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8.3.2
Current limiter settings
Here you can set the number of installed phases and the max-
imum current limit. Please note that incorrect setting of the in-
stalled phases (e.g. setting three phases when actually only one
phase is installed) will cause the charging station to go into fail-
ure mode.
The current limiter value can be manually set between 6 – 32 A.
If a value below 6 A is entered, a warning will be shown to
enter a minimum of 6 A.
Example: If the charging station's current limiter is set to 16 A in
the hardware and it is entered and set to 32 A in the web con-
figuration interface, then the station will take 16 A.
8.3.3
Unbalanced load detection
Unbalanced load detection is disabled in web configuration
user interface by default.
The unbalanced load detection function detects if there is an ex-
cessive difference in power consumption between phases.
If one phase draws more than 4.6 kW of power (average of the
last minute) than the other phases in one minute, the load is un-
balanced. Unbalanced load detection detects this situation and
the current is limited so that the phases do not exceed the
power limit.
For example,
Phase 1 power :3 kW,
Phase 2 power :3 kW,
Phase 3 power: 1 kW.
The power limit for phase 1 or phase 2 is
5.6 kW (1 kW + 4.6 kW)
If the voltage is 230 V, the current limit is
5600 / 230 = 24 A.
General formula:
Power limit = (Minimum Power + 4.6) (kW)
Current limit = Power Limit / Voltage (Amps)
5111967A OI-II Webasto Unite
8.3.4
External Input / Dry contact enabled
This option is set to "disabled" by default.
If you want to use the external enable input function, then you
must change this setting to "enabled"
8.3.5
Lockable cable
This option is set to "disabled" in the web configuration user in-
terface. This is the default setting.
8.3.6
Power Optimizer/dynamic load
management
For Power Optimizer Total Current Limit, The value mentioned
in chapter 6.7.4, "Power optimizer / external meter (requires op-
tional accessories)" on page 15 can be set from web configura-
tion interface as shown in figure below.
For Power Optimizer External Meter, the installed external smart
meter must be selected from the drop down list.
Unite Configuration Interface | 8
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