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4-3-1 (9) Trial operation for central controller (TCB-SC642TLE)
1
Test run of the central controller
(1) Power on for all indoor units. Next, power on for central controller.
will flash, checking the indoor unit address automatically.
(2) If group No. displayed on central controllers is not same as indoor unit No.*
* In case of group control, main unit No. only.
2
How to perform an air conditioner test run
(1) Hold down the
• During the test run, "TEST" appears on the LCD display.
(2) Press the
• The temperature cannot be adjusted at the "TEST" position.
Do not use this procedure except when performing a test run since it will strain the equipment.
(3) Upon completion of the operation, press the
display has gone off.
button of the central controller for at least four seconds.
and
buttons.
button, and check that "TEST" on the LCD
73
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