4. Use of domestic installations
If an installation has been well designed and built, it still needs to be properly used and maintained to ensure that it remains safe to use over time.
In general, annual maintenance of all appliances is mandatory.
The operations to be carried out when servicing an appliance or installation have only been described in detail in the regulations for gas CMV installations. For other connected appliances, a French standard on maintenance contracts defines the minimum operations to be carried out.
This maintenance is particularly important for connected appliances whose combustion products may become blocked for accidental reasons.
It is the user's responsibility to have his or her installation and appliances serviced by a competent professional, and to have the flues swept annually.
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Use of domestic installations
DTU composition
The DTUs are mainly :
technical specifications (CCT), originally known as "cahiers des charges", which set out the technical conditions to be met by contractors in selecting and using materials for the various trades;
calculation rules that enable structures to be sized according to operating conditions or construction sites;
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Composition of ATG specifications
The characteristics of tubes, fittings and filler alloys, as well as assembly conditions, are defined in ATG specifications:
B. 521 : Steel tubes and fittings - Filler alloys ;
B. 524: Copper tubes - Fittings - Means of assembly - Filler alloys.
Each specification has several parts....
Technical rules
Technical and safety rules applicable to fuel gas and liquefied hydrocarbon installations located inside residential buildings or their outbuildings:
Order of August 2, 1977 modified by orders of November 23, 1992, October 28, 1993, September 18, 1995, June 26, 1996, September 9, 1996, November 21, 1996, August 5, 1998 and February 5, 1999.
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