Daikin VRV II RXYQ5MY1B Service Manual page 74

SiE39-404
Heating Operation
High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure
Refirgerant Circuit
Fan ON
Fan OFF
" ON "
Heat exchanger
Fan
Electronic
expansion
valve
Filter Filter Filter
Indoor unit
Thermostat "ON"
Filter
Solenoid
valve
Heat
exchanger pipe
Filter
Solenoid
valve
Capillary
Pressure
regulating valve
Solenoid
valve
Low pressure
sensor
Filter
Stop valve (With service port on on-site piping side ø7.9mm flare connection)
Refrigerant Flow for Each Operation Mode
Indoor unit operation
" OFF "
Heat exchanger Heat exchanger
Fan
Electronic
expansion
valve
Filter Filter
Indoor unit
Thermostat "OFF"
Fan
Filter Filter
Electronic
expansion valve
tube
Heat exchanger
Four way
valve
High pressure
sensor
Filter
High pressure
switch
Filter
Compressor
Capillary
INV
tube
Fan LL
" ON "
Fan
Electronic
expansion
valve
Filter
Indoor unit
4D040337C
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