Delta RPI Series, Operation And Installation Manual

Page: 18 / 154

User should set AC connection (3P3W or 3P4W) by display to make sure voltage
reading is correct. Please refer to 5.2.7.3 Install Setting.
The AC voltage should be as followings:
Figure 4-4 AC plug illustration for M15A/ M20A. (continued)
5. Rotate to tighten the part B first and rotate the gland (part A) to fix wires.
4. Users should use conduit or not base on wire size.
1. Use Te Conduit:
If wire size is 5.2mm
2 ~ 10.0mm 2 .
2. Use Terminal only (remove conduit):
If wire size is 14mm
2 ~ 22mm 2 .
For 3P4W Power system :
There are 5 wires that include
(L1 、 L2 、 L3 、 N) + PE
For 3P3W Power system :
There are 4 wires that include
(L1 、 L2 、 L3) + PE
Conduit
Terminal
L1
L2 L3
N
PE
L1
L2 L3
PE
A
B
3P3W
L1-L2: 400 Vac
±
10%
L1-L3: 400 Vac
±
10%
L2-L3: 400 Vac
±
10%
3P4W
L1-N: 230 Vac
±
10%
L2-N: 230 Vac
±
10%
L3-N: 230 Vac
±
10%
18
Wiring