Sanyo XM18AAB Installation Instructions Manual page 40

Basic wiring diagram: Example (2)
No. 1 Refrigerant circuit
No. 1 (main outdoor unit) settings
System address
(system 1 setting)
(S002) (S003)
ON
1
No. of
outdoor units
ON
(2 units
setting)
No. 2
Refrigerant
circuit
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
2
OFF
(S005)
ON
ON
OFF
2 3
1
Unit
(S006)
(S007)
ON
ON
number
ON
setting
1 2 3
OFF (unit No. 1)
OFF
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 (9
(system 2 setting) units setting)
(S004)
(S002) (S003)
ON
ON
1 2
OFF (S005)
ON
1 2
No. of
Unit
(S006)
outdoor ON
number
ON
units (2 units
setting
setting)
(unit No. 1)
1 2 3 OFF
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.)
* 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)
settings
Unit
(S007)
ON
number
ON
setting
(unit No. 2) OFF
1 2 3
Unit
No. 2
(Sub)
Inter-outdoor unit
Inter-unit control wiring
1-2 1-3
Remote controller
communication wiring
ON
No. 2 (sub unit) settings
OFF
3
Unit
(S007)
(S007)
number
ON
ON
ON
setting
(unit No. 2)
1
2 3 OFF
1
Move the socket to
the "OPEN" side
(CN003).
Inter-unit control wiring
2-2
Remote controller
communication
Fig. 7-6
40
control wiring
1-13
ON
2 3 OFF
Unit
No. 2
(Sub)
control wiring
Inter-outdoor unit
2-9
wiring
Case 2
Case 3A
Case 3B