Service Manual
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 Refrigerant Circuit
- Part 5 Functions and Control
- Part 6 Test Operation and Field Settings
- Part 7 Remote Controller
- Part 8 Troubleshooting
- 1. Troubleshooting with LED
- 2. Service Diagnosis
- 3. Error Codes and Description
- 4. Troubleshooting for CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series
- 5. Troubleshooting for FFQ Series
- 6. Troubleshooting for Branch Provider (BP) Unit
- 7. Troubleshooting for Outdoor Unit
- 8. Thermistor Resistance/Temperature Characteristics
- 9. Pressure Sensor
- 10. Method of Replacing Inverter’s Power Transistors Modules
- Part 9 Appendix
Functions SiUS181631EA
8 List of Functions
Category Functions
FFQ09/12/15/18Q2VJU
with BYFQ60B3W1
FFQ09/12/15/18Q2VJU
with BYFQ60C2W1W(S)
Category Functions
FFQ09/12/15/18Q2VJU
with BYFQ60B3W1
FFQ09/12/15/18Q2VJU
with BYFQ60C2W1W(S)
Basic
Functions
Inverter (with inverter power control)
zz
Health &
Cleanliness
Auto cleaning filter — —
Operation limit for cooling — —
Air-purifying filter with photocatalytic
deodorizing function
——
Operation limit for heating — —
PAM control — — Titanium apatite deodorizing filter — —
Standby electricity saving — — Longlife filter
zz
Compressor Oval scroll compressor — — Air filter — —
Swing compressor — — Filter cleaning indicator
zz
Rotary compressor — — Wipe-clean flat panel — —
Reluctance DC motor — — Washable grille
zz
Comfortable
Airflow
Power-airflow flap (horizontal blade) — — MOLD PROOF operation — —
Power-airflow dual flaps
(horizontal blade)
——
Good-sleep cooling operation — —
Timer Schedule TIMER operation
z★
1
z★
1
Power-airflow diffuser — — 72-hour ON/OFF TIMER
z★
2
z★
2
Wide-angle louvers (vertical blades) — — Off Timer (power off forget prevention)
z★
1
z★
1
Auto-swing (up and down)
zz
NIGHT SET mode — —
Auto-swing (right and left) — — Worry Free
(Reliability &
Durability)
Auto-restart (after power failure)
zz
Individual flap control —
z★
1 Self-diagnosis (R/C, LED)
zz
3-D airflow — — Wiring error check function — —
COMFORT AIRFLOW operation — —
Anti-corrosion treatment of outdoor heat
exchanger
——
Comfort
Control
Auto fan speed
z★
1
z★
1
Indoor unit quiet operation — — Flexibility
Multi-split/split type compatible indoor
unit
zz
NIGHT QUIET mode (automatic) — —
OUTDOOR UNIT QUIET operation
(manual)
——
H/P, C/O compatible indoor unit — —
Flexible power supply correspondence — —
Presence and floor sensor (option) —
z★
1 Chargeless — —
Hot-start function
zz
Either side drain (right or left) — —
Draft prevention with sensor
zz
Power selection — —
Automatic defrosting
zz
°F/°C changeover R/C temperature
display (factory setting: °F)
z★
1
z★
1
Operation Automatic operation
zz
Program dry function
zz
Remote
Control
Remote control adaptor
(normal open pulse contact) (option)
——
Fan only
zz
Setback function
z★
1
z★
1
Remote control adaptor
(normal open contact) (option)
——
Lifestyle
Convenience
POWERFUL operation (non-inverter) — —
POWERFUL operation (inverter) — — DIII-NET compatible (adaptor) (option) — —
Priority-room setting — — Remote
Controller
Wireless (option)
zz
COOL/HEAT mode lock — — Wired (option)
zz
HOME LEAVE operation — —
ECONO operation — —
Indoor unit ON/OFF button — —
Signal receiving sign
z★
2
★
3
z★
2
★
3
R/C with back light
z★
1
z★
1
Note:
z
: Available
— : Not available
★
1: With wired remote controller
★
2: With wireless remote controller
★
3: Receiving sound only