Specifications

812
FDC-HKX
(2) 2-way outlet ceiling recessed type (FDTW)
(a) Selection of installation location
1) This unit is a ceiling surface direct return air and direct supply air type.
Install the unit a place the allows air to reach every part of the room, in accordance with the shape and heigh of the room.
• Installation space
2) This unit permits connecting a branch duct (
B 200 mm) according to the method shown in the figure below so that air disribution
may be improved to the shape of the room. (For the connecting port of the duct, refer to the exterior dimension on page 51.)
3) Cold air throw
Notes (1) The cold air throw is the same in 2 directions.
Conditions:
1.Unit height: 3.0 m above the floor
2.Fan speed: Hi
3.Location: Freee space without obstacle
4.The throw is as the per the table above.
5.Air velocity at the throw: 0.3(m/s)
(2) By changing the fan motor tap from Hi to UHi, the throw is increased.
[CNF2 (white,1p) in the control box) Change the connection for the connector CNF3 (red, 1p)]
4) Places where chilied or heated air circulates freely. When the installation heiht exceeds 3.5m, warmed air stays close to the
ceiling. In such cases, suggest your client users to install air circulators.
5) Places where perfect drainage can be prepared and sufficient drainage gradient is available.
6) Places free from air disturbances to the return air port and supply hole of the indoor unit, places where the fire alarm may not
malfunction to short circuit.
7) Places with the environmental dew-point temperature is lower than 28°C and the relative humidity is less than 80%. (When
installing at a place under a high humidity environment, pay suffcient attention to prevention of dewing such as thermally
insulating the unit properly.)
Item
Models
FDTW28, 45, 56 type FDTW71, 90 type FDTW112 type FDTW140 type
Standerd
UHi
(2)
4.0
4.5
4.5
5.0
4.7
5.2
5.0
5.5
Unit : m
1500
or
more
1500
or
more
100
or
more
100
or
more
1000 or more
Unit : mm
⭋
200 mm
Air interruption