OWNER`S MANUAL
8505
9 Volt Battery Powered Commercial CO Monitor
OWNER’S MANUAL
IMPORTANT!
READ ALL INSTRUCTIONS BEFORE INSTALLATION AND
SAVE THIS MANUAL FOR FUTURE REFERENCE
CAUTION!
THIS MONITOR WILL ONLY INDICATE THE PRESENCE OF
CARBON MONOXIDE GAS AT THE SENSOR. CARBON MONOXIDE GAS MAY BE
PRESENT IN OTHER AREAS. THIS CARBON MONOXIDE MONITOR IS DESIGNED
TO DETECT CARBON MONOXIDE GAS FROM ANY SOURCE OF COMBUSTION.
IT IS NOT DESIGNED TO DETECT SMOKE, FIRE OR ANY OTHER GAS.
TABLE OF CONTENTS
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2….
3….
4….
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6….
7….
8….
9….
10….
11….
INFORMATION ABOUT CARBON MONOXIDE
CO MONITOR FEATURES & SPECIFICATIONS
RECOMMENDED LOCATIONS OF CO MONITORS
LOCATIONS TO AVOID
INSTALLATION INSTRUCTIONS
OPERATION AND TESTING
WARNING
MAINTENANCE
LIMITATIONS OF CARBON MONOXIDE MONITORS
GOOD SAFETY HABITS / WHAT TO DO WHEN THE MONITOR SOUNDS
SERVICE AND WARRANTY
WARNING!
A DISCONNECTED OR LOW VOLTAGE BATTERY WILL RENDER
THIS UNIT INOPERATIVE.
Do not try to repair this CO monitor yourself. Refer to the instructions in
SECTION 11 for service.
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1. INFORMATION ABOUT CARBON MONOXIDE
WHAT IS CARBON MONOXIDE?
Carbon monoxide (CO) is a highly toxic, invisible, odorless, tasteless gas.
HOW IS CO GENERATED?
Carbon monoxide is a byproduct of the incomplete combustion of fuel. Faulty
ventilation of furnaces, boilers, water heaters, kitchen appliances, and space heaters
are a major of cause of high CO levels in a building. Automobile, forklift and small
engine exhaust are another potential source of CO.
HOW DOES CO POISON PEOPLE?
The human body depends on oxygen for the burning of fuel (food) to provide us
with the energy that allows our cells to live and function. Oxygen makes up
approximately 21% of the atmosphere and enters our lungs when we breathe. In our
lungs the oxygen combines with the hemoglobin in the blood (oxyhemoglobin) and is
carried in the blood stream throughout the body where it releases oxygen to the cells.
Carbon monoxide is dangerous because it bonds more tightly to the hemoglobin
(carboxyhemoglobin, COHb) than oxygen does. When CO combines with hemoglobin,
the hemoglobin's ability to combine with oxygen is lost. As the COHb concentration
rises, people become nauseous, unconscious and ultimately die (see below).
WHAT ARE THE SYMPTOMS OF CARBON MONOXIDE POISONING?
Many people often confuse carbon monoxide poisoning with the flu; the initial
symptoms being very similar. Different concentrations of CO over various lengths of
time cause different symptoms.
Many cases of carbon monoxide poisoning indicate that while the victims were
aware that they were not well, they were too disoriented to save themselves by either
calling for assistance or exiting the building. Also, due to size, small children and pets
are generally the first affected.
The following are the symptoms related to CARBON MONOXIDE POISONING.
Discuss them with all persons that may be affected.
MILD EXPOSURE:
MEDIUM EXPOSURE:
EXTREME EXPOSURE:
Headaches, running nose, sore eyes, often described
as “flu”-like symptoms.
Dizziness, drowsiness, vomiting.
Unconsciousness, brain damage, death
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2. CO MONITOR FEATURES
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Complies with OSHA and NIOSH Exposure Limits
Alpha Numeric LCD Readout with “Smart” Back Light
Continuous Display of Current CO Levels of 10 PPM or more
Records and Displays Peak CO Level with Duration and When Occurred
Calculates and Displays 8-Hour Time-Weighted Average (TWA) Concentration
Accurate and Reliable Electrochemical Sensor
Self Diagnostic Circuitry and Sensor Life Monitor
Audible and Visual Alarm Signals
9VDC Battery Powered with Low Battery Signal
One Year Limited Factory Warranty
Smart
Backlight
CO value
in PPM
Alpha Numeric
LCD Display
Alpha Numeric LCD Display
Power Indicator
A
Alarm Indicator
B
C
D
E
F
G
H
POWER
CO LEVEL (PPM)
ALARM
TEST
RESET
MUTE
COMMERCIAL
CARBON MONOXIDE
MONITOR
Test/Reset/Mute
Button
Display Memory
Button
DISPLAY
MEMORY
Style White
Housing
Loud Piercing
Alarm
Electrochemical
Sensor
Battery Compartment in Back
3
A.
