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Page 5

MOUNTING INSTRUCTIONS

1.

Attach the mounting bracket in the proper location on the wall or ceiling (screws and anchors
provided).

2.

To activate 9 volt battery and alarm, hold the battery, pull and remove the PULL-TAB.  Confirm
that the entire PULL-TAB has been completely removed. Discard PULL-TAB.

3.

Push and twist the alarm clockwise onto the mounting bracket.

4.

See "OPTIONAL TAMPER RESISTANT FEATURE" and "TO ACTIVATE THE LOCKING
FEATURE" instructions on Page 4.

5.

The red LED will blink on approx. every 40-45 seconds to indicate proper operation.

OPERATION, TESTING & MAINTENANCE

OPERATION:

 The smoke alarm is operating once the battery power is connected by removing the

PULL-TAB. When products of combustion are sensed, the alarm sounds a loud alarm which continues
until the air is cleared.
This alarm incorporates the NFPA recognized horn signal for evacuation. During alarm mode, the
horn produces three beeps followed by a two second pause and then continually repeats.

READY/ACTIVE CONDITION:

 The red LED blinks on once approx. every 40-45 seconds to indicate

the alarm is properly functioning.

ALARM CONDITION:

 The red LED blinks on once approx. every 2 seconds and the alarm emits a

loud, pulsating alarm sound.

NUISANCE ALARMS:

 

The smoke alarm is designed to minimize nuisance alarms. Smoking will

not normally set off the alarm unless smoke is blown directly into the smoke alarm. Combustion
particles from cooking may set off the alarm if the smoke alarm is located close  to the kitchen
cooking surface. Large quantities of combustion particles are generated from spills or broiling.
If the smoke alarm does sound, check for fires first. If a fire is discovered, get out and call the fire
department. If no fire is present, check to see if one of the reasons listed above may have caused
the alarm. Use the Silence Feature if it is a nuisance alarm, or reset the alarm by pressing and
holding the test button for ten seconds. Refer to RESET below.
NOTE: It is best to "reset" the alarms before initial test is performed. See below for Reset procedures.

TESTING:

 Test by pressing the Test button on the smoke alarm cover until the alarm sounds, then

release. The alarm sounds if all electronic circuitry, horn and battery are working. If no alarm sounds,
the alarm may have a power supply failure. 

Test the smoke alarm weekly to assure proper

operation. IMPORTANT: 

Under normal conditions, the test button should sound the alarm

immediately after it is pressed. There are special conditions that, when you press the Test button,
you will experience a delay of approx. 10-15 seconds before the alarm sounds. This delay occurs if
the test button is pressed during a self-diagnostic period. This occurs: (1) Upon initial power up; (2)
After battery replacement (and no AC power is present); (3) If 120 volt  AC power has been interrupted
and no backup battery is present.

RV INSTALLATION
WARNING:

 TEST SMOKE ALARM OPERATION AFTER VEHICLE HAS BEEN IN STORAGE,

BEFORE EACH TRIP AND AT LEAST ONCE PER WEEK DURING USE. An identical marking is to
be provided by the recreational vehicle manufacturer that shall be permanent and located visibly,
within 24 inches (810mm) of the smoke alarm.

ALARM ORIGINATION: 

The QUICK FIND

®

 feature will allow you to immediately locate the originating

alarm (once the alarm has stopped sounding). To initiate QUICK FIND

®

, press the Test/Silence

button on each alarm. After releasing the button, the originating alarm will continue to sound for 60
seconds. It is necessary to test each alarm to determine the originating alarm in a 9 volt non-
interconnected installation.

RESET:

 

To reset the QUICK FIND

®

 Alarm Origination condition, press and hold the Test button

on any alarm for at least 10 seconds and then release, or temporarily remove (and then
replace) the battery. This will clear alarm origination indicator. Reset after each alarm activation.
END-OF-SERVICE LIFE NOTIFICATION:

 A majority of home fire deaths are a result of no smoke

alarms or no 

working

 smoke alarms. In addition to the "replace by date" stamped on the back of your

alarm, your alarm contains a unique audible end-of-service life notification feature. When it is time
to replace your alarm, which is after approximately 10 years of operation from initial power up, the
alarm will sound 1 beep approx. every 60 seconds and the red LED will blink on once approx. every
40-45 seconds. The alarm should be replaced immediately.

Summary of Contents for MDS300

Page 1: ...tions 5 Operation Testing Maintenance 5 RV Installation 5 QUICK FIND Alarm Originating Feature Reset 5 Silence Feature 6 Cautions Warnings 6 Battery Replacement 6 Develop and Practice a Plan of Escape...

Page 2: ...PLAYING WITH MATCHES NATURAL CAUSES SUCH AS LIGHTNING OR ARSON FIRE PREVENTION IS YOUR BEST SAFEGUARD INSTALLING SMOKE ALARMS MAY MAKE YOU ELIGIBLE FOR LOWER INSURANCE RATES BUT SMOKE ALARMS ARE NOT A...

Page 3: ...4 in 102 mm vertically to the peak Sloped Ceilings Shed Ceilings Smoke alarms or smoke detectors mounted on a sloped ceiling having a rise greater than 1 ft in 8 ft 1 m in 8 m horizontally shall be l...

Page 4: ...ms weekly to assure proper operation CAUTION THIS SMOKE ALARM IS SEALED THE COVER IS NOT REMOVABLE A mounting bracket is provided on the back of the alarm Remove the mounting bracket from the back of...

Page 5: ...n on the smoke alarm cover until the alarm sounds then release The alarm sounds if all electronic circuitry horn and battery are working If no alarm sounds the alarm may have a power supply failure Te...

Page 6: ...under normal operating conditions Replace the battery with only LITHIUM type ULTRALIFE U9VL J OPTIONAL BATTERY DRAWER TAMPER LOCKING PIN To make your battery drawer tamper resistant a locking pin has...

Page 7: ...eryone is there o Call the fire department from your neighbor s home not from yours o Don t return to your home until fire officials say that it is all right to do so NATIONAL FIRE PROTECTION ASSOCIAT...

Page 8: ...stallation Blinks On once approx every 40 45 seconds Condition Alarm needs to be reset due to varying conditions previous alarms Recommendation To Reset theAlarm hold the Test Silence button for appro...

Page 9: ...NT AND SPECIFICALLY DISCLAIMS ANY WARRANTY WHETHER EXPRESS OR IMPLIED OF FITNESS FOR A PARTICULAR PURPOSE OTHER THAN THE WARRANTY CONTAINED HEREIN NO IMPLIED WARRANTY ON THIS PRODUCT CREATED BY STATE...

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