Extension EA1

£314.40
£172.92 inc VAT
1 In Stock

KMBus Function extension inside enclosure for wall mounting.
Using the inputs and outputs allows up to 5 functions to be achieved:

1x Analogue input (0 to 10 V)

  • Specification of the set boiler water temperature

  • 3 Digital inputs

  • External changeover of the operating status for heating circuits
  • 1 to 3 with control unit for weather-compensated mode
  • External blocking
  • External blocking with central fault message
  • External demand for a minimum boiler water temperature
  • Fault messages
  • Brief operation DHW circulation pump, with control unit for weather-compensated mode
  • 1 switching output (floating changeover contact)

  • Central fault message output
  • Control of feed pump to a substation
  • Control of DHW circulation pump with control unit for weather-compensated mode
  • Fits:

  • Vitotronic
  • Vitotronic 200
  • Note: Not compatible with Vitodens 200-W EM Plusbus

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