ONORM M 7762-1986 Heat pumps with electrically driven compressors; type testing of heat pump Systems for the heating of drinking and process water up to 2,5 kW rated electric power; marking of conformity
1986ONORM M 7762-1986 Heat pumps with electrically driven compressors; type testing of heat pump Systems for the heating of drinking and process water up to 2,5 kW rated electric power; marking of conformity