Shenzhen Envicool Technology Co., Ltd.
Table 5-1 High and low pressure protection value of the refrigeration system of the compressor
Compressor high
pressure protection
value
Compressor low
pressure protection
value
Indoor and outdoor fans use EC fans with built-in protection, and when the built-in protection
device is triggered, the fan displays failure.
The humidity alarm will be triggered in the following situations:
High humidity: indoor return air relative humidity is higher than the pre-set high humidity alarm
setting value. Check whether the equipment is dehumidified.
Low humidity: indoor return air relative humidity is lower than the pre-set low humidity alarm
setting value. Check whether humidification is set for the equipment.
Note :
Check whether the setting value is suitable. Check whether the room has the steam isolation
zone to isolate the outdoor humidity, and whether the door and window are open.
The temperature alarm will be triggered in the following situations:
High temperature: indoor return air temperature higher than the high temperature alarm set value.
Check whether the set value is appropriate, whether the indoor load exceeds the design capacity of
the equipment (e.g. the refrigerant output of the equipment is too small), and whether the cooling
parts work normally (whether the compressor or valve has been started).
Low temperature: indoor return air temperature lower than the low temperature alarm set value.
Confirm whether the set value is appropriate and whether all the heating parts work normally (i.e.,