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

Refrigerant Flow for Each Operation Mode Si34-704
74 Refrigerant Circuit
3. Refrigerant Flow for Each Operation Mode
RXQ5P
Cooling Operation
" ON "
FanFan
Indoor unit operation
Fan ON
Thermostat "OFF"
Indoor unit
Electronic expansion valve
EV:0pls
FilterFilter
Heat exchanger
Fan OFF
Indoor unit
" OFF "
Electronic expansion valve
EV:0pls
FilterFilter
Heat exchanger
Fan ON
Thermostat "ON"
Indoor unit
" ON "
"High temperature, high pressure gas"
"High temperature, high pressure liquid"
"Low temperature, low pressure"
Heat exchanger
Electronic expansion valve
EV:Nomal
control
FilterFilter
Fan