47
S4179705
10-4. PCB Setting
● Setting the outdoor control PCB
In case of single outdoor unit installation, no setting
is necessary.
Keep factory shipment state (R.C. address is set in “0”).
In this case, auto. address operation takes place
automatically for the first time when the power is
switched on. This takes about a few minutes.
10-5. R.C. Address Setting
Outdoor unit R.C. address setting
Set the R.C. address to 1, 2, 3, ... according to the No. of outdoor units.
Fig. 10-4
1
ON
10
position
20
position
ON side
: S2
: S3
OFF side
Refrigerant circuit address
(2P DIP switch, green or Blue)
Refrigerant circuit address (black)
Refrigerant circuit address
(factory setting = 0)
Outdoor control PCB
1122_C_I
2
0
A. ADD (S1):
Automatic address setting start button
Used for central control (link system)
and group control (Normally, not used)
CN4 (2P Black)
(“0” when shipped from factory)
R.C. address
R.C. address R.C. address
(S3 2P dip switch, green) (S2 Rotary switch, Black)
0 auto address
Both switches are OFF Set to 0
0