Standby - Daikin RXYQ96PYDN Service Manual

Special Control
Four way valve (High/low pressure
gas pipe switch)
Solenoid valve (Main bypass)
Solenoid valve (Hot gas)
Solenoid valve (Refrigerant
regulator liquid pipe)
Solenoid valve (Refrigerant
regulator gas vent pipe)
Solenoid valve (Refrigerant
regulator exhaust pipe)
Solenoid valve (Refrigerant
regulator discharge pipe)
Ending conditions
* Pe_min and Pc_max indicate the minimum and maximum values in the system, respectively.
7.6

Standby

7.6.1 Restart Standby
Used to forcedly stop the compressor for a period of 2 minutes, in order to prevent the frequent ON/OFF of the compressor
and equalize the pressure within the refrigerant system.
Actuator
Compressor 1
Compressor 2
Outdoor unit fan 1
Outdoor unit fan 2
Electronic expansion valve
(Main)
Electronic expansion valve
(Subcooling)
Electronic expansion valve
(Refrigerant charge)
Four-way valve (Heat
exchanger switch)
Four-way valve (High/low
pressure gas pipe switch)
Solenoid valve (Main bypass)
Solenoid valve (Hot gas)
Solenoid valve (Refrigerant
regulator liquid pipe)
Solenoid valve (Refrigerant
regulator gas vent pipe)
60
20SB Y8S
Y5S
SVE
Y10S
SVP Y4S
SVL Y3S
SVG Y1S
SVO Y7S
SVT Y6S
Elect. symbol
Symbol
RXYQ
144PTJU
— M1C
— M2C
M1F
—
M2F
Y1E
EVM
Y3E
Y2E
EVT
Y5E
EVJ Y4E
Y2S
20SA
Y9S
20SB Y8S
Y5S
SVE
Y10S
SVP Y4S
SVL Y3S
SVG Y1S
Y2S OFF
Y6S OFF
Y5S OFF
Y4S OFF
Y1S OFF
Y7S OFF
Y8S OFF
or
For any model
other than that
shown on the left
M1C
M2C
M1F
—
Y1E
Y3E
Y2E
Y3S
Y2S
Y6S
Y5S
Y4S
Y1S
SiUS34-801A_b
OFF
OFF
OFF
OFF
OFF
OFF
OFF
• 3 min.
• Pe_min<36.25psi ∗
• Pc_max<453.85psi ∗
• Master unit Tdi>230°F
• Master unit Tp>284°F
Operation
OFF
OFF
Ta>86°F: STEP4
Ta≤86°F: OFF
Ta>86°F: STEP4
Ta≤86°F: OFF
0 pls
0 pls
80 pls
Holds
Holds
OFF
OFF
OFF
OFF
VRVIII R-410A Heat Pump 60Hz