Installation & Operation Manual Merlin CO2 Monitor AVG TFT
Rev: 08 07-20
3
INSTALLATION
Planning
Your new CO
2
sensor is carefully designed and tested to monitor levels of carbon dioxide (CO
2
)
in the air and used in areas where CO
2
could be a concern.
The device will measure and display the CO
2
value in ppm (parts-per-million) with digital
display indications. This data is refreshed every 3 seconds.
Your device will also monitor, record and display the average concentration of carbon dioxide
over an 8 and 24 hour period also giving you the maximum concentration recorded over 24
hours. This data is refreshed every 10 minutes.
The information contained within this guide should be referenced for typical installation and
operation only. For site specific requirements that may deviate from the information in this
guide – contact your supplier.
Carbon Dioxide Gas
Carbon dioxide (Chemical formula-CO
2
) is a colourless gas with a density about 60% higher
than that of dry air. It occurs naturally in earth’s atmosphere as a trace gas where the natural
concentration is about 0.04% (410ppm).
Typical Positioning
A carbon dioxide monitor requires a free flow of air to operate correctly, it should therefore not
be located in a space that is likely to restrict the free movement of air.
a)
Avoid positioning near draft areas i.e. doorways, windows and ventilation openings as this
may give the occupant false CO
2
readings.
b)
Avoid obstructions such as furniture, blinds and curtains etc.
c)
Mount between 1.4 – 1.6m above floor level. A carbon dioxide detector head (or monitor if
integrated) should not be sited within 1m of the expected location of a bed-head.
If you are in doubt or require further information, contact us.
