Insulated Line

Evaporator coils inside freezer?

If the outside temperature is high, the device will freeze. I opened the unit, I am not an expert, but found the coils cleaned - nu metal, shiny, and no dirt or lint. I also closed the inputs on the ground floor and open only for contributions in the second floor. It still freezes. All vents are open. If the Temperature is moderate to high, the unit will run all day and indoor temperature will not reach 24C/75F set point (it was the case in the past). I have not noticed, I think that the air flow is low (as was not the case). I also noticed a high-pitched noise coming from the vents. This is not the fan, because if I turn off the AC and let the fun run, the noise disappears. Just in case this is important when the freezing of internal coils, the line not safe just outside of the house connecting to the outside coil freezes well (about an inch). Can you tell me what the problem areas? Any suggestion will be useful.

It does sound like you have a problem of air flow. The first thing I would check is the filter of the furnace. If it is clean, what a kind of filter do you use? Stay away from super tight micron filters, they will decrese your airflow for heating and cooling, and the cause of many problems in the future. I recommend the filters cheap $ 1.00. The purpose of the Air Fliter is not to filter the air of dust ect .... is simply protect the furnace. If you want to filter the air, led return your size accordingly to accommodate the higher micron filters, so you do decrease your airflow in the oven. You mentioned that your vents are open. That's good, but is it a carpet or furniture blocking the gate air returns? Check that. Also the cooling fins on your cage Squirel are a bit like the shape of a C. When the dust begins to accumulate in the fins, which will also cut back the amount of CFM it can grow. And another thing to do would be to blow the engine. This can become full of ...... ect lint or the engine could simply go wrong and not blowing as it should. A simple reading amp you say. If your A / C unit is low on refrigerant, it will also freeze your evaporator. I would check the filter after that call may be a service of high Technology good to have them do the rest of the controls. Good luck.

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