Question 31
What are the reasons for the excessive noise of the NetCol5000-C fan? (multiple choice)
Question 32
The UPS5000-E can press the battery cold start button on the bypass module without the main bypass input to start the inverter, and the system will automatically enter the battery inverter mode.
Question 33
In the installation scenario where the indoor unit is higher than the outdoor unit, the oil trap must be set.
Question 34
Huawei precision air conditioners support up to () air conditioners to form a group control.
Question 35
The user can modify the login password in the ( ) menu of the ECC800 web interface.