Mini VRF SYSTEM
Test Run
7 - 4
7
3. Outdoor Unit Control PCB Setting
3. Outdoor Unit Control PCB Setting
LED 2
LED 1
SW 2
SW 1
SW 4
SW 3
DEF
A. ADD
CHK
AP
STOP
RUN
MODE
CN-SILENT CN-ROM CN-OC CN-EMG
For detailed drawing, see the page 7-6.
CN-RCCN-TERMINAL
E
xamples
of the number of indoor units settings (SW3, SW4)
Number of indoor units
Indoor unit setting (SW3)
(1P DIP switch)
10
Indoor unit setting (SW4)
(Rotary switch)
1 - 9 unit
(factory setting : 1 unit)
OFF
ON
OFF
1
ON
Set to 1 - 9
10 - 16 unit ON
ON
OFF
1
ON
6
Set to 0 - 6
DO NOT exceed the maximum number of indoor units when making connections.
The indoor unit address setting should also be set less than “16”.
In the event of setting more than “17”, the communication cannot be made between the outdoor and indoor units.
Examples of refrigerant circuit address settings (required when link wiring is used) (SW1, SW2)
System address No.
System address (SW1)
(2P DIP switch)
10 20
System address (SW2)
(Rotary switch)
System 1
(factory setting)
Both OFF
ON
OFF
21
ON
Set to 1
System 11 1 ON
ON
OFF
Set to 1
System 21 2 ON
ON
OFF
21
ON
Set to 1
System 30 Both ON
ON
OFF
21
ON
SM830289-01_欧州向け R32 mini VRF 8,10HP SM&TRSM.indb 4SM830289-01_欧州向け R32 mini VRF 8,10HP SM&TRSM.indb 4 2021/05/07 10:16:442021/05/07 10:16:44