8
[Fig. 8-4-1]
Standard 1:1
A
C
[Fig. 8-4-2]
SW1
CN3C
SW2
CN90
CN44
CN20
A
<Indoor controller board>
ON
1
2
3
4
5
6
7
8
[Fig. 8-4-3]
IC
IC
CN90
CN90
Pair number: 0
Pair number: 1
Pair number: 0
Pair number: 1
[Fig. 8-4-5]
IC
CN90
Pair number: 0
Pair number: 0
Pair number: 0
8
OC(00)
B
TB1
A Outdoor unit
B Refrigerant address
TB4
C Indoor unit
IC
CN90
D Signal receiving unit
1
D
JP1
JP2
JP3
JP41
JP42
CN32
CN41
OFF
SWE
CN51
ON
CNXB2
CN4F
CN2L
CNXC2
B The figure at left shows that the switches 1 through 5 are set to ON and 6 through 10 are set to OFF.
9 10
IC
IC
CN90
CN90
Pair number: 2
Pair number: 3
Pair number: 2
Pair number: 3
IC
CN90
Pair number: 0
8.4
Indoor/outdoor wiring
Signal receiving unit wiring
CN105
CN2A
CN22
CNXA2
[Fig. 8-4-4]
Pair number: 0
IC
IC
IC
CN90
CN90
CN90
Pair number: 0
Pair number: 0
Pair number: 0
IC
CN90
Pair number: 0