Installing a new Cooler? How to develop a plan of action.
If you’re experiencing icing issues with your walk in freezer, you know how frustrating this problem can be. In general, this problem is caused by moisture, often from the air, getting into the unit and freezing on the walls, ceilings, or even floors. Here are some troubleshooting tips for solving this problem.
Examine the icing. Is it a hard buildup or do you have frost or snowy ice?
Hard Buildup
For hard buildup, inspect the components. Most of the time, this problem is because of the evaporator coil. If there’s buildup near this, the defrost clock may be improperly set or your thermostats could be calibrated incorrectly.
-If you have a unit that’s been around for ten years or more, one or more of your insulation panels may be worn out.
Soft Buildup
For soft buildup, check the door. This should be the first spot you turn to. If warm, moist air is getting into your unit, it may be coming in the same way you do: the door.
-Check out the gaskets and look around for any ripping, tearing, or cracking. These can be fixed with low-temp silicone caulk, but you should only use NSF-approved varieties.
-If one of your gaskets is sticking or freezing, the problem could be in the frame heater, which may not be warming the trim enough to seal the entrance.
-Finally, make sure that the door isn’t being left open. Often, frost or snowy build up is due to the door being left open during loading or unloading. If this is the case, you have a couple of options. You can install self-closing hinges, or if your walk in freezer opens to the outside, you can install a dehumidifier to reduce the water content of the air inside.
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