Samsung RL28DATS1/XEK, RL28DBSI1/XEK, RL28DBSW1/XEK, RL25DATS1/XEK manual Relay, Operating principle

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7-3.Relay

Operating principle

Inspection method

The relay momentarily energizes the start winding to start the rotation of the compressor motor.

Most later refrigerator models use a solid state type relay.

Unlike the mechanical type relay, the solid state relay has no coil and no moving contacts.

This relay consists of a small solid state wafer that has a low resistance at room temperature.

The wafer is positioned between electrical terminals that connect to the compressor terminals.

As voltage is initially applied to the compressor circuit, current flows through the run winding and, in parallel, through the relay and start winding . Initially , the resistance of the relay is low enough to pass sufficient current through the start winding and permit the compressor to start.

Then, instantaneously, the resistance of the relay goes high-in effect, reducing the current flow through the relay to a trickle . This trickle current causes the resistance of the relay to remain high , thus keeping the relay "open".

This type of relay is called a PTC(positive temperature coefficient) relay because the resistance goes high as the temperature increases.

The solid state relay can be tested for continuity, using an ohmmeter. The measured resistance of the relay, at room temperature, should be within 10% of the value stated on the schematic wiring diagram for the particular model.

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Contents Model RL-26MBSW RL-26MBSI Precaution Safety precautionsProduct Specification RL26MBSW RL26MBSIStructure Description of ComponentsProduct Installation Circulation of Refrigerant Circle of refrigerantSchematic Diagram Circuit DiagramSpecifications of Major Functional Parts Compressor Motor Overload ProtectorRelay Operating principleTemperature Control HOW to Replace Major Components Refrigeration CycleSteps for replacing door panel Steps for replacing thermostatSteps for replacing relay Steps for replacing compressor evaporator unitCompressor does not run at all Does not cool at all Trouble ShootingCompressor does not run normally Exploded View and Parts List Parts LIST-DOOR REF & FRE Parts Parts LIST-REF & FRE Cabinent Parts Parts LIST-CABINENT
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RL28DBSI1/BWT, RL23DATS1/XEK, RL28DATW1/XEK, RL25DATW1/XEK, RL28DBSI1/XEK specifications

Samsung’s refrigerator models RL23DATW1/XEK, RL28DBSW1/BWT, RL25DATS1/XEK, RL28DATS1/XEK, and RL28DBSW1/XEK represent the brand's commitment to combining innovation with functionality. These refrigerators are designed to meet the modern consumer's needs while providing high durability and efficiency.

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