1. Make sure using the rated voltage and rated frequency shown on the nameplate
2. Do not switch on the power before the device is working
3. Regular maintenance should be carried out every year
4. Never clean the heater with petrol, benzene, thinner or other similar chemicals
5. Never let water or other liquids enter the motor
Executive Standard：GB 4706.1 GB 4706.2
There are many air curtains in the market now. To choose a right air curtain you need to learn more about the international standards. Here we will share some info about international standards to help you find the air curtain you need. There are different requirements in different applications.
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