25
4. PCB Conguration
TO OUT DOOR UNIT 
SW1-1 
TYPE DEFINE 
Cassette 
 
 
Y/G:YELLOW/GREEN 
RD:RED WHT:WHITE 
BLK:BLACK  
****************** 
 
.  
SENSOR 
 
 
CN1 
 
CN11 
CN19 
SW3(BM3) 
2
1
3
BLK 
WHT 
RD 
NOTE: 
1.DASHED PARTS ARE OPTIONAL. 
2.USER SHOULD NOT CHANGE THE 
DIP SWITCH SW1 SW3 WITHOUT GUIDENCE 
3.SW3-5->SW3-8 ARE USED FOR WIRED CONTROLLER 
ADRESS SELECT. SW3-1->SW3-4 ARE RESERVED. 
CH1 
OFF 
OFF
TEMP 
.  
PIPING  
 DC FAN MOTOR 
BA
C
87654321
SW1(BM1) 
87654321
N 
(SLIM) 
Room card 
 
available 
 
ON 
Y/G
0150516956U 
L 
I.R .RECEIVER  
(WITH DIGITAL 
DISPLAY) 
WiFi 
MODULE 
 
 
. 
B
A
C
WIRED  
CONTROLLER  
 
 
M 
SENSOR 
TEMP. 
ROOM 
ROOM CARD  
CN3 
CN6 
 
    T5A 250VAC 
CN16 
DRAIN  
PUMP 
M 
CN9 
CN10 
CN4 
CN14 
 
   FUSE 
FLOAT  
SWITCH  
CN13 
 
 
 
 
CN4 
CN3 
CN2 
CN7 
CN1 
CN6 
INTELLIGENT 
MOVE EYE DEVICE  
 
 
 
M 
 
M 
 
LOUVER 
STEP MOTOR4 
LOUVER 
STEP MOTOR3 
M 
 
M 
 
LOUVER STEP 
 MOTOR2 
LOUVER STEP 
 MOTOR1 
INDOOR UNIT 
MAIN CONTROL 
BOARD 
 
I.R .RECEIVER : 
INFRARED REMOTE 
RECEIVER . 
TEMP.:TEMPERATURE 
 
ON 
OFF
ON 
CN26 
A
B
M 
FRESH AIR MOTOR / 
EXTERNAL ALARM OUTPUT 
(FUNCTION IN FUTURE ) 
( Contact rating_230VAC,3A) 
CAPACITY 
(BTU/H) 
 
SW1-2 
SW1-3 
OFF  ON 
ON 
ON 
ON 
ON 
SW1-4 
unavailable 
OFF 
ON 
SW1-5 
COOL HEAT 
COOL ONLY 
HEAT PUMP 
SW1-6 
SW1-7 
SW1-8 
OFF 
OFF 
INDOOR UNIT  
TERMINAL BLOCK 
CN8 
24000 
ON 
ON 
OFF 
 ELECTRIC HEATING TERMINAL 
 RATING_230VAC,3A 
 CONNECT TO THIRD  PARTY RELAY 
CN15 
ELECTRIC HEATING 
THERMOSTAT / FUSE  
OFF 
36000 
42000 
48000 
ON 
ON 
ON