Macurco CD-12 Instructions D'utilisation page 21

FCK Information
Several detectors can be calibrated with one FCK. The only limitation is the amount of gas in the cylinder. The 17 liter cylinder has
approximately 85 minutes of continuous calibration run time. Replacement cylinders are available. The gas cylinder should be replaced
when the pressure gauge on the regulator shows 25-psi or less.
Note: For optimum test results it is suggested that the unit be in clean air, green light on, and be in a low ambient air flow.
Gas Testing
Testing the Fan Relay
1. Remove the Philips screw on the front of the CD-12. Remove the front cover.
2. Open the FCK. Connect the 2000 ppm gas cylinder to the regulator.
3. Check the pressure gauge on the regulator. If you have 25-psi or less you will need to replace the gas canister.
4. Assemble regulator, hose and Test Hood and place the Test Hood over the CO2 sensor.
Note: The time to activate the Fan relay depends on the delay setting.
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