2.3.3 Cable sizes
• Power cord size: for cables of a maximum length of 20 metres (calculation basis: 5A/mm²), this must be
checked and adapted depending on the installation conditions.
Current input
Single-phase
Power
230V~ - 1L -
50/60Hz
12kW
53A
15kW
66A
18kW
/
21kW
/
24kW
/
2.4 I Option connections
2.4.1 "Remote "On/Off" control" option
• This option allows the "remote On/Off" function to be enabled by way of a switch installed remotely.
• To connect, couple the remote "On/Off" switch (not provided) to terminals 1 - 2 using a power cord.
Connecting the "Remote "On/Off" control" to a
single-phase appliance
: Earth
N: Neutral
L: Phase
: Neutral phase
Cable size
Three-phase
Single-phase
400V~ - 3L -
230V~ - 1L - 50/60Hz
50/60Hz
/
3 x 16 mm
22A
3 x 16 mm
26A
/
31A
/
35A
/
Three-phase
400V~ - 3L - 50/60Hz
3G16
/
2
3G16
5 x 6 mm
2
/
5 x 6 mm
/
5 x 10 mm
/
5 x 10 mm
Connecting the "Remote "On/Off" control" to a
three-phase appliance
: Cable
: Power cord*
: Heater terminal block
: Switch box**
** Protection with 30 mA residual current circuit breaker at the head of
/
5G6
2
5G6
2
5G10
2
5G10
2
* See § "2.3.3 Cable sizes"
the line.
EN
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