AC•THOR
®
/ AC•THOR
®
9s Operating instructions, version a0020000 8
Help
After activation, brief information on the current view appears on the display. In the web interface
the button leads to the online Operation Manual which corresponds to the firmware version installed.
4. Operating modes
You will find wiring diagrams for the respective operating modes and for wiring three-phase
heating elements in the assembly instructions supplied with the AC•THOR, as well as in the
latest version at any time on www.my-pv.com.
M1: Hot water
AC•THOR: Hot water with a single-phase immersion heater
AC•THOR 9s: Hot water with a three-phase immersion heater or with 3 single-phase immersion
heaters
TIP for AC•THOR:
A single-phase heating element does not necessarily have to have 3kW power. Of
course, smaller outputs such as 2kW are also possible!
TIP for AC•THOR 9s:
A three-phase heating element does not necessarily have to have 9kW power.
Smaller outputs such as 4.5kW, 6kW or 7.5kW are also possible!
Likewise, three single-phase elements can have a power of less than 3kW!
Explanation
In this operating mode, an electric heating element is supplied linearly with excess PV energy. It can
be fitted with a bimetal thermostat to switch off when the temperature for which it is set is reached.
Otherwise the my-PV temperature sensor is to be used.
With AC•THOR 9s in operation with three single-phase heating elements, bimetal thermostats
must be present on all three immersion heaters!
Optionally, the AC•THOR can also take over guaranteeing the hot water temperature. For this, the
my-PV temperature sensor is to be used.
The my-PV temperature sensor is in all cases to be installed in the storage tank above the
heating element to provide a reliable reading!
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