3. DTU 68.3 standard

DTU 68.3 has been in force since 1 ^er September 2013 for private contracts, and since 1 ^er October 2013 for public contracts. Its wording has been brought into line with European standards.

The standard NF DTU 68.3 is not a compilation of DTU 68.1 and 68.2.

In this new standard, design, dimensioning, implementation and commissioning are covered in Part 1-1. This part is divided by type of mechanical ventilation system:

• general rules ;

• Self-adjusting single-flow CMV ;

• gas-fired CMV ;

• double-flow CMV.

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