PARALLEL INSTALLATION
NOTE Input neutral must be wired for proper operation. Failure to connect an input neutral will void the warranty.
Table 2. UPS Terminal Block Wiring
Wire Function | Terminal | Upstream | Minimum | Tightening | Conduit Connection |
| |
Position | Circuit Breaker | Wire Size* | Torque | (Entry Size) |
| ||
|
|
| |||||
Input | Ground |
| 8 AWG |
|
|
| |
|
|
|
|
|
|
|
|
| L1 | 100A | 3 AWG | 25 lb in | 2” access hole for | ||
|
|
|
|
| |||
|
|
|
|
| |||
| Neutral |
| 3 AWG | (2.83 Nm) | |||
|
|
|
|
|
|
|
|
| L2 | 100A | 3 AWG |
|
|
| |
|
|
|
|
|
|
|
|
Output | L1 |
| 3 AWG |
|
|
| |
|
|
|
|
|
|
|
|
| Neutral |
| 3 AWG | 25 lb in | 2” access hole for | ||
|
|
|
|
| |||
|
|
|
|
| |||
| L2 |
| 3 AWG | (2.83 Nm) | |||
|
|
|
|
|
|
|
|
| Ground |
| 8 AWG |
|
|
| |
|
|
|
|
|
|
|
|
*Use only
TB1 | 1 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|
| 2 |
|
|
|
|
|
|
InputOutput
Figure 10. UPS Terminal Block
18 | EATON Powerware® 9155 Parallel UPS |