Test Run
5
- 7
1
2
3
4
5
6
7
8
4. Auto Address Setting
2
9
2
1
ON
3
ON
1
2
3
ON
1
2
3
3
2
1
ON
ON
1
2
3
ON
1
2
2
ON
1
3
1
3
1
ON
3
2
ON
1
2
2
ON
1
3
3
2
1
ON
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Case 3A
Case 2
Case 3B
(S006)
(S007)
(S005)
(S004)
(S003)
(S002)
Unit
(Sub)
Unit
(Main)
Remote control
communication wiring
(S007)
(S006)
(S007)
(S005)
(S004)
(S003)
(S002)
•
*
Basic wiring diagram: Example (2)
No. 1 (main outdoor unit) settings
If link wiring is used
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. 3 (sub unit)
No. 2 (sub unit)
Unit
number
setting
(unit No. 2)
Unit
number
setting
(unit No. 3)
ON
OFF
(S007)
(S007)
Unit
No. 3
(Sub)
Unit
No. 2
(Sub)
Leave the socket that
is used to short-circuit
the terminal plug.
(CN003)
Unit
No. 1
(Main)
No. of
outdoor units
(3 units
setting)
Unit
number
setting
(unit No. 1)
No. of indoor units
(13 units setting)
System address
(system 1 setting)
Outdoor unit
system 1
Indoor unit
Remote
controller
Inter-unit control wiring
No. 2
Refrigerant
circuit
No. 1 (main unit) settings
System address
(system 2 setting)
No. of indoor units
(9 units setting)
No. of
outdoor
units (2 units
setting)
Unit
number
setting
(unit No. 1)
No. 2 (sub unit) settings
Unit
number
setting
(unit No. 2)
No. 1
Outdoor unit
system 2
Move the socket to
the “OPEN” side
(CN003).
1-13
1-3
1-2
1-1
Inter-unit control wiring
To other system
link wiring
Indoor unit
Remote
controller
Remote control
communication wiring
Make settings as appropriate for the cases listed below.
(Refer to the instructions on the following pages.)
· 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
2-1
2-2
2-9
No. 2
Inter-outdoor unit
control wiring
Inter-outdoor unit control wiring
Inter-outdoor unit control wiring
Fig. 5-6
TD831158-00̲3WAY̲VRF̲SYS.indb 7
TD831158-00̲3WAY̲VRF̲SYS.indb 7
2012/01/24 10:54:20
2012/01/24 10:54:20
Summary of Contents for U-72MF1U9
Page 118: ...Section 8 TENTATIVE ...