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30
NOTE
Do not use a forced operation in cases other
than test operation because it applies an
excessive load onto the air conditioner.
In case of wired remote controller
1, 5
3
2, 4
ON / OFF
FAN
TEMP.
SWING/FIXTIME
MODE
VENT
UNITSET CL
FILTER
RESET
TEST
TIMER SET
How to execute test operation
• To carry out a fan operation in a single indoor unit, firstly turn off the power supply to the unit. Then short CN72
found on the P.C. board. Once completed turn the power to the unit back on and start the unit in FAN only mode.
Upon completion of the test do not forget to remove the short circuit on CN72.
• Using the remote controller, check the unit is in normal operation. For the operation procedure, refer to the
supplied Owner’s Manual. A forced test operation can be executed in the following procedure under the condition
of thermo.-OFF of room temperature.
In order to prevent the test operation from running continuously, the operation will cease after a period of
60 minutes. The unit will then return back to its original operation.
8
TEST RUN
Before test operation
• Before turning on the power supply, carry out the following
procedures.
1) Using 500V-megger, check there is 1MΩ or more between the
terminal block of the power supply and the earth.
If 1MΩ or less is detected, do not run the unit.
2) Check that all the valves of the outdoor unit are fully opened.
WARNING
To protect the compressor at
startup. Ensure the power supply
is left on for 12 or more hours
before operation.
• Never push the electromagnetic contactor to carry out a forced test operation.
(It is very dangerous because a protective device does not work.)
TEST
Procedure
1
2
3
4
5
Description
Keep the
TES
T
button pushed down for 4 seconds or more.
[TEST] is displayed on the display part and the selection of the test mode is
permitted.
Push
ON / OFF
button.
Using
MODE
button, select the operation mode, [COOL] or [HEAT].
• Do not run the air conditioner in a mode other than [COOL] or [HEAT].
• The temperature controlling function will not work during the test operation.
• Fault detection will perform as usual.
After the test operation, push the
ON / OFF
button to stop the operation.
(Display part is the same as procedure
1
)
Push the
TES
T
button to cancel (release from) the test operation mode.
([TEST] disappears on the display part and the status returns to normal.)
In case of wireless remote controller
Receiver unit
M4 × 25 screw
(2 pieces)
Small screw
Spacer
Notch
Nameplate
Procedure
1
2
3
4
Description
Remove a small screw which fixes the nameplate of the receiver unit.
Remove the nameplate of the sensor 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].
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.
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.
After the test operation finished, stop the air conditioner from the wireless remote controller, and return Dip
switch of the receiver section as before.
(A 60-minutes timer clearing function is attached to the receiver section in order to prevent a continuous test
operation.)