update:

aded missing:

EN 16905-1:2017 Gas-fired endothermic engine driven heat pumps - Part 1: Terms and definitions
EN 16905-3:2017 Gas-fired endothermic engine driven heat pumps - Part 3: Test conditions
EN 16905-4:2017 Gas-fired endothermic engine driven heat pumps - Part 4: Test methods
EN 16905-5:2017 Gas-fired endothermic engine driven heat pumps - Part 5: Calculation of seasonal performances in heating and cooling mode


complete!

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