Panasonic U-72MF1U9 Installation Instructions Manual page 44

Basic wiring diagram: Example (2)
No. 1 (main outdoor unit) settings
System address
(system 1 setting)
(S002) (S003)
ON
1 2
OFF
No. of
(S006)
outdoor units
ON
(3 units
1 2 3
setting)
Outdoor unit
system 1
Indoor unit
Controller
No. 2
Refrigerant
circuit
No. of
outdoor
units (2 units
setting)
To other system
link wiring
· Indoor and outdoor unit power can be turned ON for each system separately.
· Indoor and outdoor unit power cannot be turned ON for each system separately.
Automatic address setting in Heating mode
Automatic address setting in Cooling mode
If link wiring is used
No. of indoor units
(13 units setting)
(S004)
ON
(S005)
ON
ON
OFF
1 2 3
Unit
(S007)
Unit
ON
ON
number
ON
number
setting
setting
OFF (unit No. 1)
1 2 3 OFF
(unit No. 2)
Leave the socket that
Unit
is used to short-circuit
No. 1
the terminal plug.
(Main)
(CN003)
Inter-unit control wiring
1-1 1-2
Remote
No. 1 (main unit) settings
System address
No. of indoor units
(system 2 setting) (9 units setting)
(S004)
(S002) (S003)
ON
ON
1 2
(S005)
OFF
ON
ON
OFF
1 2 3
Unit
(S006)
(S007)
ON
number
ON
ON
setting
1 2 3 OFF (unit No. 1) 1 2 3
Unit
Outdoor unit
No. 1
system 2
(Main)
Indoor unit
2 1 -
Remote
Controller
Make settings as appropriate for the cases listed below.
(Refer to the instructions on the following pages.)
Fig. 7-6
44
* When multiple outdoor main units exist, remove the socket that is
used to short-circuit the terminal plug (CN003) from all outdoor
main unit PCBs except for one unit.
Alternatively, move the sockets to the "OPEN" side.
No. 2 (sub unit)
No. 3 (sub unit)
Unit
(S007)
number
ON
ON
setting
(unit No. 3)
OFF
1 2 3
Unit
No. 2
(Sub) Inter-outdoor unit
control wiring
Inter-outdoor unit
control wiring
1 3 -
Remote control
communication wiring
No. 2 (sub unit) settings
Unit
(S007)
ON
number
ON
ON
setting
(unit No. 2)
1 2 3 OFF
OFF
Unit
Move the socket to
No. 2
the "OPEN" side
(Sub)
(CN003).
Inter-outdoor unit control wiring
Inter-unit control wiring
2 2 -
Remote control
commuication wiring
Case 2
Case 3A
Case 3B
(S007)
ON
ON
OFF
2 3
1
Unit
No. 3
(Sub)
1 1 - 3
2 9 -