4
- 10
4
Test Run and Others
2. Test Run
1-1
1-2
2-1
2-2
2-7
1-3
1-6
2
7
7
ON
1
2
ON
OFF
Automatic address setting in Heating mode
Automatic address setting in Cooling mode
* When multiple outdoor units exist, remove the socket that
is used to short-circuit the terminal plug (CN33) from all
outdoor unit PCBs except for 1.
Alternatively, move the sockets to the “OPEN” side.
Leave the socket
that is used to
short-circuit the
terminal plug.
(CN33)
To other system
link wiring
Case 2
Case 1
Case 3
Make settings as appropriate for the cases listed below.
(Refer to the instructions on the following pages.)
Leave the socket
that is used to open
circuit the terminal
plug (CN33).
6
(S004)
1
ON
1
2
ON
OFF
(S003)
(S002)
No. 1 unit settings
Unit
No. 1
Outdoor unit
system 1
Unit
No. 1
Outdoor unit
Indoor unit
Remote
controller
Indoor unit
Remote
controller
Inter-unit control wiring
Inter-unit control wiring
Remote controller
communication wiring
Remote controller
cross-over wiring
(S004)
(S003)
(S002)
No. 2 unit settings
System address
(system 1 setting)
System address
(system 2 setting)
No. of indoor units
(6 units setting)
system 2
No. of indoor units
(7 units setting)
If link wiring is used
If link wiring is used
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.
Basic wiring diagram: Example (2)
Fig. 5-12
