AC MGA0800/A1 User Manual - Page 9

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Product function

4

4.1 Cooling

When the temperature inside cabinet is higher than refrigeration starting temperature, it starts
refrigerating; when the temperature inside cabinet is lower than refrigeration stopping temperature, it
stops refrigerating.
Parameter
Refrigeration starting
temperature
Refrigeration return
difference
4.2 Heating（Optional）
When the temperature inside cabinet is lower than heating starting temperature, it starts heating;
when the temperature inside cabinet is higher than heating stopping temperature, it stops heating.
Parameter
Heating starting
temperature
Heating return
difference
4.3

Remote monitor

Air conditioner has an RS485 communication interface, supporting MODBUS- RTU communication
protocol。The air conditioner communicates with the upper monitor through the RS485 communication
interface. Or users can check the air conditioner's running state by viewing the display screen directly and
change its running parameters
4.4

The control of external fan (Optional)

According to the optional requirement, the external fan (Hydrogen discharge / emergency fan)
automatically realizes cycle hydrogen discharging and emergency ventilation function.
User parameter setting point
Default value
Setting range
35
[20～40]
6
[3～10]
User parameter setting point
Default value
Setting range
5
[-10～15]
10
.
Unit
Refrigeration stopping
℃
temperature =Refrigeration
starting temperature-
℃
Refrigeration return
difference
Unit
℃
[3～15]
℃
8
Note
Note
Heating stopping
temperature= Heating
starting temperature+
Heating return difference