Electromagnetic compatibility (ЕМС). Part 3-11. Limits. Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems for equipment with rated current no more 75 A and subject to conditional connection
Non-domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW, without a fan to assist transportation of combustion air and/or combustion products. The general technical requirements and test methods