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CARBON MONOXIDE ALARM

MODEL NO: 

SCMA1

Thank you for purchasing a Sealey product. Manufactured to a high standard, this product will, if used according to these 

instructions, and properly maintained, give you years of trouble free performance.

IMPORTANT:

 PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS & CAUTIONS. USE 

THE PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO MAY CAUSE DAMAGE AND/OR 
PERSONAL INJURY AND WILL INVALIDATE THE WARRANTY. KEEP THESE INSTRUCTIONS SAFE FOR FUTURE USE.

1.  SAFETY

1.1.    

WHAT IS CARBON MONOXIDE?

1.1.1.   

Carbon Monoxide (CO) is an insidious poison that is released when fuels are burnt. It is a colourless, odourless, tasteless gas and  

 

therefore very difficult to detect with the human senses. CO kills hundreds of people each year and injures many more. It binds    

 

to haemoglobin in the blood and reduces the amount of oxygen being circulated in the body. In high concentrations CO can  

 

 

kill in minutes. CO is produced by the incomplete combustion of fuels such as wood, charcoal, coal, heating oil, paraffin,  

 

 

petrol, natural gas, propane, butane etc.

1.1.2. 

  

Examples of CO sources:

 

 

Running car engine in a garage, oil and gas furnaces, wood stoves, barbecues, clogged chimneys, wood and gas fireplaces, heating  

 

boiler, gas appliances, portable generators, gas or kerosene heaters.

1.2.    

SYMPTOMS OF CO POISONING 

 

The following symptoms may be related to CO poisoning:

 

 

35ppm  The maximum allowable concentration for continuous exposure for healthy adults in any 8 hour period.

 

 

200ppm  Slight headaches, fatigue, dizziness, nausea after 2-3 hours.

 

 

400ppm  Frontal headaches within 1-2 hours, life threatening after 3 hours. 

 

 

800ppm  Dizziness, nausea and convulsions within 45 minutes, unconsciousness within 2 hours, death within 3 hours. 

 

 

1600ppm Headache, dizziness and nausea within 20 minutes, death within 1 hour.

 

 

6400ppm Headache, dizziness and nausea within 1-2 minutes.

1.3.    

Installing a CO alarm is only the first step towards safer living conditions. Make sure that you and the other members of your  

 

 

household are familiar with the cause and effects of carbon monoxide poisoning and how to operate the CO alarm. 

 

9

   Test your CO alarm once a month.

 

9

   Replace low batteries immediately.

 

9

   Only purchase approved combustion devices.

 

9

   Install combustion devices in the correct way and strictly follow the instructions of the manufacturer.

 

9

   Have any installations carried out by a professional.

 

9

   Have your installations checked by a qualified installer on a regular basis.

 

9

   Have your chimney and any drainage cleaned every year.

 

9

   Regularly check all combustion devices and verify if devices are free of corrosion.

 

9

   Never use a barbecue indoors or in garages.

 

9

   Ensure proper ventilation when using a fireplace or multiburner.

 

9

   Always pay attention to the symptoms of Carbon Monoxide poisoning.

 

9

   This alarm can only be used for residential applications, it is 

NOT

 suitable for use on boats, in vehicles, factories or shopping malls etc.

 

8

   Avoid contact with organic solvents (including silicone and other adhesives), coatings, pharmaceutical, oil and high concentrations of  

  gas. This unit can not be used in environments containing corrosive gas, corrosive gas can damage the unit.

 

8

  

DO NOT

 use where there is strong wind movement. 

 

8

  

DO NOT

 block the alarms air inlet otherwise the unit’s sensitivity will be affected.

 

8

   This unit can not bear excessive shock or vibration.

 

8

   It will take this alarm a long time to return to its initial state after it has been used in high concentrations of gas for a long time.

 

8

   Never open the unit, electrolyte leakage can cause damage.

 

8

   This CO alarm is designed only to sense Carbon Monoxide from any source of combustion. It is

 NOT 

designed to detect smoke, fire   

  and other gases.

 

‰

  

WARNING: 

This device is designed to protect individuals from acute effects of carbon monoxide exposure. It may not fully safeguard  

  individuals with specific medical conditions. If in doubt, consult a medical practitioner.

2.  INTRODUCTION

C

ertified to BS EN50291-1:2010+A1:2012. Memory feature allows the operator to detect if and when the alarm has sounded while there has 

been no-one present. Front LED panel indicates low battery and fault. Powered by three AA batteries (not included). Maximum lifespan five 

years.

3.  SPECIFICATION

MODEL NO: ............................................................. SCMA1

B

atteries (not included) .................................................3x AA

S

CMA1 Issue 2 23/06/2020

Original Language Version

© Jack Sealey Limited

Refer to 

instructions

Summary of Contents for SCMA1

Page 1: ...s of carbon monoxide poisoning and how to operate the CO alarm 9 Test your CO alarm once a month 9 Replace low batteries immediately 9 Only purchase approved combustion devices 9 Install combustion devices in the correct way and strictly follow the instructions of the manufacturer 9 Have any installations carried out by a professional 9 Have your installations checked by a qualified installer on a...

Page 2: ...y or greasy emissions could contaminate or clog the sensor behind curtains or furniture in the path of air discharged from a furnace air conditioning vent or ceiling fan outside the building directly above a sink or cooker WARNING This carbon monoxide alarm is designed for indoor use only DO NOT expose to rain or moisture It will not protect against the risk of carbon monoxide poisoning when the b...

Page 3: ...d in the LCD after the batteries have been installed Though this alarm can self diagnose the amplifying circuit and sensor it is recommended that you test your CO alarm once a month to ensure it is working correctly 7 4 ALARM LOCKING 7 4 1 If the TEST button is pressed again whilst the CO alarm is sounding the alarm will move into LOCKING status and the red LED and the green LED will flash every 1...

Page 4: ...LED will flash as usual during the low battery period and the unit can still alarm as usual NOTE The normal stand by time of battery is 5 years minimum If there is a problem with the battery or low battery signal warning keeps activating for over 30 days replace the battery 7 9 MANUAL ZERO 7 9 1 In normal operation with no CO gas present when the LCD does not show 0 PPM you can press the TEST butt...

Page 5: ...o ventilate the area and allow the carbon monoxide to disperse 7 13 2 Where possible to turn off any fuel burning appliance 7 13 3 Evacuate the building DO NOT re enter the premises or move away from the open door window until emergency services have arrived the premises have been aired out and your alarm has returned to its normal condition 7 13 4 Seek medical help immediately for anyone sufferin...

Page 6: ...l regulations BATTERY REMOVAL SEE SECTION 7 1 Under the Waste Batteries and Accumulators Regulations 2009 Jack Sealey Ltd are required to inform potential purchasers of products containing batteries as defined within these regulations that they are registered with Valpak s registered compliance scheme Jack Sealey Ltd Batteries Producer Registration Number BPRN is BPRN00705 Note It is our policy to...

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