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Installation
3.5.1 DC Wiring Installation
Please read the following instructions for connecting DC connector :
• Ensure the DC conductors used are Cu and sized to the correct ampacity per
NEC or other local code
• Strip off all wires for 6.5~7.5 mm.
• The cross-sectional area for each DC conductor is 12/10 AWG (4/6mm
2
) .
M70A_262 use the bulkhead mounted H4 type connectors for interconnecting
string wiring to the inverter. Mating connectors (See Figure 3-15) are provided
within the hardware bag.
H4CFC4D-MS
H4CMC4D-MS
Figure 3-15:
DC Wiring illustration
• Choose the DC string wire size based on NEC requirements or other local code.
DC wiring polarities are divided into positive and negative, and the layout of the
connectors is shown in Figure 3-16.
• After DC Wiring installing, insert the protective frame for DC connector and the
method is shown in Figure 3-17.
34
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