Specifications
Table Of Contents
- Cover
- Table of Contents
- Part 1 General Information
- Part 2 Specifications
- Part 3 Refrigerant Circuit
- Part 4 Function
- Part 5 Test Operation
- Part 6 Troubleshooting
- Part 7 Appendix
- 1. Piping Diagrams
- 2. Wiring Diagrams for Reference
- 3. List of Electrical and Functional Parts
- 4. Option List
- 5. Piping Installation Point
- 6. Example of connection (R-410A Type)
- 7. Thermistor Resistance / Temperature Characteristics
- 8. Pressure Sensor
- 9. Method of Checking the Inverter’s Power Transistors and Diode Modules
- Part 8 Precautions for New Refrigerant (R-410A)
- Index
- Drawings & Flow Charts

List of Electrical and Functional Parts Si34-704
344 Appendix
3. List of Electrical and Functional Parts
3.1 Outdoor Unit
3.1.1 RXQ5PY1~8PY1
Item Name Symbol
Model
RXQ5PY1 RXQ8PY1
Compressor
Inverter
Type
M1C
JT1GCVDKYR@S
OC protection
device
14.7A
STD 1
Type
M2C —
OC protection
device
STD 2
Type
M3C —
OC protection
device
Fan motor
OC protection
device
M1F 1.15A 3A
Electronic expansion valve (Main) Y1E Fully closed: 0pls Fully open: 480pls
Electronic expansion valve (Subcool) Y2E —
Fully closed: 0pls
Fully open: 480pls
Pressure
protection
High pressure
switch
For M1C S1PH OFF: 4.0 MPa ON: 3.0±0.15MPa
For M2C S2PH —
For M3C S3PH —
Low pressure sensor SLNPL OFF: 0.07MPa
Temperature
protection
Discharge gas temperature protection
(Discharge pipe thermistor)
R3T OFF: 135°C
Inverter fin temperature protection
(Radiator fin thermistor)
R1T OFF: 93°C
Others Fuse
For main PC board
F1U 250V AC 10A Class B Time-lag 3.15A AC 250V
F2U 250V AC 10A Class B Time-lag 3.15A AC 250V
For Noise filter PC
board
F1U 250V AC 5A Class B
+
0
−
0.12