Fujitsu AUYG18LVLB Design & Technical Manual page 159

¢ Double twin type
Pressure sensor
(High)
Pressure
switch
Muffler
: Thermistor (Compressor temperature)
: Thermistor (Discharge temperature)
: Thermistor (Heat Exchanger Out temperature)
: Thermistor (Outdoor temperature)
4-1. Models: AOYG72LRLA and AOYG90LRLA
Refrigerant pipe
Ø25.40 mm (1 in)
Pressure
Check Valve
3-WAY
Valve
4-WAY Pressure
Valve
sensor
(Low)
Strainer
3-WAY
Valve
Expansion
Valve
Refrigerant pipe
Ø12.70 mm (1/2 in)
72 model: Ø12.70 mm (1/2 in) × 2
90 model: Ø15.88 mm (5/8 in) × 2
Ø15.88 mm (5/8 in) × 2
Ø9.52 mm (3/8 in) × 2
72 model: Ø6.35 mm (1/4 in) × 2
90 model: Ø9.52 mm (3/8 in) × 2
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: Thermistor (Room temperature)
: Thermistor (Pipe temperature)
4. Refrigerant circuit