H12-411_V2.0 Exam Question 6

The refrigeration performance of the environmentally friendly refrigerant R410A is better than that of the non-environmentally friendly refrigerant R22.
  • H12-411_V2.0 Exam Question 7

    When the equipment adopts protective grounding, fuses and switches should be installed in the grounding wire loop.
  • H12-411_V2.0 Exam Question 8

    The refrigeration performance of the environmentally friendly refrigerant R410A is better than that of the non-refrigerant R22.
  • H12-411_V2.0 Exam Question 9

    FusionModule800 3.0 Both closed channel and hot channel are optional.
  • H12-411_V2.0 Exam Question 10

    What are the main types of MCB circuit breakers based on the tripping principle? (Multiple choice)