Specifications
Table Of Contents
- Cover
- Table of Contents
- Part 1 List of Functions
- Part 2 Specifications
- Part 3 Printed Circuit Board Connector Wiring Diagram
- Part 4 Function and Control
- Part 5 Operation Manual
- Part 6 Service Diagnosis
- 1. Caution for Diagnosis
- 2. Problem Symptoms and Measures
- 3. Service Check Function
- 4. Code Indication on the Remote Controller
- 5. Troubleshooting
- 5.1 Indoor Units
- 5.2 Outdoor Units
- 5.3 Indoor Unit PCB Abnormality A1
- 5.4 Freeze-up Protection Control or High Pressure Control A5
- 5.5 Fan Motor or Related Abnormality A6
- 5.6 Thermistor or Related Abnormality (Indoor Unit) C4,C9
- 5.7 Front Panel Open / Close Fault C7
- 5.8 Signal Transmission Error (between Indoor and OutdoorUnit) U4
- 5.9 Unspecified Voltage (between Indoor and Outdoor Units) UA
- 5.10 Freeze-up Protection Control A5
- 5.11 Outdoor Unit PCB Abnormality E1
- 5.12 OL Activation (Compressor Overload) E5
- 5.13 Compressor Lock E6
- 5.14 DC Fan Lock E7
- 5.15 Input Over Current Detection E8
- 5.16 Discharge Pipe Temperature Control F3
- 5.17 High Pressure Control in Cooling F6
- 5.18 Compressor Sensor System Abnormality H0
- 5.19 Position Sensor Abnormality H6
- 5.20 CT or Related Abnormality H8
- 5.21 Thermistor or Related Abnormality (Outdoor Unit) P4,J3,J6,J8,J9,H9
- 5.22 Electrical Box Temperature Rise L3
- 5.23 Radiation Fin Temperature Rise L4
- 5.24 Output Over Current Detection L5
- 5.25 Insufficient Gas U0
- 5.26 Low-voltage Detection or Over-voltage Detection U2
- 5.27 Signal Transmission Error (on Outdoor Unit PCB) U7
- 5.28 Anti-icing Function in Other Rooms / UnspecifiedVoltage (between Indoor and Outdoor Units) UA,UH
- 6. Check
- Part 7 Removal Procedure
- Part 8 Others
- Part 9 Appendix
- Index
- Drawings & Flow Charts

Wiring Diagrams SiBE12-713
332 Appendix
FTKS20CAVMB, FTKS25CAVMB, FTKS35CAVMB
FTXS20CAVMB, FTXS25CAVMB, FTXS35CAVMB
FTKS50FV1B, FTKS60FV1B, FTKS71FV1B
FTXS50FV1B, FTXS60FV1B, FTXS71FV1B
LED1
PCB2
PCB3
H1P
INTELLIGENT-
EYE SENSOR
RECEIVER
SIGNAL
LED2
H2P
S1W
WIRELESS
REMOTE
CONTROLLER
LED3
H3P
R1T
S27
t
°
S36 S35
S26
S32
R2T
t
°
S21
PCB1
(
FU
C70
TERMINAL FOR
CENTRALIZED CONTROL
:
:
:
S6
FUSE
M
PROTECTIVE EARTH
RUNNING CAPACITOR
M1S
S7
indoor
)
S1
1
t
°
M
M1F
C70
140
°
C
TRANSMISSION
CIRCUIT
3.15A
Fu
H1P~H3P : PILOT LAMP
M1F : FAN MOTOR
M1S : SWING MOTOR
PCB1~PCB3 : PRINTED CIRCUIT BOARD
R1T~R2T : THERMISTOR
S1~S36 : CONNECTOR
S1W : OPERATION SWITCH
X1M : TERMINAL STRIP
H2
H3
H1
GRN
WHT
RED
BLK
/
YLW
X1M
2
3
1
NOTE THAT OPERATION WILL
RESTART AUTOMATICALLY IF
THE MAIN POWER SUPPLY IS
TURNED OFF AND THEN BACK
ON AGAIN.
CAUTION
FIELD WIRING.
2
3
1
outdoor
→
3D033599G
CONTROLLER
WIRELESS
REMOTE
PCB4
PCB3
PCB5
INTELLIGENT EYE
LED1
H1P
R1T
SENSOR
t
S37
S38
°
LED2
H2P
LED3
H3P
PCB2
S27
S36
S1W
RECEIVER
SIGNAL
S26
S35
S21
S29
S28
PCB1
R2T
S32
t°
~
RECTIFIER
1
RED
M1S
M
S6
ORG
YLW
~
PNK
5
BLU
1
TRANSMISSION
BRN
RED
CIRCUIT
M2S
S8
M
ORG
YLW
7
1
3.15A
S1
PNK
6
Fu
BLU
WHT
BRN
RED
BLU
ORG
H2
H3
H1
INDOOR
FG
M1F
M
GRN
R1T, R2T
M1S, M2S
PCB1~ PCB5
WHT
RED
/
BLK
Fu
M1F
H1 ~ H3
S1 ~ S38
H1P ~ H3P
FG
YLW
X1M
S1W
X1M
3
2
1
: PROTECTIVE EARTH
THE MAIN POWER SUPPLY IS
ON AGAIN.
TURNED OFF AND THEN BACK
NOTE THAT OPERATION WILL
RESTART AUTOMATICALLY IF
FIELD WIRING.
CAUTION
3
2
1
OUTDOOR
: FRAME GROUND
: FUSE
: HARNESS
: PILOT LAMP
: FAN MOTOR
: SWING MOTOR
: PRINTED CIRCUIT BOARD
: THERMISTOR
: CONNECTOR
: OPERATION SWITCH
: TERMINAL STRIP
3D038530N