Pressure Equalization Prior To Startup - Daikin R410As Service Manual

Special Control
3.7

Pressure Equalization prior to Startup

Actuator
Compressor
Outdoor unit fan
Four way valve
Main motorized valve (EV1)
Subcooling motorized valve (EV2)
Hot gas bypass valve (SVP)
Oil equalization valve (SVO)
Receiver gas charging valve (SVL)
Receiver gas discharging valve
(SVG)
Non-operating unit gas discharging
valve (SVSG)
Non-operating unit liquid pipe stop
valve (SVSL)
Ending conditions
82
Operation
OFF
Cooling:OFF
Heating:STEP 4
Holds ON
0 pls
0 pls
OFF
OFF
OFF
OFF
OFF
OFF
10 sec.
Remarks





In the case of RXYQ5M, this valve turns ON.





In the case of RXYQ5M, 3 min. or Pc-Pe<0.2
MPa
Si39-302
Function