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2FAN_IM_DB04307201-04_EN.book Page 31 Tuesday, December 17, 2019 6:34 PM
SW06
SW11
SW16
SW30
SW30
9
Connect the relay connectors "CN10" to "CN02", which are mounted on the interface P.C. boards of all
the outdoor units connected to the central control.
NOTE
Please make sure that before you perform this task, address setting of the refrigerant line all have been completed.
[U1, U2] and [U3, U4] connected
CN02
CN10
10
Set the central control address.
(For the setting of the central control address, refer to the installation manuals of the central control devices.)
EN-61
Header unit interface P.C. board
SW04
SW05
SW15
D600 D601 D602 D603 D604
SW07
SW09
SW10
SW01
SW02
SW03
SW12 SW13
SW14
SW17
U1
U2
U3
U4
Communication
terminal board
U1
U2
U3
U4
TO INDOOR
TO CENTRAL
UNIT
CONTROLLER
– 31 –
Switch setting (setting example when controlling 2 or more refrigerant lines centrally)
Outdoor units (setting manually)
Outdoor unit's
Outdoor unit
interface P.C. board
SW13, 14
1
(Line (system) address)
Dip switch 2 of SW30
(Terminator of indoor /
outdoor communication
ON
line and central control
line)
Connect after setting
Relay connector
addresses.
Outdoor unit
[U1, U2] and
[U3, U4] connected
U3
U4
CN10
CN02
U1
U2
U
1
U
2
U
1
U
2
A
B
A
B
Remote
Remote
controller
controller
Individual
Indoor units
(automatic setting)
Line (system) address
Indoor unit address
Group address
CAUTION
Relay connector connection
Never connect relay connectors between the [U1, U2] and [U3, U4]
terminals before completing address setting of all the refrigerant
lines. Otherwise, the addresses cannot be set correctly.
Installation Manual
*The items in bold font must be set manually.
Outdoor unit
Outdoor unit
2
3
Set to OFF
Set to OFF after
after setting
setting addresses.
addresses.
Connect after setting
Connect after setting
addresses.
addresses.
Outdoor unit
Outdoor unit
[U1, U2] and
[U1, U2] and
[U3, U4] connected
[U3, U4] connected
U3
U4
U3
U4
CN10
CN10
CN02
CN02
U1
U2
U1
U2
U
1
U
2
U
1
U
2
U
1
U
2
A
B
A
B
A
B
Remote
Remote
controller
controller
Group
1
1
2
2
3
1
2
1
2
1
0
0
1
2
0
Factory default
1
ON
Open
Central
controller
EN-62
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