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AIR SYSTEMS CO91-14LAC Operating Instructions And Replacement Parts

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OPERATING INSTRUCTIONS AND REPLACEMENT PARTS
Models: CO91-14LAC
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. 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.
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

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Summary of Contents for AIR SYSTEMS CO91-14LAC

  • Page 1 Otherwise it could fail to perform as designed, causing personal injury or death. Air SySteMS internAtiOnAL, inC. 829 Juniper Crescent, Chesapeake, Va, 23320...

  • Page 2: System Components

    Carbon Monoxide Monitor Overview The monitor will analyze the air sample and display the CO concentration in parts per million (ppm). The system’s green “NORMAL” operation light will illuminate and the red “HIGH CO” light will fl icker approximately every second when the CO level is below 10ppm (5ppm Canadian).

  • Page 3: Setup Operation

    Set-up/Operation SteP 1) Secure a low pressure Grade-D air source, under 150 PSI. Air Sample Inlet Lo- SteP 2) cated On Right Side Attach sample hose to the air sample inlet located on the right side of the case Of Case and to the air source, 125 PSI max.
  • Page 4 Colder Socket Hose Barb Hose Clamp Hose Hose Clamp Colder Plug Adapter Hose From L.P. Air Source to CO91-14LAC 1/4” Plug Hose Barb SteP 1 Slide hose clamp over end of hose. Slide Hose Clamp 1/2” plug onto hose and crimp hose clamp over hose barb.

  • Page 5: System Maintenance

    Air must be fl owing through the fi lters before the fi lter change indicators will function. 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 6 Carbon Monoxide Monitor System Components...
  • Page 7 Carbon Monoxide Monitor System Components iteM # DeSCriPtiOn PArt # LCD Display MONC703 Span Potentiometer MONC702A Alarm Set Point Potentiometer MONC702A Zero Potentiometer MONC702 Air Sample Inlet Socket MONC001 Air Sample Plug MONC002 Air Exhaust Port MONC003 On/Off/Test Switch MONC007 Recessed Plug With Fuse Holder MONC020 1 Amp Fast Acting Fuse, 5 X 20Mm...

  • Page 8: Sensor Replacement

    Sensor Replacement Replacement sensors are shipped with a metal spring installed between the electrodes. Do not remove the clip until the sensor is to be installed into the monitor. Step 1) Step 2) Step 3) Disconnect all external connections. Remove the four screws from the moni- Remove endplate to gain access to the Remove CO monitor from the unit.

  • Page 9: Calibration Procedure

    CALiBrAtiOn PrOCeDUre Calibration Procedure Do not use inert gases to zero the monitor. This will cause premature failure of the sensor. CO 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 10 CALiBrAtiOn PrOCeDUre Calibration Procedure CO 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 4) Install regulator on the CO calibration gas cylinder.

  • Page 11: 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 12 Rev. 6 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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Co-91Co-91ac

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