Viessmann Extension EA1 - function extensions wall mounted to control up 5 fuctions

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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