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M A I N S

SMOKE ALARMS

& HEAT ALARMS

OWNERS

MANUAL

COVERS • Simple Fitting Instructions • Location Guide

• User Information • Basic Fire Safety Tips

For further information

• Simple Maintenance Instructions

please write:

Dicon Safety Products (Europe) Ltd.

P.O. Box 402

PHOTOELECTRIC SMOKE ALARMS

GLOUCESTER

650M, 650MC, 650MRB 650MRL, 650MBX

GL2 9YB

IONIZATION SMOKE ALARMS

670M, 670MC, 670MRB, 670MRL,

670MBX, 370MBX

HEAT ALARMS

680M, 680MC, 680MRL, 680MRB, 680MBX

220-240VAC (

MAINS POWERED ALARMS

CLASS II APPARATUS

IMPORTANT: PLEASE READ

AND RETAIN THIS OWNERS MANUAL

When installing this alarm for use by others, please

2502-A0033

leave this manual or a copy with the end user.

CHECKS BEFORE USE

370MBX, 650MBX, 670MBX, and 680MBX:

• Check battery has been fitted correctly.

• Check alarm is not beeping.

• Test alarm before switching on the electricity supply.

All Alarms:

• Check the green light is on (behind the front grille).

• Check the red light flashes every 45 seconds or so.

• When testing linked alarms check that they all

interconnect within 10 seconds.

IMPORTANT NOTES

• On the 370MBX the alarm will beep for 10 minutes

if the pause button has been pressed.

• Alarms with rechargeable batteries or capacitor

back up may beep for up to 2 hours while the

batteries / capacitors charge.

• Leave a copy of this handbook with the user and ensure

they know how to use and maintain the alarm.

A: GUIDANCE ON INSTALLATION

P O W E R E D

WARNING: Wiring should be installed by a qualified electrician in accordance with BS7671.

Permanent connection to the fixed wiring of the building should be made in a suitable junction box.

This alarm must not be exposed to dripping or splashing. Connect the alarm as late as possible in

an installation, particularly in new build, to avoid contamination. Remove the dust cover before

applying power.

NOTE: For detailed guidance on the siting of this alarm refer to section C of this handbook.

IMPORTANT: The circuit used to power the alarm must be a 24 hour voltage circuit that cannot be

turned off by a switch. BS5839 Part 6 states that: -

For mains powered alarms, each with an integral standby supply (Grade D), the mains electricity

supply should take the form of either:

a) an independent circuit at the dwelling's main circuit board, in which case no other electrical

equipment should be connected to this circuit (other than a dedicated monitoring device

MODELS:

installed to indicate failure of the mains electricity supply to the alarms); or

b) a separately electrically protected, regularly used local lighting circuit.

For mains powered alarms, with no standby supply (Grade E), the mains electricity supply may

only take the form of an independent circuit as per a) above. If it is necessary to use an RCD for

protection, it should operate independently of any RCD protection for circuits supplying sockets or

portable equipment.

All interconnected alarms should be installed on a single final circuit.

NOTE: The maximum interconnect wiring length is 250 metres. The maximum number of alarms

interconnected together is 12. Dicon smoke alarms should not be connected to any model

produced by another manufacturer.

The location of the alarms must comply with the applicable building codes and the advice in

)

section C: WHERE TO LOCATE below.

B: INSTALLATION (See Diagrams 1 & 2)

1. IMPORTANT INFORMATION: THE COLOUR CODING FOR ELECTRICAL CABLES USED IN

BUILDING WIRING HAS BEEN CHANGED AS FOLLOWS:-

Old colour

Red

Yellow

Blue

Black

The new (harmonised) colour cables may be used on site from 31 March 2004. New installations

or alterations to existing installations may use either new or old colours, but not both, from 31st

March 2004 until 31st March 2006. Only the new colours may be used after 31 March 2006. For

more information see Amendment No: 2 to BS 7671:2001 and guidance publications.

See also www.iee.org/cablecolours

When selecting cable for connecting interlinked

smoke alarms the interlink wire should be

treated as live.

2. Use either of the methods of installation

shown in diagrams1 and 2.

The installation method shown in diagram 1 is

suitable for a plasterboard or similar ceiling

where access to the void behind it is available

and suitable to mount the junction box.

The installation method shown in diagram 2 is

suitable for concrete or similar ceilings where

access is insufficient or where surface wiring

is necessary.

3. Connect the brown wire to the brown (live)

in the house wiring and the blue wire to the

blue (neutral). NO CONNECTION SHOULD

BE MADE TO THE MAINS ELECTRICITY

SUPPLY EARTH TERMINAL. TERMINATE

HOUSE WIRING EARTH

IN SPARE CONNECTOR.

