When excessive dust blocks up the air filter, the air filter differential pressure switch will generate alarm.

In the process of disconnecting the battery pack switch, if there are multiple sets of batteries, first disconnect the main switch between the battery pack and the UPS, and then disconnect the switch of each battery pack

The compressor discharge temperature of NetCol5000-A is high, the possible reasons ( ).

If there are many bubbles in the sight glass of NetCol5000-A, it indicates that the system lacks refrigerant.

The input frequency range of the UPS5000-E is () Hz.