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Commercial Air Curtain Pay Attention To What Security
Sep 28, 2017

commercial air curtain Pay attention to what security

What are the safety standards when using commercial air curtains? The following one by one to give you a brief introduction!

1. Commercial air curtain safety requirements should be consistent with the provisions of ZBJ72-018.

2. Commercial air curtain The connection of the electrical wiring shall be neat and firm, and the wire through hole and the plug shall be insulated or other suitable protective measures.

3. Commercial air curtain at room temperature, under normal conditions, with 500V insulation resistance meter to determine the commercial air curtain live and non-charged part of the insulation between the metal parts and in accordance with Table 6 of the condensate test conditions for continuous operation after 4h , With 500V insulation resistance meter to determine the commercial air curtain live part of the non-live part of the non-charged part of the insulation between the metal part of the test, the cold and hot ground insulation resistance should not be less than 2MΩ.

4. The electrical strength of the commercial air curtain is set at the "ON" position of the commercial air curtain, respectively, and an AC voltage of 1500 V is applied between the live part and the non-charged metal part. Start to apply the voltage should not be greater than half of the specified value, and then quickly rose to full value, for 1min. In mass production, the 1800V voltage and 1s time can be used instead.

5. Commercial air curtain according to the provisions of the condensate test conditions, continuous operation 4h, immediately with the resistance method to measure the motor winding temperature rise. The temperature rise is calculated according to GBA755.

6. Commercial air curtain according to the provisions of the condensate test conditions and Figure 5 wiring continuous operation 4h, and then to 110% of the rated voltage, the commercial air curtain exposed metal parts and the power line leakage current between the exposed metal parts And the leakage current between the power supply line should not be greater than 1.5mA.

After the use of commercial air curtains, commercial air curtains and the surface will accumulate a lot of dust and dirt, so neatly clean commercial air curtain becomes particularly important! One of today to come and talk about cleaning business air curtain can be divided into several steps?

1, sterilization algae

Add sterilizers to remove various bacteria and algae from the water system.

2, slime stripping

Add the release agent to peel off the slime produced by the inner wall of the pipe and clean the sludge by recycling it.

3, chemical cleaning

Add chemical cleaning agent, dispersant pipe wall of the rust, scale, oil cleaning down to remove.

4, the surface pre-film

To the water system into the pre-film agent, in the metal surface to form a dense polymer protective film played a role in anti-corrosion.

5, adding corrosion inhibitor

To avoid the rust inside the pipeline, while adding anti-scaling agent to prevent calcium and magnesium scale.





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