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UTC Fire & Security Americas Corporation Inc 929A-CO User Manual

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• 
Do not install near ceiling fans, doors, windows, or areas 
directly exposed to the weather. 
• 
Do not install in dead air spaces, such as peaks of vaulted 
ceilings or gabled roofs, where CO may not reach the sensor 
in time to provide early warning. 
• 
Do not install near deep-cell large batteries. Large batteries 
have emissions that can cause the alarm to perform at less 
than optimum performance. 
• 
Do not obstruct the vents located on the alarm. Do not place 
the alarm where drapes, furniture, or other objects block the 
flow of air to the vents. 
Battery installation and replacement 
Note: 
Place the control panel into sensor test mode prior to 
replacing the batteries. If the control panel is not in sensor test 
mode during battery replacement, an alarm/tamper condition 
may be indicated. 
To install or replace the batteries in this alarm: 
1.  Slide the alarm body off of the mounting plate. 
2.  If replacing batteries, remove the old batteries and properly 
dispose of them as recommended by the battery 
manufacturer. 
3.  Install the new batteries. Note the polarity illustration in the 
battery compartment (see Figure 3 below). 
Figure 3: Batteries 
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Battery compartment
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4.  Slide the alarm body back onto the mounting plate. 
Note:
 The mounting plate will not close if all three batteries 
are not installed. 
Figure 4: Sliding the alarm on the mounting plate 
Alarm mounting guide
Alarm mounting guide
 
5.  Perform a sensor/RF test with the control panel. See “RF 
When replacing the batteries, use one of the following approved 
brands: 
• 
Duracell MN1500 or MX1500 
• Energizer 
E91 
Use of a different battery may have a detrimental effect on the 
alarm operation. 
Note: 
Constant exposures to high or low humidity may reduce 
battery life. 
After installing or changing the batteries, reinstall your alarm. Test 
your alarm by using the Test/Hush button and check that the 
green Power LED is on. 
Mounting the alarm 
Note: 
Verify RF performance prior to permanently mounting the 
The CO alarm can be wall mounted or ceiling mounted. 
To mount the alarm: 
1.  Slide the alarm body off of the mounting plate. Place the 
mounting plate in the desired location, and mark the location 
of the two mounting holes. Orient the mounting plate 
vertically or horizontally as shown in the following figures. 
Note:
 The alarm can also be directly mounted to a single 
gang box. 
Figure 5: Vertical mounting 
Mounting hole
Mounting latch
Alarm
procedure
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Mounting hole
 
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P/N 466-2393 • REV 00.15 • ISS 07DEC10 
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