Toshiba RAV-SM307KRTP-E Installation Manual page 17

■ 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 flashes 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 first 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 confirmed 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
None
0000
(factory default)
0001 8 °C Operation setting
5
Push button.
In this time, the setup finishes when the display
changes from flashing 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.)
31-EN
■ 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 (
) is the same as that for optional wired remote
4
controller. Connect the central control wire to the
terminals ( and ) on the terminal block in the
3 4
same way as the optional wired remote controller.
For details, refer to the installation manual of the
applicable central control system.
Wired remote
controller wire
Earth screw
/
/
▼ 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.
Central Central
control control
device device
U1 U2 U1 U2
U3 U4 U3 U4
and
3
Refrigeration
system 1
Outdoor
unit
Terminal block
for wired remote
controller / central
control wiring
U3 U4
Indoor
unit
Cord clamp
Remote controller
Line address
SW01 bit1
Remarks
– 16 –
Central control device: Up to 10 units
Refrigeration Refrigeration
system 2 system 3
1 2 3 1 2 3 1 2 3
Header
indoor
Follower Follower
unit
indoor unit indoor unit
1 2 3 1 2 3 1 2 3
U3 U4
A B A B A B
TCC-LINK
adapter (option)
Required for
indoor units Remote
other than high
controller
wall type wiring
Remote controller Remote controller
Group operation (up to 8 units)
Set bit1 of
Factory default Factory default
SW01 to ON
Refrigeration
system 4
1 2 3
System interconnection wire
(AC 220-240 V serial)
Central control wires
*Connect 1 and 2 only
Header Follower
indoor unit
indoor unit
1 2 3 1 2 3 1 2 3
U3 U4
A B A B A B
Remote controller
Twin and triple system (example of triple system)
(OFF at factory default)
32-EN