– 60 –
11. High static-pressure switch (Full duct type and semi duct type)
● For full duct type and semi duct type, set the high to HIGH STATIC-PRESSURE.
● If not set to HIGH, there will be reduction of cooling and heating capacities.
Fig. 13-1
Micro computer
Buzzer
Temporary
switch
Main P.W.B.
Operate
LED
Timer
LED
Static pressure sw
High
Drain pump test drive sw
Normal
12. Wired remote control receiver circuit
● In wired remote control receiver circuit, the signal will transmit to micro computer pin 3 by using
photocoupler PC101.
Wired remote control
CN18
C551
C550
R771 R770
R611
C611
PC101
5V
0V
0V
Wired input
Microcomputer
1
2
3
13
+
—
Fig. 11-1
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