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Key to Y-cable variant 3 & 4 Quantity:
(1) PD-ED6/Y-120 (1+/2-)
(2) PD-ED6/Y-120 (2+/1)
Tab. 3: Restrictions / Possible accessories
ž
Menu item: All DC inputs parallel
WARNING
Damage to the device due to overloaded DC plug connectors
In DC parallel operation, the internal cabling is not designed to carry a current of over 20 A per DC plug con-
nector.
›
Each DC plug connector must not exceed a current of 20 A. Exceeding this limit can lead to serious dam-
age to the device.
›
In the following illustration, Y-cables have been used to interconnect 2 trackers. This configuration must
be transferred to all other trackers (3 / 4; 5 / 6; 7 / 8; 9 / 10) when used.
NOTE
Variante „L" (mit Arc Fault Protection Equipment)
The function "All DC Inputs Parallel (Pairwise Parallel)" is in the software version V.5.1.7.2 For devices with
"ARC," the feature is not included. For all other devices without ARC, the function can be activated accord-
ing to the following connection diagram.
1
1
(1)
2
2
n
n
n
1
3
2
n
n
n
x
x
x
Fig. 8: Connection diagram: 1 string parallel across 2 MPP trackers and each string separately on one MPP tracker.
Limitations / Required Accessories
Max. 20 A at the Y-connector (
MPP-Tracker)
10x (8x) Y-Kabel (1x PV-/PV+)
Tab. 4: Electrical Data of the Installation
B/ M/ MF/ L
3
(2)
(2)
(1)
4
M8
(1) PD-ED6/Y-120 (2+/1-)
(2) PD-ED6/Y-120 (1+/2-)
)) and 20 A at each connector (MPP-Tracker 1/
n3
Min. 4 Y-cables (2 PV+/PV-
each) for 2 strings
CAUTION! String fuses may be required depending on the
selected PV modules. Heed the information provided by
the module manufacturer.
5
7
(2)
(1)
(1)
6
8
M10
...
...
...
...
...
...
...
...
& MPP-Tracker 2/
n1
Min. 2 Y-cables (1 PV+/PV-
each) for 1 string
9
(2)
(2)
(1)
10
) (max. 30 A per
n2
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