UniCoElegance/turbo
ISU-485:2020/BO
Fig.3.8.1 Electric terminals of controller - rear view
Fig.3.8.2 Schematic diagram of electrical connections of the boiler
3.9. Connection of the external temperature sensor
In order to connect the external temperature sensor two-core cable with a core section of 0,5mm
2
needs to be used and it
needs to be connected to terminals marked AFS which are placed under the right flap in control panel (accordingthe indica-
tion on the figure3.8.1).It is recommended to place the external temperature sensor on the north side of the building and
not to expose it o the sun.
3.10. Electrical connection of the tank to the boiler
To connect the tank, you should:
•
NTC sensor wire should be connected in accordance with information label (Figure 3.8.1) to the terminals marked "CZ",
after removing the resistor connected to the "CZ" terminals. The other end of the wire with the sensor should be placed in
a tank at the point marked NTC.
•
Connect the three way valve wire in accordance with the above mentioned information label to the terminals marked
"CWU, CO,WSP."(seeFigure 3.10.1)
Fig.3.10.1 Electrical connection of the three way valve type 500.390
