Daikin R410As Service Manual page 65

Refrigerant Flow for Each Operation Mode
Heating Operation
High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure
54
Fan ON
Fan OFF
" ON "
Heat exchanger
Fan
Electronic
expansion
valve
Filter Filter Filter
Indoor unit
Thermostat "ON"
Indoor unit operation
" OFF "
Heat exchanger Heat exchanger
Fan
Electronic
expansion
valve
Filter Filter
Indoor unit
Thermostat "OFF"
Si39-302
Fan LL
" OFF "
Fan
Electronic
expansion
valve
Filter
Indoor unit
4D040337A
Refirgerant Circuit