Daikin VRV II RXYQ5MY1B Service Manual page 76

SiE39-404
Cooling Oil Return
High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure
S
S
S
Refirgerant Circuit
Fan ON
" ON "
Heat exchanger
Fan
EXV : Nornal control
Filter Filter
Indoor unit
Thermostat "ON"
Heat
exchanger pipe
Pressure
regulating
valve
Electronic
expansion
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
Liquid piping to other outdoor units
Gas piping to other outdoor units
Refrigerant Flow for Each Operation Mode
Indoor unit operation
Fan OFF
" OFF "
Heat exchanger
Fan
EXV : 200 pls
Filter Filter
Indoor unit
Solenoid
valve
Filter
Filter
Filter
Four way
valve
High pressure
sensor
Check Check
valve valve
Solenoid
valve
Filter
Filter
Low pressure
sensor
Check valve
Solenoid
valve
Fan OFF
" ON "
Heat exchanger
Fan
EXV : 200 pls
Filter Filter
Indoor unit
Thermostat "OFF"
Capillary Check
tube valve
Electronic
expansion valve
Filter
Fan
Heat exchanger
Pressure
regulating
valve
High pressure
switch
Compressor
STD
4D044808
65