98
Electrical Wiring
● Setting of Refrigerant Cycle No.
In the same refrigerant cycle, set the refrigerant cycle No. for the outdoor units as shown below.
NOTE: In the same refrigerant cycle, set the same refrigerant cycle No. for the outdoor unit and the indoor unit.
1 2 3 4 5 6
ON
OFF
DSW1 DSW8
Setting Switch
tens digit unit digit
Outdoor Unit
1 2 3 4
ON
OFF
1 2 3 4
ON
5 6
OFF
1 2 3 4
ON
OFF
Turn ON No. 2 pins
Turn ON No. 1 and No. 3 pins
(The settings in binary system shall be
only valid for 0~9 and it will alarm once
exceeding.)
Ex: In Case of Setting Refrigerant Cycle No. 25
0~9 Binary System Dip Setting Method for DSW8
0 5
6
7
8
4
1
2
3
9
1 2 3 4
ON
OFF
ON
OFF
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 3 4
ON
OFF
1 2 3 4
ON
OFF
1 2 3 4
ON
OFF
1 2 3 4
ON
OFF
1 2 3 4
DSW1 and DSW8 setting before shipment is 0.
Maximum in setting refrigerant cycle No. is 63.
● Setting of Terminal Resistance
Before shipment, No.1 pin of DSW10 is set at “ON”side. In
the case that the outdoor units quantity in the same H-NET is
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.
OFF
ON
OFF
Setting of Terminal Resistance
DSW10
1 2
1 2
ON
Before Shipment
Cancellation
1 2
DSW10
Outdoor 1 2
DSW10
Outdoor
1
2
DSW10 DSW10DSW10 DSW10
1 2
DSW10
1 2
DSW10
ON
OFF
1 2
DSW10
ON
OFF
Set DSW10-No.1 to
OFF
to cancel setting of
terminal resistance.
Set DSW10-No.1
OFF
to cancel setting of
terminal resistance.
Outdoor Unit
Outdoor Unit
(Main) (Sub)
(Sub)
(Main) (Sub)
Outdoor Unit
Outdoor Unit
Communication cable
(H-NET)
Communication cable
(H-NET)
Communication cable
(H-NET)
Indoor
Unit
Indoor
Unit
Indoor
Unit
Indoor
Unit
Unit
A
Unit B Unit C
Outdoor
1 2
Unit A
Outdoor
1 2
Unit B
Outdoor 1
2