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Idiomas disponibles
Idiomas disponibles
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
Outdoor unit
[U1, U2] and
[U1, U2] and
[U3, U4] connected
[U3, U4] connected
U3
U4
CN10
CN02
U1
U2
U
1
U
2
U
1
U
2
A
B
A
B
Remote
Remote
control
control
Individual
Indoor units
(automatic setting)
Line (system) address
1
Indoor unit address
1
Group address
0
CAUTION
Relay connector connection
Never connect relay connectors between the [U1, U2] and [U3, U4] terminals before completing the address setting of
all the refrigerant lines. Otherwise, the addresses cannot be set correctly.
EN-41
*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
[U1, U2] and
[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
control
control
Group
1
2
2
3
2
1
2
1
0
1
2
0
– 21 –
Manual address setting using a remote control
This procedure should be used if the indoor unit wiring is completed and the outdoor unit wiring has not been started.
For this procedure, the group remote control should not be connected. One individual remote control should be used
to set the address on each individual indoor unit (one unit at a time), by wiring the remote control directly to the indoor
Factory default
unit that is to be addressed.
When the address setting procedure is completed for the individual indoor units, the group remote control should be
1
connected as shown in the following figure.
CAUTION
ON
Connector
Do not close the connectors between the (U1, U2) and (U3, U4) terminals before completing all the refrigerant line
Open
address settings. If a connector is closed, the address cannot be set correctly.
Wiring example for 2 refrigerant lines
Central
control
Remote control
Line (system) address
Indoor unit address
Group address
Refrigerant line 1
Outdoor
unit
Indoor unit 1
Indoor unit 2
Indoor unit 3
1
1
1
1
2
3
1
2
2
Header unit
Follower unit
Follower unit
Refrigerant line 2
Outdoor
unit
Indoor unit 1
Indoor unit 2
2
2
1
2
2
2
Follower unit
Follower unit
EN-42
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