13.5 Communication Settings
Set Position 1 on DSW10 to OFF to
cancel setting of terminal resistance.
Set Position 1 on DSW10 to OFF to
cancel setting of terminal resistance.
Outdoor Unit
Outdoor Unit
Outdoor Unit
Outdoor Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Communication cable
(H
i
-
NET
or H
L
-
1(7
Ⅱ
)
1 2
DSW10
1 2
DSW10
1 2
DSW10
1 2
DSW10
1 2
DSW10
1 2
DSW10
1 2
DSW10
1 2
DSW10
ON
OFF
1 2
DSW10
ON
OFF
Outdoor
Unit A
（
M ain
）
Outdoor
Unit B(Sub)
Outdoor
Unit C(Sub)
Outdoor
Unit A(Main)
Outdoor
Unit B(Sub)
Communication cable
(H
i
-
NET
or H
L
-
1(7
Ⅱ
)
Communication cable
(H
i
-
NET
or H
L
-
1(7
Ⅱ
)
● Setting for Transmitting
It is required to set the outdoor unit Nos., refrigerant cycle Nos. and end terminal resistance for this Hi-NET
system.
● Setting of Outdoor Unit No.
In case of the combination of base unit, set DSW6 as shown below.
DSW and RSW setting before shipment is 0.
Maximum in setting refrigerant cycle No. is 63.
Setting Switch
10 digit
1 2 3 4 5 6
ON
OFF
1 digit
0
7
9
5
8
6
4
3
1 2
Setting Position
Set by inserting
slotted screwdriver
into the groove.
Indoor Unit
(Hi-NET)
DSW5
RSW2
Ex.: In Case of Setting Refrigerant Cycle No. 25
● Setting of End Terminal Resistance
Before shipment, No. 1 pin of DSW10 is set at the “ON”
side. In the case that the outdoor units quantity in the
same Hi-NETis 2 or more, set No. 1 pin
of DSW10 at the “OFF” side from the 2nd refrigerant
group outdoor unit. If only one outdoor unit is used,
no setting is required.
● Setting of Refrigerant Cycle No.
In the same refrigerant cycle, set the same refrigerant cycle No. for the outdoor unit and the indoor units
as shown below.
As for setting indoor unit refrigerant cycle No., set the RSW2 and DSW5 on the indoor unit PCB.
Base Unit
(Before Shipment)
Combination of Base Unit
Unit A
(No.0) (Main)
Unit B
(No.2)
Unit C
(No.3)
1 2 3 4
ON
OFF
1 2 3 4
ON
OFF
1 2 3 4
ON
OFF
1 2 3 4
ON
OFF
1 2
ON
OFF
1 2
ON
OFF
DSW10
Before Shipment Cancellation
Setting of End Terminal Resistance
0
7
9
5
8
6
4 3
1 2
ON
OFF
1 2 3 4 5 6
Turn ON No. 2 pin.
Set Dial No.5.
Outdoor Unit
DSW1
RSW1
RSW1
GHI¼
:;
:<<
45
G
G
H
H
67
IJ
IL
89
:;
:<<
G
K
H
H
45
I¼
IM
67
Indoor Unit
(Hi-NET)
Outdoor Unit
Setting Switch
10 digit
1 digit
140
