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6.2. Dual remote control
•
Depending on the model, some indoor units cannot be
connected for dual remote controllers. (Option is not
available for U.S.A. wall mounted type indoor unit.)
•
2 separate remote controllers can be used to operate the
indoor units.
•
The timer and self-diagnosis functions cannot be
used on the slave units.
(1) Wiring method (indoor unit to remote controller)
Indoor unit
1 2 3
1 2 3
Master unit
Remote controller
(2) Remote controller DIP switch 1 setting
Set the remote controller DIP switch 1-No. 2 according to
the following table.
Number of remote
controllers
DIP Switch 1-No. 2 DIP Switch 1-No. 2
1 (Normal)
2 (Dual)
7. TURNING ON THE POWER
•
Recheck the wiring. Incorrect wiring will cause trouble.
(1) Check the remote controller wiring and DIP switch settings.
(2) Install the front case.
* When installing the front case, connect the connector
to the front case (in 5. INSTALLING THE REMOTE
CONNTROLLER).
(3) Check the indoor and outdoor unit wiring and circuit board
switch settings, and then turn on the indoor and outdoor
9c
units. After "
" has fl ashed on the set temperature
display for several seconds, the clock display will appear in
the center of the remote controller display.
En-6
Remote controller cable
1 2 3
Slave unit
Master unit
Slave unit
OFF
OFF
ON
CAUTION
SU MO TU WE TH FR SA
8. SETTING THE ROOM TEMPERATURE
DETECTION LOCATION
•
The detection location of the room temperature can be
selected from the following 2 examples. Choose the
detection location that is best for the installation location.
A. Indoor unit setting (factory setting)
The room temperature is detected by the indoor unit
temperature sensor.
(1) When the "
pressed, the lock display fl ashes because the function is
locked at the factory.
B. Indoor unit/remote controller setting (room temperature
sensor selection)
The temperature sensor of the indoor unit or the remote
controller can be used to detect the room temperature.
When use this function, set "Indoor Room Temperature
Sensor Switching Function (Function Number:42)" of "9.
FUNCTION SETTING" to "Yes(01)".
(1) Enable the room temperature sensor selection in
FUNCTION SETTING, which will be described later.
–
(2) Press the "
seconds or more to select the temperature sensor of the
indoor unit or the remote controller.
As the temperature sensor of remote controller detects the
temperature near the wall, when there is a certain difference
between the room temperature and the wall temperature, the
sensor will not detect the room temperature correctly sometimes.
Especially when the outer side of the wall on which the
sensor is positioned is exposed to the open air, it is
recommended to use the temperature sensor of the indoor
unit to detect the room temperature when the indoor and
outdoor temperature difference is signifi cant.
The temperature sensor of the remote controller is not
only used when there is a problem in the detection of the
temperature sensor of the indoor unit.
A
B
CAUTION
When select the "Remote controller setting", if
the detected temperature value between the
temperature sensor of the indoor unit and the
temperature sensor of the remote controller
varies signifi cantly, it is likely to return to the
control status of temperature sensor of the
indoor unit temporarily.
" button is
Indoor unit
" button for 5
Indoor unit
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