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Wireless remote controller (Except 4-way Air Discharge Cassette type and Under Ceiling type)
1
Remove a screw which fixes the serial plate of the receiver part on the wireless remote controller.
Remove the nameplate of the receiver 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 a 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.)
Wireless remote controller (4-way Air Discharge Cassette type)
1
Turn off power of the air conditioner.
Remove the adjust corner cap attached with sensor section from the ceiling panel. For removing method,
follow to the installation manual attached to the ceiling panel.
(Be careful to handle the sensor section because cables are connected to the sensor section.)
Remove the sensor cover from the adjust corner cap. (1 screw)
2
Change Bit [1: TEST] of the switch [S003] on the sensor P.C. board from OFF to ON.
Mount the sensor cover and attach the adjust corner cap with sensors to the ceiling panel.
Turn on power of the air conditioner.
3
Push button of the wireless remote controller, and select an operation mode [COOL]
or [HEAT] with
button. (All the display lamps of the wireless remote controller sensor
section flash during the test operation.)
• Do not use operation mode other than [COOL] or [HEAT].
• Error is detected as usual.
4
When the test operation has finished, push
button to stop the operation.
5
Turn off power of the air conditioner.
Change Bit [1] of the switch [S003] on the
sensor P.C. board from ON to OFF.
Attach the adjust corner cap with
sensors to the ceiling panel.
<Test operation from outdoor unit>
Refer to “8-7-2. Function of Start/Stop the Indoor Unit from Outdoor Unit” in “8-7. Service Support Function”.
NOTE) The test operation returns to the normal operation after 60 minutes have passed.
Sensor cover
Adjust corner cap
4321
ON
Sensor P.C. board
S003
Bit 1 : OFF ON
Receiver unit
M4 × 25 screw
(2 pieces)
Small screw
Spacer
Notch
Nameplate
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