Wireless Kit; Fdt Series (Rcn-T-36W-E); Preparation Before Installation - Mitsubishi Electric FDT125VNVF Technical Manual

3.1 WIRELES KIT

3.1.1 FDT Series (RCN-T-36W-E)

● 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.
(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.
● 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.
Attention
Instruct the customer how to operate it correctly referring to the instruction manual.
For the installation method of the air conditioner itself, refer to the installation manual enclosed in the
package.
Accessories
Please make sure that you have all of the following accessories.
Receiver
Wireless
remote
controller
Parts set
How to install the receiver
The receiver can be installed by replacing with a corner panel on the applicable decorative panel.

Preparation before installation

① Attach the decorative panel onto the air conditioner according to the installation manual for
the panel.
② Remove the air return grille.
③ Remove a corner panel located on the refrigerant pipes side.
④ Remove three screws and detach the cover (indicated as shadowed area) from the control
box of the air conditioner.
Refrigerant pipes
Setting on site
① 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
WARNING
CAUTION
(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
Remote controller
holder
Wood screw for holder
AAA dry cell battery
(RO3)
Drain pipe
Normal
Remote
Master
Slave
Valid
Invalid
Valid
Invalid
<To change the settings>
② Remove the cover by unscrewing two screws from the back of receiver.
③ Change the setting by the switch on PCB.
Screws
Receiver Backside
④ When SW1 is turned to OFF position, change the corresponding remote controller setting as
follows:
How to change the remote controller setting
Pressing ACL and AIR FLOW button at the same time or
inserting the batteries with pressing AIR FLOW button will
customize the signal.
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
① Loosen the bolts which fix the panel and make a gap between the panel and the indoor unit
② Put the wiring of the receiver through the opening.
③ Put the wiring on the notch on the control box so as not to be pinched by the control box and lid as
shown below.
④ Connect the wiring to the terminal block provided in the control box. (Non- polarized)
⑤ Attach the receiver to the panel according to the panel installation manual.
⑥ Fix the wiring with the clamp so that the wiring do not contact the edge of control box's metal sheet.
⑦ Reattach the control box lid with 3 screws removed.
※ Note: Make sure the wires not to be pinched by any other parts like panel, control box and indoor unit.
478
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'12 • PAC-T-174
PJF012D010
Default settings
Switch
Cover Backside
Radio interference prevention mode
Terminal block in the indoor
unit control box
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