31-EN
32-EN
– 16 –
■
8 °C operation (SDI series4
and DI series4 only)
Pre-heating operation can be set for cold regions
where room temperature drops to below zero.
1
Push + + buttons simultaneously
for 4 seconds or more when the air
conditioner is not working.
After a while, the display part
fl
ashes as
shown below. Check the Displayed CODE No.
is [10].
When the CODE No. is other than [
10
], push
button to erase the display and repeat procedure
from the
fi
rst step.
(After pushing button, operation of the remote
controller is not accepted for approx. 1 minute.)
(* Display changes according to the
model No. of indoor unit.)
2
Every
time
button is pushed, the
indoor unit No. in the group control is
displayed in order. Select the indoor unit
of which setup is changed. In this time, the
position of the indoor unit of which setup is
changed can be con
fi
rmed because fan of
the selected indoor unit operate.
3
Specify CODE No. [d1] TEMP.
/
buttons.
4
Select SET DATA [0001] TIME
/
buttons.
SET DATA
8 °C Operation setting
0000
None
(factory default)
0001
8 °C Operation setting
5
Push button.
In this time, the setup
fi
nishes when the display
changes from
fl
ashing to lighting.
6
Push
button. (setup is determined.)
When button is pushed, the display disappears
and the status becomes the usual stop status.
(when button is pushed the operation from the
remote controller 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 controller. Use the optional wired
remote controller.
▼
Wiring for central control
The terminal block for central control wiring (
3
and
4
) is the same as that for optional wired remote
controller. Connect the central control wire to the
terminals (
3
and
4
) on the terminal block in the
same way as the optional wired remote controller.
For details, refer to the installation manual of the
applicable central control system.
Earth screw
Wired remote
controller wire
Terminal block
for wired remote
controller / central
control wiring
Cord clamp
▼
Centrally control the system by the SDI, DI 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.
1 2 3
A B
U3 U4
U1
U3
U2
U4
A B
U3 U4
A B
U1
U3
U2
U4
1 2 3
1 2 3
1 2 3
1 2 3
A B
U3 U4
1 2 3
1 2 3
A B
1 2 3
1 2 3
A B
1 2 3
Central
control
device
Central
control
device
Central control device: Up to 10 units
Refrigeration
system 1
Refrigeration
system 2
Refrigeration
system 3
Refrigeration
system 4
Indoor
unit
Outdoor
unit
Header
indoor
unit
Header
indoor unit
TCC-LINK
adapter (option)
Required for
indoor units
other than high
wall type
Remote
controller
wiring
Remote controller
Remote controller
Remote controller
Remote controller
Group operation (up to 8 units)
(OFF at factory default)
Line address
SW01 bit1
Remarks
Set bit1 of
SW01 to ON
Factory default
Factory default
Twin and triple system (example of triple system)
Follower
indoor unit
Follower
indoor unit
Follower
indoor unit
*Connect 1 and 2 only
Central control wires
System interconnection wire
(AC 220-240 V serial)
1111056499_(01)_EN.indb 16
1111056499_(01)_EN.indb 16
10/13/14 9:13 AM
10/13/14 9:13 AM