2023-07-07 256
GB 4706.1-2005 "Safety of Household and Similar Electrical Appliances - Part 1: General Requirements": This standard specifies the safety requirements for household and similar electrical appliances,
2023-07-07 234
The operating principle is different: an air energy water heater uses the heat energy in the air to heat the water in the water tank, while a general water heater uses an electric heating rod to direc
2023-07-07 703
Packaging and maintenance: Commercial high and low temperature cooling and heating units require proper packaging to prevent impact, vibration, rain, humidity, and other factors during transportation
2023-07-07 233
Protectiveness: Household variable frequency heating and cooling units are required to comply with relevant national standards and have protective functions such as anti electric wall and anti dry bur