Daikin VRV II RXYQ5MY1B Service Manual page 75

Refrigerant Flow for Each Operation Mode
RXYQ8, 10, 12M
Cooling Operation
High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure
64
Fan ON
" ON "
Heat exchanger
Fan
Electronic
expansion
valve
Filter Filter
Indoor unit
Thermostat "ON"
Pressure
regulating
valve
Check
valve
Solenoid
valve
Check
valve
High pressure
switch
Compressor
INV
Check
valve
Capillary
tube
Filter
Stop valve (With service port on on-site piping side ø7.9mm flare connection)
Oil equalizing pipe to other outdoor units
S
S Liquid piping to other outdoor units
S
Gas piping to other outdoor units
Indoor unit operation
Fan OFF
" OFF "
Heat exchanger
Fan
Electronic
expansion
valve
Filter Filter
Indoor unit
Solenoid
valve
Filter
Heat
exchanger pipe
Filter
Electronic
expansion
valve
Four way
valve
High pressure
sensor
Check Check
valve valve
Solenoid
valve
Filter
Filter
Low pressure
sensor
Solenoid
valve
Fan ON
" ON "
Heat exchanger
Fan
Electronic
expansion
valve
Filter Filter
Indoor unit
Thermostat "OFF"
Capillary Check
tube valve
Filter
Electronic
expansion valve
Filter
Fan
Heat exchanger
Pressure
regulating
valve
High pressure
switch
Compressor
STD
Refirgerant Circuit
SiE39-404
4D044808