Manual BRK Electronics CO850MRLi Carbon Monoxide Detector

Manual

H. A Malfunctioning unit

In low battery mode the yellow light will flash with a short beep

once every 60 seconds. If a circuitry or sensor fault occurs,

the yellow light will stay permanently on and be accompanied

by 2 short beeps every 60 seconds. Call Customer Services

on +44 (0) 1452 887570 if this should happen.

WARNING: If the green light is off (or not flashing every

minute in battery mode) the alarm may be without power

and therefore will not indicate a fault condition.

J. Tips for the Homeowner

Energy Conservation and Indoor Air Quality

Two steps that homeowners take to conserve energy may

adversely affect indoor air quality. Since air leakage can

account for as much as 40% of heat loss, houses are being

made more airtight. Reduced air leakage will contribute to

higher concentrations of air contaminants from indoor

sources and can cause draught reversal in the central

heating boiler or fireplace chimney when the demand for air

by fireplaces, central heating boilers and exhaust fans

exceed the air supplied by leakage area and supply ducts.

Converting from oil to gas, without taking steps to prevent

chimney deterioration, will increase the risk of chimney

blockage, draught failure and the associated release of

combustion products into the house. You should always use

properly qualified Capita/Gas Safe registered gas installers.

Dirt and Blockage

Never insulate or try to seal up a draught hood, wind cap or

exhaust vent on any gas appliance (central heating boiler,

hot water heater, cooker, dryer or space heater). Keep area

around appliances clean. Don’t store anything that could

restrict air circulation close to equipment. If you have a gas

water heater, make sure that combustion air openings at the

bottom of the tank and the opening below the draft diverter

(on top of the tank next to the flue duct) remain unblocked. If

you have a gas dryer, the exhaust duct must be vented to the

outside and have a hood at the end. Check that the exhaust

system is not blocked by lint or debris and that the flapper

in the hood moves freely.

For all fuel-burning equipment, make sure that vent hoods

and pipes are not blocked by insulation, leaves or bird

nests. If you have pets, make sure that there is no build up

of fur or hair around gas burners or aeration holes.

Using other equipment that consumes or

exhausts household air

If you use exhaust fans, a fireplace or other fuel burning

heaters or stoves:

Run exhaust fans for just a minute or two. Prolonged use

could remove too much air, and it wastes heat.

If your appliance has a conventional flue, beware of running

extraction fans when the gas appliance is on.

When your fireplace, coal or wood stove is operating, open

a window and close off warm air registers in the room or

install a fresh air duct directly to the fireplace or stove so

that it won’t steal air from your central heating boiler

.

Confining or enclosing gas-fired equipment

If you have partitioned off your central heating boiler and

water heater, you may need additional ventilation.

Danger Signs

Stuffy, stale or smelly air, back draughts and soot from a

fireplace or boiler chimney usually means your home needs

more air for proper combustion and healthy living.

For gas-fired equipment, mostly yellow (rather than clear

blue) burner flames, a pilot light that keeps going out, or a

smell of gas indicate trouble. Turn off the equipment and

contact the gas emergency service, number in the telephone

directory, under ‘Gas

’

.

K. Additional Safety Tips

BRK Dicon/First Alert CO alarms are manufactured to the

highest standards to ensure faultless operation and long life.

The manufacturers do, however, recommend that no CO

alarm should be used for more than twelve years, in order to

minimise the chance of a fault occurring. This device

requires no special disposal procedures and may be

disposed of in household refuse. Have your fuel-burning

equipment checked periodically for safety and efficiency by

a qualified service engineer. If you are adding a wood or

coal burning stove to a home, make sure that the stove is

properly installed and vented.

Check with the Building Inspectors Department of your local

council and always use a qualified (Capita/Gas safe

registered) gas installer.

If you have already installed a wood or coal stove without

building regulation approval, consult your local Building

Control Officer. Some ‘do-it-yourselfers’ have unknowingly

created dangerous conditions.

Do not expose yourself to carbon monoxide through

carelessness. Never operate a petrol engine in a confined or

enclosed space such as a garage or tool shed. Never use a

paraffin stove or charcoal grill in a confined space such as a

closed garage or caravan. On brick chimneys inspect and

clean-out regularly to ensure that the chimney is free and

clear of debris.

