RVD250-A elektroninis valdiklis

RVD250-A elektroninis valdiklis

Išankstinis užsakymas

Prekės kodas: RVD250A Kategorija:

SiemensPaskirtis: šildymui, karštam vandeniui

Kaina su PVM: 964,25 €

796,90 + PVM

Išankstinis užsakymas

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Aprašymas

RVD250-A elektroninis valdiklis skirtas šildymui, karštam vandeniui

Pagrindinės elektroninio Siemens valdiklio RVD funkcijos:

  • 8 programuojami iš anksto paruošti tipai
  • saulės kolektorius buitinio vandens šildymui
  • buitinio karšto vandens šildymas elektriniu šildytuvu
  • papildymo funkcija
  • komunikacija su Modbus

District heating controller RVD250-A

Multifunctional heating controller for use in district heating substations and district heating plants with LPB and M-bus communication. Suited for one heating circuit with d.h.w. heating in instantaneous systems or with storage tank. 28 programmed plant types. Operating voltage AC 230 V.

Key features:

  • Optimized for low return temperatures in district heating networks.
  • Display of time of day‚ time program‚ setpoints‚ actual values‚ limitations‚ errors‚ etc.
  • Optional remote operation via room unit
  • 2 independent switching programs each with 3 occupancy times per day
  • Yearly clock with automatic summer- / wintertime changeover
  • Power and / or volumetric flow limitation in combination with heat meter
  • Pump and valve protection
  • Automatic monitoring of sensors with display of alarm
  • Locking function for district heat parameters
  • Optional suppression of hydraulic creep
  • Frost protection function
  • DRT limitation for the reduction of peak loads and of idle heat
  • Maximum limitation of the return temperature on the primary side
  • Minimum and maximum limitation of the flow temperature
  • Optimum start / stop control of the heating system
  • Automatic ECO function
  • Legionella function
  • Forced charging function for plant with storage tank
  • Cooling down protection for the primary supply lines
  • Solar d.h.w. heating
  • D.h.w. heating with electric immersion heater
  • Refill function
  • Selectable heating period

Plant-specific:

  • Precontrol internal and interconnected
  • 1 mixing or pump heating circuit
  • D.h.w. heating with selectable priority:
    • Instantaneous systems
    • Storage charging system
    • Storage system with integrated heat exchanger
    • Circulating pump, 2 charging pumps

Papildoma informacija

Paskirtis

Karštam vandeniui, Šildymui

Gamintojas

Siemens