Refrigerant Circuit; Models: Aou9Rls3H And Aou12Rls3H - Fujitsu ASU12RLS3Y Design & Technical Manual

4. Refrigerant circuit

4-1. Models: AOU9RLS3H and AOU12RLS3H

Th
D
Muffler
Acccumlator
Th :Thermistor (Discharge temp.)
D
Th :Thermistor (Outdoor temp.)
O
Th :Thermistor (Heat exchanger out temp.)
HO
Th :Thermistor (Room temp.)
R
Th :Thermistor (Pipe temp.)
PI
4-1. Models: AOU9RLS3H and AOU12RLS3H
3-way
valve
Muffler
4-way valve
Cooling
Heating
Heat exchanger
( INDOOR )
Th
Th
R
Heat exchanger
( OUTDOOR )
Th
Th
O
- 45 -
PI
2-way
valve
Strainer
Expansion valve
Strainer
HO
4. Refrigerant circuit