Hitachi FB-12PIE Operation & Installation Manual page 3

3. Installation steps of the filter box
(1) Remove the duct flange.
(2) Remove the box support pillars and screws. See
table for the quantity.
(3) Install the duct's flange on the filter box.
(4) Install filter box on the duct.
Quantity
A B
FB-12PIE 4 2
FB-30PIE 8 4
FB-48PIE 12 6
Loosen screw A
and remove pillar B
4. Installation and replacement of the filter
(1) Loosen the fixing screws of the side service cover.
Loosen screws
(2) Open the service cover.
(3) Pull out the filter mounting rack.
(4) Separate the filter mounting rack.
(5) Position the filter on the filter mounting rack
and connect two filter mounting racks.
(6) Fix the side service cover with screws.
Tighten screws
3