Toshiba MMD-AP0071SH-C Service Manual page 44

8
ELECTRIC WORK
Remote controller wiring
• As the remote controller wire has no polarity, there is no problem if connections to indoor unit terminal blocks A
and B are reversed.
<Wiring diagram>
Terminal block for
remote controller
wiring of indoor unit
A
B
Remote controller wire
(Field supply)
Wiring between indoor and outdoor units
<Wiring example>
Outdoor Power supply
380V, 50Hz
Earth leakage
breaker
Header outdoor unit
Earth
Earth
terminal L1 L2 L3 N U1 U2 U3 U4 U5 U6 terminal
Control wiring between indoor and outdoor units
Control wiring between indoor units
Indoor unit
Indoor unit
Earth Earth
L N U1 U2 A B L N
A B
Indoor power supply
Remote controller
220V, 50Hz
Earth leakage breaker
Pull box Pull box
power switch
Address setup
Set up the addresses according to the Installation Manual attached to the outdoor unit.
Terminal block
A Remote
controller unit
B
NOTE
An outdoor unit connected with control
wiring between indoor and outdoor
Outdoor Power supply
units wire becomes automatically the
380V, 50Hz
header unit.
Earth leakage
breaker
Header outdoor unit
L1 L2 L3 N U1 U2 U3 U4 U5 U6
Control wiring between outdoor units
Indoor unit
Indoor unit
Earth Earth
U1 U2 A B L N U1 U2 A B L N
A B A B
Remote controller Remote controller
Pull box
9
APPLICABLE CONTROLS
When using the equipment at the first time, it will take a lot of time that the remote controller accepts an
operation after power was on. However, it is not a trouble.
• Automatic address
• While automatic addressing, the operation cannot be performed on the remote controller.
• For automatic addressing, Max. 10 minutes (generally, approx. 5 minutes) are required.
• When power will be turned on after finish of automatic addressing;
• It will require Max. 10 minutes (generally, approx. 3 minutes) that outdoor unit starts operation after power
was on.
As all have been set to [Standard] at the shipment, change the setup of the indoor unit if necessary.
To change the setup, use the main remote controller (wired remote controller).
* The setup change for wireless remote controller, sub remote controller, or remote controller-less system
(Central control remote controller only is provided.) is impossible. In these cases, prepare and mount a
separate main remote controller.
Exchange of applicable control setup
Basic operation procedure for setup exchange
Change the setup while operation of the equipment stops.
(Be sure to stop the operation of a set.)
Procedure
SET
When pushing ,
flashes as shown in the figure.
Check that the displayed item code is [10].
• If the item code indicates other than [10], push
1
the display, and then retry the operation from the first step.
(For some time after
the remote controller cannot be accepted.)
(In a group control, the firstly displayed
indoor unit No. becomes the header unit.)
UNIT
Every pushing
U1 U2 A B
Select an indoor unit of which setup to be changed.
2
In this time, the position of the indoor unit of which setup to be changed can
be confirmed because the fan and the flap of the selected indoor unit work.
Using , buttons of set temperature, specify the item
3
**
code [ ].
Using , buttons of timer time, select set data [
4
SET
Push button. In this time, if the display changes from flashing to lighting, the setup completes.
• To change the setup of an indoor unit other than the selected one, start operation from Procedure
5
• To change the setup of another setup in the selected indoor unit, start operation from Procedure
CL
Pushing button clears the set up contents which have been already set. In this case, retry from Procedure
When the setup finished, push
TEST
Pushing button deletes the display and returns the status to
6
normal stop status.
(For some time after
remote controller cannot be accepted.)
NOTIFICATION
4
1
FILTER
RESET TEST
6
Description
CL TEST
, and buttons simultaneously for 4 seconds or more, after a while, the display part
TEST
button to erase
TEST
button has been pushed, the operation of
button, the indoor unit No. in the group control is displayed successively.
****
].
TEST
button. (The setup is determined.)
TEST
button has been pushed, the operation of the
CODE No.
UNIT No.
R.C. No.
TEMP. ON / OFF
3
TIMER SET FAN MODE
2
TIME SWING/FIX VENT
SET CL UNIT
5
CODE No.
∗
SETTING
UNIT No.
R.C. No.
(* The display changes according
to the indoor unit model.)
∗∗
CODE No.
∗∗ ∗ ∗
∗ UNIT No. ∗ ∗∗
R.C. No.
2
.
3
.
2
.