Daikin Super Multi Plus D-Series - Stopping Operation; Pressure Equalization Prior to Startup

Special Control SiEBE18-526
66 Function
3.6 Stopping Operation
3.6.1 When System is in Stop Mode
3.7 Pressure Equalization Prior to Startup
Before activating the compressor, the activation load is lightened by equalization across the
compressor. In addition, inverters turn on electricity and capacitors are charged.
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.
Actuator Operation Remarks
Compressor OFF —
Outdoor unit fan
Cooling: STEP7
Heating: Ta>26°C; STEP8,
Ta≤26°C; 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
•• 3 min.
•• Pc-Pe<0.2 MPa
—
or