Delta M15A-220 Operation And Installation Manual page 29

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 (4~6 mm²).
• Choose the DC string wire size based on NEC requirements or other local code.
M15A_220 / M20A_220 uses H4 type connectors mounted on the bulkhead to
connect the string to the inverter.
Mating connectors (See Figure 3-14) are provided within the packing.
H4CFC4D-MS H4CMC4D-MS
Figure 3-14: DC wiring illustration
The polarities of DC wiring are divided into positive and negative, layout of the
connectors is shown as Figure 3-15.
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