46 
9. Wiring Connection Diagram 
9.1 Indoor Unit 
9.1.1  CS-TZ20ZKEW  CS-TZ25ZKEW  CS-TZ35ZKEW  CS-TZ42ZKEW  CS-TZ50ZKEW   
CS-RZ25ZKEW  CS-RZ35ZKEW  CS-RZ50ZKEW 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ELECTRONIC CONTROLLER
(MAIN)
CN–RMT
(WHT)
4
1
BR
R
O
Y
P
1
5
1
M
5
UP DOWN
LOUVER MOTOR
CN–STM1
(WHT)
5
1
CN–CNT
(WHT)
1
7
4
CN−FM 
(WHT)
REMARKS :
B  : BLUE  P  : PINK
BR  : BROWN  O  : ORANGE
BL  : BLACK  Y  : YELLOW
W  : WHITE  G  : GREEN
R  : RED  GR : GRAY
Y/G : YELLOW/GREEN
FAN MOTOR
AC308 (BLK)
RY-PWR
RY-PWR2
AC307 (BRW)
AC303 (WHT)
AC304 (RED)
G301 (GRN)
EVAPORATOR
Y/G
Y/G
BL
BR
W
R
G
TERMINAL 
BOARD
SINGLE PHASE
POWER SUPPLY
COMMUNICATION
CIRCUIT
NOISE FILTER
CIRCUIT
TO OUTDOOR UNIT
L1
N
2
S1
3
TEMP. FUSE 102°C
FUSE301
T3.15A L250V
GR GR GR GR
ELECTRONIC CONTROLLER 
(WIFI MODULE) 
CN-WLAN
(WHT)
4
12
10 5 1
1
RECTIFICATION
CIRCUIT
SW01
M
B
BL
Y
W
R
Y/G (WITH CORE)
G
Y/G (EVA)
REAR VIEW OF TERMINAL BOARD
BR
W
R
BL
CN−TH
(RED)
PIPING TEMP. SENSOR 1 (THERMISTOR)
WITHOUT FLEXIBLE PIPE (LOWER)
PIPING TEMP. SENSOR 2 (THERMISTOR)
BLACK FLEXIBLE PIPE (UPPER)
SUCTION TEMP. SENSOR (THERMISTOR) 
t°
1
6
t°
t°
WWWWWWW
ELECTRONIC CONTROLLER
(DISPLAY AND RECEIVER) 
CN-DISP
(WHT)
1
71
7
CN-DISP
(YLW)
BL
W
W
W
BL
B
P
1
1
2
5
CN–NANO
(YLW)
4
1
CN1
(WHT)
CN2
(WHT)
NANOE ION
GENERATOR
HIGH 
VOLTAGE
POWER 
SUPPLY
REMOTE CONTROLLER