SenTech SK-20NZ User manual

SK-20NZ SMOKE ALARM INSTALLATION INSTRUCTIONS
Thank you for buying a Sentech photoelectric smoke alarm. Please read all
instructions before installing the smoke alarm, so it will protect your home in the
best possible way.
• Ifyouareinstallingthesmokealarmforsomeotherperson,leavethese
instructions or a copy of them with him/her.
• TheSentechphotoelectricsmokealarmisalsosuitableforuseincamper
vans,caravans,andboats.
1. POSITIONING THE SMOKE ALARM
• Placeatleastonesmokealarmper60m2on each floor.
• Placeasmokealarmineachcorridorandbedroom.
• Thesmokealarmshouldbeplacedontheceilingandideallyclosetothe
middle of the room.
• Placeasmokealarmatthetopofeachstaircase.
AVOID THESE POSITIONS:
Near a wall or corner: Placethesmokealarmatadistanceofatleast50cmfrom
a wall or corner.
Moist places:Avoidinstallingsmokealarmsnearmoistoroccasionallymoist
places such as a shower or kitchen, where steam may cause a false alarm.
Ventilation ducts:Avoidinstallingasmokealarmimmediatelynexttoaventilation
duct.Thedraftmaypreventsmokefromreachingthesmokealarm.Smoke
alarmscan’tbeinstalledinalocationwheretheairvelocityismorethan300ft/min
(1.5 m/sec).
Dead-air spaces:Avoidinstallingasmokealarmintheangleofapitchedroof.
Installitatadistanceofleast10cmfromtheridge.
Fluorescent lamps:Avoidinstallingasmokealarmimmediatelynextto
fluorescent lamps, such as halogen lights.
Radiation heating source:Avoidinstallingasmokealarmradiantheatingsource.
Radiant heating in the ceiling can create a hot air barrier layer along the ceiling
surfacewhichcanseriouslyrestrictthemovementofsmokeandheattowardsa
smoke alarm.
2: OPERATION AND TESTING
Normal mode:Theredlightashesonceevery344seconds(roughly6minutes)
in normal mode.
Alarm mode: When the smoke alarm detects smoke, it goes into alarm mode in
which the smoke alarm beeps continually and the red light flashes.
Test mode: Most of the alarm top/face is the test button. Press the test button
until you hear the alarm sound and see the light flash. Release the button and the
smoke alarm will go into silence mode (9 minutes).
Silence mode: During alarm mode, press the test button for 1 second to reset the
smoke alarm. The beep is silenced when the test button is released - the alarm
thenentersintoa9minutesilencemode.Insilencemode,theredlightashes
onceevery10secondstoindicatethatthemodeisactive.
Thesilencemodewillbecancelledifanyofthefollowingconditionsexist:
•Highsmokelevel.•Testbuttonisactivatedagain.
Error mode: Thesmokealarmsendsouta‘beep’threetimesevery43seconds.
Removethesmokealarmfromthemountingplateandcleanupthesurfacedust,
thenre-install.Ifthesmokealarmremainsinerrormode,contactthedistributors
as listed.
Low battery:Whenthebatteryisusedup,thesmokealarmbeepsatintervalsof
43seconds.Youcansilencethebeepbypressingthetestbuttonfor3seconds
-duringthe3secondstheredlightstaysonandthebeepsounds.Afterthe3
seconds release the test button, and the ‘beep’ prompt is silenced for 8 hours.
Pressingthetestbuttonfor3secondsthenreleasingwillalsoactivatethesmoke
alarm in to a 9- minute silence mode. At the end of the 8 hours, the audible
indicationwillresumeifthelowbatteryconditionstillexists.
Local Alarm Memory:Ifthesmokealarmgoesintoalarmmode,itwillenterthe
24hourslocalalarmmemorystateafterexitingalarmmode.
Inlocalalarmmemorystate,thegreenlightashesthreetimesat1.3second
intervals-thispatternwillrepeatevery43seconds,andwillstopafter24hours,
returningtonormalmode.Youwillstillbeabletoidentifyaunitwithanalarm
memory by pressing the test button. When you press test button, the ‘beep’
soundwillbeonceevery0.25seconds-releasethetestbuttontorevertfromthe
localalarmmemorystate.Theinitial24hoursvisualindicationisnotdisplayedif
the smoke alarm is in the low battery condition.
End of life indicator: After10yearsofoperation,anaudiblewarningsignal
occurs to indicate that the smoke alarm should be replaced. This indicator will
be similar to the error mode warning that the smoke alarm sends out ‘beep’ three
timesevery43seconds.
