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Siemens Building Technologies Basic documentation RVD240 CE1P2384en
HVAC Products 2 Use 27.05.2004
2 Use
2.1 Types of plant
Basically, the RVD240 is suited for the control of all types of heating plants in houses or
buildings
• that are connected to a district heat network
• that use 2 heating circuits
• in which the flow temperature of the heating circuits is controlled either weather- or
room-compensated
• in which the control of d.h.w. heating can be integrated as an option
2.2 Types of houses and buildings
Basically, the RVD240 is suited for use in all types of houses and buildings in which the
heating is controlled either weather- or room-compensated. It has been designed espe-
cially for:
• Single-family homes
• Multifamily houses
• Small to medium-size non-residential buildings
2.3 Types of heating systems
The RVD240 is suited for use with all standard heating systems, such as:
• Radiators
• Convectors
• Underfloor heating systems
• Ceiling heating systems
• Radiant panels
2.4 Heating circuit functions
The RVD240 is used if 1 or several of the following heating circuit functions is / are
required:
• Weather- or room-compensated or weather- and room-compensated flow tempera-
ture control
• Separate flow temperature control of both heating circuits
• Flow temperature control through a modulating seat or slipper valve
• Common or separate heat exchangers for the heating circuits and for d.h.w. heating
• Optimum heating up and setback of the room temperature by learning the switch-on
and switch-off time
• Quick setback with and without room temperature sensor
• ECO function: Demand-dependent switching of the heating system as a function of
the outside temperature
• 7-day program for the heating periods with a maximum of 3 heating periods per day
and varying on times
• Frost protection for the plant and the house or building
• Yearly clock
• Holiday programs
• Independent time programs for space heating and d.h.w.
• Separate time programs for each heating circuit
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