Refrigerant System Diagrams; Models: Aouh18Lmas1 And Aouh24Lmas1 - Fujitsu ASUH18LMAS Service Manual

5. Refrigerant system diagrams

5-1. Models: AOUH18LMAS1 and AOUH24LMAS1

Pressure
switch
Th
D
Th
C
Th
C
Th
D
Th
HM
Th
O
Th
HO
Th
PI
Th
R
5-1. Models: AOUH18LMAS1 and AOUH24LMAS1
3-way
valve
4-way valve
: Cooling
: Heating
: Thermistor (Compressor temperature)
: Thermistor (Discharge temperature)
: Thermistor (Heat Exchanger Med temperature)
: Thermistor (Outdoor temperature)
: Thermistor (Heat Exchanger Out temperature)
: Thermistor (Pipe temperature)
: Thermistor (Room temperature)
Heat exchanger
(INDOOR)
Th
Th
R
Heat exchanger
(OUTDOOR)
Th
HM
Th
O
- (02-17) -
3-way
valve
PI
Strainer
Expansion valve
Strainer
Th
HO
5. Refrigerant system diagrams