AUX air conditioner service manual
water in the air within the temperature zone under 100
℃
, the absolute humidity can be represented by
the pressure value created by the water vapor in the air. The pressure unit is: Pa.
Less relative humidity means more dry of the air. Zero percent of the relative humidity value means
100 percent dry air. 100 percent of the relative humidity means the saturation humidity of the air. The
value of the relative humidity is measurable by the hygrometer. There are various types of
hygrometers, such as the Dew Point hygrometer, hair hygrometer and psychrometer, etc.
⑷
Enthalpy
The heat energy is the sum of the Kinetic energy and the potential energy. It always exists in the
material due to the always-nonstop motion of its molecules no matter of any states they stay in. The
heat energy in a certain state contained in one-kilogram material is the enthalpy of this material.
The enthalpy of the air is composed of the one of the dry air and water vapor, which is represented by
“i”, unit kJ/Kg.
4. Air
conditioning
Piture.1-2 is an air conditioning system:
6
4
5
2
3
1
1. The controlled working zone(also called Air conditioning zone)
2. Air transmitting system
3. Fresh air being filtered
4. Sun radiation
5.
Outdoor temperature Change
The above drawing shows the heat source, humidity source or other harmful materials, in one aspect,
come from the production process of the indoor environment and the heat or wetness produced by
human body, and on the other hand is caused by the changes of the sun radiation and climate condition
of the outdoor environment. In this case, the idea of air conditioning that aim to control the air
environment by artificial method is bourn for eliminating the indoor and outdoors influence factors
subject to the environment. The air conditioning functions mainly by the way of air temperature
conditioning, humidity conditioning, airflow speed conditioning and air cleanliness conditioning.
⑴
Temperature conditioning
The purpose of temperature conditioning is to maintain an appropriate temperature for the indoor air.
The appropriate indoor temperature value is: 25-27
℃
for Summer
,
18-20
℃
for winter. The
Содержание E Series
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