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
Special Control Si34-704
104 Function
3.5.3 Stopping Operation of Slave Units During Master Unit is in Operation
with Multi-Outdoor-Unit System
While the master unit is in operation, this mode is used to set the refrigerant flow rate to a required level using a slave
unit in the stopped mode.
In cooling operation: Same as that of normal operation stop.
In heating operation: The system operates with following mode.
Actuator Operation
Compressor OFF
Outdoor unit fan OFF
Four way valve ON
Main motorized valve (EV1) 0 pls
Subcooling motorized valve (EV2) 0 pls
Hot gas bypass valve (SVP) OFF
Accumulator oil return valve (SVO) OFF
Injection valve (SVT 5HP only) OFF
Ending conditions Slave units are required to operate.