RAL UZ 61:2011被替代
Basic Criteria For Award Of The Environmental Label - Low-Emission And Energy-Saving Gas-Fired Calorific-Value Heating Devices
出版：Deutsches Institut F. Guetesicherung and K
專家解讀視頻
Applies to gas-fired calorific-value appliances, a) according to DIN 4702, Part 6, with a nominal thermal output of up to and including 70 kW designed for the use of natural gas the exhaust gases of which are discharged via an over-roof exhaust-gas system according to DIN 18160 approved by the building inspection authorities. b) according to DIN 3368, Parts 7 and 8, with a nominal thermal output of up to and including 70 kW designed for the use of natural gas the exhaust gases of which are discharged via an over-roof exhaust-gas system approved by the building inspection authorities or via an exhaust-gas pipe tested together with the appliance. c) according to DIN EN 677 with a nominal heat load of up to and including 70 kW designed for the use of natural gas the exhaust gases of which are discharged via an over-roof exhaust-gas system approved by the building inspection authorities or via an exhaust-gas pipe tested together with the appliance.
