Nexa MSA-866 Manual

Nexa Røgdetektor MSA-866

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MODEL : MSA-866/10Y

LONGLIFE 10 YEARS BATTERY OPERATED

MINIATURE PHOTOELECTRIC

SMOKE ALARM WITH HUSH FEATURE

0086-CPR-632447

Nexa13539-CPR-632447

EN14604:2005/AC:2008

Nexa Trading AB, Box 12200, 40242 Gothenburg

Sweden

Fire Safety and installed in buildings

Main Features :

• Photoelectric Sensor for Slow Smouldering Fires

• Long life Lithium Battery

• Miniature Size

• Hush Feature

• Power & Alarm Test Button

• Low Battery Warning

• Loud 85db alarm signal

• Supplied with wall plugs & screws

• Pre-warning fault signal

• Dust cover included

This instruction leaflet contains important information

on the correct installation and operation of your smoke

alarm. Read this leaflet fully before attempting

installation and retain for future reference.

SPECIFICATION

Power Source : 3V Lithium cells (CR123A/

CR2477 /FDK½.6L)

Operation Current : <20mA operation (In Alarm)

Sensitivity to smoke : 0.65-1.52% per foot obscuration

Operation Temperature : 0

C-40

Ambient Humidity : 10%-90%

Horn Level : 85 Decibels at 3 metres

Battery Life : approx. 12 years

Approval: Certified to BS EN14604:2005

LOCATING THE SMOKE ALARM

This smoke alarm is a single station photoelectric alarm and

should NOT be connected to other smoke alarms.

If your dwelling is on a single storey, for minimum protection

you should fit an alarm in the hallway between the living

areas (incl. Kitchens) and sleeping areas. Place it as near to

the living areas as possible and ensure the alarm is audible

when the bedrooms are occupied. See Figure 1 for

examples.

If your dwelling is multi-storey, for minimum protection one

alarm should be fitted at the bottom of the staircase with

further alarms fitted on each upstairs landing. This includes

basements but excludes crawl spaces and unfinished attics.

See Figure 2 for examples.

NOTE: For maximum protection an alarm should be fitted in

every room (except kitchen, bathroom and garage).

DO NOT FIT AN ALARM IN THE KITCHEN or BATHROOM,

as cooking fumes or steam may trigger the alarm.

DO NOT FIT ALARM IN A GARAGE, as exhaust fumes are

likely to set it off.

POSITIONING THE SMOKE ALARM

Ceiling Mounting

As hot smoke rises and spread out, it is advisable to mount

on a ceiling in a central position. Avoid areas where there is

no air circulation. E.g. Corners of rooms and keep away from

items which may prevent the free flow of air. Place the unit at

least 300mm from and light fitting or decorative object which

might obstruct smoke / heat entering the alarm. Keep at

least 300mm away from walls. See Figure 3i.

Wall Mounting

Do not mount tight into the corners. Put the top edge of your

smoke alarm between 150 and 300mm below the ceiling.

Keep at least 300mm from room corners. See Figure 3i

On a Sloping Ceiling

In areas with sloping or peaked ceilings install your Smoke

Alarm 900mm from the highest point measured horizontally

because “dead air” at the apex may prevent smoke from

reaching the unit. See Figure 3ii.

Areas to be avoided include the following :-

• Situations where the temperature may fall below

C or rise above 40

• Humid areas such as bathrooms, kitchens, shower

rooms where the relative humidity may exceed 90%

• Near a decorative object, door, light fitting, window

molding etc., that may prevent smoke or heat from

entering the alarm.

• Fume filled environments such as garages.

Exhaust gases may cause false alarms.

• Adjacent to or directly above hot components such

as radiators or wall vents that can effect the

direction of air currents.

• In very dusty or dirty environments such as

workshops.

• Locate unit at least 1.5m and route wiring at least

1m away for fluorescent light fittings as electrical

“noise” and/or flickering may affect the unit. Do not

wire into the same circuit as fluorescent lights or

dimmers.

• Do not locate in insect infested areas. Insects and

contamination on the Heat Alarm sensor can

increase its response time.

INSTALLING THE SMOKE ALARM

This smoke alarm is powered by battery and requires no

additional wiring.

• Having established the mounting location ensure

that there in no electrical wiring or pipe work in the

area adjacent to the mounting surface.

• Take the mounting bracket and mark the two

mounting hole locations.

• Drill holes in the positions marked.

• Insert wall plugs into the drilled holes.

• Screw mounting bracket to mounting surface. DO

NOT OVER TIGHTEN.

• Assemble detector onto the mounting plate by

aligning the two projections (A1) and (A2) on the

mounting plate with the two keyhole slots in the

detector.

Lock in position by giving a clockwise quarter

turn. This clockwise turn can switch on the

sealed-in battery in same time. i.e. power on the

device simultaneously

• Test the alarm for correct operation using test

facility.

LANDING

HALL

BATHROOMBEDROOM

LIVING

ROOM

KITCHEN

BASEMENT

LIVING

ROOM

BATHROOM

KITCHEN

BEDROOM

HALL

MAXIMUM PROTECTION

MINIMUM PROTECTION

KEY

FIGURE 1 - SINGLE STOREY DWELLING

FIGURE 2 - 2/3 STOREY DWELLING

Produkt Specifikationer

Mærke:	Nexa
Kategori:	Røgdetektor
Model:	MSA-866

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