Sealant Choice for wires entering freezer compartment?
Outside air (humidity) is causing condensation in my subzero freezer. The failing putty like material seal that surrounds wiring that enters the freezer compartment is probably the cause. Because of the freezer temperature, what is the specification of a replacement putty? The door gasket has been replaced and seals well.
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POSSIBLY faulty door seals allowing outside moisture to enter freezer compartment. This is especially prevalent in older units and/or tropical climate zones [ie high humidity] ... OR if freezer is OVER-LOADED with food items !!!
If you are putting in large quantities of fresh produce to be frozen it is quite often better to PRE-COOL all the items in your refrigerator PRIOR to placing in your FREEZER as they will usually have a high moisture content which will cause frost build-up in your freezer ...
You didn't include a manufacturer or model, so I can only offer general help with your problem. If you choose to provide this info later, you may get better, more specific help. The freezer compartment contains the cooling coil for the freezer and fresh food compartments. This fan in many fridges are not visible - but yours may be. Yours may also have circulation fans specifically for moving air around the fresh food compartment.
Generally, the coil is located in a protected area of the freezer (behind the back panel). The fan is arranged to pull air from the freezer floor through the coil to be cooled and blown out the top of the freezer compartment. Openings between the freezer and fresh food compartment allows a portion of the cold air to be blown into the fresh food compartment.
The first thing to do is to see what the temperatures are in both compartments. The fresh food should be about 36 degrees and freezer -10 to 0 degrees Fahrenheit. Place a glass thermometer (capable of displaying 32 degrees and up) in a glass filled with cold tap water, and place in the fresh food compartment. Place another thermometer in the freezer (capable of reading -10 and up). You can also use thermometers designed for fridge / freezer temperatures if you wish.
If there is nothing in the fridge and the door remains shut, the temperature should be seen in an hour or so. If the temperature range is obtainable, it is not likely that there is a humid condition INSIDE the fridge. You may have moisture collecting on the OUTSIDE of the fridge near doors, etc. If so, locate a humidity switch and turn it on. Many manufacturers provide this switch to turn on electric heaters in the outer part of the fridge cabinet where moisture tends to form in humid climates. These heaters operate to evaporate the moisture on the cabinet and usually come on when the freezer defrost circuit is on.
Most refrigerators have some of the condenser coil running through this area to keep condensation down. As long as the unit is cooling fine and it is warm but not very hot there probably isn't a problem. You can check to see if the coils on the bottom are dirty, a cover will have to be removed. Also check to see if the condenser fan is running which is close by the compressor.
The humidity switch does not control the humidity inside the fridge, but rather is used to control moisture that can form on the edges of the fridge and on the divider between the fridge & freezer compartments.
In areas that experience humid conditions, this is a common occurrence. The relative cold of the freezer & fridge in certain areas of the fridge case causes moist air to condense on contact. This condensation is prevented by a heater that is behind the metal case of the fridge. The moist air can't condense because the metal surface is warmer than the room air.
If you don't have a humid time of year, leave the switch set to "off", as the heater uses electricity and lowers the efficiency of the fridge and freezer - resulting in increased cost of operation. Not using the heater when it is humid will eventually cause the moisture to cause rust on the wet areas of the fridge case.
2 things:-1)Freezer door does not close completely, leving a gap allowing outside air to come in and te humidity causes water to freeze at the bottom of the freezer. This would explainwhy is forming over 2 days. 2)If your fidge has a ice maker in the freezer and a cold water dispemser, the both these compartments water flow for the ice &for dispenser are controlled by a solenoid valve, which in turn uses a sensor to detect the quantity of water in the ice maker trays and switces off the wster supply appropriately. If the sensor in the icemaker fails to detect the right quantity, overflows very slowly so as to appear to be noticeable..............sdeep
Some units have a selector switch that says; reduce moisture/save energy. If you have this its obvious what to do. If you don't have one or are getting condensation anyway, check the door gasket. Make sure its getting a proper seal. The outside air has water in, aka, humidity. If the unit sucks air from outside, as it cools it will condense and make dropletts accumulate on the top. The drainage from the defrost may also be seeping in and cause the water too. Especially if its on the bottom. It may have a clogged drain line.
Make sure the condensor is clean, blow some Air though the Condensor to make sure good Air flow towards Compressors. also, you might have a bad defrost timer or Freezer Control... worst case you might have a bad Compressor... hope I can help....