Specifications
Refrigerant Flow for Each Operation Mode SiUS39-602
34 Refirgerant Circuit
Heating or Simultaneous Cooling/Heating Operation-MODE C (In case there are indoor units operating
with cooling thermostat “ON”.)
Indoor unit (Thermostat "ON")
Fan ON
Indoor unit
To other indoor units
" ON "
Cooling
Heating
Heating
Heat exchanger
Fan
Electronic
expansion valve
Filter Filter
Indoor unit (Thermostat "ON")
Fan ON
Indoor unit
" ON "
Heat exchanger
Fan
Electronic
expansion valve
Filter Filter
Indoor unit (Thermostat "ON")
Fan ON
Indoor unit
" ON "
Heat exchanger
Fan
Electronic
expansion valve
Filter Filter
High temperature, high pressure gas
High temperature, high pressure liquid
Low temperature, low pressure liquid or gas
Indoor unit
operation
BS unit
BS unit
BS unit
Capillary
tube
Three way
valve
Capillary tube
Solenoid valve
Check valve
Filter
Capillary
tube
Three way
valve
Capillary tube
Solenoid valve
Check valve
Filter
Capillary
tube
Three way
valve
Capillary tube
Solenoid valve
Check valve
Filter
Oil equalizer pipe to other outdoor units
Liquid piping to other outdoor units
Discharge gas piping to other outdoor units
Suction gas piping to other outdoor units