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(1) DIP switch must be set with power sources of the indoor
and outdoor units in OFF state. Otherwise, the settings are
invalid.
(2) The location of DIP switch is shown in the figure below
(b)
Capacity Code Setting (DSW3)
No setup is required.
The code is set before delivery. This switch is used to
set the capacity of indoor unit.
15
(a)
(3) The PCB of indoor unit is furnished with 2 rotary
switches and 6 DIP switches that must be set based on the
following requirements before test run. The system must not
be started before the completion of DIP setup.
10.2 Setting of DIP Switch
(c) Model Code Setting (DSW4)
No setup is required. The code is set before delivery.
Note:
Symbol "■" indicates the location of DIP switch.
The position indicated in the diagram is in the factory-set
state.
！
The power supply shall be turned off before the setup of
DIP switch. Otherwise, the settings will be invalid.
Indoor Unit Setting
DSW6 (Tens Digit) RSW1 (Units Digit)
Setting Position
Insert a flat head screw
driver into the slot for setup
Ex.) Set machine No. 16
No.1 is ON
Setting 6
DSW6 and RSW1 are set to "0" before delivery.
When H-Net is used, up to 64 indoor units can be
connected.
When H-Net is not used, up to 16 indoor units can be
connected.
(d) Cooling System Code No. Setting (RSW2&DSW5)
The setup is needed. All are set to OFF before delivery.
Refrigerant System Setting
DSW5 (Tens Digit) RSW2 (Units Digit)
Ex.) Set system No. 5
Setting Position
Insert a flat head
screw driver into the
slot for setup
All set to OFF
Setting 5
DSW5 and RSW2 are set to "0" before delivery.
When H-Net is used, up to 64 indoor units can be
connected.
When H-Net is not used, up to 16 indoor units can be
connected.
(e) Safety Reset (DSW7)
* Factory setting.
* Once strong current is accidentally
connected to Terminals 1 and 2 of
TB2, the PCB fuse will be blown.
Then, it's necessary to correct the
wiring and then set switch No. 1 to
ON.
Performing external static pressure setup ("C5") on wired
remote control can change the static pressure. Please refer
to the Installation & Maintenance Manual for wired remote
control.
10.3 Setting of External Static Pressure
05～
0psf(0Pa)
0.21psf(10Pa)
0.63psf(30Pa)
02
01
24
Wired Remote Control
Setting
Indoor Unit
Capacity (kBtu/h)
External Static
Pressure
00 (Factory
Setting)
All indoor units must be numbered (RSW1&DSW6)
as shown in the figure below. The outdoor unit
numbering must start with "0".
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