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
Specifications SiUS181631EA
14 Specifications
1.3.2 CTXS, FTXS Series
60 Hz, 208 - 230 V
Model
CTXS07JVJU CTXS09HVJU
Cooling Heating Cooling Heating
Rated Capacity 7 kBtu/h Class 9 kBtu/h Class
Front Panel Color White White
Airflow Rate
H
cfm
(m³/min)
388 (11.0) 400 (11.3) 388 (11.0) 400 (11.3)
M 335 (9.5) 357 (10.1) 335 (9.5) 357 (10.1)
L 283 (8.0) 314 (8.9) 283 (8.0) 314 (8.9)
SL ––––
Fan
Type Cross Flow Fan Cross Flow Fan
Motor Output W 40 40
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 0.18 0.20 0.18 0.20
Power Consumption (Rated) W 40 45 40 45
Power Factor (Rated) % 96.6 97.8 96.6 97.8
Temperature Control Microcomputer Control Microcomputer Control
Dimensions (H × W × D) in. (mm) 11-7/16 × 31-5/16 × 9-3/8 (290 × 795 × 238) 11-7/16 × 31-5/16 × 9-3/8 (290 × 795 × 238)
Packaged Dimensions (H × W × D) in. (mm) 11 × 33-1/16 × 13-5/16 (280 × 840 × 338) 11 × 33-1/16 × 13-5/16 (280 × 840 × 338)
Weight (Mass) Lbs (kg) 20 (9) 20 (9)
Gross Weight (Gross Mass) Lbs (kg) 29 (13) 29 (13)
Sound Pressure
Level
H / M / L / SL dB(A) 44 / 40 / 35 / – 44 / 39 / 34 / – 44 / 40 / 35 / – 44 / 39 / 34 / –
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
11/16 (
φ
18.0)
φ
11/16 (
φ
18.0)
Drawing No. 3D066156A 3D062870A
Model
CTXS12HVJU CTXS07LVJU
Cooling Heating Cooling Heating
Rated Capacity 12 kBtu/h Class 7 kBtu/h Class
Front Panel Color White White
Airflow Rate
H
cfm
(m³/min)
388 (11.0) 400 (11.3) 332 (9.4) 350 (9.9)
M 335 (9.5) 357 (10.1) 261 (7.4) 290 (8.2)
L 283 (8.0) 314 (8.9) 194 (5.5) 233 (6.6)
SL – – 145 (4.1) 219 (6.2)
Fan
Type Cross Flow Fan Cross Flow Fan
Motor Output W 40 23
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 0.18 0.20 0.09 - 0.08 0.11 - 0.10
Power Consumption (Rated) W 40 45 18 - 18 21 - 21
Power Factor (Rated) % 96.6 97.8 96.2 - 97.8 91.8 - 91.3
Temperature Control Microcomputer Control Microcomputer Control
Dimensions (H × W × D) in. (mm) 11-7/16 × 31-5/16 × 9-3/8 (290 × 795 × 238) 11-5/8 × 31-1/2 × 8-7/16 (295 × 800 × 215)
Packaged Dimensions (H × W × D) in. (mm) 11 × 33-1/16 × 13-5/16 (280 × 840 × 338) 10-13/16 × 34-1/4 × 14-7/16 (274 × 870 × 366)
Weight (Mass) Lbs (kg) 20 (9) 20 (9)
Gross Weight (Gross Mass) Lbs (kg) 29 (13) 29 (13)
Sound Pressure
Level
H / M / L / SL dB(A) 45 / 41 / 36 / – 45 / 40 / 35 / – 38 / 32 / 25 / 22 38 / 33 / 28 / 25
Sound Power Level dB – – 54 54
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
11/16 (
φ
18.0)
φ
5/8 (
φ
16.0)
Drawing No. 3D062871A 3D075490
Conversion Formulae
kcal/h = kW × 860
Btu/h = kW × 3412
cfm = m³/min × 35.3