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
SiUS181631EA Specifications
Specifications 19
1.3.4 FVXS Series
60 Hz, 208 - 230 V
Model
FVXS09NVJU FVXS12NVJU
Cooling Heating Cooling Heating
Rated Capacity 9 kBtu/h Class 12 kBtu/h Class
Front Panel Color White White
Airflow Rate
H
cfm
(m³/min)
290 (8.2) 311 (8.8) 300 (8.5) 332 (9.4)
M 230 (6.5) 244 (6.9) 237 (6.7) 258 (7.3)
L 169 (4.8) 177 (5.0) 173 (4.9) 184 (5.2)
SL 145 (4.1) 155 (4.4) 159 (4.5) 166 (4.7)
Fan
Type Turbo Fan Turbo Fan
Motor Output W 12.3 13.4
Speed Steps 5 Steps, Quiet, Auto 5 Steps, Quiet, Auto
Air Direction Control Right, Left, Horizontal, Downward Right, Left, Horizontal, Downward
Air Filter Removable, Washable, Mildew Proof Removable, Washable, Mildew Proof
Running Current (Rated) A 0.14 - 0.13 0.15 - 0.14 0.14 - 0.13 0.15 - 0.14
Power Consumption (Rated) W 15 - 15 17 - 17 15 - 15 17 - 17
Power Factor (Rated) % 51.5 - 50.2 54.5 - 52.8 51.5 - 50.2 54.5 - 52.8
Temperature Control Microcomputer Control Microcomputer Control
Dimensions (H × W × D) in. (mm) 23-5/8 × 27-9/16 × 8-1/4 (600 × 700 × 210) 23-5/8 × 27-9/16 × 8-1/4 (600 × 700 × 210)
Packaged Dimensions (H × W × D) in. (mm) 27-3/8 × 30-15/16 × 11 (695 × 786 × 279) 27-3/8 × 30-15/16 × 11 (695 × 786 × 279)
Weight (Mass) Lbs (kg) 31 (14) 31 (14)
Gross Weight (Gross Mass) Lbs (kg) 40 (18) 40 (18)
Sound Pressure
Level
H / M / L / SL dB(A) 38 / 32 / 26 / 23 38 / 32 / 26 / 23 39 / 33 / 27 / 24 39 / 33 / 27 / 24
Sound Power Level dB — — — —
Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes
Piping
Connections
Liquid in. (mm)
φ
1/4 (
φ
6.4)
φ
1/4 (
φ
6.4)
Gas in. (mm)
φ
3/8 (
φ
9.5)
φ
3/8 (
φ
9.5)
Drain in. (mm)
φ
13/16 (
φ
20)
φ
13/16 (
φ
20)
Drawing No. 3D101722 3D101724
Model
FVXS15NVJU FVXS18NVJU
Cooling Heating Cooling Heating
Rated Capacity 15 kBtu/h Class 18 kBtu/h Class
Front Panel Color White White
Airflow Rate
H
cfm
(m³/min)
378 (10.7) 417 (11.8) 378 (10.7) 417 (11.8)
M 325 (9.2) 357 (10.1) 325 (9.2) 357 (10.1)
L 275 (7.8) 300 (8.5) 275 (7.8) 300 (8.5)
SL 233 (6.6) 251 (7.1) 233 (6.6) 251 (7.1)
Fan
Type Turbo Fan Turbo Fan
Motor Output W 23.3 23.3
Speed Steps 5 Steps, Quiet, Auto 5 Steps, Quiet, Auto
Air Direction Control Right, Left, Horizontal, Downward Right, Left, Horizontal, Downward
Air Filter Removable, Washable, Mildew Proof Removable, Washable, Mildew Proof
Running Current (Rated) A 0.19 - 0.17 0.21 - 0.19 — —
Power Consumption (Rated) W 27 - 27 34 - 34 — —
Power Factor (Rated) % 68.3 - 69.1 77.8 - 77.8 — —
Temperature Control Microcomputer Control Microcomputer Control
Dimensions (H × W × D) in. (mm) 23-5/8 × 27-9/16 × 8-1/4 (600 × 700 × 210) 23-5/8 × 27-9/16 × 8-1/4 (600 × 700 × 210)
Packaged Dimensions (H × W × D) in. (mm) 27-3/8 × 30-15/16 × 11 (696 × 786 × 280) 27-3/8 × 30-15/16 × 11 (695 × 786 × 279)
Weight (Mass) Lbs (kg) 31 (14) 31 (14)
Gross Weight (Gross Mass) Lbs (kg) 40 (18) 40 (18)
Sound Pressure
Level
H / M / L / SL dB(A) 44 / 40 / 36 / 32 45 / 40 / 36 / 32 44 / 40 / 36 / 32 45 / 40 / 36 / 32
Sound Power Level dB — — — —
Heat Insulation Both Liquid and Gas Pipes Both Liquid and Gas Pipes
Piping
Connections
Liquid in. (mm)
φ
1/4 (
φ
6.4)
φ
1/4 (
φ
6.4)
Gas in. (mm)
φ
1/2 (
φ
12.7)
φ
1/2 (
φ
12.7)
Drain in. (mm)
φ
13/16 (
φ
20.0)
φ
13/16 (
φ
20)
Drawing No. 3D101718 3D094866
Conversion Formulae
kcal/h = kW × 860
Btu/h = kW × 3412
cfm = m³/min × 35.3