Mitsubishi Heavy Industries FDC Series Technical Manual Download

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'12 • PAC-T-173

Pressing ACL switch with AIR FLOW button kept pressing or

inserting the batteries with pressing AIR FLOW button will

customize the signal.

Instruct the customer how to operate it correctly referring to the instruction manual.

Accessories

Please make sure that you have all of the following accessories.

Receiver

Wireless

remote

controller

Parts set

Remote controller

holder

Wood screw for holder

AAA dry cell battery

(RO3)

<To change the settings>

Remove the cover by unscrewing two screws from the back of receiver.

Change the setting by the switch on PCB.

Default settings

When SW1 is turned to OFF position, change the corresponding remote controller setting as

follows:

How to change the remote controller setting

Note

When the batteries are removed, the setting will return

to the default setting.

Please make sure to reset it when the batteries are

replaced.

Caution

Instruct the customer to set the mentioned above when
replacing the batteries.
(How to set is also mentioned in the user’s manual
attached on the air conditioner.)

Installation of the receiver

Attach the receiver to the panel according to the panel installation manual.

Remove two screws and detach the lid from the control box.

Put the wiring in the control box with other wiring as shown below.

Connect the wiring to the terminal block (X,Y) provided in the control box.(Non-polarized)

Fix the wiring with the clamp as shown below.

Reattach the control box lid with 2 screws removed.

Note: Make sure wires not to be pinched by any other parts like panel and control box.

Terminal block ( X,Y ) in the indoor
unit control box

How to install the receiver

The receiver can be installed by replacing with a corner panel on the applicable decorative panel.

Preparation before installation

Attach the decorative panel onto the air conditioner according to the installation manual for

the panel.

Remove the air return grille.

Remove a corner panel located on the refrigerant pipes side.

Remove two screws and detach the lid from the control box of the air conditioner.

Setting on site

PCB on the receiver has the following switches to set the functions. Default setting is shown

with mark.

Customized signal setting to avoid
mixed communication

Receiver master/slave setting

Buzzer valid/Invalid

Auto restart

Normal
Remote

Master
Slave

Valid
Invalid

Fasten the wiring to the terminal securely and hold the cable securely so as not to apply

unexpected stress on the terminal.

Loose connection or hold will cause abnormal heat generation or fire.

Make sure the power supply is turned off when electric wiring work.

Otherwise, electric shock, malfunction and improper running may occur.

DO NOT install the wireless kit at the following places in order to avoid malfunction.

DO NOT leave the wireless kit without the cover.
In case the cover needs to be detached, protect the receiver with a packaging box or bag
in order to keep it away from water and dust.

(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
(7) Places affected by the direct airflow of the

AC unit.

(8) Places where the receiver is influenced by

the fluorescent lamp (especially inverter
type) or sunlight.

(9) Places where the receiver is affected by

infrared rays of any other communication
devices

(10)Places where some object may obstruct the

communication with the remote controller

Radio interference prevention mode

Drain plug

Drain pipe

Refrigerant pipes

WARNING

CAUTION

For the installation method of the air conditioner itself, refer to the installation manual enclosed in the
package.

Terminal block(X,Y)

Wiring

Clamp

Control box

Receiver Backside

Cover

Backside

Screws

3.1.2 FDTC Series (RCN-TC-24W-ER)

PJA012D758

Notes :
Following functions of FDTC Type-F indoor unit series are not able to be set with this wireless remote control (RCN-TC-24W-ER).
1. Individual flap control system
2. 4-fan speed setting (P-Hi/Hi/Me/Lo)

3-fan speed setting (Hi/Me/Lo)