AIR SYSTEMS CO-91 Series Operating Instructions And Replacement Parts Download Page 4

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SteP 1

Remove existing gauge from bushing.

SteP 2

Install street tee in bushing. Install colder socket and gauge

in street tee as shown.

SteP 3

Slide hose clamp over end of hose. Slide colder plug onto

hose and crimp hose clamp over colder plug.

SteP 1

Slide hose clamp over end of hose. Slide

1/2” plug onto hose and crimp hose clamp over hose barb.

SteP 2

Install 1/4” plug on Breather Box

or other air source to be

tested. Maximum pressure 125 PSI.

Universal Air Pump Adapter Kit For CO91-14LAC

Adapter Hose From L.P. Air Source to CO91-14LAC

Pressure Gauge

Colder Socket

Colder Plug

Hose Barb

1/4” Plug

Hose Clamp

Hose

Street Tee

Bushing

Tee

Hose Clamp

Summary of Contents for CO-91 Series

Page 1: ...0 Fax No 757 424 5348 www airsystems com e mail sales airsystems com 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 WARNING ...

Page 2: ...ht will illuminate the audible alarm will sound and the remote alarm connections will energize Once the CO concentration levels drop below the alarm set point all alarm indicators will deactivate and the unit will return to NORMAL operation Carbon Monoxide Monitor Overview System Components Size 2 75 H X 6 57 L X 5 1 W Weight 2 8 LBS 1 27kg Case Extruded Aluminum anodized black Voltage 115 VAC and...

Page 3: ...Adjust the regulator pressure to a maximum reading of 20 PSI STEP 4 Adjust the flowmeter so the ball hovers between 50 and 100 cc min STEP 5 Place the ON OFF TEST switch to the ON position Allow 30 seconds for the readout to stabilize If a reading other than ZERO is displayed calibration of the monitor may be necessary If the CO concentration level exceeds the alarm set point the green NORMAL ligh...

Page 4: ... Slide hose clamp over end of hose Slide 1 2 plug onto hose and crimp hose clamp over hose barb STEP 2 Install 1 4 plug on Breather BoxTM or other air source to be tested Maximum pressure 125 PSI 4 Universal Air Pump Adapter Kit For CO91 14LAC Adapter Hose From L P Air Source To CO91 14LAC Pressure Gauge Colder Socket Colder Plug Colder Plug Hose Barb Hose Barb 1 4 Plug Hose Clamp Hose Clamp Hose ...

Page 5: ...Calibration Monitor calibration should be done monthly or whenever the reading may be questionable A calibration date sticker should be affixed for future reference To obtain an accurate calibration we recommend the use of Air Systems calibration kits Part number BBK 10 Canadian calibration kit for CO monitor 10ppm CO zero air regulator and case 17 liter size BBK 20 Calibration kit for CO monitor ...

Page 6: ...6 Carbon Monoxide Monitor System Components ...

Page 7: ...Board CO 91PSB 15 Sensor Connector Soldered To PCB MONC509 16 Battery Box MONC006 17 9 Volt Battery ELB9V 18 Calibration Tool MONC028 19 End Plate CO 91BEP 20 Aluminum Housing CO 91HOU 21 Led Socket MONC009LA 22 Yellow Led MONC008NS 23 Led Socket And Yellow Led CO 91LED 24 PPM Serial No Sticker MONC031 25 Battery Box Connector Soldered To PCB MONC516 26 Led Connector Soldered To PCB MONC511 27 12 ...

Page 8: ...left endplate Step 3 Remove endplate to gain access to the sensor cup Step 4 Remove sensor from sensor cup and remove leads Take the new sensor and remove the metal spring Reattach leads to the proper colored terminals on the new sensor Install new sensor into sensor cup Step 5 Reassemble monitor and reinstall in unit Connect all cables and air sample hose Allow monitor to stabilize 30 minutes to ...

Page 9: ...er SteP 2 Allow 30 seconds for the readout to stabilize The green indicator will illuminate SteP 3 Hold the ON OFF TEST switch in the TEST position The following will occur Audible alarm will sound Green LED will flash Amber Low Battery indicator on monitor will illuminate Red LED will be on This test ensures the circuitry is operable and continuity to the sensor is proper Release the switch SteP ...

Page 10: ...e flow of gas thru the hose Verify flow of gas thru the hose via touch or sound SteP 4 Allow digital readout to stabilize 15 30 seconds SteP 5 Adjust the span adjustment screw clockwise to in crease or counterclockwise to decrease until the digital readout reads the same as the concentration ppm as printed on the calibration gas cylinder SteP 6 Turn the regulator off and repeat the zero adjustment...

Page 11: ...Ct Or inDireCt COStS eXPenSeS LOSSeS Or DAMAGeS AriSinG OUt OF DeFeCtS in Or FAiLUre OF tHe PrODUCt Or Any PArt tHereOF The purchaser shall be solely responsible for compliance with all applicable Federal State and Local OSHA and or MSHA requirements Although Air Systems International believes that its products if operated and maintained as shipped from the factory and in accordance with our opera...

Page 12: ...esapeake 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 Manual No MON006 Rev 6 May 2018 ...

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AIR SYSTEMS CO-91 Series, Operating Instructions And Replacement Parts

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