Branch Selector Unit - Daikin REYQ-TA Series Service Manual

Refrigerant Circuit
1.4

Branch Selector Unit

1.4.1 Single Branch Selector Unit
BSQ36-96TVJ
No. Name
1 Electronic expansion valve (EVH)
2 Electronic expansion valve (EVL)
3 Electronic expansion valve (EVSC)
Note: Factory setting of all EV opening: 60 pulse
19
Electric
symbol
Opens while in heating operation or all indoor units are in cooling.
Y2E
(Max : 760 pulse)
Y3E Opens while in cooling. (Max : 760 pulse)
In simultaneous cooling and heating operation, it is used to subcooling
Y1E liquid refrigerants when an indoor unit downstream of this Branch Selector
unit is in heating. (Max : 480 pulse)
Liquid pipe
connection port
Double pipe heat
exchanger
Gas pipe
connection port
Filter
Function
Electronic
Expansion Valve
( EVSC )
Filter
(3)
Electronic
Expansion Valve
( EVH )
Filter
(1)
Electronic
Expansion Valve
( EVL )
Filter
(2)
SiUS371614E
Liquid pipe
connection port
HP/LP gas pipe
connection port
Suction gas pipe
connection port
4D085545A
Refrigerant Circuit