Maintenance of electrical appliances

Geregistreerd op: 21 Feb 2021 Berichten: 4

The refrigerator is one of the few appliances in your home that works continuously, day or night, to keep your food cool. If you think about how hard the refrigerator can work, it's really surprising that it breaks down so infrequently. In the rare cases that your refrigerator stops working, you may face a high repair bill and replacement costs for all of the lost foods. Do not be afraid! This article is here to tell you everything you need to know about DIY fridge and freezer repair. You might be surprised to learn that the repairs are actually very easy, requiring very little knowledge about the device and a little patience. Let's start with some basic information.
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Refrigerators and freezers consist of two main components: a condenser coil and an evaporator coil. The coolant is circulated through these coils by means of a compressor and an engine. The coolant is cooled in the condenser; Then it flows into the evaporator. In the evaporator, the air in the unit is cooled by contact with the coil filled with liquid. The refrigerator or freezer condenser is the coil located on the outside of the unit; The evaporator is the coil located inside. The coolant is circulated through the system by a compressor.

Most refrigerators and freezers are frost free. In this type of unit, the heater is automatically triggered by a timer in order to defrost inside the unit. Frost thaws by the heater in several different places in the unit, ranging from cooler to cooler areas. When the frost thaws completely, the thermostat automatically switches to the refrigeration cycle in order to maintain the standard freezing temperature. Because this process is automatic, frost does not accumulate inside the box.

The unit compressor system, which drives the coolant through the coil system, is driven by a condenser type motor. Other essential parts of the refrigeration / defrosting system include switches, thermostats, heaters, condensers, and fans. Do-It-Yourself can test and replace many of these refrigerator components. However, there are exceptions, as explained later, that are best left to a professional repair technician.

Warning: Before carrying out any work on the fridge or freezer, make sure to unplug them from the mains. After disconnecting the unit, check if the motor / compressor has a capacitor; This component is located in the housing on top of the engine. Capacitors store electricity, even if the unit is out of power. Before carrying out any work on a condenser type refrigerator or freezer, the condenser must be drained, otherwise it may be subjected to severe shock.