DIN EN 12309-2:2016-04

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Construction and design requirements
6 Operational requirements
7 Test methods
8 Marking and instructions
9 Figures
Annex A (informative) Alternative method for the
        determination of the nominal heat input
        or the maximum and minimum heat input
        for appliances using a pneumatic gas/air
        ratio control system
Annex B (informative) - Calculation of conversions
        of NO[x]
Annex C (informative) - Example of calculation
        of weighting factors NO[x]
Annex D (informative) - Ratio of calorific value
        Gross to Net and Net to Gross for Gas
        Families 1, 2 and 3
Annex ZA (informative) - Relationship between this
         European Standard and the Essential Requirements
         of EU Directive 2009/142/EC relating to
         appliances burning gaseous fuels (codified version)
Annex ZB (informative) - Relationship between this
         European Standard and the requirements of
         Commission Regulation (EC) No 813/2013
Annex ZC (informative) - Relationship between this
         European Standard and the requirements of
         Commission Regulation (EC) N degrees 811/2013
Bibliography

Specifies appliances which includes one or a combination of the following: - gas fired sorption chiller; - gas fired sorption chiller/heater; - gas fired sorption heat pump.