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AQ211 Main components – top cover removed
front cover with modem & particulate sensor
6 way header connection
to modem & particle
counter PCB
Battery connection
CO
sensor
2
NO
sensor
2
CO sensor
VOC sensor
The front cover is retained by 4 semi-captive fixing screws.
The front cover must be securely fitted to ensure the rubber seal is effective. The
AQ211 can be free standing (portrait mode only) or wall mounted using the 4 fixing
holes obscured when the front cover is fitted.
The front cover must be fitted during sustained operation.
6 way header
connection to logger
PCB
Engineering use
External power
MP12U
Charge error
Charging light
12V DC connection
Page 5
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