Regardless of the fuel your boiler, fireplace or stove uses, your

chimney should be inspected from time to time by a

competent person. Any ‘Efficiency’ devices must always be

installed by a Capita/Gas Safe registered installer. When using

paints, household cleaning supplies or similar materials, be

sure that you’re using them in a well-ventilated area. Following

sensible maintenance and safety procedures in the home will

give you fuel savings without endangering your health.

L. Where should you install the alarm?

Which room to put the alarm?

Ideally, you should have an alarm in or near every room that

has a fuel-burning appliance. However, if you have more

than one appliance, but only one alarm, you should take the

following into consideration when deciding where best to

put the alarm.

• If there is a fuel-burning appliance in the room where you

sleep, you should put the alarm in that room.

• If there is a fuel-burning appliance in the room that you

use a lot. e.g. a sitting room, you should put it in that

room.

• If you live in a bed-sit put the alarm as far away from the

cooking appliances as possible, but near to the place

where you sleep.

• If the fuel-burning appliance is in a room not normally

used (e.g. a boiler room) put the alarm just outside the

room so that you will be able to hear the alarm more

easily.

If the alarm is in the same room as the appliance:-

It should be mounted on or close to the ceiling at a height

greater than that of any door or window. It should be at least

300mm from any wall, light fitting or any other obstruction.

If mounted on a wall it should be at least 150mm from the

ceiling. If mounted in a room with a sloped or gabled ceiling

it should be at least I metre lower than the highest point of

the room as long as that is above doors and windows.

If the alarm is in a room that is remote from the appliance,

then the alarm should be in the breathing zone of the

occupants.

• An alarm should be at least 1.8 metres (6 feet) from the

fuel-burning appliance.

Do not put a CO alarm:

• Outside the building.

• In close proximity to a vehicle exhaust pipe; this will

damage the alarm.

• In or below a cupboard.

• In a damp or humid area.

• Near paint thinners, adhesives, polishes, aerosols, or

household cleaning products. Other substances may also

affect the reliability of the unit.

• Directly above a sink or cooker.

• Next to a door window or extractor fan or anywhere that it

would be affected by draughts.

• In exhaust streams from gas engines, vents, flues or

chimneys.

• Where it would be obstructed by curtains or furniture.

• In an area where the temperature could drop below -10ºC

or rise to above 40ºC.

• Where humidity is less than 30% R.H. or more than 90%

R.H.

• Where dirt or dust could block the sensor and stop it

working.

• Where it could be easily knocked or damaged, or where it

could be accidentally turned off or removed.

M. How should you install the alarm?

CO850MBXi

When inserting the battery for the first time remove the

Battery Access Door (see section F) by sliding towards the

side of the alarm. Remove the battery access door screw

from the body of the alarm shown in section F. Remove the

battery from the compartment and connect it to the flying

lead found in the compartment. ONLY USE APPROVED

BATTERIES, either Duracell MN1604, MX1604, GP 1604A

or Energiser 522. Carefully insert the battery back into its

compartment, refit the access door and secure with the

screw removed above. When changing the battery in future

remove the battery access door screw before opening the

door. Test the alarm in accordance with section G.

For mains powered models Mi, MBXi.MRLi

This unit is designed for permanent connection to a 230-

240 VAC 50-60Hz supply. The maximum current draw is

45mA – select fuse accordingly.

1. ELECTRICITY MUST BE TURNED OFF AT THE

DISTRIBUTION BOARD BEFORE COMMENCING ANY

WORK IN ORDER TO PREVENT ELECTRICAL SHOCK OR

EQUIPMENT DAMAGE.

2. Select a suitable location in accordance with the

guidance in section L of this manual and complying with

the requirements set out above.

3. Remove CO alarm and pattress from packaging.

4. Place pattress at chosen location with the connector

block uppermost. Mark and then drill holes for suitable

fixings, corresponding to the slots in the base of the

pattress.

