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1. Information About Carbon Monoxide

• Vehicles and other combustion engines running in an open or 

closed garage, attached or near a home.

• Burning charcoal or fuel in grills and barbecues in an enclosed area.

Conditions That Can Produce Carbon Monoxide

The following conditions can result in transient CO situations: 

• Excessive spillage or reverse venting of fuel-burning appliances 

caused by outdoor ambient conditions, such as, wind direction and/
or velocity, including high gusts of wind, heavy air in the vent pipes 
(cold/humid air with extended periods between cycles).

• Negative pressure resulting from the use of exhaust fans.

• Simultaneous operation of several fuel-burning appliances competing 

for limited internal air.

• Vent pipe connections vibrating loose from clothes dryers, furnaces, 

or water heaters.

• Obstructions in, or unconventional, vent pipe designs which can 

amplify the above situations.

• Extended operation of unvented fuel-burning devices (range, oven, 

fireplace, etc.).

• Temperature inversions which can trap exhaust gases near the 

ground.

• Vehicle idling in an open or closed garage, or near a home.

Caravans and Boats

The following can lead to carbon monoxide being produced;

•  Using LPG cooking appliances for space heating

•  Leaving LPG appliances on overnight

•  Barbecue’s within the boat cabin or near a caravan door (e.g. under 

an awning)

To be safe, know the possible sources of CO in your home. Keep fuel-
burning appliances and their chimneys and vents in good working 
condition. Learn the early symptoms of exposure, and if you suspect 
CO poisoning, move outside to fresh air and get emergency help. Your 
first line of defense is an annual inspection and regular maintenance of 
your appliances. Contact a licensed contractor or call your local utility 
company for assistance. 

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Summary of Contents for 8LLCO

Page 1: ...d for future reference and passed on to any subsequent owner Carbon Monoxide Alarm User s Guide Models 8LLCO and 8LLDCO with digital display Model 8LLCO Model 8LLDCO with Digital Display EN 50291 1 20...

Page 2: ...ocal Gas Safe Registered Engineer Never restart the source of a CO problem until it has been corrected Never ignore the sound of the alarm If the alarm is sounding pressing the test reset button will...

Page 3: ...ecause your sense of sight smell hearing and touch give you information you can almost instantly judge what action to take if you hear your smoke alarm CO is an invisible odourless tasteless and non i...

Page 4: ...onditions If in doubt consult a medical practitioner Individuals with medical problems may consider using warning devices which provide audible and visual signals for carbon mon oxide concentrations u...

Page 5: ...re they are not well they become so disoriented they are unable to save themselves by either exiting the building or calling for assistance Also young children and household pets may be the first affe...

Page 6: ...nate the source of CO See What to do When the Alarm Sounds inside front cover IMPORTANT Model 8LLCO does not have a digital display and does not display carbon monoxide levels in PPM If the alarm soun...

Page 7: ...vent pipe designs which can amplify the above situations Extended operation of unvented fuel burning devices range oven fireplace etc Temperature inversions which can trap exhaust gases near the grou...

Page 8: ...imitations Like any other electronic device CO alarms are not fool proof CO alarms have a limited operational life You must test your CO alarm weekly because it could fail to operate at any time If yo...

Page 9: ...every 30 seconds to indicate that it is time to replace the alarm Replace the alarm immediately It will not detect CO in this condition To help identify the date to replace the alarm a label has been...

Page 10: ...ocations DINING KITCHEN BEDROOM BEDROOM BEDROOM LIVING ROOM Recommended Locations Temperature Operating Range 0 to 40 C Humidity Operating range Up to 90 non condensing Audible Alarm 85 dB at 1 metre...

Page 11: ...alarm Do not place the alarm where drapes furniture or other objects block the flow of air to the vents 3 Installation Locations CAUTION THIS UNIT IS SEALED INCLUDING THE BATTERY THE COVER IS NOT REMO...

Page 12: ...d Your CO alarm may also be placed on a tabletop If alarm is not wall mounted then be sure the alarm is no more than one metre from the floor to minimize the risk of causing permanent damage to the al...

Page 13: ...or alarm using a screwdriver slide the switch on the back of the unit up to the shut down position Unit will not respond to CO Normal Test Reset function Red LED flashes with beeps 4 quick beeps 5 se...

Page 14: ...ber Red LED flashes every 60 seconds One quick beep every 60 seconds Batteries need to be replaced If unit is cold allow to warm up above 20 C If the unit is at room tem perature and is beeping flashi...

Page 15: ...ations of CO between 1 and 30 PPM can often occur in normal everyday conditions Concentrations of CO below 30 PPM may be an indication of a transient condition that may appear today and never reappear...

Page 16: ...nently damage or temporarily contaminate the sensor Avoid spraying air fresheners hair spray paint or other aerosols near the alarm Do not paint the unit Paint will seal the vents and interfere with p...

Page 17: ...end of life or error mode it is neces sary to turn the unit off This stops it from making a sound and also discharges the remaining capacity of the battery to render it safe 1 Remove the bracket back...

Page 18: ...ny kind resulting from gas leakage fire or explosion This warranty does not affect your statutory rights Warranty Performance During the above warranty period your product will be replaced with a comp...

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