Specifications

PRODUCTS
17
FDUA Indoor Unit.
Duct Connected - High Static Pressure.
Selecting the external static pressure setting the optimum air ow volume can be achieved.
The indoor unit will recognize the external static pressure setting and keep rated air volume.
Improved servicing
External static pressure (E.S.P.) control
Fan unit (impeller and motor) can be pulled out from the right side of the unit. Maintenance is
available from the right side or from beneath.
Maintenance
hole
Pipe
Fan unit
Unit
Service
space
Keep the same
air ow volume
Longer DuctDuct
Ceiling
FDUA
Duct
Setting No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
E.S.P. (Pa)
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 200
External static pressure
can be set by E.S.P.
button.
E.S.P. button