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Second, the transformation of the principle and steps 1, explosion-proof air conditioning inside the circuit board and electronic control components are removed to the explosion-proof box, explosion-proof explosion-proof box flameproof joint explosion parameters should be consistent with GB3836.2-2010 Chapter 5 Provisions.
2. The clearances and creepage distances of explosion-proof air-conditioning flameproof chambers shall comply with the provisions of Article 7.1.3 of GB14048-2006. The electrical clearances and creepage distances within the increased safety chambers shall comply with the provisions of Chapter 4 of GB3836.3-2010.
3, explosion-proof air conditioning inside the wires are fire-retardant wire, or equipped with flame retardant jacket.
4. Explosion-proof air-conditioning cable introduction device meets the requirements of explosion-proof, with anti-explosion winding connection tube introduced, and the power and signal cables are introduced with armored cables. And comply with the provisions of Article 16 of GB3836.1-2010.
5, explosion-proof air-conditioning indoor and outdoor fan motor by explosion-proof processing. (On-hook air conditioner internal motor space limited sealing process)
6. The explosion-proof air conditioner compressor, four-way valve and high-pressure switch adopt encapsulation type, and there should be no visible gap in the encapsulant of the encapsulation type component, and the sealing device and encapsulation conforming to Article 26.6.1 of GB3836.8-2003. The test of the device. The thermal stability of the encapsulant meets the requirements of Chapter 12 of GB3836.1-2010.
Explosion-proof air conditioning modification instructions
First, explosion-proof air conditioning standards and basis of explosion-proof air conditioning is based on GB3836.1-2010 "Explosive atmospheres Part 1: General requirements for equipment", GB3836.2-2010 "Explosive atmospheres Part 2: Protection by explosion-proof housing "d" Equipmentâ€, GB3836.3-2010 “Explosive atmospheres Part 3: Equipment protected by increased safety “eâ€, GB3836.4-2010 “Explosive atmospheres Part 4: Equipment protected by intrinsically safe “iâ€â€ GB3836.8-2003 "Electrical equipment for explosive gas atmospheres - Part 8: "n" type electrical equipment, retrofitted.