Toshiba MMK-AP0073H Service Manual Download

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Wiring connection for flow selector unit

How to connect the wiring of flow selector unit

Connect the power supply wire and the communication wire supplied with the flow selector unit to the
indoor unit.

1. Remove the air inlet grille. Open the air inlet grille upward and pull it toward you.

2. Remove the four screws securing the front panel.

3. Slightly open the lower part of the front panel, and then pull the upper part of the front panel toward

you to remove it from the rear plate.

4. Remove the terminal cover and the clamp base.

5. Insert the control wire fully into the control/wired remote controller terminal block and secure it tightly

with screws.

6. Connect the control wire connector of the flow selector unit to the lead with a connector to the left of

the control/wired remote controller terminal block.

7. Clamp the control wire and the control wire of the flow selector unit with the cord clamp.

8. Install the clamp base with a screw.

9. Insert the power supply wire fully into the terminal block and secure it tightly with screws.

Tightening torque: 1.2 N·m (0.12 kgf·m) Secure the earth line with the earth screw.

10. Clamp the power supply wire with the cord clamp.

11. Insert the power supply wire faston terminal of the flow selector unit into the power supply terminal.

Secure the earth line with the earth screw.

12. Clamp the power supply wire of the flow selector unit tight with the cord clamp.

13. Attach the terminal cover, the front panel and the air inlet grille to the indoor unit.

CAUTION

Confirm that every wires are stored in the electric parts box without getting caught before attaching the
terminal cover.

R(L)

S(N)

Control wire
from the
flow selector

Control wire

Connector

Cord clamp

Power supply wire

Power supply wire
of flow selector unit

Earth screw for
flow selector unit

Cord clamp

Power supply
terminal block

Terminal block for
control/wired remote
controller wiring

APPLICABLE CONTROLS

A wired remote controller is necessary for this function.

This function cannot be operate with a wireless
remote controller.

REQUIREMENT

• When you use this air conditioner for the first time, it

takes approx. 5 minutes until the remote controller
becomes available after power-on. This is normal.

It takes approx. 5 minutes until the remote control-
ler becomes available.

It takes approx. 1 minute until the remote controller
becomes available.

• Normal settings were made when the indoor unit

was shipped from factory.

Change the indoor unit settings as required.

• Use the wired remote controller to change the

settings.

∗

The settings cannot be changed using the
wireless remote controller, sub remote controller,
or remote-controllerless system (for central
remote controller only).

Therefore, install the wired remote controller to
change the settings.

Changing of settings of for ap-
plicable controls

Basic procedure for changing settings

Change the settings while the air conditioner is
not working. (Be sure to stop the air conditioner
before making settings.)

The display content for setting differs from that
on the former types of remote controller
(RBCAMT21E/AMT32E).
(The number of CODE NO. has increased.)

Procedure

Push

TEST

button and “TEMP.”

button simulta-

neously for at least 4 seconds. After a while, the
display flashes as shown in the figure.

Confirm that the CODE No. is [10].

• If the CODE No. is not [10], push

TEST

button to

erase the display content, and repeat the
procedure from the beginning.
(No operation of the remote controller is
accepted for a while after

TEST