Mitsubishi Heavy Industries FDC Series Technical Manual Download

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499

'12 • PAC-T-173

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.

Detach the back lid.

Insert the batteries. (two AAA batteries)

Reattach the back lid.

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.

Wood screw

Holder for
remote
controller

This setting is to avoid the mixed communication with other household electric

appliances or the mixed communication when two receivers are located closely.

Setting 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.

Setting the PCB of the receiver

Turn SW1-1 off.

Do both procedures

and

Wireless remote controller

Setting to
avoid mixed
communication.

PCB of the receiver

SW1-4
(Auto restart)

SW1-1
(Customized signal
setting to avoid
mixed communication)

SW1-2
(Receiver master/slave
setting)

SW1-1

Customized signal setting to
avoid mixed communication

: N o r m a l

OFF : R e m o t e

SW1-2

Receiver master/slave setting

: M a s t e r

OFF : S l ave

SW1-4

Auto restart

: Va l i d

OFF : I nva l i d

: Default setting

Up to 16 indoor units can be connected.

Connect the XY terminal with 2-core wire.

As for the size, refer to the following note.

For 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.

For 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.

KIT

Restrictions on the thickness and length of wire
(Maximun total extension 600m.)

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

Standard

Terminal block

Remote controller

Indoor unit (1)
Address (0)

Indoor unit (2)
Address (1)

Indoor unit (16)
Address (F)

Up to two receivers can be installed in one indoor unit group.

Switch

Setting

Function

SW1-2

Master

OFF

Slave

Indoor unit

RCN-KIT
SW1[Master]

RCN-KIT
SW1[Slave]

Remote controller line
(Non-polarized)

Remotecontroller

How to insert batteries

Cooling test run operation

(A) Methods of avoiding the malfunction due to the mixed communication

(B) Control plural indoor units with one remote controller

(C) Master/Slave setting when using plural remote controller

Setting of wireless remote controller and receiver

CHECK MODE

ON/

OFF

CHECK

FILTER

CHECK

TIMER

RUN/

CHECK

Back-up button

(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.