Shenzhen Envicool Technology Co., Ltd.
Chapter 4 System Operation
This chapter elaborates on how the XRow series air conditioners operate in accordance with the
operation control of the operator and the indoor temperature and humidity status.
The microprocessor carries out the temperature control according to the cooling/reheating
requirements calculated based on the difference between the return air temperature and the set value.
When the temperature control calculates that the refrigeration demand reaches 20%, the compressor
is turned on; the compressor is linearly regulated within the range of the refrigeration demand (20%
~ 100%); when the refrigeration demand is less than -20%, the compressor is turned off.
4.1.3 Reheating (optional)
When the temperature control calculates that the electric heating demand reaches 100%, the electric
heating is turned on. When the heating demand is less than 50% of the heating start value, the
electric heating is turned off.
4.2.1 Humidification requirements
Humidity control is based on the calculated humidification percentage requirement (that is, the
difference between the relative humidity of the return air and the humidity setpoint). When the
relative humidity of the return air is lower than the humidity set value, the humidification demand
increases from 0 to 100% in proportion.
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