Highest CO level detected
B.
Average CO level detected for previous 8 hours
C.
Duration of Peak CO in Hr. and Min.
D.
How long ago Peak detected, in Day, Hr, and Min.
E.
For how long or how long ago event occurred
F.
Low Battery Voltage icon
G.
Muted Alarm icon
H1.
3-digit display for CO level and event timing
H2.
Monitor malfunction signal. Service required
H3.
End of sensor life signal. Replace monitor
H4.
Monitor’s memory has been cleared
SPECIFICATIONS
- Commercial carbon monoxide monitor
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Battery powered: 9VDC
Sensor type: electrochemical
Display: continual LCD readout of CO levels detected from 10-500ppm
Sample frequency: every 5 seconds
Display resolution: 1ppm
Accuracy: +/-5% or 5ppm, whichever is greater*
Peak Level Memory: records actual peak CO level detected, duration, and when occurred
Memory history: prior seven days
Time-Weighted Average (TWA): calculates average CO concentration for prior 8 hours
Display backlight: automatic for alarm, manual for memory and testing functions
REL alarm level: 30ppm ≤ 7 hrs TWA
PEL alarm level: 45ppm ≤ 6 hrs TWA
Acute alarm level: 95ppm ≤ 1 hr TWA
Ceiling alarm level: 190ppm @ 15 seconds
Power on: flashing green LED
Visual alarm signal: flashing Red LED
Audible alarm signal: 85dB at 10 feet
Mute button: silences audible signal for up to 5 minutes, green LED blinks once/min
Malfunction signal: displays "Err", red LED blinks twice/min, two chirps/min
Sensor expiration signal: displays "End", red LED blinks once/min, one chirp/min
Low battery signal: low battery icon, green LED blinks once/min, one chirp/min
Test functions: self diagnostic circuitry and manual test button
Storage temperature: 30°F to 120°F
Operating temperature: 40°F to 100°F
Operating Humidity: 10% ~ 90% RH
Unit weight w/battery: 8 oz
Unit dimensions: 5-9/16"h x 3-7/16"w x 1-5/16"d
Color: White
Life expectancy: 2 years
Warranty: One year limited factory warranty
* The accuracy of the display is an estimate for the first year only. The accuracy may also be affected by
environmental conditions and other circumstances beyond manufacturer's control.
This fixed CO monitor is designed to activate audible and visual alarm signals before
the immediate area reaches the Recommended (REL) and Permissible (PEL) Time
Weighted Average (TWA) carbon monoxide Exposure Limits established by the
National Institute for Occupational Safety and Health (NIOSH) and Occupational
Safety and Health Administration (OSHA), respectively. Workers who are known to
be at high risk to CO exposure should also wear personal gas monitors.
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3. RECOMMENDED LOCATION OF CO MONITORS:
CO poisoning can happen anywhere in a building. At the minimum, CO monitors
should be located on every level of the building, near the persons who may be
potentially affected by CO poisoning, and where they can hear any alarm.
More than one CO monitor may be required within different areas of the building.
A space which contains fuel burning equipment, and areas and rooms adjacent to this
space or any parking garage, should also have a CO monitor installed.
If the monitor is installed in a hallway and any doors are kept closed, install a CO
monitor in each of these rooms. If the monitor is installed in a large open area, one
monitor should be installed for every 1000 square feet of vertically unobstructed space.
Mount CO monitors on the wall at eye level, or 5 feet from the floor.
DO NOT install unit within 5 feet of combustion equipment.
DO NOT install unit on any outside wall, or near any exterior door or window.
Conditions which can result in CO production or exposure:
1) Excessive 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) Several fuel burning appliances competing for limited internal air.
iv) Vent pipe connections vibrating loose from furnaces, boilers or water heaters.
v) Obstructions or unconventional vent designs which amplify the above situations.
vi) Poorly designed or maintained chimneys and/or vents.
2) Extended operation of unvented fuel burning devices.
3) Temperature inversions which can trap exhaust gases near the ground.
