Huawei SUN2000 Series Quick Manual page 6

4
Autotransformer Cables Connection
Cables connecting between the autotransformer and SUN2000
Autotran
Inverter
sformer
L1 (back up
L1 (input)
port)
L2 (back up
L2 (input)
port)
Cables connecting between the SUN2000 and AC panel, backup AC panel
Inverter
L1 (AC GRID)
N ((AC GRID)
L2 (AC GRID)
Cables connecting between the autotransformer and AC panel, backup AC panel
Autotransformer
L1 (output)
N (output)
L2 (output)
N (input)
Type
•
Use cables that can withstand
90°C (194°F) or 105°C
(221°F).
•
Two single-core outdoor
copper cables
Type
•
Use cables that can withstand
90°C
•
(194°F) or 105°C (221°F).
•
If the output mode is set to
L1/L2/N, use four single-core
outdoor copper cables (L1, N,
L2, PE).
•
If the output mode is set to
L1/L2, use three single-core
outdoor copper cables (L1, L2,
PE).
Type
•
Use cables that can withstand
90°C (194°F) or 105°C
(221°F).
•
Five single-core outdoor
copper cables
Conductor Cross-
sectional Area Range
•
12–6 AWG (SUN2000-
3.8KTL/5KTL/7.6KTL-
USL0)
•
10–4 AWG (SUN2000-
9KTL/10KTL/11.4KTL-
USL0)
Conductor Cross-
sectional Area Range
•
SUN2000-
3.8KTL/5KTL/7.6KTL-
USL0：
•
L1, N, L2:
•
12–6 AWG (SUN2000-
3.8KTL-USL0)
•
10–6 AWG (SUN2000-
5KTL-USL0)
•
6 AWG (SUN2000-
7.6KTL-USL0)
•
PE: 6 AWGSUN2000-
9KTL/10KTL/11.4KTL-
USL0：
•
L1, N, L2:
•
6–4 AWG (SUN2000-
9KTL/10KTL-USL0)
•
4 AWG (SUN2000-
11.4KTL-USL0)
•
PE: 6 AWG
Conductor Cross-
sectional Area Range
10–6 AWG
8 AWG
5
Source
Prepared by
the
customer
Source
Prepared
by the
customer
Source
Prepared by
the
customer