Mitsubishi Electric FDT125VNVF Technical Manual page 488

④ Remotecontroller
Installation of the controller holder
Caution
DO NOT install it on the following places
1) Places exposed to direct sunlight
2) Places near heat devices
3) High humidity places
4) Hot surface or cold surface enough to generate
condensation
5) Places exposed to oil mist or steam directly
6) Uneven surface
Installation tips for the remote controller holder
• Adjust and keep the holder upright.
• Tighten the screw to the end to avoid scratching
the remote controller.
• DO NOT attach the holder to plaster wall.
How to insert batteries
① Detach the back lid.
② Insert the batteries. (two AAA batteries)
③ Reattach the back lid.
⑤ Cooling test run operation
● After safety con rmation, turn on the power.
● Transmit a cooling operation command with wireless remote controller, while the backup
button on the receiver is pressed.
● If the backup button on the receiver is pressed during a test run, it will end the test run.
● If you cannot operate the unit properly during a test run, please check by consulting with
inspection guides on the wiring diagram of outdoor units.
Back-up button
CHECK MODE
FILTER TIMER
CHECK
⑥ Setting of wireless remote controller and receiver
(A) Methods of avoiding the malfunction due to the mixed communication
Do both procedures ① and ②.
This setting is to avoid the mixed communication with other household electric
appliances or the mixed communication when two receivers are located closely.
①Setting change of the wireless remote controller
Pressing ACL and AIRFLOW button at the same time or inserting the batteries
with pressing AIRFLOW button will customize the signal.
Note *When the batteries are removed, the setting will return to the default setting.
Make sure to reset it when the batteries are replaced.
②Setting the PCB of the receiver
Turn SW1-1 off.
● Wireless remote controller ● PCB of the receiver
Setting to
avoid mixed
communication.
Customized signal setting to
SW1-1
avoid mixed communication
SW1-2 Receiver master/slave setting
SW1-4 Auto restart
Holder for
remote
controller
Wood screw
ON/
OFF
CHECK
RUN/
CHECK
SW1-1
(Customized signal
SW1-4
setting to avoid
(Auto restart)
mixed communication)
SW1-2
(Receiver master/slave
setting)
ON : Nor mal
OFF : Rem ot e
ON : Mast er
OFF : S lave
ON : Valid
OFF : I nvalid
: Default setting
(B) Control plural indoor units with one remote controller
Up to 16 indoor units can be connected.
①Connect the XY terminal with 2-core wire.
As for the size, refer to the following note.
②For Packaged air conditioner series, set the
indoor unit address with SW2 on the indoor
unit PCB from [0] to [F] so as not to duplicate.
Terminal block
Indoor unit (1)
Address (0)
KIT
Remote controller
③For VRF series, set the indoor unit address with SW1, SW2 and SW5-2 on the
indoor unit PCB from [000] to [127] so as not to duplicate.
(C) Master/Slave setting when using plural remote controller
Up to two receivers can be installed in one indoor unit group.
Indoor unit
Remote controller line
(Non-polarized)
RCN-KIT RCN-KIT
SW1[Master] SW1[Slave]
(D) Change setting of auto mode operation
Auto mode operation is prohibited to be selected for KX models (except for KXR
models).
Therefore be sure to change setting of remote controller to disable the auto mode
operation for these models according to the following procedure.
While pressing the MODE button, press the ACL switch, or while pressing the
MODE button, insert the batteries to the remote controller. Then the auto mode
can be invalid.
Attention
When the batteries are removed, it is returned to initial setting (Auto mode
becomes valid).
Accordingly when replacing the batteries, be sure to perform the above operation
once again.
(E) Change setting of fan speed
While pressing the FAN SPEED button, press the ACL switch, or while pressing
the FAN SPEED button, insert the batteries to the remote controller. Then the
fan speed can be changed from 2-speed setting to 3-speed setting.
When changing fan speed setting of remote controller, be sure to perform the same
fan speed setting as that of the indoor unit model to be used.
Attention
When the batteries are removed, it is returned to initial setting (Fan speed setting
is 2-speed).
Accordingly when replacing the batteries, be sure to perform the above operation
once again.
487
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'12 • PAC-T-174
Restrictions on the thickness and length of wire
(Maximun total extension 600m.)
Standard Within 100m x 0.3 mm
Within 200m x 0.5 mm
Within 300m x 0.75mm
Within 400m x 1.25mm
Within 600m x 2.0 mm
Indoor unit (2) Indoor unit (16)
Address (1) Address (F)
Switch Setting Function
ON Master
SW1-2
OFF Slave
2
2
2
2
2