Troubleshooting Guide

For CH-S30FTXW-SV, CH-S36FTXW-SV,
N
L
SHOW/ SW
EARTH
[ 1. 4] 2014. 06. 26
EU- KFR105W/ BP3T5N1- 350S. D. 13. WP1- 1
L - OUT
N- OUT
CONNECT TO INVERTER driver
HI GHL OW
T2B- E
T2B- D
T2B- C
T2B- BT2B- A
TP
T4
T3
S- E
S- D
S- C
S- B
S- A
FAN_ OUT
FAN_ I N
AB
C
D
E
202302141206
CN1 9
CN1 0
N
CN9
S
CN4 4
HEAT2
CN4 3
FAN
CN4 2 C
CN4 1
C
CN4 0 HEAT1
CN3 4
CN3 3
CN3 0
CN2 9
CN2 8
CN2 7
CN2 6
CN2 2
4 - WA Y
CN2 0
CN1 8
CN1 7
CN1 6
CN1 4
CompTop
CN1 2
CN1 1
CN8
CN6
CN5
CN4
N
CN3
N
CN2
N- I N
CN1
L- I N
CN2 3
CN7
CN1 3
P- 1
CN3 5
N
CN3 7
FAN- L
CN3 6
F AN- H
CN2 1
Electric Expansion
Value B
Electric Expansion
Value E
Electric Expansion
Value D
Electric Expansion
Value C
Electric Expansion
Value A
485
communication
testPort
connect to detector
external drive DC fan
motor input terminal
external drive DC fan
motor ouput terminal
current loop
communication A
current loop
communication B
current loop
communication C
current loop
communication D
current loop
communication E
digital display
Fuse
T30A/250V
connect to high and low
pressure sensor
connect to
trmp. sensor
Fuse 5A/250V
connect to earth
CN23 reserve
digital display button
test report
connect to detector
CN43-5,CN43-1/CN41,CN42
AC fan motor capacitor
connector
CN43-4/CN37 CONNECT TO
AC FAN MOTOR(LOW SPEED)
CN43-3/CN36
AC fan motor low speed
connector
CN43-2/CN35
AV fan motor N phase
current loop
communication C
Signal wire
24VDC Pulse wave
connect to the terminal
connect to the terminal
208-230V AC
power supply
room temp sensor
pipe temp sensor
(3.3V)
(3.3V)
high pressure sensor
low pressure sensor
Connect to the Indoor evap.pipe
out temp. sensor
T2B-A、T2B-B、T2B-C、T2B-D、T2B-E
+12V DC pulse wave between (+1)-GND
+12V DC pulse wave between (+2)-GND +12V DC pulse wave between (+3)-GND +12V DC pulse wave between (+4)-GND
+12V DC
+12V DC
6 5 4 3 2 1
when 4-way is ON, output 208-230VAC
connect to the 4-WAY
when heater is ON, output 208-230V AC
connect to compressor heater
CN44 L
CN10 N
CN40 L
CN4 N
CN22 L
CN3 N
connect to exhaust
temp. sensor
connect to the terminal
208-230V AC
external drive DC fan
motor connector
T3
T4
electric
heater1
electric
heater 2