Assessments - 2, GPA: 3.5
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8 B15583/R0/8/6/06 1:54 PM Page 9 NEVER IGNORE THE ALARM. Pre-Alarm: When the alarm detects over 50ppm CO the red 2 seconds. This helps locate CO leaks an indication straight away. (Without this feature the CO level would need to be at 50ppm 90 minutes for an indication to be given). Note the Pre-Alarm signal may be triggered by CO coming for example, from cooking with gas, from car engines or from nearby barbecues. This is usually not a concern, unless the Pre-Alarm signal persists until the alarm sounds and the CO source is unknown. NOTE: The CO Alarm may sound if cigarette smoke is blown into it, or aerosols are released nearby. CO ALARM MEMORY (Ei205EN, Ei205ENA & Ei205CEN only) - Red light is Off – No CO detected since reset or power up. - Red light flashes 2 times (in 2 seconds) every 40 seconds, 50 ppm CO detected for at least about 90 minutes. - Red light flashes 4 times (in 2 seconds) every 40 seconds, 100 ppm CO detected for at least about 40 minutes. - Red light flashes 8 times (in 2 seconds) every 40 seconds, 300 ppm CO detected for at least about 3 minutes. When the test button is pressed the horn will sound, and the red light will only flash if the unit has previously detected CO and been in alarm. The flash rate indicates the level of CO as in Table B. 9 B15583/R0/8/6/06 1:54 PM Page 10 Reset Memory by holding down the test button for over 20 seconds until stops flashing. Cover the horn with a cloth to muffle the alarm during this time. Please note that the memory will also be reset when 4. WHERE TO PLACE CO ALARMS 4.1 Ideally a Carbon Monoxide Alarm should be installed in: - Every room containing a fuel burning appliance, and - Remote rooms where occupants spend a amount of time - Every bedroom. However if the number of Carbon Monoxide Alarms is limited, the following points should be considered when deciding where best to fit s) - If there is an appliance in a room where people sleep, place a CO Alarm in this room and - Locate a CO alarm in a room containing a flueless or open-flued appliance, and - Locate an alarm in a room where the occupant(s) spend most of their time (e.g. sitting room) and - In a bedsit, the CO alarm should be placed as far away from the cooking appliance as possible, but near to where the person sleeps and - If the appliance is in a room not normally used, such as a boiler room, the CO alarm should be placed just outside the room so that the alarm will be heard more easily. 10 B15583/R0/8/6/06 1:54 PM Page 11 4.2 Unsuitable Locations Do not place the CO in any of the following areas. (1) In the immediate vicinity it at least 1 metre horizontally from it). (2) Outside the building. (3) In an enclosed space (e.g. in or below a cupboard). (4) In a damp or humid area. (5) Directly above a sink or cooker. (6) Next to a door, window, air vent or anywhere that it would be affected by draughts. (7) Next to an extractor fan. (8) Where it would be obstructed, e.g. by curtains or furniture. (9) In an area where the temperature could drop below –10°C or rise above 40°C. (10) Where dirt or dust could block the sensor. (11) Where it could be easily knocked or damaged, or where it could be accidentally turned off or removed. (12) In a bathroom or other areas where the CO alarm may be exposed to water splashes, dripping or condensation (e.g. above an electric kettle). (13) Near paint, thinners, solvent fumes or air fresheners. 11 B15583/R0/8/6/06 1:54 PM Page 12 4.31 If locating the CO with a fuel appliance (see figure 2) • If it is mounted on a it should be located than the height any door or window but still be at least 150mm • If it is mounted on the ceiling wall or light fitting. • The CO alarm should be a horizontal distance of between 1m and 3m from the potential CO source. • If there is a partition in the room, the CO alarm should be located on the same side of the partition as the potential source. • In rooms with sloped ceilings, the CO alarm should be located at the high side of the room (see fig 3). 4.32 If locating the CO alarm in a bedroom or in rooms remote from a fuel burning appliance (see figure 4) • Mount the CO alarm relatively close to the breathing zone of the occupants. Whatever position is chosen make sure it is possible to view the three light indicators, when in the vicinity of the alarm. 12 B15583/R0/8/6/06 1:54 PM Page 13 300mm CO Alarm 150mm DEAD AIR DON'T LOCATE HERE 1 to 3 m 1 to 3 m Figure 2. Location in room with a fuel burning appliance 13 B15583/R0/8/6/06 1:54 PM Page 14 CO Alarm about 1 to 2m 300mm CO Alarm Figure 3. Location in rooms with Figure 4. Location in bedrooms & sloped ceilings, the CO alarm should other rooms remote from the be located at the high side of the room appliance (i.e. at breathing level) 14 B15583/R0/8/6/06 1:54 PM Page 15 5. INSTALLATION WARNING: Do not use the CO Alarm on an intermittent basis, or as a portable detector for the spillage of combustion products from fuel burning appliances or chimneys. 5.1 INSTALLATION PROCEDU...
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