Panasonic S-71PU1E5A - Page 300

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Automatic Address Setting
Basic wiring diagram
(1) Turn on the indoor and outdoor unit power for refrigerant system 1.
Short-circuit the AUTO ADD (CN041) pin.
(2) Next, turn ON the power only at the indoor and outdoor units in a different system. Short-circuit the AUTO ADD
(CN041) pin.
(3) Operation using the remote controller is now possible.
Communication for automatic address setting begins.
<Approximately 4 – 5 minutes are required.>
LED 1 and 2 on the outdoor unit control PCB blink alternately, and turn OFF when address setting is completed.
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.
Automatic address setting from the outdoor unit (U1, T2, F1, N1 types)
Case 1
Link wiring
If the power can be turned ON separately for the indoor and outdoor units in each system:
The indoor unit addresses can be set without running the compressor.
Be sure to use a jig for short-circuiting.
NOTE
A terminal plug (black) is attached to each of the outdoor unit control PCBs.
At only one outdoor unit, leave the terminal plug shortcircuit socket on the “Yes” side.
At all the other outdoor units, change the socket (from “Yes” to “No”).
A maximum of 8 indoor units can be connected to 1 remote controller for group control.
3-1
3-2
1-1
1-2
2-1
2-2
System address
rotary switch on
the outdoor unit
PCB
Terminal board 1, 2
Inter-unit
control
wiring
(Change setting to “1”)
Refrigerant
system No. 1
No. 1
Remote control communication
wiring for group control
Terminal board 1, 2
Outdoor unit
(Change setting to “2”)
Refrigerant
system No. 2
No. 2
Change the
terminal
plug (black)
short-circuit
socket
No. 3
Change the
terminal plug
(black) short-circuit
socket
Remote controller
(Change setting to “3”)
Refrigerant
system No. 3
Inter-unit control
wiring
Remote controllerRemote controller
Indoor unit
↓
↓
↓
↓
↓
↓
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