24
P5417025-rev.1
6.4 Setting of DIP Switches
DSWs on the PCB1 are set before shipping as shown below and no setting is required.
The “
n
” mark indicates the position of DIP switches. Figures show setting before shipment.
NOTE
All indoor and outdoor units must be shut down prior to attempting to make DIP Switch adjustments,
otherwise, the settings will not take effect.
PCB1
A B C
P
O
N
DSW1
D
M
DSW2
DSW3
DSW4
DSW5
DSW6
DSW7
DSW8
DSW3
DSW4
DSW2
DSW7
DSW8
DSW5
DSW6
DSW1
PCB4
Connection Ports
for Indoor Unit
Models
CH-AP12MSSX
JCH-AP12MSSX
CH-AP08MSSX
JCH-AP08MSSX
Table 6.2 Cross reference table of DIP switch settings and connection ports for indoor unit.
2 4
3
1
ON
DSW2
Connection Port Setting
This setting is required.
When the connection port is not used, turn ON
the applicable pin shown in the table 6.2.
(Example)
When connection port "D" is
not used, turn ON
DSW2-No.4 pin on PCB1.
2
1
ON
1
ON
2
DSW4 (for TB2)
1 2
ON
ON
1 2
DSW5~8 (for TB3 and TB4)
2
1
ON
DSW3
No setting is required.
2
6
1
ON
5
4
3
DSW1
No setting is required.
DSW4~8
In the case of applying high voltage to terminals of TB2, TB3 or TB4, the 0.5A
to the terminal block, and then set the No.1 pin to ON.
Factory Setting
Factory Setting
Fuse Recover
fuse on the PCB is open. In such a case, first reconnect the wiring correctly
Fuse Recover
Fuse Recover
CH-AP16MSSX
JCH-AP16MSSX
CH-AP04MSSX
JCH-AP04MSSX
DSW5~8
DSW
7
DSW
8
DSW
5
DSW
6
DSW
7
DSW
8
DSW
5
DSW
6
DSW
7
DSW
8
DSW
5
DSW
6
1 2 3 4 1 2 3 4 1 2 3 4
PCB1
PCB2
PCB3
A
F
E
H
G
B
D
C
K
J
L
I
Connection ports for indoor unit
PCB No.
DSW2 Pin No.
DSW
7
DSW
8
DSW
5
DSW
6
1 2 3 4
PCB4
O
N
P
M
NOTICE
Summary of Contents for CH-AP04MSSX
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