Danfoss iC7 Series Installation Manual page 7

Installation Guide | iC7 Series Pre-charging Unit
Terminals
3.4
LINE1 LINE3 LINE5
Figure 6: Terminals of the Pre-charging Unit
Left Pre-charging unit 10/20
Table 6: Pre-charging Unit Terminal Descriptions
Terminal Description
LINE1 AC-supply connection point for pre-charging circuit
LINE3
LINE5
DC+ Pre-charging circuit, DC terminal connection point
DC-
A1 Pre-charging circuit, contactor coil terminal. Coil voltage range 100–250 V AC, 50/60 Hz.
A2
PE Grounding terminal for the pre-charging circuit
See the wiring diagrams in 3.6 Pre-charging Unit Wiring Diagram
3.5 Installing the Power Cables
1. Attach the mains cable to the mains terminals Line 1, Line 3, and Line 5 of the pre-charging unit.
a.
Attach the grounding conductor of the mains cable to the PE terminal of the pre-charging unit.
See the cable requirements in
See the location of the mains terminals in
2.
Attach the DC cable to the DC terminals DC+ and DC- of the pre-charging unit.
See the cable requirements in
See the location of the DC terminals in
Danfoss Drives Oy © 2025.01
A1 A2
PE DC+ DC-
3.2 Cable Requirements.
3.4 Terminals.
3.2 Cable Requirements.
3.4 Terminals.
LINE1 LINE3 LINE5
Right Pre-charging unit 30
and 3.7 Pre-charging Control Wiring
Electrical Installation
A1 A2
PE DC+ DC-
Diagrams.
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