Refrigerant Circuit - Fujitsu AUU9RLF Design & Technical Manual

3.

REFRIGERANT CIRCUIT

MODEL : AOU9RLFC, AOU12RLFC, AOU18RLFC
„ „
Th
D
Cooling
Heating
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
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 3/8" (9.52 mm) : 9/12RLFC
1/2" (12.70 mm) : 18RLFC
Heat exchanger
3-Way
valve
Muffler
4-Way valve
Heat exchanger
( OUTDOOR )
- (02 - 03) -
( INDOOR )
Th
R
Th
HO
Th
O
Th
PI
2-Way
valve
Strainer
Expansion valve
Strainer