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Common Problems In The Construction Of Central Air-Conditioning Projects

  • source:metmac;
  • Time:10/14/2020

The side air supply and heating effect of air duct and multi-line indoor unit is poor

Phenomenon 1:

The air outlet does not have up and down adjustable shutters (see the figure below), and the air temperature of the indoor unit of the unit

High temperature (above 50℃), but the indoor air conditioning effect is not obvious.

---1_7

Reason

Because the hot air naturally accumulates upwards and the cold air naturally sinks, if the hot air of the indoor unit cannot be sent down at this time, a good heat exchange will be formed, which will cause the indoor human body to feel that the heating effect of the air conditioner is poor.

 

Result:

The heating effect of the air conditioner is poor.

 

Corrective measures:

The air outlet should be replaced, and the air outlet with freely adjustable wind guide blades up and down, left and right should be used, and the size of the grille adjusted up and down should be greater than 30mm, so that the hot air can be directed to the ground. See below

---2_6

 

Phenomenon 2:

The air guide blades of the air supply outlet are fixed and cannot be adjusted freely and cannot effectively guide the air.

The heating effect of indoor air conditioning is not obvious.

---3_7

Reason:

Because the hot air naturally accumulates upwards and the cold air naturally sinks, if the hot air of the indoor unit cannot be guided downwards at this time, a good heat exchange will be formed, which will cause the indoor human body to feel that the heating effect of the air conditioner is poor.

Consequences: The heating effect of the air conditioner is poor.

 

Corrective measures:

Rectification should be carried out in accordance with the rectification measures in phenomenon 1R

 

Phenomenon 3:

The width of the transverse wind guide blades of the air supply outlet is only 15mm, and the heating effect is poor.

 

Reason:

Because hot air naturally accumulates upwards and cold air naturally sinks, if the hot air guide vanes of the indoor unit are too narrow at this time, the hot air cannot be effectively sent down, and good heat exchange cannot be formed, which will cause the indoor human body to feel the heating effect of air conditioning difference.

 

Result:

The heating effect of the air conditioner is poor.

 

Corrective measures:

The rectification should be carried out in accordance with the rectification measures in phenomenon 1.

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