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10-16-4. Automatic address setting from the outdoor unit
When there are multiple outdoor units as shown in basic wiring diagram 2
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If the power can be turned ON separately for the indoor and outdoor units in each system (indoor unit addresses
can be set without operating the compressor):
(1) Turn ON the indoor and outdoor unit power for refrigerant system 1.
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Press and hold the automatic address setting button (black) for 1 second or longer at the outdoor unit where the
power was turned ON.
Communication for automatic address setting begins. LED 1 and 2 on the outdoor unit control PCB blink
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alternately, and turn OFF when address setting is completed.
(2) Next, turn ON the power only at the indoor and outdoor units in a different system. Press the automatic address
setting button (black) on the outdoor unit.
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LED 1 and 2 on the outdoor unit control PCB blink alternately, and turn OFF when address setting is completed.
Repeat the same procedure for each system and complete automatic address setting.
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(3) Operation using the remote controller is now possible.
10-16-5. Indoor unit remote controller main-sub setting
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When multiple wall-mounted indoor units are installed for group control in a simultaneous-operation multi sys-
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tem, set the control PCB at the No. 2 and following wall-mounted units to "Sub remote control".
If a wired remote controller is used, set the wired remote controller to "Sub".
If 2 wireless remote controllers are used, set the wireless PCB (DIP switch) on the second remote controller to
"Sub".
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10-16-6. Indoor unit address setting
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If multiple single-type units are installed in the same room, the addresses can be set to prevent signal interfer-
ence.
By coordinating the numbers of the indoor unit (wireless PCB) and remote controller addresses, up to 6 indoor
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units can be controlled independently by their respective remote controllers.
Independent control is not possible when a simultaneous-operation multi system is used.
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Checking the addresses
Press the remote controller address button to display the current address on the remote controller display.
If this address matches the indoor unit (wireless PCB) address, the buzzer will sound.
(If ALL is set, the buzzer will always sound.)
If ALL is set, operation is possible regardless of the indoor unit address.
Point the remote controller toward the receiver (indoor unit) that you wish to operate, and send the operation sig-
nal.
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Remote controller address setting
Press and hold the address button for 4 seconds or longer to display the address on the remote controller dis-
play. The current address starts blinking.
The address changes each time the remote controller address button is pressed: ALL → 1 → 2 → 3 → ... → 6.
Set the address to match the remote controller you wish to operate.
When the SET button is pressed, the address stops blinking and displays for 5 seconds. The buzzer sounds if
the address matches the indoor unit.
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<Approximately 4 – 5 minutes are required.>
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2007/07/25 13:21:51
2007/07/25 13:21:51
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