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Specifications:

Cat No. 

643084 (Ionisation)

   

643085 (Photoelectric)

Supply Voltage 

230-240V a.c.

Frequency 

50Hz

Backup Battery 

 9V battery included (recommended 

replacement: Energizer 522, Duracell 

MN 1604 or MX 1604) 

Temperature Range 

+5

o

C to ~ +50

o

C

Humidity Range 

10-95% at 20

o

C

Siren Sound Level 

>

 85 dB at 3 metres

Installation:

WARNING:

 In the interests of safety, a licensed electrician, in accordance with 

the relevant requirements of AS/NZS 3000, must install this smoke alarm and 

all wiring.
This alarm must be wired to a continuous 230-240V a.c. 50Hz circuit. Ensure 

any switching device cannot inadvertently override the unit.

NOTE: 

See overleaf for recommended locations of alarms

INSTALLER PLEASE NOTE:

Before you connect the mains power, check wiring polarity.

n

  If the alarm ‘chirps ’ press the Test button to check the battery condition. 

Replace battery if necessary.

n

  If ‘chirps ’ persist return smoke alarm to your supplier.

WIRING INSTRUCTIONS:

n  

This smoke alarm can be interconnected with other 643084 or 643085 

smoke alarms. Interconnection with other brands or models may cause 

damage or result in a shock or fire risk.

n  

Up to a limit of 20 smoke alarms may be interconnected.

n  

Not interconnectable with HPM 645/3 ionisation smoke alarm

n    

There are four terminals in the supply terminal block, marked A, I, N and 

E/LOOP. It is important that the alarm be wired correctly to ensure correct 

operation. Incorrect wiring to the smoke alarm will damage the unit and 

invalidate the warranty. See wiring diagrams.

n     

A maximum length of 300 metres of wire can be used in interconnecting 

smoke alarms. Spacing between interconnected smoke alarms must not 

exceed 30m per alarm.

n    

Interconnected smoke alarms must be connected to the same final 

sub-circuit.

n    

Do not use any wire that could later be confused with the normal house 

wires for the interconnect wire. For example, green/yellow earth wire.

n    

Do not connect AC power wires to I interconnect terminal. This may 

damage smoke alarms.

n     

Do not connect the I interconnect wire to any device, except the 

I interconnect terminal of another 643084 or 643085 smoke alarm or 

interface 643086. Otherwise, smoke alarms will be damaged.

n    

Smoke alarms should be interconnected only within the confines of a 

single-family living unit. If smoke alarms are interconnected between 

different units, there may be excessive nuisance alarms. Residents may not 

be aware that smoke alarms are being tested or that it is a nuisance alarm 

caused by cooking, etc.

PROFESSIONAL IONISATION / PHOTOELECTRIC SMOKE ALARM

INSTALLATION INSTRUCTIONS

IMPORTANT: 

READ ALL INSTRUCTIONS BEFORE INSTALLATION.

NO USER SERVICEABLE PARTS INSIDE THIS SMOKE ALARM.

Do not attempt to repair the smoke alarm yourself.

I

A

N

I

A

N

E/LOOP

I

A

N

E/LOOP

40mm

10mm

CEILING / WALL JUNCTION

TYPICAL MULTIPLE

FLOOR INSTALLATION

SINGLE FLOOR

APEX OF
SLOPING
CEILING

CEILING

ACCEPTABLE HERE

BEDROOM

BEDROOM

BEDROOM

W/C

KITCHEN

DINING

BATH

BD/RM HALL

BD/RM

KITCHEN

RUMPUS

LOUNGE

ROOM

LOUNGE ROOM

Smoke alarms for minimum protection.
Smoke alarms for additional protection.

BEST
HERE

NEVER
HERE

HEAT &

SMOKE

FROM

FIRE

HEAT & SMOKE

FROM FIRE

DEAD AIR

SPACE

DEAD 

AIR SPACE

SIDE WALL

300mm min 

300mm mi

n

 600mm mi

n

1500mm max

500mm mi

n

500m

min

BEST
HERE

BEST
HERE

THIS DEVICE CONTAINS A SMALL 

AMOUNT OF RADIOACTIVE MATERIAL.

WARNING:

49mm

Ø147mm

Red LED

Green LED

84mm

50mm

84mm

84mm mounting 

centre suitable for 

standard mounting 

brackets

Applicable to 643084 Ionisation alarm only.

Summary of Contents for 643084

Page 1: ...nty See wiring diagrams n A maximum length of 300 metres of wire can be used in interconnecting smoke alarms Spacing between interconnected smoke alarms must not exceed 30m per alarm n Interconnected smoke alarms must be connected to the same final sub circuit n Do not use any wire that could later be confused with the normal house wires for the interconnect wire For example green yellow earth wir...

Page 2: ...function Green LED should glow to show main power present Red LED will pulse every 60 seconds to indicate correct operation and the 9V battery is OK 8 Press the Test Hush button for 5 seconds to check the alarm works 9 When installing onto a wall the mounting hinge must be on left hand side Battery BATTERY INSTALLATION n The smoke alarm uses one 9V battery to automatically provide back up power to...

Page 3: ...osed door may prevent the alarm from waking the sleeper n Smoke heat and other combustion products rise to the ceiling and spread horizontally Mounting the alarm on the ceiling in the centre of the room places it closest to all points in the room Ceiling mounting is preferred in ordinary residential construction n For mobile home installation select location carefully to avoid thermal barrier that...

Page 4: ...anufactured or imported are of acceptable quality To make a claim under any statutory guarantee or other warranty you should first contact the supplier contractor or retailer from whom you purchased the products Customer Service For all Customer Service and Technical Support enquires please call Monday to Friday during business hours HPM Legrand Australia 1300 369 777 www legrand com au HPM Legran...

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