Self adjusting valves operated on auxiliary energy; regulating device with or without shutting-off (zero-shut-off), class R<(Index)m> and R<(Index)o>— 2 стр.
Medium Temperature Hot Water Systems (MTHWS) with a boiler flow temperature up to 95 °C and forced flow boilers with rated output up to 50 kW; specification for sealed systems using thermostatic control; safety equipment— 5 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); installation of central heating systems and hot water supply systems— 20 стр.
Contract procedures for building works - Part C: General technical specifications for building works - Systems for heating and central water heating— 21 стр.
Contract procedures for building works - Part C: General technical specifications for building works; systems for heating and central water heating— 21 стр.