Daikin R410As Service Manual page 63

Refrigerant Flow for Each Operation Mode
Cooling Oil Return Operation
High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure
52
Fan ON
Fan OFF
" ON "
Heat exchanger
Fan
EXV : Normal control
Filter Filter Filter
Indoor unit
Thermostat "ON"
Indoor unit operation
Fan OFF
" OFF "
Heat exchanger Heat exchanger
Fan
EXV : 200 pls
Filter Filter
Indoor unit
Thermostat "OFF"
Si39-302
" ON "
Fan
EXV : 200 pls
Filter
Indoor unit
4D040337A
Refirgerant Circuit