Service Manual

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8. SETUP AT LOCAL SITE AND OTHERS

8-1. Indoor Unit

8-1-1. Test Run Setup on Remote Controller

1. When pushing

button on the remote controller for 4 seconds or more, “TEST” is displayed on LC display.

Then push

ON / OFF

button.

• “TEST” is displayed on LC display during operation of Test Run.

• During Test Run, temperature cannot be adjusted but air volume can be selected.

• In heating and cooling operation, a command to fix the Test Run frequency is output.

• Detection of error is performed as usual. However, do not use this function except case of Test Run

because it applies load on the unit.

2. Use either heating or cooling operation mode for [TEST].

NOTE : The outdoor unit does not operate after power has been turned on or for approx. 3 minutes after

operation has stopped.

3. After a Test Run has finished, push

button again and check that [TEST] on LC display has gone off.

(To prevent a continuous test run operation, 60-minutes timer release function is provided to this remote

controller.)

(Compact 4-way Cassette Type and Concealed Duct Type)

1 Remove a screw which fixes the serial olate of the receiver part on the wireless remote controller.

Remove the nameplate of the reciver section by inserting a minus screwdriver, etc. into the notch at the

bottom of the plate, and set the Dip switch to [TEST RUN ON].

2 Execute a test operation with button on the wireless remote controller.

• , and LED flash during test operation.

• Under status of [TEST RUN ON], the temperature adjustment from the wireless remote controller is

invalid.

Do not use this method in the operation other than test operation because the equipment is damaged.

3 Use either [COOL] or [HEAT] operation mode for test operation.

• The outdoor unit does not operate approx. 3 minutes after power-ON and operation stop.

4 After the test operation finished, stop the air conditioner from the wireless remote controller,

and return Dip switch of the sensor section as before.

(A 60 minutes timer clearing function is attached to the sensor section in order to prevent a continuous test

operation.)

Receiver unit

M4 × 25 screw

(2 pieces)

Small screw

Spacer

Notch

Nameplate