Reference Sheet
7-4 Samsung Electronics
■ CONDENSER
High temperature and high pressure gas state coolant discharged from the compressor is converted to a liquid state as it is cooled
down by the heat emission in the outdoor condenser unit, and sent to the evaporator.
■
COMPRESSOR
Low temperature and low press ure coolant is compressed and sent to the cycling system
■ EVAPORATOR
Liquid coolant sucked in through the capillary tubes cools do wn the room by absorbing the surro
unding hea t as it evaporates
(converting from liquid to gas ). (Absorbing heat required for evaporation)
■ SERVICE VALVE
You can open the valve by turning the need valve counterclockwise using hex wrench, and it is used for vacuum, gas
purging, coolant
injection, coolant purging, and indoor-outdoor unit connection.
■ ACCUMULATOR
Accumulator prevents the flow of liquid-state coolant into the compressor. (Liquid-state coolant flowing into the compressor wi ll
overload
the compressor.)
Indoor Unit
Outdoor Unit
Heat exchanger
Evaporator
Liquid pipe
Gas pipe
3-way valve
3-way valve
Electronic expansion valve
Compressor
Oil separator
4-way valve
Cooling
Heating
Leak check points
Aux accumulator
Fan
Heat exchanger
Evaporator
Fan
7-2 Refrigerating Cycle Diagram
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