This instruction 29 of the Low Voltage Electrotechnical Regulation

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MIE APQ1 Storage of flammable and combustible liquids and the MIE APQ4 Storage of anhydrous ammonia. The UNEEN 378 standard It deals with refrigeration systems and heat pumps in terms of their safety and environmental requirements. It consists of four parts which are listed below UNEEN 3781  Part 1  basic requirements definitions classification and selection criteria. UNEEN 3782 Part 2  design manufacturing testing marking and documentation.

UNEEN 3783 Part 3  in situ installation and protection of people. UNEEN 3784 Part 4  operation maintenance repair and recovery. Complementary Technical Instruction ITCBT29 of the REBT. This instruction 29 of the Low Voltage Electrotechnical Regulation establishes photo background removing the specific requirements for electrical installations in premises with risk of fire and explosion. In this regard you can also consult the TECHNICAL APPLICATION GUIDE. Safety regulations for refrigeration installations.

The main regulation that defines the design of ammonia refrigeration installations is RD 1382011 of February 4 which approves the safety regulations for refrigeration installations and their complementary technical instructions. Such is the importance of this regulation in the safety of ammonia installations that it has been dealt with more extensively in the article Application of the Safety Regulation of Refrigeration Installations with ammonia .