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Excessive spillage or reverse venting of fuel-burning appliances caused by outdoor ambient
conditions, such as: (1) Wind direction and/or velocity, including high gusts of wind; (2) Heavy
air in the vent pipes with cold/humid air with extended periods between cycles; (3) Negative
pressure differential resulting from the use of exhaust fans; (4) Simultaneous operation of several
fuel-burning appliances competing for limited internal air; (5) Vent pipe connections vibrating
loose from clothes dryers, furnaces or water heaters; (6) Obstructions in or unconventional vent
pipe designs which can amplify the above situations.
These placement recommendations are intended to keep alarms at a reasonable distance
from a fuel-burning source and reduce unwanted/nuisance alarms. Nuisance alarms may
occur if an alarm is placed directly next to a fuel-burning source. Ventilate these areas as
much as possible.
To use the optional Alarm Tamper Resistant Mounting Feature, refer to the next section for
further instructions.
ALARM/BRACKET
LOCKING PIN
1. Be sure to select the proper location for this alarm as described in the placement
instructions. This alarm should be mounted on a UL listed/recognized electrical junction
box either on the ceiling or a wall.
2. To identify the replacement date for this alarm, a label has been placed on the side of the
alarm cover. With permanent marker, write the date of installation in the space provided.
3. Remove the mounting bracket from the back of the alarm by holding the mounting bracket
and twisting the alarm in the direction indicated by the "TWIST TO REMOVE" arrow on the
top of the alarm base.
4. Attach the mounting bracket to the electrical junction box using two screws. Tighten the
screws.
5. Proceed to the instructions for Stand Alone or Interconnected Alarm Installation.
IMPORTANT: Two self-adhesive labels are included with this alarm. On each label write
in the phone number of your emergency responder, for example 911, and a qualified ap-
pliance technician. One label should be placed near where this alarm is installed, and the
other label should be placed in the "fresh air" location you plan to go if the alarm sounds.
OPTIONAL ALARM TAMPER RESISTANT LOCKING FEATURE
This feature will help to deter children and others from removing the alarm from the mounting
bracket. It is not necessary to activate this feature in places where unauthorized alarm
removal is not a concern.
TO INSTALL: The locking pin is molded into the mounting bracket and clearly identified.
Refer to Figure 1. To use the locking feature, followed these 4 steps:
1.
Remove/break off the locking pin located in the mounting bracket (Figure 1)
2.
Attach the mounting bracket to the electrical junction box using two screws. The
screws are not provided with AC hardwired models. Tighten the screws.
3.
Install the alarm on the mounting bracket
4.
Insert the pin into the opening located in the base of the alarm (Figure 2)
TO REMOVE: To remove the alarm after the tamper resistant locking feature has been
engaged; remove the locking pin using long nose pliers. The locking pin is reusable.
MOUNTING INSTRUCTIONS
FIGURE 1
Page 6
INSERT ALARM
LOCKING PIN
HERE
FIGURE 2
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