Air Outlet Selection ( Damper Control )( For Ag Type ) - Fujitsu ASU18RLF Service Instructions Manual

25. AIR OUTLET SELECTION ( DAMPER CONTROL )( For AG type )

With this function , air come out simultaneously from the upper and lower air outlets so that
the room can be cooled or heated effectively.
This function is set using the switch behind the front grille of the Indoor unit.
(This function is available in cooling and heating operation.)
1. How to set to blow out air from the upper and lower air outlets
Air blows out automatically from the upper and lower air outlets as shown in Table 19 below.
NOTE: Set the air outlet selection switch to the end.
Otherwise, air outlet cannot be selected as intended.
2. Description of operation
( Table 19 : Damper control )
Operation COOLING Mode
Air flow
Upper and lower
air flow
Room tempera-
ture and set tem-
perature are dif-
Conditions
ferent.
*1 : In Cooling mode
When the room
temperature drops
Upper & Lower
TR-Ts > 4°F
=
air flow
(2°C)
TR-Ts < 4°F
Upper air flow
(2°C)
TR : Room temperature
3. How to set to blow out air from the upper air outlet only
Set the air outlet selection switch to
Upper air flow Upper air flow
only
Room tempera-
ture is close to set
temperature,*1 or
the air conditioner
has operated for
1hour.
When the room
temperature rises
TR-Ts >14°F
=
(7°C)
TR-Ts < 14°F
(7°C)
Ts : Setting temperature
Set the air outlet selection switch to
01-25
DRY Mode
Upper and lower
air flow
Air flow tempera-
ture is high.
_
*2 : In Heating mode
When the room
temperature drops
Upper & Lower
air flow
84.2°F
(29°C)
Upper air flow
HEATING Mode
Upper air flow
Air flow tempera-
ture is low.*2
(During defrost-
ing operation,
start of operation,
etc.)
When the room
temperature rises
98.6°F
(37°C)