelessness and safety hazards like smoking in bed, violent
explosions, escaping gas, improper storage of flammable materials, overloaded electrical circuits, children playing with matches or arson.
G Smoke detectors are not fool-proof. Like all electronic devices, smoke detectors have limitations. No type of smoke detector can sense
every kind of fire every time. In addition, smoke from slow, smoldering fires rises slowly and may not reach the smoke detector until
actual flame breaks out. This type of smoke may not reach the smoke detector in time for occupants to escape unharmed.
H. Smoke detectors are not a substitute for life or property insurance. Though smoke detectors have been responsible for saving many
lives, they are not warranted or implied to protect lives or property in the event of fire.
I. These wireless systems are very reliable and are tested to high standards. However, due to their low transmitting power and limited range
(required by the regulatory authorities), there are some limitations to be considered:
i) Receivers may be blocked by radio signals on or near their operating frequencies, regardless of the code selected.
ii) A receiver can only respond to one transmitted signal at a time.
iii) Wireless equipment should be tested regularly to determine whether there are sources of interference and to protect against faults.
6. TAKING CARE OF THE SMD-426 PG2 or SMD-427 PG2
6.1 Battery Replacement
The SMD-426 PG2 and SMD-427 PG2 were designed to be as maintenance-free as possible. To keep the smoke detector in good working order, you
must test it weekly, as instructed in par. 3 "Smoke Detector Test".
Make it a rule to replace the detector’s battery (lithium) once every 8 years even if there is no indication that the battery is weak. Also be
sure to replace it immediately upon reception of a low battery message via your control panel.
If you disregard this message, an audible reminder in the form of once-per-minute "beep" will sound after a few days. The low-battery
"beep" should last at least 30 days before the battery dies out completely.
NOTE: For best performance, use only lithium batteries as replacement batteries (see Specifications). Carbon zinc batteries are not acceptable.
Replace the battery as follows:
A. Separate the detector from its bracket (see Figure 2).
B. Replace battery (see Figure 9a or Figure 9b according to the battery used).
6.2 Maintenance
It is necessary to maintain the detector frequently to ensure it working properly. Follow these tips for taking care of your detector:
Use a vacuum cleaner to clean the air vents occasionally to keep them free of dust. When a "Clean Warning" transmission is received, the
detector should be cleaned. When a trouble event is received, the detector should be removed (see Table 1 for visual and audible indications).
Perform detector functional test (see par. 3 'Smoke Detector Test") weekly.
A clean (maintenance) signal is transmitted when the detector's chamber sensitivity becomes degraded.
Note: If false alarms keep occurring, check whether the detector's location is adequate (see par. 2 "Installation"). Relocate the unit if it is not
located properly. Clean as described above.
7. ADDITIONAL ADVICE
7.1 Routine Testing
The detector should be tested weekly and also whenever you suspect that it does not go into alarm (for further details see par. 3 'Smoke
Detector Test"). If the detector fails, have it repaired or replaced immediately, to ensure that it works properly.
Every 3 months the smoke detector must be checked by using smoke detectors test sprayer.
WARNING: Never use an open flame of any kind to test your detector. You may set fire to damage the detector as well as your home.
The built-in test switch accurately tests all detector functions, as required by Underwriters' Laboratories.
NOTE: If the alarm horn produces a loud continuous sound and the red LED flashes when you are not testing the unit, this means the detector
has sensed smoke or combustion particles in the air. Verify that the alarm is a result of a possible serious situation, which requires your
immediate attention.
The alarm could be caused by a false situation. Cooking smoke or a dusty furnace, sometimes called "friendly fires" can cause the alarm to
sound. If this happens, open a window or fan the air away to remove the smoke or dust. The alarm will turn off as soon as the air is completely
clear.
CAUTION: Do not disconnect the battery from the detector. This will remove your protection from fires.
If there is any question as to the cause of an alarm, it should be assumed that the alarm is due to an actual fire and the residence
should be evacuated immediately.
If the alarm horn begins to beep once every 30 sec (for further details, see table in par. 2.4 "Audible and Visual Indications"), this signal means
that the detector's battery is weak. Install a new battery immediately. Keep fresh batteries on hand for this purpose.
7.2 Tips to Enhance Your Protection From Fires
Putting up smoke detectors is only one step in protecting your family from fires. You must also reduce the chances of fires starting in your home.
You must also increase your chances of escaping safely if one does start. To have a good fire safety program you must apply the following tips to
enhance your family's protection from fires:
A. Install smoke detectors properly. Carefully follow all the instructions in this manual. Keep your smoke detectors clean and test them every
week.
B. Remember that detectors that do not work will not alert you. Replace your smoke detectors immediately if they are not working properly.
C. Follow fire safety rules, and prevent hazardous situations:
Use smoking materials properly. Never smoke in bed.
Keep matches and cigarette lighters away from children.
Store flammable materials in proper containers. Never use them near open flame or sparks.
Keep electrical appliances in good condition. Do not overload electrical circuits.
Keep stoves, fireplaces, chimneys, and barbecue grills grease free. Make sure they are properly installed and away from any combustible
materials.
Keep portable heaters and open flames such as candles away from combustible materials.
Do not allow rubbish to accumulate.
Keep a supply of extra batteries on hand for your battery powered smoke detectors.
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