– 19 –
Procedure
1
Push simultaneously
+
buttons for 4 seconds or
more.
After a while, the display part flashes and the display appears
as shown below.
In this time, the position can be checked because fan and
louver of the indoor unit operate.
• For the group control, the indoor UNIT No. is displayed as
[
] and fans of all the indoor units in the group control
operate.
Check the displayed CODE No. is [
01
].
• When the CODE No. is other than [
01
], push
button to
erase the display and repeat procedure from the first step.
(After pushing
button, operation of the remote control is
not accepted for approx. 1 minute.)
Procedure
2
In the group control, every pushing
button, the
indoor UNIT No. in the group control is displayed in order.
In this time, the position of the indoor unit can be confirmed
because only fan of the selected indoor unit operate.
(For a group control, No. of the firstly displayed indoor unit
becomes the header unit.)
Procedure
3
After confirmation, push
button to return the mode to the
usual mode.
When pushing
button, the display disappears and the
status becomes the usual stop status.
(When pushing
button the operation from the remote
control is not accepted for approx. 1 minute.)
Central control system
Air conditioners at multiple locations can be controlled
individually for each refrigeration system from a control room.
Central control is not available with the supplied wireless
remote control. Use the optional wired remote control.
▼
Wiring for central control
The terminal block for central control wiring (
and
) is
the same as that for optional wired remote control. Connect
the central control wire to the terminals (
and
) on the
terminal block in the same way as the optional wired remote
control.
For details, refer to the Installation Manual of the applicable
central control system.
(* Display changes according to the model No. of indoor unit.)
3
4
3
4
▼
Centrally control the system by the SDI series on their own
Setting for the terminating resistor is required.
• Use switch SW01 for the setting.
• Make the terminating resistor setting only for the indoor unit with the smallest line address number.
DIP switch positions (SW01, SW02)
L
1
L
2
S
A B
U3 U4
U1
U3
U2
U4
A B
U3 U4
A B
U1
U3
U2
U4
L
1
L
2
S
L
1
L
2
S
L
1
L
2
S
L
1
L
2
S
L
1
L
2
S
Central
control
device
Central
control
device
Central control device: Up to 10 units
Refrigeration
system 1
Refrigeration
system 2
Refrigeration
system 3
Header
indoor
unit
Follower
indoor unit
Indoor unit
TCC-LINK adapter
(option)
Required for
indoor units other
than high wall type
and concealed
duct type
Remote
control wiring
Remote control
Remote control
Remote control
Group operation (up to 8 units)
(OFF at factory default)
Line address
SW01 bit1
Remarks
1
ON
Set bit1 of
SW01 to ON
2
OFF
Factory default
Outdoor unit
SW01
SW02
1
2
ON
OFF
37-EN
38-EN
+00EB99810201_01EN.book Page 19 Wednesday, June 1, 2016 2:52 PM
