10
4-3. Setting
The following explains ON/OFF, mode select, temperature setting, Prohibiting the local remote controller,
setting the external timer, and filter reset.
* If [
CENTRALIZED
] blinks while one of the above settings is being made, that setting is prohibited by
the master system controller, as is the intended operation.
* Some operations are not valid with some of the available functions. See each section for details.
(1)
ON/OFF
[Collective Operation Screen]
Pressing the
ON/OFF
switch controls ON/OFF for all indoor units and ventilation units.
[Group Operation Screen]
Pressing the
ON/OFF
switch controls ON/OFF for indoor units and ventilation units in the selected
groups.
* Pressing the COLLECTIVE ON/OFF switch in either screen controls ON/OFF for all indoor units
and ventilation units.
(2)
Operating Modes
[Collective Operation Screen]
Each time the
MODE
switch is pressed, the display changes in the following order:
No display
→
Cool ( )
→
Dry ( )
→
Fan (
)
→
Auto (
)
→
Heat (
)
→
Auto Vent ( AUTO
)
↑
↓
Heat exchange Vent. ( HEAT EX.
)
←
By-passVent. ( BY-PASS
)
If any of the above is not available on the registered indoor unit, that operation mode will not be
shown. For groups where any of the above operation modes is not available, it will not be shown
even when the operation modes are set collectively.
[Group Operation Screen]
• Indoor unit groups
Each time the
MODE
switch is pressed the system advances through the Cool
→
Dry
→
Fan
→
<Auto>
→
Heat sequence.
(The system may skip the items in < > depending upon the type of indoor unit used.)
• Ventilation unit groups
Each time the
MODE
switch is pressed the system advances through the Auto ventilation
→
By-pass ventilation
→
Heat exchange ventilation sequence.
(3)
Temperature Adjustment
[Collective Operation Screen]
If either of the TEMP.
or
switch is pressed once, the display reads 19
°
C. Each addi-
tional time a switch is pressed, the set temperature changes by 1
°
C. If a switch is held down, the
temperature changes continuously in 1
°
C steps.
The temperature adjustment range for the collective setting is from 19
°
C through 28
°
C, regard-
less of the operation mode. If only Lossnay is being controlled, temperature adjustment is not
available.
[Group Operation Screen]
The set temperature is increased or decreased by 1
°
C each time the TEMP. switch (
,
)
is pressed.
