Viessmann EM-EA1 extension Z017412
EM-EA1 Extension.
PlusBus subscriber function extension, wall mounted
Using the inputs and outputs allows one of the following functions to be achieved:
Operating mode changeover.
Fault message input 24V and system blocking.
Fault message 230V and system blocking.
External demand (digital).
External blocking.
0-10V analogue input.
230V fault message input and fault message output (potential-free) without system blocking.
External LPG valve
Extractor hood.
Components:
DIO electronics module.
Plug for connecting the functions
Power cable (3.0m long) with plug.
PlusBus connecting lead (3.0m long) with plug.
Supports boiler - Vitodens 100-W, Vitodens 100-W System, Vitodens 200-W, Vitodens 222-F
