AFA4000/E VAV Airflow Controller / p.196
14. Cleaning and maintenance
14.1 Cleaning
The Auto Sash Controller and AFA4000/E are generally maintenance free.
All parts fitted within the laboratory space may need occasional cleaning depending on the
environmental conditions and usage. Include the following:
Use a dry cloth, optical lens or
screen wipe to remove dust, dirt,
grease or finger marks.
Do not remove the keypad whilst
the unit is powered up. Isolate the
power if the keypad is removed for
cleaning.
Use a dry cloth, optical lens or
screen wipe to remove dust, dirt,
grease or finger marks.
Do not adjust the sensor position
whilst cleaning. If the sensor angle
is adjusted the user detection may
be compromised.
Use a dry cloth, optical lens or
screen wipe to remove dust, dirt,
grease or finger marks.
The Light Curtain is calibrated to
detect glass objects. Make sure the
light curtain is kept free from
obstructions and kept clean.
Use a dry cloth, optical lens or
screen wipe to remove dust, dirt,
grease or finger marks.
Do not adjust the sensor position
whilst cleaning. If the sensor angle
is adjusted the sensor beam will be
compromised.
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