11.5.2Grounding Configuration (without input neutral)
When the input source is
The jumper cable should stay in place. See Figure 11.12 for the jumper cable location.
If a ground fault interrupter is installed, the UPS is likely to trip the interrupter during transferring to/from the bypass circuit. It is recommended that the ground fault interrupter be set to a minimum delay of 0.5 seconds.
Input Source |
| < UpS Cabinet > | |
|
| ||
3 | 3 |
| |
| N |
| |
N | 3 |
| |
3 | 3 | ||
| |||
|
| N | |
G | G | G |
3
N | To the |
G | load |
|
Jumper Cable
remains in place
FIGURE 11.13 - GROUNDING CONFIGURATION WITHOUT INPUT NEUTRAL
11.5.3Recommended Configuration (for delta-input)
If the input source is a
The jumper cable should stay in place. See Figure 11.12 for the jumper cable location.
Input Source |
| < UpS Cabinet > |
|
| |
3 | 3 |
|
| N |
|
3 | 3 | 3 |
| ||
|
| N |
G | G | G |
3
N | To the |
G | load |
|
Jumper Cable
remains in place
FIGURE 11.14 - GROUNDING CONFIGURATION FOR NON-GROUNDED DELTA-INPUT
G8000 Series Installation and Operation Manual | 41 |