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INTRINSICALLY SAFE, CLASS I
DIVISION I, GROUPS C AND D
C
US
1072398
this manual must be read carefully and followed by all persons who have or will have the responsibility
for using or servicing this equipment. this equipment will perform as designed only if used according
to the instructions. Otherwise it could fail to perform as designed, causing personal injury or death.
OPERATING INSTRUCTIONS AND REPLACEMENT PARTS
Models: CO2-91IS and CO2-91ISLA
AIr SySteMS InternAtIOnAL, InC.
829 Juniper Crescent, Chesapeake, Va, 23320
Telephone (757) 424-3967
Toll Free 1-800-866-8100
Fax No. (757) 424-5348
www.airsystems.com.
e-mail: sales@airsystems.com
WArnInG
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Summary of Contents for AIR SYSTEMS CO2-91IS
- Page 1 OPERATING INSTRUCTIONS AND REPLACEMENT PARTS Models: CO2-91IS and CO2-91ISLA ® INTRINSICALLY SAFE, CLASS I DIVISION I, GROUPS C AND D 1072398 WArnInG this manual must be read carefully and followed by all persons who have or will have the responsibility for using or servicing this equipment.
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Page 2: Warranty
Air Systems’ manufactured equipment is warranted to the original user against defects in workmanship or materials under normal use for one year from the date of purchase. Any part which is determined by Air Systems to be defective in mate- rial or workmanship will be, as the exclusive remedy, repaired or replaced at Air Systems’... - Page 3 Calibration: Monitor calibration should be done monthly or whenever the reading may be questionable. A calibration date sticker should be affi xed for future reference. To obtain an accurate calibration, we recommend the use of Air Systems’ calibration kits.
- Page 4 Carbon Monoxide/Oxygen Monitor System Components nOte: Model CO2-91IS has the indicator lights and audible alarm mounted on bottom of housing and Model CO2-91ISLA has the indicator lights mounted on top of housing with the audible alarm being mounted on the left endplate.
- Page 5 Air Sample Inlet Socket MONC001 Air Sample Plug MONC002 Air Exhaust Port MONC003 On/Off /Test Switch MONC007 CO2-91IS/CO2-91ISLA Faceplate Assembly CO2-91EXFP Faceplate/Endplate Screw MONC023 Main Circuit Board Assembly CO2-91IPCB Power Supply Board CO2-91EXPS Batt ery Box Connector (Soldered To PCB) MONC516 PPM/Serial No.
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Page 6: Sensor Replacement
SenSOr rePLACeMent Sensor replacement Replacement CO sensors are shipped with a metal clip installed between the electrodes. Do not remove the clip until the sensor is to be installed in the monitor. O2 sensors do not require a clip installed between the electrodes. SteP 1) SteP 2) SteP 3) -
Page 7: Calibration Procedure
CALIBrAtIOn PrOCeDUre Calibration Procedure Do not use inert gases to zero the monitor. This will cause premature failure of the sensor. CO/O2 Monitor Zero Adjustment To zero the monitor, follow the steps below. Zero calibration gas should be used to properly “zero” the monitor and assure that a valid calibration is achieved. - Page 8 Calibration Procedure CALIBrAtIOn PrOCeDUre CO/O2 Monitor Span Adjustment Use only 10-20ppm CO gas for calibration. Using a higher concentration may decrease accuracy at lower scale readings. Note: 10ppm gas must be used to satisfy Canadian calibration requirements. SteP 1) SteP 5) Install regulator on the CO calibration gas cylinder.
- Page 9 Notes:...
- Page 10 Notes:...
- Page 11 Notes:...
- Page 12 Rev. 3 May 2018 AIr SySteMS InternAtIOnAL, InC. 829 Juniper Crescent, Chesapeake, Va, 23320 Telephone (757) 424-3967 Toll Free 1-800-866-8100 Fax No. (757) 424-5348 http://www.airsystems.com e-mail: sales@airsystems.com Printed in the U.S.A. ©Copyright Air Systems International, Inc. 2018 All Rights Reserved...
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