3. MAINTENANCE
Battery life: Thesmokealarmcontainsa3Vlithiumbattery(CR123A).Thelifetime
is10years.Whenthebatteryisusedup,thesmokealarmbeepsatintervalsof43
secondsforatleast30days.Ifthebatteryisusedup,replacethesmokealarmas
soon as possible.
WARNING:Lithiumbatteriescanexplodeorcauseburningifinstalledincorrectly.
Do not attempt to replace the battery.
Cleanthesmokealarmatleastonceayear.Separatethesmokealarmcarefully
from the installation plate by turning it counter-clockwise.
Test the smoke alarm after cleaning it. Do not paint or modify the smoke alarm.
Waste handing: The smoke alarm should be disposed in accordance with normal
waste handing for electronics.
4. TECHNICAL INFORMATION
Operatingprinciple:Photoelectric Warranty:5years
Alarmcurrent:<200mA Soundvolume:≥85 dB
atadistanceof3meters
Dimensions:42.5xØ50.8mm Holdingtemperatureof
3Mattachmenttape-35°C~93°C
Maximumhumidity:93% Voltage:3V(built-inlithiumbattery)
Quiescentcurrent:<3uA Operatingtemperature:0°C~45°C
Weight:54g Conformtothestandard:EN14604
5. MANUFACTURER’S GUARANTEE
Themanufacturerprovidesa5yearguarantee,startingfromthepurchasedate
oftheproduct.Ifthesmokealarmbecomesdefectiveduringtheguarantee
period,thesmokealarmwillbereplacedwithanewoneprovidingthedefective
oneisreturnedtothedistributor.Theguaranteecoversmanufacturingormaterial
defects in the product, if the smoke alarm has been used according to the user
instructionsandtheguaranteeperiodhasnotexpired.Theguaranteeperiodfor
a smoke alarm that has been replaced with a new one is the same as that of the
original smoke alarm. The guarantee is not valid if:
1) the product is used, maintained, or tested contrary to the user instructions,
2) the defect has been caused by a negligent act by other than the manufacturer,
3) iftheproducthasbeenmodiedortreatedwithforce,
4) ifittheguaranteereceiptismissing.
Theguaranteedoesnotcovercostsduetoinstallationorbatteryreplacement.
Themanufacturer’sresponsibilitydoesnotinanycaseexceedthepriceofanew
smoke alarm. The manufacturer is not responsible for any damage or loss that has
been caused by a non-working smoke alarm or negligence by the manufacturer.
This guarantee does not affect rights enacted by law.
Australasian Distributors:
CSL-CuthbertStewartLimited.
22FisherCrescent,
Mt Wellington, Auckland.
POBox62293,
SylviaPark1644
Freehone:0800288423
Phone:+6499281000
Fax:+6494891752
Email:[email protected]

7. INSTALLATIONS
ASentechsmokealarmcanbeinstalledintwodifferentways:
(1) QUICK INSTALLATION WITH 3M DOUBLE-SIDE TAPE
Makesurethattheinstallationsurfaceisevenandcleanedthoroughly.Ifthe
ceilinghasanunevensurfaceorroughintexture,installthesmokealarmwiththe
screws supplied.
C) Removetheredcoveronthedouble-sidedtape.
D) Attachthesmokealarmbypressingitrmly
againsttheceilingforapproximately60seconds.
Youmayalsohearanalarmsoundifthetest
button gets pressed during installation.
E) Makesurethatthesmokealarmisactivatedby
pressing the test button for 1 second. When the
smokealarmgivesanalarmsound,thetestis
complete and your smoke alarm is ready for use.
Note:Installationwith3Mdouble-sidedtapeisnotapprovedaccordingto
GreatBritain’sLPCBstandard.
The installation is now complete. Test your smoke alarm weekly!
The installation is now complete. Test your smoke alarm weekly!
(2) INSTALLATION WITH SCREWS
6. PRODUCT COMPONENTS DRAWING
A) Activatethesmokealarmbypushingthemounting
plate and turning it clockwise at the same time.
Thesmokealarmisactivatedandreadytobe
installedwhenyoufeelclicks.Youmayalsohear
an alarm sound if the test button gets pressed
duringactivation.
A) Removethemountingplateofthesmokealarmby
turning it counter-clockwise and lifting it away.
C) Pressthesmokealarmagainstthemountingplate
and turn it clockwise until you feel clicks.
D) Makesurethatthesmokealarmisactivatedby
pressing the test button for 1 second. When the
smokealarmgivesanalarmsound,thetestis
complete and your smoke alarm is ready for use.
B) Toachievethecorrectsmokealarmposition,mark
drill holes for the screws then screw the mounting
plate of the smoke alarm tightly to the ceiling with
the screws.
B) Removethewhitecoveronthedouble-sidedtape,
then adhere to the mounting plate.
EN 14604:2005
0832-CPR-F1312
16
1050b/01