System design
CAUTION!
Danger from connecting an electronic thermostat.
This would destroy the Ohmpilot or the connected load.
▶
Use mechanical temperature switches.
CAUTION!
Danger due to connection of an incorrect load (e.g. fan heater).
This may result in destruction of the load.
▶
Connect only purely resistive loads.
NOTE!
Phase control
The sum of all phases forms the basis for Ohmpilot control. The Ohmpilot is not
suitable for phase-accurate billing.
NOTE!
Ohmpilot and Fronius Datamanager 2.0 / Fronius Hybridmanager
Only one Ohmpilot can be connected per Fronius Datamanager 2.0 / Fronius Hy-
bridmanager.
NOTE!
Ohmpilot and dynamic power reduction
From software version 3.13.1-x of the Fronius Datamanager or 1.11.1-x of the
Fronius Hybridmanager, the Ohmpilot can be used together with dynamic power
reduction from 0-100%.
NOTE!
Use of other generation sources
Other generation sources can also be used in conjunction with the Fronius
Datamanager Box 2.0, e.g. CHP, third-party inverters, etc. Generated power and
consumption data cannot be acquired for other generation sources, so these fig-
ures cannot be displayed in Fronius Solar.web.
NOTE!
Backup power
Due to the high heat output, the Ohmpilot cannot be operated in backup power
situations.
▶
Install the Ohmpilot outside the backup power circuit.
NOTE!
Calcification of the connected heating element
Calcification can occur with hard water, especially if the minimum temperature is
set above 60 °C. An annual inspection of the heating element is recommended.
▶
Remove the heating element from the tank and remove the limescale;
▶
do not scratch the surface of the heating element while doing so.
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