Daikin RQYQ140-180PY1 Service Manual page 39

SiBE341001
Heating oil return operation
Indoor unit operation "ON" (Heating)
"High temperature,
high pressure gas"
"High temperature,
high pressure liquid"
"Low temperature,
low pressure"
Refrigerant Circuit
+
Thermostat "ON"
Heat exchanger
Fan "ON"
(Setting)
Filter Electronic expansion valve Filter
(Normal)
Refrigerant Flow for Each Operation Mode
Indoor unit operation "ON" (Heating)
+
Thermostat "OFF"
Heat exchanger
Fan "ON"
(Setting)
Filter Electronic expansion valve Filter
(Forced thermo "ON")
Indoor unit operation "OFF" (Heating)
Heat exchanger
Fan "OFF"
Filter Electronic expansion valve Filter
(192 pls)
Fan
M
Fan
M
30