One of the most common air conditioner failures is the leakage of condensate from the air conditioner. Water flowing out from under the body of the indoor unit can ruin the wall or expensive wallpaper, and if the air conditioner is located above the outlet or household appliances, it can cause a short circuit. The reasons are different, we will analyze them all in order for air conditioners with different drainage systems

Split systems with condensate drainage by gravity

With such a condensate drainage system, the liquid, collecting on the fins of the evaporator, flows into the bath, from where it flows through the pipeline under the influence of gravity into the street or into the bathroom. In this case, the air conditioner may leak if:

– the drainage pipe is laid without a slope

About 15% towards the condensate outlet or the condensate drain hole in the bath turned out to be higher than the other edge, from where the overflow occurs

– poor quality materials used

Over time, the tube bends or cracks. Or the drainage consists of several tubes connected together, and the joint loses its tightness over time.

– pseudo-siphons were used during installation

That is, in order to avoid odors from the sewer, the sewer was bent in a zigzag pattern so that there was a constant column of water that prevented odors from entering, it is better not to save money and use ordinary siphons, since condensate cannot always push through this column of water

– blocked drainage system

Clogged drain tube, bath or condensate drain. In this case, you need to clean the drainage system in any way possible (blow it out, spill it, use special chemicals), and disassemble the home air conditioner maintenance and clean the pan.

Split systems with a drainage pump (pump)

Drainage pumps are used if it is impossible to drain condensate to the street (facade of a house, historically valuable buildings, etc.) or it is technically impossible, for example, a cooled room is below ground level and there is no sewerage system or it is impossible to maintain a slope. In this case, the main causes of condensate leakage from the air conditioner:

– the drainage (condensate) pump is faulty

It has completely burned out or its power has significantly decreased, even if it makes the sound of a running engine, this does not mean that it is pumping out condensate, it needs to be checked.

– clogged float chamber

Dirt can clog the float chamber so much that the float is blocked in one position and does not turn on the pump when the water level rises.

– failed sensor

Most often, non-contact sensors break, but float sensors can also break.

– the air outlet tube is pinched or jumped off .

The tube must be reinstalled or released from clamping.

– bad contact

On the power terminals of the pump itself or in the connector between the pump and the sensor (float chamber)

– power off

The drain pump has stopped working, and the evaporator is still cold, condensate is still dripping from it. Usually the leakage is very small and when the power is turned on the problem disappears.

Causes of leakage for both systems:

– freezing of the evaporator of the indoor unit

There is not enough refrigerant in the system and the temperature of the evaporator is below zero, frost gradually freezes on it and water flows not into the pan, but past, or onto the fan. In this case, the valves and pipes on the outdoor unit usually also freeze over. This can happen not only due to a lack of freon, but also with insufficient heat removal from the evaporator, for example, if it is heavily polluted or if the filters are very dirty.

– operation of the air conditioner in winter without a pressure regulator

Due to the low temperature outside, the pressure in the system drops, the temperature of the evaporator decreases, even if the amount of freon in it is sufficient and the same happens as in the previous case. To eliminate this, it is necessary to install a condensing pressure regulator.

Such devices, for example, are equipped with all air conditioners in server rooms, with year-round operation.

– icing of the outlet of the drain pipe

If the air conditioner is used in cooling mode in winter, and the condensate is removed outside, then at temperatures below zero, liquid droplets gradually turn into ice, blocking the outlet.

The service specialists of the Schoolmaster company eliminate all causes of air conditioner leaks, as well as carry out service maintenance that will prevent unpleasant consequences, allowing them to be identified in advance and eliminated.

This is an old, renovated house:

And this is already insulated using the technology of ventilated facades:

We are often asked the question, is it possible to install an air conditioner in a “warmed” house? And if possible, how much more expensive will it cost to install an air conditioner?

We are talking about Malaysia twelve-story buildings.

The repair work includes the replacement of old windows with modern double-glazed windows, insulation with mineral wool and cladding with porcelain tiles using the ventilated facade technology.

At the same time, the wall thickens by about 20 centimeters, due to the layer of insulation and the space between the facing tiles and the layer of mineral wool.

Accordingly, a problem arises – how to fix the air conditioner to the wall, because you cannot fix it on the tile, it itself rests on a thin facade profile aircongold in Malaysia, but it itself is very fragile.

In fact, everything is very simple and there is no big problem in this.

The fastening technology is simple – the desired section of the wall is freed from tiles and insulation. Brackets are attached to this area in the usual way, on which the external unit of the air conditioner is installed.

After that, the heater returns to its place. A small part is cut off from the facade tile, under the hole for the brackets, and it is also installed in its place.

At the same time, the aesthetic qualities almost do not suffer, and the air conditioner is securely fixed.

The cost of installing an air conditioner in an insulated house

The extra charge for installing an air conditioner in a house with a ventilated facade is approximately 10% of the standard installation cost .

The time spent on installation in this case increases by about half an hour.

But there is no bad without good. In an insulated house, heat losses are reduced by about 30%, respectively, and the loss of “cold” too. So the residents of such houses receive energy savings during the operation of the air conditioner and the money “overpaid” during installation will quickly pay off.

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