Function Extensions
The function of the integral Vitotronic can be extended with the following accessories:
- Internal extension H1 or H2 are fitted into the Vitotronic and each performs a safety function plus one additional function (see description).
- H1 Extension; An external safety solenoid valve can be connected
- H2 Extension; Can be used for interlocking external extractors
- Only one internal extension can be fitted into the Vitotronic./li>
- Where additional functions are required for the heating system, use extensions AM1 or EA1 (see description)
- One internal extension can be combined with one further extension.
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