Fujitsu ARTH30KMTAP - 4-2. Models: AOTH36 KBTA, AOTH45 KBTA, and AOTH54 KBTA

4-2. Models: AOTH36KBTA, AOTH45KBTA, and AOTH54KBTA
Strainer
Strainer
3-way
valve
3-way
valve
4-way valve
Expansion valve
Heat exchanger
(INDOOR)
Heat exchanger
(OUTDOOR)
Compressor
: Cooling
: Heating
Pressure
switch
Sub accumulator
Th
C
Th
R
Th
D
Th
PI
Th
O
Th
HO
Th
C
: Thermistor (Compressor temperature)
: Thermistor (Discharge temperature)
: Thermistor (Outdoor temperature)
: Thermistor (Heat exchanger out temperature)
Th
D
Th
O
Th
HO
: Thermistor (Room temperature)
: Thermistor (Pipe temperature)
Th
R
Th
PI
Pressure
sensor
Th
HM
: Thermistor (Heat exchanger middle temperature)
Th
HM
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4-2. Models: AOTH36KBTA, AOTH45KBTA, and AOTH54KBTA
4. Refrigerant circuit
OUTDOOR UNIT AOTH30-54KBTA OUTDOOR UNIT AOTH30-54KBTA