Bs Unit Functional Parts - Daikin RXYQ96PYDN Service Manual

Refrigerant Circuit
2.5

BS Unit Functional Parts

BSVQ36, 60PVJU
No. Name
1 Electronic expansion valve (EVH)
2 Electronic expansion valve (EVL)
3 Electronic expansion valve (EVHS)
4 Electronic expansion valve (EVLS)
5 Electronic expansion valve (EVSC)
6 Capillary tube
Note : Factory set of all EV opening : 60pls
136
Symbol
Opens while in heating operation or all indoor units are in cooling
Y4E
operation. (Max : 760pls)
Y5E Opens while in cooling operation. (Max : 760pls)
Opens while in heating operation or all indoor units are in cooling
Y2E
operation. (Max : 480pls)
Y3E Opens while in cooling operation. (Max : 480pls)
In simultaneous cooling and heating operation, it is used to subcool liquid
Y1E refrigerants when an indoor unit downstream of this BS unit is in heating
operation.(Max : 480pls)
Bypasses high pressure gas to low pressure side to protect refrigerant
accumulation in high and low pressure gas pipes.
Liquid
Indoor
Gas
side
SiUS34-801A_b
Function
Liquid
Dual Pressure
Outdoor
Suction
VRVIII R-410A Heat Recovery 60Hz
side