5-4. Symbol description
• Outdoor unit
Symbol Description Marking color
CMP Compressor (Inverter type) —
HEX Heat exchanger —
FAN1 Fan 1 —
FAN2 Fan 2 —
ACM Accumulator —
OS Oil separator —
SCHEX Sub-cool heat exchanger —
HPS High pressure sensor —
LPS Low pressure sensor —
HPSW High pressure sensor switch —
4WV 4-way valve —
EEV1 Electric expansion valve 1 —
EEV2 Electric expansion valve 2 —
SV1 Solenoid valve 1 —
SV3 Solenoid valve 3 —
TH1 Discharge temperature thermistor Blue
TH3 Outdoor temperature thermistor —
TH4 Suction temperature thermistor Red
TH5 Heat exchanger (outlet) thermistor Brown
TH7 Liquid temperature thermistor Green
TH9 Sub-cool heat exchanger (outlet) thermistor White
TH10 Compressor temperature thermistor —
• Indoor unit
Symbol Description
HEX21 Heat exchanger
FAN21 Fan
EEV21 Electric expansion valve
TH21 Room temperature thermistor
TH22 Heat exchanger (inlet) thermistor
TH23 Heat exchanger (outlet) thermistor
5-4. Symbol description - (03-21) - 5. Refrigerant circuit
OUTDOOR
UNITS
OUTDOOR
UNITS
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