5. Bring supply wires from mains into the pattress.

N.B. The CO850 mains powered series are supplied

complete with a pattress within which wiring connections

are made and does not therefore require a junction box. The

pattress is provided with knockouts in the base for entry

from the back or an end port knockout for mini-trunking.

6. Secure pattress to mounting surface using suitable

fixings.

7. Connect the incoming live wire to the terminal marked L,

the incoming neutral wire to the terminal marked N and

the incoming green and yellow earth wire into the unused

terminal marked E.

This alarm can be interlinked to 11 other CO alarms (12 in

all). To interlink to another alarm connect the incoming wire

used for the interlink connection to the terminal marked I

The incoming wire must be rated the same as the incoming

live and neutral.

NOTE: NO connection should be made to the mains supply

earth terminal. Simply secure the incoming earth wire at

terminal marked E to prevent contact with live neutral or

interlink wires.

8. Carefully offer the alarm up to the pattress ensuring the

connection pins locate into the sockets in the pattress.

9. Secure alarm to pattress using securing screws supplied

in a separate polythene bag.

NOTE: MRLi model only. This version contains

pre-charged, rechargeable Lithium ion batteries.

On installation some alarms may chirp once a minute

for up to 2 hours whilst the batteries 'top up'.

10. Turn electricity supply back on.

11. Ensure the green power light is on and then press the

test button. The alarm will sound 2 series of 4 beeps

with red light followed by a single flash of the yellow

and green lights.

12. If the alarm is interconnected to other CO alarms,

pressing the test button on one alarm will cause the

others to sound within a few seconds. The red light will

only show on the originating alarm.

N. Technical information

Your alarm utilizes a proprietary Electronic Sensing

Technology that permits the unit to vary the exposure time

before the alarm sounds based on carbon monoxide

concentrations.

The carbon monoxide concentrations and time standards for

the alarms are as follows:

O. Guarantee Information

Limited Guarantee

Your alarm, excluding the battery in the CO850MBXi models,

is warranted for 5 years from the date of purchase against

defect in material and workmanship. Units returned to BRK

Brands Europe Ltd with proof of purchase date during this

period as a result of such defects will be repaired, or replaced

at BRK Brands Europe Ltd’s option, without charge. This

warranty only covers defects in material or workmanship in

normal residential use and does not cover damage resulting

from negligent handling, misuse or lack of reasonable care.

YOUR ALARM IS NOT A SUBSTITUTE FOR PROPERTY,

DISABILITY OR OTHER INSURANCE OF ANY KIND.

APPROPRIATE COVERAGE IS YOUR RESPONSIBILITY,

CONSULT YOUR INSURANCE AGENT.

This warranty does not affect a customer’s statutory rights in

any way.

In the event of a problem with your alarm or you have any

questions concerning use and care of the product or

concerning service, please consult your owners manual.

If you require further help or clarification, please write:

BRK Brands Europe Ltd

Unit 6, Carter Court

Davy Way

Waterwells Business Park

Quedgeley

Gloucester

GL2 2DE

United Kingdom

www.brkdicon.eu

PLEASE KEEP THIS MANUAL IN A SAFE PLACE

Please note that specifications may be subject to change.

Important:

Please read and retain this owner's manual. When installing

this alarm for use by others, please leave this manual or a

copy with the end user and ensure they are fully conversant

with its siting, operation and maintenance.

BRK Brands Europe Helpline +44 (0)1452 887570

Installation

CO

CO

CO

Warning: This device should remain permanently

installed. It should not be used on an intermittent

basis, nor as a portable detector for the spillage of

combustion products from fuel-burning appliances

or chimneys.

Carbon No alarm Will alarm

Monoxide before before

Concentration

50 ppm 60 minutes 90 minutes

100 ppm 10 minutes 40 minutes

300 ppm – 3 minutes

E LNI

White Blue

Brown

Warning: Wiring should be installed only by a qualified

electrician in accordance with the current

IEE Wiring Regulations for Electrical Installations

(BS7671).

Important: The circuit used to power the alarm must be

a 24 hour voltage circuit that cannot be turned off by a

wall switch. It is recommended that CO alarms be wired

on a separate circuit (ie one with no other lights or

appliances) to ensure maximum reliability of mains power

supply.

Rating

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