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GENERAL SAFETY INFORMATION

Intended Use

The CM-16A is a low voltage (12-24V AC or DC) detector of Carbon Monoxide (CO). The CM-16A is designed for connection to 

Fire Alarm/Burglary Control Panels or as a stand alone unit. This carbon monoxide detector is designed to detect CO gas from 

ANY source of combustion. It is NOT designed to detect smoke, fire or any other gas. It is intended for use in ordinary indoor 

locations of family living units and office work spaces. This product is not UL listed.

List of Warnings and Cautions within these User Instructions

Each person using this equipment must read and understand the information in these 

User Instructions

 before use. Use 

of this equipment by untrained or unqualified persons, or use that is not in accordance with these 

User Instructions

, may 

adversely affect product performance and

 result in sickness or death.

 For proper use see 

User Instructions

, or call 3M in 

U.S.A., 1-800-243-4630. In Canada, call Technical Service at 1-800-267-4414. 

Use only for monitoring the gas which the sensor and detector are designed to monitor. Failure to do so may result in 

exposures to gases not detectable and 

cause sickness or death

. For proper use see 

User Instructions

, or call 3M in 

U.S.A., 1-800-243-4630. In Canada, call Technical Service at 1-800-267-4414.

Do not cover or obstruct visual alarm LED. Doing so may adversely affect product performance and 

result in sickness  

or death

.

Do not disassemble unit or attempt to repair or modify any component of this detector. This detector contains no user 

serviceable parts, and substitution of components may adversely affect product performance and 

result in sickness  

or death.

This detector helps monitor for the presence and concentration level of carbon monoxide gas. Misuse may produce 

an inaccurate reading, which means that higher levels of the gas being monitored may be present and could result in 

overexposure and 

cause sickness or death. 

For proper use, see supervisor, 

User Instructions

, or call 3M in U.S.A.,  

1-800-243-4630. In Canada, call Technical Service at 1-800-267-4414.

When the unit is turned on it performs a self-test, which activates the visual alarms. If the self-test fails, or the alarm does 

not activate, do not use. Failure to do so may adversely affect product performance and 

result in sickness or death

.

Immediately exit the environment if it causes an alarm condition on the detector. 

Failure to do so may result in sickness 

or death. 

CM-16A may not function effectively below 40

°

F (4.4°C) or above 100

°

F (37.8°C). Using the detector outside of this 

temperature range may adversely affect product performance and 

result in sickness or death.

This product is intended for use in ordinary indoor locations of family living units and office workspaces. The CM-16A is 

not designed to measure compliance with Occupational Safety and Health Administration (OSHA) commercial or industrial 

standards.
To help avoid false alarms, the CM-16A is not intended for low level detection (below 30 ppm) of carbon monoxide per  

UL 2034.
Individuals with certain medical problems may consider using warning devices that provide audible and visual signals for 

carbon monoxide concentrations below 30 ppm.

The following symptoms are related to CARBON MONOXIDE POISONING and should be discussed with ALL members of the 

household:

Mild exposure: Slight headache, nausea, vomiting, fatigue (often described as “Flu-like” symptoms).

Medium Exposure: Severe throbbing headache, drowsiness, confusion, fast heart rate.

Extreme Exposure: Unconsciousness, convulsions, cardio respiratory failure, and death.

Many cases of reported CARBON MONOXIDE POISONING indicate that while victims are aware they are not well, they become 

so disoriented they are unable to save themselves by either exiting the building or calling for assistance. Young children and 

household pets may be the first affected.
Transient CO situations can occur:

1.  Excessive spillage or reverse venting of fuel burning appliances caused by outdoor ambient conditions, such as:

a)  Wind direction and/or velocity, including high gusts of wind. Heavy air in the vent pipes (cold/humid air with 

extended periods between cycles).

b)  Negative pressure differential resulting from the use of exhaust fans.
c)  Simultaneous operation of several fuel-burning appliances competing for limited internal air.
d)  Vent pipe connections vibrating loose from clothes dryers, furnaces, or water heaters.
e)  Obstruction or unconventional vent pipe designs, which can amplify the above situations.

