Dc Wiring Installation For 122 Models - Delta M42U Operation And Installation Manual

Grid-tie transformerless solar inverter
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3.4.3 DC Wiring Installation for 122 models

Please read the following instructions for connecting DC terminals (122 models):
• It is important to choose the proper size for DC cable.
• The cross-sectional area for each internal cable is 12~10 AWG (4~6mm²).
DC wiring polarities are divided into positive and negative, which is shown in
Figure 3-17. The connection shall be coherent with the indication marked on
inverter.
+01 +02 +03
+04 +05 +06
Figure 3-16: Location for DC terminals for 122 models
PV-KBT 4/6 Ⅱ
IN 1
IN 1
Fuse Board 1
-01 -02 -03 -04 -05 -06
+01
+02
+03
+04
+05
+06
- 02
- 03
- 04
- 05
- 06
-01
+
-
IN 1
IN 1
Figure 3-17:
+01 +02 +03
+04 +05 +06
+01
+02
+03
+04
- 02
- 03
- 04
-01
IN 2
IN 2
PV-KST 4/6 Ⅱ
DC Wiring illustration
41
IN 2
IN 2
Fuse Board 2
-01 -02 -03 -04 -05 -06
+05
+06
- 05
- 06
Installation

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M36uM28uM80uM60u

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