Service manual
SiUS28-902_a Special Control
Function 26
3.5 Restart Standby
Restart is not possible to prevent frequent power-on/off and to equalize pressure in the
refrigerant system.
Actuator Operation Remarks
Compressor OFF ⎯
Outdoor unit fan
Ta>86°F: STEP 4
Ta≤86°F: 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) ON ⎯
Receiver gas discharging valve (SVG) OFF ⎯
Ending conditions 5 min. ⎯