Costar 12SIR - Manual (Page 2)

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If bedroom doors are usually closed at night, alarms should be
placed in each bedroom as well as in the common hallway between
them. CO alarms may not sense CO on a different level of a resi-
dence or building. For example, a second floor alarm may not sense
a CO leak on the first floor or in the basement.
Therefore, alarms should be placed on every level of a residence
or building. If the alarm is located outside of a bedroom, it may not
wake up a sound sleeper, especially if the bedroom door is closed or
only partly open. If the alarm is located on a different level of the
residence than the bedrooms, it is even less likely to wake up people
sleeping in the bedroom. Installing CO alarms may qualify you for
lower homeowner’s insurance rates, but CO alarms are not a substi-
tute for insurance. Homeowners and renters should continue to
insure their lives and property.
WARNING: The COSTAR® Model 12SIR CO Alarm is not
designed for marine, RV, or aeronautical use.
NOTE: This unit contains no batteries and will not operate with-
out power.
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8.1RECOMMENDATIONS
One of the most important considerations in any CO alarm sys-
tem is the location of the alarms. Statistics of the National Fire
Protection Association (NFPA) show that most of the fatal CO
occurrences happen at night while people are sleeping. Early warn-
ing of CO is best achieved by the correct installation of CO alarms.
Placement of an alarm in a garage may cause an alarm due to CO
from automotive exhaust.
8.2RECOMMENDED MOUNTING LOCATIONS
Put a CO alarm inside each bedroom where the occupant closes
the door while sleeping. A closed door can block particulate smoke,
but CO gas is likely to get through.
Figure 1: Recommended CO alarm
placement for single floor residence.
Figure 2: Recommended CO
alarm placement for multi-level
residence.
8.3 This CO alarm must be mounted on the wall or ceiling.
8.4 WALL LOCATION: Locate top of the alarm 5 - 6 feet from the
floor.
Figure 3: Recommended CO alarm mounting location is 5 to 6 feet
from floor.
8.5 CEILING LOCATION:
Alarm should be mounted as close as possible to the center of a
hallway or room. If this is not possible, the edge of the alarm
should be at least 4 inches from any wall.
8.6 LOCATIONS TO AVOID
Placing units where they will not operate properly causes nui-
sance alarms.To avoid nuisance alarms, do not place units:
– Within 5 feet (1.5m) of any cooking appliance or furnace.
– Near an open window or door, because the fresh air entering
the opening may delay CO from reaching the alarm.
– In damp or very humid areas or next to bathrooms with show-
ers. Install detectors at least 10 feet (3 meters) away from bath-
rooms.
– In very cold or very hot environments or in unheated buildings or
outdoor rooms where the temperature can go below or above the
operating range of the alarm. Temperature limits for proper opera-
tion are 4.4° C to 37.8° C (40° F to 100° F).
– Good ventilation is recommended when household cleaning
supplies or similar contaminants are stored or frequently used.
8.7 CONDITIONS WHICH CAN RESULT IN TEMPORARY CO SIT-
UATIONS:
8.7.1Excessive spillage or reverse venting of fuel burning appliances
caused by outdoor ambient conditions, such as:
i) Wind direction and/or velocity, including high gusts of wind.
Heavy air in the vent pipes (cold/humid air with extended periods
between cycles).
ii) Negative pressure differential resulting from the use of exhaust
fans.
iii) Simultaneous operation of several fuel burning appliances
competing for limited internal air.
iv) Vent pipe connections vibrating loose from clothes dryers, fur-
naces, or water heaters.
v) Obstructions in or unconventional vent pipe designs which can
amplify the above situations.
8.7.2Extended operation of unvented fuel burning devices (range,
oven, fireplace, etc.)
8.7.3Temperature inversions, which can trap exhaust gasses near
the ground.
8.7.4Car idling in an open or closed area garage, or near a home.
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9.1 Select proper location
9.2 A mounting plate is provided on the back of the alarm. Remove
the mounting plate from the back of the alarm by holding the
mounting plate and twisting the alarm in the direction indicated by
the “OFF” arrow on the alarm cover.
9.3 To insure aesthetic alignment of the alarm with the hallway or
wall, the UP ARROW on the mounting plate must be :
A.)Parallel with the hallway walls when ceiling mounting
B.)Pointed upward when wall mounting
9.4 Attach the mounting plate on the wall. Be sure the UP text and
arrow are facing up. Use the screws and anchors provided to
secure the mounting plate.
9.5 WIRING INSTALLATION
Internal terminal block for 14-22 AWG wires. 8 screw terminals at
0.2” (5 mm) spacing.
9.5.1Drill hole in wall or ceiling at center of plate, and pull system
wires through the hole.
9.5.2Remove alarm cover by using the special tool provided on the
three locking tabs on the alarm base. (see figure 4)
Figure 4
9.5.3Pull wires through hole at center of alarm base and connect to
the internal terminal block as shown on the following wiring dia-
grams. (see figure 5)
Figure 5
NOTE:The form ‘C’ relay contacts may be wired either N.O. or N.C.
according to system panel requirements. These alarms are not
designed to drive auxiliary devices
9.5.4The 12SIR alarms do not include power supervision. This may
be accomplished by installing a power supervision relay at the
end of the alarm power circuit (see Figure 6 ). There is no inter-
nal backup battery.
9.6 After installing the mounting plate, place the alarm on the mount-
ing plate. Twist the alarm in the direction indicated by the “ON”
arrow on the alarm cover until it locks in place.
Family Room
Bedroom
Living Room
Kitchen Dining Room Bedroom
Bedroom
= Carbon Monoxide alarm location
= Carbon Monoxide alarm
location for multi-level residence
Bedroom
Bedroom Bedroom
Garage
Kitchen
Living Room
Basement
= Carbon Monoxide alarm mounting location
Inside wall location
Height 5' - 6' from floor