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Viessmann Extension Module EA1 – 7452091

Viessmann Extension Module EA1 – 7452091

$141.25 $282.50

Please call to check availability before ordering Live Chat/01985 850982KMBus Function extension inside enclosure for wall mounting. 1x Analogue input (0 to 10 V) Specification of the set boiler water temperature 3 Digital inputs External changeover of the

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Please call to check availability before ordering Live Chat/01985 850982

KMBus Function extension inside enclosure for wall mounting.

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

    Downloads –

  • Extension EA1 Install

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