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12.1.10.1 How to Set on Indoor Unit Control PCB
1. Turn off the power breaker to halt the supply of electricity to the indoor unit control PCB.
2. Open the electrical component box cover, then check the indoor unit control PCB. (Fig. 10-1)
3. Change the dip switch (SW001) of the indoor unit control PCB according to the setting selected in Table 10-1.
Table 10-1
External static pressure of the
rated airflow volume
DIP switch
10 Pa
TP
6
TP
3
TP
1
1 2 3
1 2 3
1 2 3
ON
50 Pa
ON
TP
6
TP
3
TP
1
110 Pa
ON
TP
6
TP
3
TP
1
TP
6
TP
3
TP
1
1
ON
23
TP
6
TP
3
TP
1
1 2 3
SW
0
0
1
Indoor unit control PCB
Setting example
1: OFF
2: OFF
3: ON
ON
Fig. 10-1
