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

SiBE12-713 List of Functions
List of Functions 3
Category Functions
FTKS20-35CAVMB
FTKS50-71FV1B
Category Functions
FTKS20-35CAVMB
FTKS50-71FV1B
Basic
Function
Inverter (with Inverter Power Control) {{Health &
Clean
Air Purifying Filter — —
Operation Limit for Cooling (°CDB) — —
Operation Limit for Heating (°CWB) — — Photocatalytic Deodorizing Filter — —
PAM Control — —
Air Purifying Filter with Photocatalytic
Deodorizing Function
{ —
Compressor
Oval Scroll Compressor — —
Titanium Apatite Photocatalytic
Air-Purifying Filter
— {
Swing Compressor — — Longlife Filter (Option) — —
Rotary Compressor — — Mold Proof Air Filter {{
Reluctance DC Motor — — Wipe-clean Flat Panel {{
Comfortable
Airflow
Power-Airflow Flap — — Washable Grille — —
Power-Airflow Dual Flaps {{ Filter Cleaning Indicator — —
Power-Airflow Diffuser — — Mold Proof Operation — —
Wide-Angle Louvers {{ Heating Dry Operation — —
Vertical Auto-Swing (Up and Down) {{ Good-Sleep Cooling Operation — —
Horizontal Auto-Swing (Right and Left) — { Timer Weekly Timer — —
3-D Airflow — { 24-Hour On/Off Timer {{
Comfort Airflow Mode — — 72-Hour On/Off Timer — —
3-Step Airflow (H/P Only) — — Night Set Mode {{
Comfort
Control
Auto Fan Speed {{Worry Free
“Reliability &
Durability”
Auto-Restart (after Power Failure) {{
Indoor Unit Quiet Operation {{ Self-Diagnosis (Digital, LED) Display {{
Night Quiet Mode (Automatic) — — Wiring Error Check — —
Outdoor Unit Quiet Operation (Manual) — —
Anticorrosion Treatment of Outdoor
Heat Exchanger
——
Intelligent Eye
{{
Quick Warming Function — — Flexibility
Multi-Split / Split Type Compatible
Indoor Unit
{{
Hot-Start Function — —
Automatic Defrosting — — Flexible Voltage Correspondence
{
—
Operation Automatic Operation — — High Ceiling Application — —
Programme Dry Function
{{
Chargeless — —
Fan Only {{ Either side Drain (Right or Left) {{
Lifestyle
Convenience
New Powerful Operation (Non-
Inverter)
— — Power Selection — —
Inverter Powerful Operation
{{
Remote
Control
5-Rooms Centralized Controller
(Option)
{{
Priority-Room Setting — —
Remote Control Adaptor
(Normal Open-Pulse Contact) (Option)
{{
Cooling / Heating Mode Lock — —
Home Leave Operation
{{
Remote Control Adaptor
(Normal Open Contact) (Option)
{{
ECONO Mode — —
Indoor Unit On/Off Switch
{{
DIII-NET Compatible (Adaptor)
(Option)
{{
Signal Reception Indicator
{{
Remote
Controller
Wireless
{{
Temperature Display — — Wired — —
Another Room Operation — —
Note:
{
: Holding Functions
— : No Functions