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Installation Manual
EN-61
EN-62
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.
10
Set the central control address.
(For the setting of the central control address, refer to the installation manuals of the central control devices.)
Header unit interface P.C. board
SW09
SW07
SW11
SW06
SW10
SW12 SW13
SW16
SW14
SW17
D600 D601 D602 D603 D604
SW04
SW05
SW15
SW01
SW02
SW03
SW30
SW30
U1
U2
U3
U4
CN02
CN10
U1
U2
U3
U4
TO INDOOR
UNIT
TO CENTRAL
CONTROLLER
[U1, U2] and [U3, U4] connected
Communication
terminal board
Switch setting (setting example when controlling 2 or more refrigerant lines centrally)
Outdoor units (setting manually)
*The items in bold font must be set manually.
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.
Outdoor unit’s
interface P.C. board
Outdoor unit
Outdoor unit
Outdoor unit
Factory default
SW13, 14
(Line (system) address)
1
2
3
1
Dip switch 2 of SW30
(Terminator of indoor /
outdoor communication
line and central control
line)
ON
Set to OFF after
setting addresses.
Set to OFF
after setting
addresses.
ON
Relay connector
Connect after setting
addresses.
Connect after setting
addresses.
Connect after setting
addresses.
Open
Line (system) address
1
1
2
2
3
Indoor unit address
1
2
1
2
1
Group address
0
0
1
2
0
2
U
1
U
B
A
2
U
1
U
2
U
1
U
B
A
B
A
A
2
U
1
U
2
U
1
U
B
A
B
U4
U3
U2
U1
CN02
CN10
U4
U3
U2
U1
CN02
CN10
U4
U3
U2
U1
CN02
CN10
Central
controller
Remote
controller
Remote
controller
Remote
controller
Remote
controller
Group
Individual
Indoor units
(automatic setting)
Outdoor unit
[U1, U2] and
[U3, U4] connected
Outdoor unit
[U1, U2] and
[U3, U4] connected
Outdoor unit
[U1, U2] and
[U3, U4] connected
2FAN_IM_DB04307201-04_EN.book Page 31 Tuesday, December 17, 2019 6:34 PM