CEN/TR 14739:2004

Scheme for carrying out a risk assessment for flammable refrigerants in case of household refrigerators and freezers

Publication date:   Aug 10, 2006

General information

60.60 Standard published   Sep 1, 2004

CEN

CEN/TC 182 Refrigerating systems, safety and environmental requirements

Technical Report

71.100.45   Refrigerants and antifreezes | 97.040.30   Domestic refrigerating appliances

Buying

  Published

PDF - €43.97

  English  



Buy

Scope

The document gives a scheme for carrying out a risk assessment for flammable refrigerants in case of house-hold refrigerators and freezers with refrigerants of group A3 according to EN 378 1, taking into consideration a sealed system and a refrigerant charge of not more than 150 g. Sealed systems are refrigerating systems in which all refrigerant containing parts are made tight by welding, brazing or similar permanent connection.
NOTE For risk assessment the method with flow diagrams is selected, because these are helpful for checking the possible ignition of the whole appliances and to estimate the probability of ignition. It takes EN ISO 12100, EN 1050, EN 1127, EN 60335 2 24/A53, E DIN 7003 into consideration.
At least the probability of deflagration is the product of multiplication of the probability of defects of different components and the probability for the presence of explosive atmosphere and the probability for the ignition sources.

Life cycle

NOW

PUBLISHED
CEN/TR 14739:2004
60.60 Standard published
Sep 1, 2004