Samsung AM080FX A Series Service Manual page 268

Piping Diagram
7-1 Piping Diagram (cont.)
- Cycle component Symbol and Function
No Part Name
4Way Valve
21
(Solenoid valve-4Way)
Discharge Temp. Sensor
22
(Thermistor-Discharge pipe)
Suction Temp. Sensor
23
(Thermistor-Suction pipe)
Cond Out Temp. Sensor
24
(Thermistor-Cond Out)
EVI In Temp. Sensor
25
(Thermistor-EVI In)
EVI Out Temp. Sensor
26
(Thermistor-EVI Out)
Liquid Tube Temp. Sensor (Thermistor-
27
Liquid pipe)
Comp. Top Temp. Sensor
28
(Thermistor-Compressor Top)
Ambient Temp. Sensor
29
(Thermistor-Ambient)
Samsung Electronics
(cont.)
Abbreviation Symbol
V_4W
T_D
T_S
T_CO
T_EI
T_EO
T_L
T_CT
T_A
Function
It determines the cooling / heating operation mode.
(The valve signal when the heating operation is ON)
Measure the temperature of the compressor discharge pipe.
It is mainly used to protect the compressor.
Measure the temperature of the compressor suction line.
It is used to determine the suction superheat of the compressor.
Measure the liquid pipe temperature of the heat exchanger.
Used to enter in defrosting operation and escape judgment.
Measure the temperature of the intercooler inlet pipe (EVI EEV side).
It is used to determine the superheat of the EVI In / Out.
Measure the temperature of the intercooler outlet pipe (EVI EEV side).
It is used to determine the superheat of the EVI In / Out.
Measure the temperature of the outdoor liquid pipe.
It is used to determine the supercooling.
To measure the surface temperature of the compressor Top Cover.
It is mainly used to protect the compressor.
Measure the temperature of the outdoor air.
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