2.  Extended operation of un-vented fuel burning devices (range, oven, fireplace, etc.).
3.  Temperature inversions, which can trap, exhaust gases near the ground.
4.  Car idling in an open or closed attached garage, or near a home.

CAUTION:

 This detector will only indicate the presence of carbon monoxide gas at the sensor. Carbon monoxide gas may 

be present in other areas. Accommodation spaces should be well ventilated when household cleaning supplies or similar 

contaminants are used.

CAUTION

• 

Avoid the use of harsh cleaning materials, abrasives and other organic solvents. Such materials may permanently 

scratch the surface, damage the sensor, labels, or instrument housing.

• 

If you have any doubts about the applicability of the equipment to your job situation, consult an industrial hygienist or call 

3M at 1-800-243-4630. In Canada, call Technical Service at 1-800-267-4414.

USER INSTRUCTIONS AND LIMITATIONS 

Each person using this equipment must read and understand the information in these 

User Instructions

 before use. Use 

of this equipment by untrained or unqualified persons, or use that is not in accordance with these 

User Instructions

, may 

adversely affect product performance and 

result in sickness or death.

 For proper use, see supervisor, 

User Instructions

, or 

call 3M in U.S.A., 1-800-243-4630. In Canada, call Technical Service at 1-800-267-4414.

W

 WARNING

W

 WARNING

Summary of Contents for Macurco CM-16A

Page 1: ...ser Instructions may adversely affect product performance and result in sickness or death For proper use see User Instructions or call 3M in U S A 1 800 243 4630 In Canada call Technical Service at 1 800 267 4414 Important Keep these User Instructions for reference FOR MORE INFORMATION In United States contact Website www 3M com OccSafety Technical Assistance 1 800 243 4630 For other 3M products 1...

Page 2: ...ot Use For 4 General Description 4 Features 5 Specifications 5 INSTALLATION AND OPERATION INSTRUCTIONS 5 Location 5 Installation 6 Power Up 8 Operation 8 Alarms 8 Reset Silence Switch 9 Trouble Indicator 10 Errors 10 MAINTENANCE 10 Testing 10 Cleaning 11 Sensor Poisons 11 3M GAS DETECTION PRODUCTS WARRANTY 11 TABLE OF CONTENTS ...

Page 3: ...l Safety and Health Administration OSHA commercial or industrial standards To help avoid false alarms the CM 16A is not intended for low level detection below 30 ppm of carbon monoxide per UL 2034 Individuals with certain medical problems may consider using warning devices that provide audible and visual signals for carbon monoxide concentrations below 30 ppm The following symptoms are related to ...

Page 4: ...Monoxide CO The CM 16A is NOT designed to detect smoke fire or any other gas Do NOT mount the unit in the garage Do NOT mount the CM 16A where the normal ambient temperature is below 40 F 4 4 C or exceeds 100 F 37 8 C or within 5 feet 1 5 meters of a cooking or heating appliance The Alarm Control Panel must be dedicated to CO detection or have alarm devices that provide a distinctive alarm for car...

Page 5: ...two screws inside the CM 16A s mount on a two gang old work box or a 4 X 4 electrical box provided by the installer 2 The detector may be installed on either a ceiling or a wall If installed on a peaked gabled or sloped ceiling it should be located about 3 feet from the highest point The unit can be placed vertically or horizontally on a wall so the information on the front of the CM 16A can be re...

Page 6: ...are aware they are not well they become so disoriented they are unable to save themselves by either exiting the building or calling for assistance Young children and household pets may be the first affected Transient CO situations can occur 1 Excessive spillage or reverse venting of fuel burning appliances caused by outdoor ambient conditions such as a Wind direction and or velocity including high...

Page 7: ... CM 16A status indicator light is illuminated GREEN continuously If not do not proceed with the tests Though there is no field calibration procedure for this unit there is an optional field test procedure CLEANING The CM 16A should be cleaned using the soft brush attachment of your vacuum cleaner The CM 16A should be tested after cleaning to ensure the unit is operating normally SENSOR POISONS The...

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