DIN 1946-6 Supplement 3 PDF

Ventilation and air conditioning – Part 6: Ventilation for residential buildings – General requirements, requirements for measuring, performance and labeling, delivery/acceptance (certification) and maintenance; Supplement 3: Combined and non-combined operation of ventilation installation packages and single room fireplaces for solid fuels – Installation guide
Amendment by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/2017