Electrical Installation For Ac Wiring; Ac Grid Types And Connections - Delta M100 210 Operation And Installation Manual

3.4 Electrical Installation for AC Wiring

- To avoid shock hazard during cabling, insure any live grid connections are
removed from the inverter.
- Without rain cover or protection, never perform any wiring or maintenance
operations under rainy conditions.
- Code compliance is the installer's responsibility.
- Inverter warranty void if the DC input voltage exceeds 1100 Vdc.
- After the wiring operations, please close the door immediately and fully tighten
both toggle latches.
CAUTION : INVERTER AND EQUIPMENT DAMAGE MAY OCCUR !
- Installation for AC terminal must meet the local electrical code.
- Failed to follow the instructions may damage AC cable.
- In order not to damage the components in the inverter, ensure the correct
conductor is connected to the appropriate AC terminal on the inverter.
Please follow the instruction of Section 5.1 to open or close M100_210 door.

3.4.1 AC Grid Types and Connections

The default AC Grid connection is 3Ø-4W. It can also connect 3Ø-3W without
Neutral (N). The inverter will operate from the following grid connections without
need of an external transformer:
TN-C
TN-S
* Make sure the voltage from L1, L2, and L3 to PE(Protection Earth) in IT system is
always in the range of ± 600V.
DANGER : ELECTRICAL HAZARD!!
WARNING !
CAUTION: WRONG AC WIRING !
ATTENTION
TN-C-S
L1
L2
L3
PE/N
Inverter
TT
L1
L2
L3
N
PE
Inverter
L1
L2
L3
N
PE
Inverter
L1
L2
L3
N
Inverter
29
Installation
IT *
L1
L2
L3
Inverter