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[2] Test Run Method
Operation procedure
Turn on universal power supply at least 12 hours before starting → Displaying “HO” on display panel for about two
minutes
Press
TEST
1
2
3
4
5
6
7
8
9
button twice → Displaying “TEST RUN’’ on display panel
Press
MODE
button → Make sure that air is blowing out
Press
MODE
button to change from cooling to heating operation, and vice versa Make sure that warm or cold
air is blowing out
Press
FAN SPEED
adjust button → Make sure that air blow is changed
Press
AIR DIRECTION
or
LOUVER
ON/OFF
button to change direction of air blowing make sure that horizontal or
downward blow is adjustable.
Make sure that indoor unit fans operate normally
Make sure that interlocking devices such as ventilator operate normally if any
Press button to cancel test run → Stop operation
Note 1: If check code is displayed on remote controller or remote controller does not operate normally.
2: Test run automatically stops operating after two hours by activation of timer set to two hours.
3: During test run, test run remaining time is displayed on time display section.
4: During test run, temperature of liquid pipe in indoor unit is displayed on remote controller room temperature
display section.
5: When pressing
FAN SPEED
adjust button, depending on the model, “NOT AVAILABLE” may be displayed on
remote controller. However, it is not a malfunction.
6: When pressing
AIR DIRECTION
or
LOUVER
button, depending on the model, “NOT AVAILABLE” may be
displayed on remote controller. However, it is not a malfunction.
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