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ANALOX Ax 50 Manual

Carbon dioxide analyser
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Ax 50™
Carbon Dioxide Analyser
*** WARNING ***
Please read the safety information on
Pages 9 and 24 before installing this product.
Analox Ltd.
15 Ellerbeck Court, Stokesley Business Park
North Yorkshire, TS9 5PT, UK
T: +44 (0)1642 711400 F: +44 (0)1642 713900
W: www.analox.net E:
info@analox.net
This support line is closed on UK public holidays

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Summary of Contents for ANALOX Ax 50

  • Page 1 Ax 50™ Carbon Dioxide Analyser *** WARNING *** Please read the safety information on Pages 9 and 24 before installing this product. Analox Ltd. 15 Ellerbeck Court, Stokesley Business Park North Yorkshire, TS9 5PT, UK T: +44 (0)1642 711400 F: +44 (0)1642 713900 W: www.analox.net E:...
  • Page 3 Analox 50 – Carbon Dioxide Analyser – User Manual How to fit an Ax 50 450mm Document Ref: A50-811-19 – September 2014 Page 2...
  • Page 4 Analox 50 – Carbon Dioxide Analyser – User Manual Document Ref: A50-811-19 – September 2014 Page 3...
  • Page 5 Analox 50 – Carbon Dioxide Analyser – User Manual Document Ref: A50-811-19 – September 2014 Page 4...
  • Page 6 Analox 50 – Carbon Dioxide Analyser – User Manual Document Ref: A50-811-19 – September 2014 Page 5...
  • Page 7 Analox 50 – Carbon Dioxide Analyser – User Manual Ax 50 Accessories Document Ref: A50-811-19 – September 2014 Page 6...
  • Page 8 Analox 50 – Carbon Dioxide Analyser – User Manual Effects of Carbon Dioxide 1,000ppm (0.1%) 5,000ppm (0.5%) 10,000ppm (1%) 15,000ppm (1.5%) 20,000ppm (2%) 30,000ppm (3%) 40,000- 50,000ppm (4-5%) 50,000- 100,000ppm (5-10%) 100,000- 1,000,000ppm (10-100%) For a more detailed outline of the dangers of CO2, please visit our...

  • Page 9: Table Of Contents

    Analox 50 – Carbon Dioxide Analyser – User Manual LIST OF CONTENTS SAFETY NOTES ..................9 PACKAGING CONTENTS CHECK ............9 ABOUT THE Ax 50 ................10 3.1. BATTERY BACK-UP ENDURANCE..........11 INSTALLATION ..................12 4.1. Wall Mounting .................. 12 4.2.

  • Page 10: Safety Notes

    Analox 50 – Carbon Dioxide Analyser – User Manual SAFETY NOTES Every gas monitor installation should be risk assessed. The correct location of monitor(s) must consider the potential sources of gas leaks and the location of expected human occupation in the area.

  • Page 11: About The Ax 50

    The Ax 50 unit is designed to detect the presence of Carbon Dioxide in ambient air for the protection of people in confined spaces. The Ax 50 provides audible and visual indication of potentially dangerous levels of Carbon Dioxide in the air surrounding the instrument. The instrument uses an Infra Red detector system, together with state of the art technology.

  • Page 12: Battery Back-Up Endurance

    Analox 50 – Carbon Dioxide Analyser – User Manual 3.1. BATTERY BACK-UP ENDURANCE If fitted the Battery back-up will give the Ax 50 between 7 and 14 hours normal operation in the event of a power failure, some examples are...

  • Page 13: Installation

    Isolation can be achieved either by means of a non-locking plug or a double pole switch of suitable rating. A label must be placed by the local disconnection point for the Ax 50 stating "REMOVE PLUG TO DISCONNECT Ax 50...

  • Page 14: Remote Alarm Repeaters

    4.2.1. To connect a “Hard Wired” Remote Alarm Repeater 1) Disconnect the power supply from the Ax 50 2) Open the Remote Alarm Repeater unit by removing the 4 screws in the front of the case and carefully pulling the case apart. The...

  • Page 15: To Connect A "Quick Connect" Remote Alarm Repeater

    Analox 50 – Carbon Dioxide Analyser – User Manual 4.2.2. To connect a “Quick Connect” Remote Alarm Repeater 1) Disconnect the power supply from the Ax 50 2) Insert the connector on the end of the wire into either socket on the bottom of the Remote Alarm Repeater.

  • Page 16: Alarm Relay Output Models

    Latched versions are available; if relays are latched they will only cancel once the alarm state has cleared, and the mode switch on the Ax 50 Remote Alarm Repeater is pressed. The relays are normally supplied ‘Fail Safe’ i.e. normally energised, and will de-energise when in alarm state.

  • Page 17: Relay Wiring

    Analox 50 – Carbon Dioxide Analyser – User Manual 4.4. Relay Wiring Internal relays Ensure that the load is within the limits of the relay, 50VAC/DC, 1 Amps (max). Cable core Relay terminals Relay 1 COM Relay 1 N.O. Relay 1 N.C.

  • Page 18: To 20Ma Output Models

    SIMPLIFIED RELAY WIRING DIAGRAM 4.5. 4 to 20mA output models You may have ordered your Ax 50™ with a 4 to 20mA output. A 2m cable is factory fitted to the instrument. The 4 to 20mA output current is generated by the instrument.

  • Page 19: Operation

    Remote Alarm Repeaters. The alarms are self- cancelling when the Carbon Dioxide level falls below the alarm limits. Alternatively latched alarm versions are available, on which the Ax 50 will stay in the alarm mode until the gas concentration has fallen below the alarm set point and the mode switch has been pressed to accept the alarm.

  • Page 20: Lamp And Alarm Test

    Alarm 2 Alarm 3 6.1. Lamp and Alarm Test Momentarily pressing the ‘Mode’ button on either the Ax 50 or any Remote Alarm Repeaters, in the absence of any alarm conditions, causes a lamp and alarm test to be performed. The indicator lamps will flash 4 times, together with the alarm Horn.

  • Page 21: Fault Conditions

    During normal operation, the instrument carries out a continuous self- test procedure. As long as the green light is flashing, the instrument is working. If there are no indicator lamps lit on the Ax 50 , check that power is connected and that the fuses are OK.

  • Page 22: Technical Specifications

    Free single pole Changeover, rated 240VAC/ 28VDC, 2 Amps, (only one relay if oxygen sensor specified). Analox has a policy of continuous improvement and we reserve the right to upgrade or change specifications without prior notice. The Analox 50 conforms to DIN 6653-2:2004.

  • Page 23: Warranty Information

    Analox 50 – Carbon Dioxide Analyser – User Manual WARRANTY INFORMATION We provide the following Warranties for the Ax 50™: A 15 year CO2 Sensor Warranty. A 2 year electronics Warranty. In both cases the Warranty period runs from the date of our Invoice.

  • Page 24: Disposal

    Analox 50 – Carbon Dioxide Analyser – User Manual DISPOSAL According to WEEE regulation this electronic product can not be placed in household waste bins. Please check local regulations for information on the disposal of electronic products in your area.

  • Page 25: Safety

    Analox 50 – Carbon Dioxide Analyser – User Manual 10. SAFETY The Ax 50 is designed to be compliant with the following standards: BS EN 61010- 1: 2001, IEC 61010-1: 2001, CAN/CSA C22.2 Nr. 61010-1-04, ANSI / UL Std. No.

  • Page 26: Declaration Of Conformity

    Analox 50 – Carbon Dioxide Analyser – User Manual 11. DECLARATION OF CONFORMITY Document Ref: A50-811-19 – September 2014 Page 25...

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