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.
Control wiring between
indoor unit and FS unit
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.
FS unit
Control wiring
between
indoor unit
and FS unit
Remote controller
How to set up Item code
1
VENT
TEST
Push
+
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 "
3
Change SET DATA to "
buttons
/
.
4
SET
Push
button.
5
TEST
Push
button. Then the setup finished.
FS unit
Remote controller
FS unit
Piping
Piping
Indoor
unit
NG
Group control
-
".
" by the timer
Group control
For the indoor unit, a remote controller cannot be
individually connected.
FS unit
Control wiring
between
indoor unit
and FS unit
Remote controller
SET
DATA
TEMP.
2
FILTER
RESET TEST
5
4
17
Piping
Indoor unit
Piping
NG
CODE No.
SETTING
UNIT No.
R.C.
No.
ON / OFF
TIMER SET
FAN
MODE
TIME
SWING/FIX
VENT
SET CL
UNIT
Indoor
unit
1
3