3.4 Code matching
1) If noise occurs due to other interruptions, change channel by shifting the (A/B/C) channels on the indoor
unit.
2) One outdoor unit to one indoor unit: After the new channel is chosen, press the outdoor unit ring bell once,
and they will be shifted to the new channel automatically.
3) One outdoor unit to multiple indoor units : After the new channel is chosen, match every indoor unit with
the outdoor unit again to resume normal Operation.
The units are normally matched before delivery. If necessary, please perform the code matching according
to the following steps:
1) Turn off the indoor unit;
2) Press and hold the TALK button of the indoor unit, and turn on the rotation button at the same time.
When the Low Battery (In) blue light at the center of the indoor unit flashes rapidly, press the ring bell
of the outdoor unit. You can hear” Du” sound and blue light stops blinking, then you press the ring bell
of outdoor unit again, at this time, the red, blue and green lights will simultaneously flash for 20 seconds,
which shows that the matching is completed. Then, indoor and outdoor communication can be carried
out normally.
Note:
1) Make sure the battery of the indoor and outdoor units are charged before code matching.
2) Make sure the channel switch of the indoor units are at same position, A, B or C.
1)If you want add extra indoor unit to setup you need take code matching with outdoor unit before use it .
Refer to Code matching process.
2) When one outdoor unit is matched with multiple indoor units, all indoor units will ring when someone
presses the outdoor ring bell button. When any one of these indoor units are connected, all the other
units stops ringing, and the person at the outdoor unit will be connected to that indoor unit. The
conversation will not be heard from other units. When all of indoor persons press TALK button all of
persons can talk with outdoor person.
3.5 Added extra indoor unit to setup
3.6 Channel change