Siemens RVL471 Basic Documentation page 14

Heating and domestic hot water controller

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Siemens Building Technologies

HVAC Products

• Third 7-day switching program

• Input of 8 holiday periods per year

• Automatic summer- / wintertime changeover

• Display of parameters, actual values, operating state and error messages

• Communication with other units via LPB

• Remote operation via room unit and external switches

• Service functions

• Frost protection for the plant, the boiler and the house or building

• Minimum or maximum limitation of the return temperature

• DRT limitation

• Minimum and maximum limitation of the flow temperature

• Maximum limitation of the room temperature

• Periodic pump run

• Pump overrun

• Maximum limitation of the rate of setpoint increase

• Flow alarm

• Legionella function

• Manual d.h.w. charging

For the preprogrammed heating and d.h.w. heating circuits and their possible combina-

tions, refer to section 3.2 "Plant types".

Basic Documentation RVL471

2 Use

CE1P2524E

23.10.2002

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