Daikin VRV III RXYQ5-54PY1 Service Manual page 87

Refrigerant Flow for Each Operation Mode
Heating Oil Return & Defrost Operation
"High temperature, high pressure gas"
"High temperature, high pressure liquid"
"Low temperature, low pressure"
76
Fan OFF
" ON "
Heat exchanger
Fan
EV:416pls
Filter Filter
Electronic expansion valve
Indoor unit
Thermostat "ON"
Indoor unit operation
Fan OFF
" OFF "
Heat exchanger
Fan
EV:256pls
Filter Filter
Electronic expansion valve
Indoor unit
Si34-601A
Fan OFF
" ON "
Heat exchanger
Fan
EV:416pls
Filter Filter
Electronic expansion valve
Indoor unit
Thermostat "OFF"
Refirgerant Circuit