Service manual

After setting all the indoor units number, push the lock button of the outdoor dialing
switch to locked position, unit number setting is unallowed. At this time, when indoor
unit receives signals from special remote controller, it will give “ Pi, Pi” sound twice to
indicate refusing to change unit number.
If finding the repeated set unit number in unit number setting, the buzzer will send “ Pi,
Pi” sound twice to refuse to set.
When setting unit number, in order to avoid setting the same number to many indoor
units, there shall be a 10 seconds interval among each setting. So that, when repeated unit
number appears, the indoor unit will automatically find out.
When setting unit number, please set the unit number in sequence and record carefully to
avoid repeated unit number setting.
The special remote controller is shown below
READ
READ
NUMBER SET
1
2
3
4
5
6
LOCK
Note: Press button 6 and at the same time in 2 seconds press button 1, then loosen them
simultaneously. The LCD will display “7”, which stands for selecting unit 7. And then
press button “set”, you can set unit 7.
Using the same method, press button 6 plus button 2, you can set unit 8.