4) Truck, car or forklift operating or idling in an open or closed attached garage or
warehouse, or near a building.
CAUTION!
CO detection is best achieved by installing monitors in all rooms and
areas of the building.
4.
WARNING! LOCATIONS TO AVOID:
NEAR A KITCHEN: CO may be generated in the cooking process and cause nuisance
alarms. Also, cooking grease can build up on the monitor and cause monitor failure.
CLOSE TO A FURNACE, BOILER, SPACE HEATER, OR WATER HEATER: These
devices often spill out CO when they first turn on.
IN DUSTY AREAS: Dust can build up on the monitor and cause failure to alarm.
IN CLEANING SUPPLY ROOMS: Painting supplies and chemicals used in cleaning can
cause nuisance alarms.
IN VERY HOT OR COLD AREAS: Do not install the monitor in unconditioned spaces or
areas which are below 40oF (4.4°C) or above 100oF (37.8°C).
IN HAZARDOUS LOCATIONS: This monitor is not suitable for installation in a
hazardous location, as defined in the National Electrical Code.
NEAR WIRELESS DEVICES:
Do not install the monitor within 1 foot of wireless
devices. Radio Frequencies (RF) may interfere with the CO monitor’s proper operation.
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5. INSTALLATION INSTRUCTIONS:
NOTE: REVIEW SECTION 3, RECOMMENDED LOCATIONS OF CO MONITOR AND
SECTION 4, LOCATIONS TO AVOID, PRIOR TO INSTALLING YOUR CO MONITOR.
The proper power for the 8505 commercial CO monitor is a 9V battery.
Constant exposure to high or low humidity may reduce battery life.
BATTERY INSTALLATION AND REPLACEMENT:
Slide down and remove battery door, and attach a new 9 Volt battery to battery cable.
Battery must snap firmly onto both connectors. Use Duracell MN1604 alkaline or Ultralife
U9VLJ lithium battery only. Do not use rechargeable battery or any other type of battery.
Place the battery in the battery compartment, and slide the battery door upward and over
the compartment until the door latches firmly in place.
Press the TEST/RESET/MUTE button to verify activation. (See TESTING in section 6)
MOUNTING INSTRUCTIONS:
After selecting the proper location as described in SECTION 3, drive one screw into
the wall at eye level and an optional second screw 3⅛ inches directly below it.
Leave the screw-heads about ¼ inches from the wall.
Hang monitor onto the top screw-head and gently pull down to secure. Slide bottom
of monitor from right to left until it seats firmly onto the lower screw, if installed.
After installation, TEST your CO monitor by pressing the TEST/RESET/MUTE button for two
seconds. Complete instructions regarding testing are outlined in SECTION 6.
6. OPERATION, TESTING:
OPERATION:
The CO monitor is operational once a battery is installed and testing is complete. The
green LED will blink once per minute.
SERVICE CONDITION:
The internal microcontroller continuously monitors the sensor and other critical
components. If an internal failure of any of these components should occur, the CO
monitor will double chirp once per minute, the red LED will blink twice per minute, and
“Err” will appear on the LCD display. The trouble condition indicates a problem with the
unit, and it will not alarm if exposed to CO. See SECTION 11 for service information.
SENSOR LIFE MONITOR:
The electrochemical sensor has a life expectancy of 2 years, however, the monitor’s CO
readings will decrease in accuracy after the first year. A microcontroller counts the total
time that the CO monitor is under power. After 2 years, the “Sensor End-of-Life” signal
will activate, indicating that the sensor life has expired. The CO monitor will chirp once
per minute, the red LED will blink once per minute, and “End” will appear on the LCD
display. When the sensor life expires, the monitor may still work for a period of time, but
it may not alarm when exposed to CO. It is recommended that you replace the monitor
annually, but, once the sensor life expires, you must replace the monitor immediately.
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LOW BATTERY CONDITION:
When the battery voltage drops below an acceptable level, the monitor will chirp once
per minute, the green LED will blink once per minute, and the low battery voltage icon
will appear on the LCD display. Replace the battery immediately in order to provide
uninterrupted protection. Please see SECTION 5 for information regarding battery
replacement.
ALARM CONDITION:
When CO gas is detected at a level and duration specified in SECTION 2, the monitor
will alarm and the red LED will flash. The monitor will sound 4 short beeps every 5
seconds for 5 minutes, and thereafter 4 short beeps every minute until the
TEST/RESET/MUTE button is pressed and the CO level detected drops below 20ppm.
