Dimplex DCACP23 Instruction Manual page 13

HEPA Filter Installation
1. As per shown below, the back cover is locked when the small triangle is aligned to
the 'lock symbol.' To unlock the back cover, rotate the back cover counter clockwise
approximately 8 degrees or so the small triangle is more aligned to the 'unlock
symbol.'
2. Remove the back cover and place the filter inside the unit. Place the back cover
back onto the device and lock again as per the instructions above.
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