Refrigerant Circuit; Model: Aohg18Lbcb - Fujitsu GENERAL AUHG18LVLB Design & Technical Manual

4. Refrigerant circuit

4-1. Model: AOHG18LBCB

Muffler
Th
D
Accumulator
Cooling
Heating
Th
: Thermistor (Discharge temperature)
D
Th
: Thermistor (Outdoor temperature)
O
Th
: Thermistor (Heat exchanger out temperature)
HO
Th
: Thermistor (Room temperature)
R
4-1. Model: AOHG18LBCB
Heat exchanger
3-way
valve
Muffler
4-way valve
Heat exchanger
(OUTDOOR)
- 44 -
(INDOOR)
Th
HO
Th
R
Th
HO
Th
O
2-way
valve
Strainer
Expansion valve
Strainer
4. Refrigerant circuit