Daikin REYQ72 Serveice Manual page 66

SiUS39-602
3.5.2 Pump-down Residual Operation in Heating Operation
Compressor
Outdoor unit fan
Four way valve 1
Four way valve 2
Main motorized valve (EV1)
Sub motorized valve (EV2)
Sub-cooling motorized valve (EV3)
Hot gas bypass valve (SVP)
Oil equalization valve (SVO)
Receiver gas charging valve (SVL)
Receiver gas discharge valve (SVG)
Discharge pipe stop valve (SVR)
Non-operating unit liquid pipe stop valve
(SVSL)
High pressure gas pipe pressure reduction
valve (SVC)
Ending conditions
Indoor unit EV opening
Note 1. Hold: maintain the previous position (mode) before entering this operation.
Function
Actuator Operation
124 Hz + OFF
STEP8
Holds *Note 1
Holds *Note 1
Four way valve 1
OFF:1400 pls
ON:0 pls
Four way valve 2
OFF:1400 pls
ON:0 pls
0 pls
ON
ON
OFF
OFF
ON
ON
OFF
• 30 sec.
• Pe < 36 psi
or
• Td > 230°F
Heating:Fully open
Cooling:0 pls
Special Control
55