Mitsubishi Electric PURY-100TMU, Service Handbook

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[2] Test Run Method
Operation procedure
1
Turn on universal power supply at least 12 hours before starting
→
Displaying “HO” on display panel for about two
minutes
2
Press
TEST
button twice
→
Displaying “TEST RUN’’ on display panel
3
Press
MODE
button
→
Make sure that air is blowing out
4
Press MODE button to change from cooling to heating operation, and vice versa
→
Make sure that warm or cold
air is blowing out
5
Press
FAN SPEED
adjust button
→
Make sure that air blow is changed
6
Press
AIR DIRECTION
or
LOUVER
button to change direction of air blowing make sure that horizontal or
downward blow is adjustable.
7
Make sure that indoor unit fans operate normally
8
Make sure that interlocking devices such as ventilator operate normally if any
9
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.