DISPLAY PEAK CO EXPOSURE RECORD:
To display the highest CO level detected, press the DISPLAY MEMORY button for 2
seconds. The LCD will display the recorded data in the following order:
1. The highest CO level detected; displays PEAK and ppm,
2. The duration of peak exposure; displays PEAK , FOR , and number of Hr , and Min ,
3. How long ago the peak level occurred; displays PEAK , WHEN , and number of Day , Hr ,
and Min
4. The average CO exposure over the previous 8 hours; displays TWA and ppm
The monitor maintains the 7 most recent days of peak CO level history, and the most
recent TWA value. To manually erase the record, press TEST/RESET/MUTE button once
while the peak CO level is being displayed. The monitor will sound one short beep and
“CLr” will appear on the LCD display. Disconnecting the battery will not erase memory.
TESTING:
To test your monitor, press the TEST/RESET/MUTE button for 2 seconds. The red LED
will flash and the monitor's horn will beep 4 times, remain silent 5 seconds, then beep 4
times again if horn and electronic circuitry are working properly. The current CO level
detected will be displayed. If the unit is already in the “service” condition, the monitor
will double beep and display “Err”, and must be serviced immediately.
LCD DISPLAY FUNCTION:
In normal operation, the LCD screen will display the current CO level detected, and
update the detected value every 5 seconds. The number 0ppm will be displayed if less
than 10ppm CO is detected. The LCD will display the CO level detected up to 500ppm.
Above 500ppm, the LCD will flash “500ppm”. The display accuracy may be affected by
environmental conditions and other circumstances beyond manufacturer's control.
LCD BACKLIGHT FUNCTION:
In normal operation, the LCD backlight is turned off to preserve battery life. The
backlight will automatically turn on for 5 minutes when alarm is activated. The backlight
will also turn on when the TEST/RESET/MUTE button is pressed to test the monitor, or the
DISPLAY MEMORY button is pressed to read the peak CO level and TWA record. The
backlight will automatically turn off when the TEST or DISPLAY MEMORY functions are
completed.
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DO NOT TRY TO TEST THIS CO MONITOR IN ANY OTHER WAY.
If no alarm sounds during a test, check battery power. If monitor still does not sound,
the unit may be malfunctioning and should be returned for service (SEE SECTION 11).
TEST THE CO MONITOR WEEKLY TO ENSURE PROPER OPERATION.
Erratic or low sound coming from your CO monitor may indicate a malfunctioning unit,
and it should be returned for service (SEE SECTION 11).
RESET/MUTE:
Once the CO monitor activates an alarm, it will not automatically reset itself. You can
temporarily silence the monitor by pressing the TEST/RESET/MUTE button once. The
muted alarm icon will be displayed, the green LED will blink once per minute, and the
current CO level will be displayed. If the monitor continues to detect CO levels of 20
ppm or more, the alarm signals will reactivate automatically within 5 minutes if below
190 ppm, or within 15 seconds if 190 ppm or more. If CO levels drop below 20 ppm, the
alarm will not reactivate.
7. WARNING:
Carbon monoxide monitors respond to the presence of CO. They do not detect
smoke.
IF YOU HAVE BEEN AWAY FROM THE BUILDING AND RETURN TO FIND
THE ALARM(S) SOUNDING, DO NOT ENTER THE BUILDING. CALL THE FIRE
DEPARTMENT FROM ANOTHER LOCATION. DO NOT RE-ENTER THE BUILDING
FOR ANY REASON UNTIL YOU HAVE BEEN ASSURED THAT IT IS SAFE TO DO
SO.
8. MAINTENANCE:
CLEANING YOUR MONITOR
You can clean your CO monitor by using a vacuum cleaner brush to vacuum
around the openings on the CO monitor. The outside of the CO monitor can be wiped
with a soft cloth slightly dampened with water only. AFTER CLEANING, TEST YOUR
CO MONITOR TO MAKE SURE THAT IT IS WORKING PROPERLY.
