Fronius Ohmpilot Bedienungsanleitung Seite 99

(4) Hot water boiler
(5) Temperature sensor PT1000
External source (e.g. gas-fired heating)
(6)
NOTE!
Relay contacts can oxidize.
The voltage must be at least 15 V and the current at least 2 mA, so that the relay contacts
do not oxidise.
Heating element (max. 3 kW)
(7)
(8) Residual current circuit breaker
(9) Automatic circuit breaker max. B16A
Ferrite (included in scope of supply)
(10)
The Fronius Smart Meter records the current power at the feed-in point and transfers the
data to the Datamanager. By controlling the Ohmpilot, the Datamanager adjusts any sur-
plus energy that is available to zero. In detail, this takes place by continuously adjusting
the heating element connected to the Ohmpilot. Surplus energy is consumed using the
heating element in a continuously variable manner.
The temperature is measured by the Ohmpilot. If the temperature falls below the minimum,
then an external source (e.g. gas-fired heating) will be activated until the minimum temper-
ature is reached again, so that the Ohmpilot only uses surplus energy and does not draw
any energy from the grid.
The maximum temperature must be set on the heating element thermostat. If the heating
element does not have a thermostat, the Ohmpilot can also carry out this task as an alter-
native (see chapter Optional settings
The heating element is used for switching the legionella prevention on and off.
This function can also be combined with a 3-phase heating element..
on page 116).
99