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INSTALLATION
3.3.3. PV Combiner Box (If applicable)
1
Figure 3-11 PV Combiner box
Table 16 Wiring definition of the combiner box:
No
Description
1
PV IN +
2
Molded case circuit breaker
3
DC OUT+
4
DC OUT-
04
INSTALLATION
4.1 Installation Precautions
The following sites are not allowed for installation:
A.
Sites which are salty and where humid air can penetrate.
B.
Flooded areas.
C.
Earthquake areas（additional security measures are required here）.
D.
Sites that are higher than 3000 meters above the sea level.
E.
Sites that are in an explosive or potentially explosive atmosphere.
NC
DC+
DC- NC
R
P/T
7
ESC
-
+
SET
ANT
DATA
485A
GND
VCC
VCC
VCC
GND
485B
NC FG
2
6
3
4
5
No
Description
5
HALL sensor
6
PV IN -
7
RS485
15
16
F.
Sites with extreme changes of ambient temperature.
G.
Sites with highly flammable materials or gases.
4.2 Parts List
1 X Power Cable
420 mm, Black-Red,
BAT-BAT
1 X Communication
Cable 500 mm,
BAT-HV Box
1 X Power Cable
2500 mm, Black-Black,
BAT-HV
1 X Communication
Cable 2500 mm,
TOP BMU-HV BOX
Table 17 Parts List
M48112-S
1 X Communication
Cable280 mm,
4 X M6*16
BAT-BAT
HV900112
4 X M6
4 X M6*16
Gouding Serrated
Washer
1 X Power Cable
AC Auxiliary Power
130 mm, Red-Red,
Cable 7000 mm
BAT-HV
DC Junction box (With TOP BMU Box)
4 X M6*16
1 X Terminal Resistance
INSTALLATION
4 X M6
Gouding Serrated
Washer
1 X Terminal
Resistance
4 x M6
Gouding Serrated
Washer