6. SYSTEM DESIGN
RELOCATION AND INCREASE OF UNIT6-4.
Perform the following operation when the number of indoor unit/branch box is changed or
circuit board of branch box/outdoor unit are exchanged.
The air conditioner doesn't work normally if the following operation is not performed.
OPERATION METHOD
1) Turn on both the power supplies of the outdoor unit and the branch boxes.
2) Press the "MODE/EXIT" button of the outdoor unit when all units are in stop operation state.
LED961 LED962
LED961 LED962
3) Match the 7seg.display to "F3" by press the "SELECT" button.
LED961 LED962LED961 LED962 LED961 LED962 LED961 LED962
*1 *1
(Monitoring mode) (Setting mode) (Function mode) (Error history mode)
(The display of the LED962 changes each time when the SELECT button is pressed.)
*1:The “F1”and “F9” modes are used for maintenance, so do not set them in regular operation.
4) Press the "ENTER" button.
LED961 LED962
LED961 LED962
5) Match the 7seg.display to "36" by press the "SELECT" button.
LED961 LED962
LED961 LED962
6) Press the "ENTER" button for more than 3 seconds.
LED961 LED962 LED961 LED962 LED961 LED962
ENTER
button
It returns
automati-
cally.
more than
3 seconds
7) When 7seg.display returns to "36" display, it ends press "MODE/EXIT" button.
LED961 LED962 LED961 LED962
Note: Please do not operate anything from the operation of 7) for more than one minute.
8) Perform check run (Refer to 6-2). *2
When check run is performed, the relocation and the increase are recognized.
*2: Press the check button, now "-- --" is displayed, please press check button again
- (06 - 103) -
SYSTEM
DESIGN
SYSTEM
DESIGN
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