Viessmann EM-EA1 Extension Module (7635626)

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.