Daikin Air Intelligence DV15 Series Installation & Operation Manual page 4

Filter Match-up Options
Air Handler Filter Options
Air Handler Size Bottom/Top Return
B
C
D
Turning
Vanes
Dual filter furnace application, side return (For any side return
on a furnace without a furnace riser, use one DV15-2817-FB on
A & B or two DV15-2817-FB on C & D furnace sizes)
4
Plenum
Return
21x17 21x21
21x21 21x24
21x24 21x24
Duct transition
Duct transition for side flow dual filter installation
furnace/air handler application
Turning
Vanes
Furnace Riser
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Furnace Filter Options
Bottom/Top
Furnace Size Side Return
Return
A 28x14
B 28x17
C 28x21 (2) 28x17
D 28x24 (2) 28x17
Turning
Vanes
Single filter furnace application, side return
with furnace riser (When using a furnace riser,
use DV15-2824-FD on all furnace sizes)
Side Return with
Furnace Riser
28x17 28x24
28x17 28x24
28x24
28x24
Riser
IO-DPAC