How Does a Dehumidifier Work — Appliance Repair Tips

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Language: en

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while dehumidifiers can differ from
00:00:09.370 00:00:09.380 model to model they all operate on
00:00:11.890 00:00:11.900 similar principles in this video we will
00:00:15.670 00:00:15.680 identify the main factors of
00:00:17.440 00:00:17.450 dehumidifier operation as well as
00:00:19.900 00:00:19.910 potential problems you may encounter
00:00:23.250 00:00:23.260 dehumidifiers reduce the humidity level
00:00:25.930 00:00:25.940 in your home by drawing the room air
00:00:28.029 00:00:28.039 through the appliance and removing the
00:00:30.040 00:00:30.050 moisture the level of humidity reduction
00:00:33.160 00:00:33.170 is regulated by the humidistat or by a
00:00:35.979 00:00:35.989 control board with a sensor when the
00:00:39.759 00:00:39.769 humidistat or sensor detects a need to
00:00:42.069 00:00:42.079 reduce the moisture in the air 120 volts
00:00:45.279 00:00:45.289 of alternating current is sent to the
00:00:47.289 00:00:47.299 compressor and the fan motor the
00:00:50.680 00:00:50.690 compressor is part of a sealed
00:00:52.180 00:00:52.190 refrigerant system that compresses the
00:00:54.399 00:00:54.409 refrigerant in gas form and pumps it
00:00:56.680 00:00:56.690 through a set of condenser coils where
00:00:58.750 00:00:58.760 the gas becomes a hot liquid the coils
00:01:01.959 00:01:01.969 dissipate the heat as the liquid travels
00:01:04.240 00:01:04.250 through them once the refrigerant has
00:01:07.690 00:01:07.700 passed through the condenser coils and
00:01:09.580 00:01:09.590 the capillary tube it travels to the
00:01:12.280 00:01:12.290 evaporator coils as the refrigerant
00:01:15.640 00:01:15.650 liquid enters these coils it expands
00:01:18.010 00:01:18.020 into a gas which makes the coils cold
00:01:20.700 00:01:20.710 the gas flows through the coils to a
00:01:23.440 00:01:23.450 suction line attached to the compressor
00:01:25.450 00:01:25.460 the compressor will then pump the gas
00:01:27.910 00:01:27.920 back into the condenser coils where it
00:01:30.280 00:01:30.290 once again becomes a liquid and the
00:01:32.380 00:01:32.390 cycle continues at the same time the fan
00:01:37.030 00:01:37.040 motor rotates a blade to draw the rooms
00:01:39.490 00:01:39.500 humid air into the appliance where it
00:01:41.740 00:01:41.750 condenses on the cold evaporator coils
00:01:44.520 00:01:44.530 the condensation accumulates on the
00:01:47.320 00:01:47.330 evaporator and drips into a bucket or is
00:01:50.110 00:01:50.120 diverted through a hose to a floor drain
00:01:53.070 00:01:53.080 the cooler air from the evaporator is
00:01:55.960 00:01:55.970 heated as it passes through the
00:01:57.580 00:01:57.590 condenser coils and is returned to the
00:01:59.830 00:01:59.840 room this process continues until enough
00:02:03.760 00:02:03.770 moisture has been removed from the air
00:02:05.410 00:02:05.420 to satisfy the setting on the humidistat
00:02:07.570 00:02:07.580 or the control board most dehumidifier
00:02:12.610 00:02:12.620 models are equipped with a
00:02:14.170 00:02:14.180 it's switch that will prevent the
00:02:15.940 00:02:15.950 appliance from running if the bucket is
00:02:17.649 00:02:17.659 full
00:02:18.449 00:02:18.459 if you suspect the dehumidifier should
00:02:21.069 00:02:21.079 be running when it's not the buckets
00:02:23.410 00:02:23.420 which may be defective you can use an
00:02:27.369 00:02:27.379 ohm meter to test the switch for
00:02:29.020 00:02:29.030 continuity to help determine if the
00:02:31.209 00:02:31.219 switch is functioning or not both the
00:02:35.709 00:02:35.719 condenser and evaporator coils need
00:02:38.110 00:02:38.120 proper air flow for the dehumidifier to
00:02:40.360 00:02:40.370 work efficiently over time these coils
00:02:43.690 00:02:43.700 can collect dust dirt and debris so it's
00:02:46.690 00:02:46.700 a good idea to clean the coils regularly
00:02:48.970 00:02:48.980 just be careful not to bend the fins
00:02:55.220 00:02:55.230 if you hear the dehumidifier running but
00:02:57.920 00:02:57.930 no air is being exhausted then it's
00:03:00.199 00:03:00.209 likely that the fan motor has failed and
00:03:02.270 00:03:02.280 will need to be replaced if your model
00:03:05.660 00:03:05.670 is equipped with an air filter the
00:03:07.520 00:03:07.530 filter will need to be cleaned from time
00:03:09.350 00:03:09.360 to time to prevent frost from building
00:03:11.660 00:03:11.670 up on the evaporator coils most standard
00:03:20.660 00:03:20.670 dehumidifier models require the room
00:03:22.759 00:03:22.769 temperature to remain above 65 degrees
00:03:25.070 00:03:25.080 Fahrenheit for the appliance to work
00:03:26.990 00:03:27.000 properly as lower temperatures can cause
00:03:29.420 00:03:29.430 the evaporator coils to frost over if
00:03:32.020 00:03:32.030 the temperature in your home regularly
00:03:34.370 00:03:34.380 drops below 65 degrees you will need to
00:03:37.520 00:03:37.530 obtain a model that is specifically
00:03:39.170 00:03:39.180 designated for lower temperature
00:03:40.910 00:03:40.920 operation repair clinic has a solution
00:03:45.020 00:03:45.030 for many of the problems you may be
00:03:46.910 00:03:46.920 experiencing with your dehumidifier
00:03:49.449 00:03:49.459 enter the appliances full model number
00:03:52.190 00:03:52.200 in our website search engine for a
00:03:54.500 00:03:54.510 complete list of compatible parts our
00:03:57.160 00:03:57.170 site also has an extensive selection of
00:04:00.199 00:04:00.209 instructional videos to assist you
00:04:02.150 00:04:02.160 covering topics like part testing
00:04:04.960 00:04:04.970 disassembly and part replacement at
00:04:09.099 00:04:09.109 repair clinic we make fixing things easy
00:04:18.720 00:04:18.730 you
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Phone: +7 343 216 77 75

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Russia: +7 343 216 77 75

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