59
Control wiring between
indoor unit and FS unit
Piping
Remote controller
FS unit
Group control
Indoor unit
8
SETTING WHEN CONNECTING MULTIPLE INDOOR UNITS TO A FS UNIT
Cautions to connection of indoor unit
• When connecting the multiple indoor units to a single FS unit, it is necessary to set up the Item code.
Be sure to set up the Item code after setup of address.
• When connecting the multiple indoor units to a single FS unit, only group control is available.
For the indoor unit, a remote controller cannot be individually connected.
n Incorrect example of connection
When connecting the multiple indoor units to a
single FS unit, the indoor units which are connected
with the multiple FS units are unavailable for the
group control by a single remote controller.
How to set up Item code
1
Push
VENT
+
TES
buttons simultaneously for
4 seconds or more.
• is displayed in the UNIT No. window.
• In this time, the fans of all the indoor units in the
group control start the fan operation.
2
Using the set temperature buttons
/ , select the Item code “0E ”.
3
Change SET DATA to “01 ” by the timer
buttons
/ .
4
Push
SET
button.
5
Push
TES
button. Then the setup finished.
5
4
2
3
1
ON / OFF
FAN
TEMP.
SWING/FIXTIME
MODE
VENT
UNITSET CL
FILTER
RESET
TEST
TIMER SET
CODE No.
UNIT No.
SETTING
DATA
SET
R.C. No.
Control wiring
between
indoor unit
and FS unit
Piping
Piping
Remote controller
FS unit
Group control
Indoor
unit
Control wiring
between
indoor unit
and FS unit
FS unit
NG
NG
Piping
Remote controller
FS unit
Indoor
unit
For the indoor unit, a remote controller cannot be
individually connected.