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Control wiring between
indoor unit and FS unit
Piping
Remote controller
FS unit
Group control
Indoor unit
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
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.
7-1-3. Setting When Connecting Multiple Indoor Units to a FS unit
Cautions to connection of indoor unit
• When connecting multiple indoor units to a single FS unit, it is necessary to set up the Item code.
This should be done after the addressing of the units.
• When connecting multiple indoor units to a single FS unit, only group control is available.
Remote controllers cannot be connected to individual units.
n Usage/Features
It is not possible to group control indoor units that
are connected to more than one FS unit.
Indoor units off of a single FS unit cannot be indi-
vidually controlled.
How to set up Item code
1
Push
VENT
+
TEST
buttons simultaneously for
4 seconds or more.
• is displayed in the UNIT No. window.
• At 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 “- ”.
3
Change SET DATA to “ ” using the timer
buttons
/ .
4
Push
SET
button.
5
Push
TEST
button.
This confirms the setup has finished.