Proprietary*Information:*Not*for*use*or*disclosure*except*by*written*agreement*with*Calix.*
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Fan+Filter+Maintena nc e+
The E7-20 fan module includes an air filter for use in indoor/office environments. The filter
resides on the bottom side of the fans.
The air filter is made of closed-cell fiber composite material and can be washed and replaced.
Calix recommends conducting a visual inspection of the filter every month. When the filter
becomes visibly clogged with dust or dirt, the filter must be cleaned or replaced with a new
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9A! Grasp the two embossed tabs on the sheet metal door, just below the fan tray latches,
and then pull back and down to open the door.
*A! Remove the air filter from the E7-20 housing.
:A! Clean the filter as follows:
a.! Using compressed air, spray the filter to remove loose dust particles from the surface.
b.! Thoroughly wash the filter in soapy water, removing any trapped dust/dirt particles.
Rinse the filter with water.
c.! Pat dry the filter using an absorbent towel or cloth.
d.! Spray the filter with compressed air to remove any remaining moisture on the outside
Note: If the filter is badly worn, replace it with a new filter (available from Calix).
<A! Reinstall the filter into the E7-20 housing, and then close the sheet metal door.
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