Service manual

Special Control SiUS28-902_a
27 Function
3.6 Stopping Operation
When the system is down the actuator stops/clears all operations.
3.6.1 When System is in Stop Mode
Actuator Operation
Compressor OFF
Outdoor unit fan OFF
Four-way valve Keep former condition.
Main electronic expansion valve (EV1) 0 pls
Subcooling electronic expansion valve (EV2) 0 pls
Hot gas bypass valve (SVP)
OFF
Receiver gas discharging valve (SVG) OFF
Ending conditions Indoor unit thermostat is turned ON.