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In general, install combination CO and Gas Alarms:
• WHERE YOU CAN HEAR THE ALARM FROM ALL SLEEPING AREAS.
• In or near bedrooms and living areas or wherever you suspect a gas or CO exposure is likely.
• On each level of a multilevel home.
IMPORTANT!
Installation in an improper location can affect the sensitive electronic components in this alarm.
Please review WHERE THIS ALARM SHOULD NOT BE INSTALLED (see Page 3).
Not suitable for installation in hazardous locations as defined in the National Electric Code. This
alarm will detect natural gas primarily and carbon monoxide secondarily. Natural gas events will
always take precedence over carbon monoxide events. The word "gas" will be used to specifically
refer to natural gas.
When on AC power, this alarm is designed to act as a continuous monitor. It is not designed for use
as a short-term testing device to perform a quick check for the presence of CO or gas.
BASIC SAFETY INFORMATION
• This combination Carbon Monoxide and Natural Gas alarm has two separate alarms. This alarm
is not designed to detect fire or any other gas. Carbon monoxide and natural gas may be present
in other areas. The CO and Natural Gas Alarm will only indicate the presence of CO or natural
gas which reaches the sensor. The CO and Natural Gas Alarm is not designed to sense smoke,
heat or flames.
• Do not paint the alarm. Paint may clog the openings to the sensing chambers and prevent the
unit from operating properly.
• Do not stand too close to the unit when the alarm is sounding. It is loud to wake you in an
emergency. Exposure to the horn at close range may harm your hearing.
Make sure the alarm is not receiving excessively noisy power. Examples of noisy power
could be major appliances on the same circuit, power from a generator or solar power, light
dimmer on the same circuit or mounted near fluorescent lighting. Excessively noisy power
may cause damage to your alarm.
Find the pair of self-adhesive labels included with this CO and Gas Alarm.
• On each label, write in the phone number of your emergency responder (such as 911) and a
qualified appliance technician.
• Place one label near the CO and Gas Alarm and the other label in the "fresh air" location you plan
to go to if the alarm sounds.
Page 3
This alarm cannot be operated from power derived from a square wave, modified square wave or
modified sine wave inverter. These types of inverters are sometimes used to supply power in off-grid
installations, such as solar or wind derived power sources. These power sources may produce high
peak voltages which will damage the alarm.
This unit should receive continuous electrical power. (The battery is meant for emergency
backup only.) Choose an outlet where it can't be accidentally unplugged or switched off by
children. Keep small children away from the unit. Teach them not to play with it or unplug it.
Explain what the alarms mean.
Do not plug this alarm into an outlet controlled by a dimmer or switch or ground fault circuit
interrupter.
The test sequence lasts for approximately 8 seconds after the test button is pressed. The alarm will
then test itself for proper operation. The red LED indicator will simultaneously flash in sync with the
horn alarm patterns, for example, 1 beep, 1 second pause, 4 beeps, 5 second pause. When testing
the alarm, have someone else check that the alarm can be heard easily from the sleeping areas.
The unit should be located where it can wake you if it alarms at night.