Connections - Alpha-InnoTec HT 6Split Installation And Operating Manual

Temperature limiter
Temperature limiter (FD1) cuts off the power supply
of the electrical heating module if the temperature
increases to the range of approximately 98°C or de-
creases below -8°C, and can be reset manually.
IMPORTANT
In the case of the thermal fuse, please report it to an au-
thorized service facility to eliminate the possible cause.
Resetting
Temperature limiter (FD1) is accessible behind the
front cover. Temperature limiter is reset by strong
pressing of the button (FD1-SF2) using a small screw-
driver. Press the button, max. 15 N (approx. 1.5 kg).
Cable blockade
Use an appropriate tool to release/block cables in the
internal module clamps.
Chapter 6 |
28 Electrical connections

Connections

400V power connection
The power connection is connected to terminal (X0)
via the input on the back of the unit. The cable should
be dimensioned in accordance with the applicable
standards.
400V connection allows for maximum power of 9kW
on the additional heater. The connection should be
FD1
made according to the diagram used in the operating
instructions.
400V power supply connection diagram
FD1-SF2
IMPORTANT
To prevent interference, do not lay unscreened com-
munication and / or signal cables to external contacts
less than 20 cm from high-current cables.
IMPORTANT
The electrical installation to which the device will be
connected should be made in accordance with current
regulations.
L1 L2 L3 N PE
X0
IMPORTANT
When a 400V connection is used, the maximum pow-
er of the electrical module used in the HT Split unit is
9kW.
IMPORTANT
In the case of dual tariff power supply, it is advisable
to connect a neutral wire from the power supply circuit
(meter).
Remove the
bridge for double
tariff control
HT 6Split
HT 12Split