9. LIMITATIONS OF CARBON MONOXIDE MONITORS
Carbon monoxide monitors are devices that can provide an early warning of the
presence of CO gas at a reasonable cost. However, monitors have sensing limitations
and may not always sound a warning in the presence of CO. The monitor will not
operate if the battery power is low or dead. CO monitors must be tested regularly to
ensure that they are receiving power and operating properly. Carbon monoxide
monitors cannot sense CO that does not reach the monitor, and therefore CO monitors
may not detect CO which is in another area of the building. Furthermore, if the CO
monitor is located on a different level of the building or on the other side of a closed
door, it may not alert everyone at risk. The use of drugs and alcohol may impair ones
ability to hear the alarm. If you have a multi-level building, install CO monitors on each
level. If the monitor is installed in a hallway and any doors are kept closed, install a CO
monitor in each room. If the monitor is installed in a large open area, one monitor
should be installed for every 1000 square feet of vertically unobstructed space.
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Although CO monitors can help save lives by providing an early warning to the
presence of carbon monoxide, they are not a substitute for an insurance policy. Owners
and renters should have adequate insurance to protect their lives and property.
10. GOOD SAFETY HABITS:
DEVELOP AND PRACTICE A PLAN OF ESCAPE:
Make a floor plan indicating all doors and windows and at least two (2) escape routes
from each room. Second story and higher windows may need a fire escape built to local
code.
Have a meeting to discuss your escape plan, and show everyone what to do in case an
alarm sounds.
Determine a place outside the building where you can all meet if an alarm occurs.
Familiarize everyone with the sound of the Alarm and train them to leave the building
when they hear it.
Practice a CO and fire drill at least once every six months. Practice allows you to test
your plan before an emergency. You may not be able to reach everyone. It is important
they know what to do.
WHAT TO DO WHEN THE ALARM SOUNDS:
If alarm signal sounds (the red LED will flash and the alarm will sound 4 short
beeps every 5 seconds):
1) Operate TEST/RESET/MUTE button to temporarily silence alarm;
2) Immediately move to fresh air - outdoors or by an open door or window.
Check that all persons are accounted for. Do not re-enter the premises or
move away from the open door/window until the premises have been aired
out, and your monitor remains in its normal condition;
3) After following steps 1 and 2, if the alarm reactivates within a 24 hour period,
repeat steps 1 and 2 and call a qualified appliance technician, if you have not
already. Fuel burning equipment, appliances and vehicles must be inspected
for proper operation, and the source of CO must be investigated. If problems
are identified during this inspection, have the equipment serviced
immediately. Note any combustion equipment not inspected by the technician,
and consult the manufacturers' instructions, or contact the manufacturers
directly, for more information about CO safety and this equipment. Make sure
that motor vehicles or forklifts are not, and have not been, operating in an
attached garage or warehouse, or adjacent to the building.
11. SERVICE AND WARRANTY:
IMPORTANT! SAFETY INSTRUCTIONS:
In the event of any malfunctions with the monitor, do not attempt to repair the unit.
This product should be serviced by a qualified service technician. Return the monitor
for service to the address listed below.
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ONE-YEAR LIMITED WARRANTY
The manufacturer, PPI, warrants to the original consumer purchaser that this
commercial CO monitor shall be free from defects in materials and workmanship from
the date of purchase for one year.
If this CO monitor is determined to be defective in original materials or workmanship
during the warranty period, return the monitor to the address indicated below with
delivery costs prepaid. Do not attempt to repair this product yourself. If determined to
be defective in original materials or workmanship, the CO monitor will be repaired or
replaced, at the sole discretion of the manufacturer.
This warranty is void if the CO monitor’s plastic case has been opened or the
product has been damaged by accident, modification of the unit, unreasonable use,
neglect, tampering or other cause not arising from defects in original materials or
workmanship.
The liability of the manufacturer, or of any of its parent or subsidiary corporations,
arising from the sale of this product or under the terms of this limited warranty shall not
in any case exceed the cost of the replacement of the CO monitor. In no case shall the
manufacturer or any of its parent or subsidiary corporations be liable for consequential
loss or damages resulting from the failure of the CO monitor to activate, or for the
breach of this or any other warranty, expressed or implied, even if the loss or damage is
caused by the manufacturer’s negligence or fault. These limitations or exclusions may
not apply in some states where limitations on the duration of an implied warranty or
exclusions or limitations of incidental or consequential damages are not allowed.
This warranty extends to the original consumer purchaser only, and may not be
altered by any agents, representatives, dealers, distributors or employees.
To return this product for service, pack carefully in a padded container. Include a
copy of your original sales receipt, an explanation of the problem, and your return
address. Ship prepaid and insured to:
Pro-Tech Safety Products
P.O. Box 493727
Redding, CA 96049
Tel: 877-955-TECH (8324)
www.protechsafety.com
240-1089-02 3/16/2010
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