Daikin RXYQ72 Serivce Manual page 39

Refrigerant Flow for Each Operation Mode
Cooling Oil Return
High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure
28
Fan ON
Fan OFF
" ON "
Heat exchanger
Fan
EXV : Normal control
Filter Filter
Indoor unit
Thermostat "ON"
S To other outdoor unit oil equalizing pipe
To other outdoor unit liquid pipe
S
To other outdoor unit gas pipe
S
Indoor unit operation
Fan OFF
" OFF "
Heat exchanger
Fan
EXV : 200 pls
Filter Filter
Indoor unit
5/16
SiUS39-601
" ON "
Heat exchanger
Fan
EXV : 200 pls
Filter Filter
Indoor unit
Thermostat "OFF"
4D040338A
Refrigerant Circuit