– 18 –
■
Installing indoor unit on high
ceiling
When the height of the ceiling to be installed exceeds
3.5 m, adjustment of air volume is necessary.
Set up the high ceiling.
• Set according to the basic operation procedure
(
1
→
2
→
3
→
4
→
5
→
6
).
• CODE No. in Procedure speci
fi
es [5d].
• Select [SET DATA] in Procedure from “List of
installable ceiling height” in this Manual.
• For the CODE No. in Procedure
3
, specify [5d].
• For the CODE No. in Procedure
4
, select the SET
DATA of ceiling height to be set up from the table on
the below.
Model
GM90
SET DATA
Standard
(Factory default)
Up to 3.5 m
0000
High ceiling (1)
Up to 4.3 m
0003
◆
Remote controller-less setting
Change the high-ceiling setting with the DIP switch on
the indoor unit P.C. board.
* Once the setting is changed, setting to 0001 is
possible, however setting to 0000 requires a
setting data change to 0000 using the wired remote
controller (separately sold) with the normal switch
setting (factory default).
SET DATA
SW501-1
SW501-2
0000
(Factory default)
OFF
OFF
0003
OFF
ON
To restore the factory defaults
To return the DIP switch settings to the factory
defaults, set SW501-1 and SW501-2 to OFF, connect
a separately sold wired remote controller, and then set
the data of CODE No. [5d] to “
0000
”.
2
Each time
button is pushed, indoor
unit numbers in the control group change
cyclically. Select the indoor unit to change
settings for.
The fan of the selected unit runs and the louvers
start swinging. The indoor unit for change settings
can be con
fi
rmed.
3
Specify CODE No. [
] with “TEMP.”
/
buttons.
4
Select SET DATA [
] with “TIME”
/
buttons.
5
Push
button. When the display changes
from
fl
ashing to lit, the setup is completed.
• To change settings of another indoor unit, repeat
from Procedure
2
.
• To change other settings of the selected indoor
unit, repeat from Procedure
3
.
Use
button to clear the settings. To make
settings after
button was pushed, repeat from
Procedure
2
.
6
When settings have been completed, push
button to determine the settings.
When
button is pushed,
fl
ashes and
then the display content disappears and the air
conditioner enters the normal stop mode.
(While
is
fl
ashing, no operation of the
remote controller is accepted.)
SW501-2
SW501-1
MCU(IC501)
■
Filter sign setting
According to the installation condition, the
fi
lter sign
term (Noti
fi
cation of
fi
lter cleaning) can be changed.
Follow to the basic operation procedure
(
1
→
2
→
3
→
4
→
5
→
6
).
• For the CODE No. in Procedure
3
, specify [01].
• For the [SET DATA] in Procedure
4
, select the SET
DATA of
fi
lter sign term from the following table.
SET DATA
Filter sign term
0000
None
0001
150H
0002
2500H
(Factory default)
0003
5000H
0004
10000H
■
To secure better effect of
heating
When it is dif
fi
cult to obtain satisfactory heating due to
installation place of the indoor unit or structure of the
room, the detection temperature of heating can be
raised. Also use a circulator or other device to circulate
heat air near the ceiling.
Follow to the basic operation procedure
(
1
→
2
→
3
→
4
→
5
→
6
).
• For the CODE No. in Procedure
3
, specify [06].
• For the set data in Procedure
4
, select the SET
DATA of shift value of detection temperature to be set
up from the following table.
SET DATA
Detection temperature shift value
0000
No shift
0001
+1 °C
0002
+2 °C
(Factory default)
0003
+3 °C
0004
+4 °C
0005
+5 °C
0006
+6 °C
■
Power saving mode
Performing settings of the power saving
mode
* When a multiple-unit system is con
fi
gured for group
control, each outdoor unit must be set up.
* When an outdoor unit RAV-SP***2AT / SM***3AT
type or earlier is used, the power level is
fi
xed to
75% regardless of the value on the display.
1
Push
button for 4 seconds or more when
the air conditioner is not working.
fl
ashes.
Indicates CODE No. “C2.”
2
Select an indoor unit to be set by pushing
(left side of the button).
Each time the button is pushed, unit numbers
change as follows:
UNIT No.
1-1
UNIT No.
1-2
UNIT No.
1-3
UNIT No.
1-4
The fan of the selected unit runs.
3
Adjust the power save setting by pushing
TIME
buttons.
Each push of the button changes the power level
by 1% within the range from 100% to 50%.
* The factory default is 75%.
* The power level might not drop to the setpoint,
depending on the operating conditions.
* All indoor units with the same group address
must be set with the same power level.
Setting of power level in
power saving mode
4
Determine the setting by pushing
button.
5
Push
button to complete the setting.
35-EN
36-EN