Sanyo R410A Installation Instructions Manual page 44

Basic wiring diagram: Example (2)
System address
(system 1 setting)
(S002) (S003)
ON
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. 1 (main unit) settings
No. of indoor units
(13 units setting)
(S004)
ON
2
1
OFF
(S005)
ON
ON
OFF
2 3
1
Unit
(S006)
(S007)
ON
number
ON
ON
setting
1 2 3
OFF (unit No. 1)
1 2 3
Leave the socket that
Unit
Outdoor unit
is used to short-circuit
No. 1
system 1
the terminal plug.
(Main)
(CN003)
1-1
Indoor unit
Remote
controller
No. 1 (main unit) settings
System address
No. of indoor units
(system 2 setting)
(9 units setting)
(S002) (S003)
ON
ON
1 2
OFF (S005)
ON
1
No. of
Unit
(S006)
ON
outdoor
number
ON
units (2 units
setting
setting)
(unit No. 1)
1 2 3 OFF
Outdoor unit
system 2
Indoor unit
Remote
controller
Make settings as appropriate for the cases listed below.
(Refer to the instructions on the following pages.)
* 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 1.
Alternatively, move the sockets to the "OPEN" side.
No. 2 (sub unit)
settings
Unit
(S007)
ON
number
ON
setting
OFF
(unit No. 2)
1 2 3
Unit
No. 2
(Sub)
Inter-outdoor unit control wiring
Inter-unit control wiring
1-2 1-3
Remote controller
communication wiring
(S004)
ON
No. 2 (sub unit) settings
OFF
2 3
Unit
(S007)
number
ON
ON
setting
(unit No. 2)
OFF
1 2 3
Unit
Leave the socket
No. 1
that is used to open
(Main)
circuit the terminal
plug (CN003).
Inter-unit control wiring
2-1 2-2
Remote controller
communication wiring
Fig. 7-6
44
ON
OFF
1-13
(S007)
ON
ON
OFF
1 2 3
Unit
No. 2
(Sub)
Inter-outdoor unit control wiring
Case 1
Case 2
Case 3
2-9