Daikin RQYQ140-180PY1 Service Manual page 40

Refrigerant Flow for Each Operation Mode
Defrost 1 operation
Indoor unit operation "ON" (Heating)
"High temperature,
high pressure gas"
"High temperature,
high pressure liquid"
"Low temperature,
low pressure"
31
+
Thermostat "ON"
Heat exchanger
Fan "OFF"
Filter Electronic expansion valve Filter
(0 pls)
Indoor unit operation "ON" (Heating)
+
Thermostat "OFF"
Heat exchanger
Fan "OFF"
Filter Electronic expansion valve Filter
(0 pls)
SiBE341001
Indoor unit operation "ON" (Cooling)
Heat exchanger
Fan "ON"
(Setting)
Filter Electronic expansion valve Filter
(Normal)
Fan
M
Fan
M
Refrigerant Circuit