4. For multiple alarm installations use a "three

core and earth" style cable between all the

alarms to be interconnected and connect

the third core of that cable to the white wire from the smoke alarm. DO NOT use the earth wire

for the interconnect line. This must be treated as live, i.e. insulated and sheathed. If the alarm

is not going to be interconnected, cap the unused wires.

5. Remove the baseplate from the back of the alarm by twisting anti-clockwise as far as it will go.

(about 12 mm). Detach the locking pin.

New (harmonised) colour

Designation

Brown

L1 (Live)

Black

L2 (Live)

Grey

L3 (Live)

Blue

Neutral

BROWN (LIVE)

Diagram 1

BLUE (NEUTRAL)

BLACK or GREY (INTERLINK)

EARTH

BROWN

WHITE

BLUE

INSTALLATION USING JUNCTION BOX

650MBX, 670MBX and 680MBX

Detach battery door screw from the base plate.

Open the battery door on the back of the alarm,

connect the battery, close the door and secure

with the screw provided before fitting the alarm

to the baseplate.

Test the alarm using the test button.

6. Attach the flat side of the mounting plate and

tighten screws to fit snugly against the pattress

or junction box and ceiling or wall.

7. Bring the power connector through the centre

opening of the plate.

IMPORTANT: THE PAPER GASKET SUPPLIED MUST

BE FITTED BETWEEN THE REAR OF THE ALARM

AND THE MOUNTING PLATE TO PREVENT THE

ALARM FROM BECOMING CONTAMINATED BY

DUST AND TO ENSURE THE CORRECT OPERATION

OF THE ALARM. Gasket not required on alarms fitted

with protective film on the back.

8. Plug the lead into the rear of the alarm.

9. Place the alarm on the baseplate by lining up

arrows on the baseplate and the alarm rim and

twist clockwise to fasten.

To secure the alarm to the baseplate, insert the

locking pin (removed from the base in 5 above)

into the 'T' shaped slot located above the arrow

on the rim of the alarm.

370MBX

Open the battery drawer, insert the battery

contacts first according to the markings on the inside of the drawer front, close the drawer

and test the alarm using the test button before turning on the mains electricity supply.

Fit either locking key into the 'Key Slot' above the battery drawer handle. Key number 1 locks

the alarm to the base, key number 2 locks the alarm to the baseplate AND the battery drawer

closed. These keys remain in place and should only be removed when opening the battery

drawer or removing the alarm from the baseplate.

LOCKING PINS / KEYS MUST BE FITTED. DO NOT ATTEMPT TO REMOVE THE ALARM FROM

THE BASEPLATE WITHOUT FIRST REMOVING THEM.

10. Switch on the mains electricity supply.

11. Check that the green light is on and that the red light is flashing every 45 seconds or so.

The lights are located behind the grille on the front of the alarm.

12. Press and hold the test button until the alarm sounds. NOTE: On the 670 series, pressing this

button places the alarm in pause mode.

SYSTEMS OF MORE THAN ONE ALARM

Test each alarm in the system checking that all other alarms in the system are triggered within 10

seconds.

WARNING

Do not attempt to test the alarm with flame heat or smoke, the results may be misleading and

JUNCTION BOX

may damage the alarm.

The dust cover must be removed as late as possible before commissioning. This will reduce the

chances of the alarm being contaminated by building dust etc.

Remove the alarm from the system before testing the wiring with high voltage insulation testing

BASEPLATE

equipment otherwise this will damage the alarm and will invalidate the warranty.

C: WHERE TO LOCATE

ALARM

1. As a minimum smoke alarms should be located between sleeping areas and potential sources

of fire such as living rooms and kitchens. In single storey homes with one sleeping area a

BATTERY

smoke alarm should be installed in the hallway as close as possible to the living

ACCESS

accommodation. To ensure audibility in the bedrooms it may be necessary to install more than

DOOR

one smoke alarm, particularly if the hallway is more than 15m long. In single storey homes

with two separate sleeping areas, a minimum of two smoke alarms is required, one outside

each sleeping area. In multilevel or split level homes as a minimum a smoke alarm should be

installed on the ground floor between the staircase and any rooms in which a fire might start

and on each storey in circulation areas which form part of the escape route (normally hallways

and landings).

NOTE: Heat alarms should not be used in escape routes instead of smoke alarms. They should

only be used in the applications listed below in addition to smoke alarms and should always be

interconnected to smoke alarms.

2. Additional alarms should be installed in bedrooms in anticipation of fires originating there,

caused by faulty wiring, lights, appliances, smokers or other hazards.

Diagram 2