Installation Drawings
Figure 36 NX 1+1 parallel cabinet interconnections
1+1 Parallel Cabinet
(Front View Without Front Door and Panel)
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| J |
| J |
| J |
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| A |
E1,E2 | D1 |
| D1 |
| K1 | H |
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D2 | H | D2 | H | K2 |
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| B | |||||
F1,F2 |
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C | F1, F2 | I | F1,F2 | I | D1 |
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K1,K2 |
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G |
| G |
| D2 |
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D1,D2 |
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| A | G | I |
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| F1,F2 | |||
I |
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| E1,E2 | ||
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UPS Module Left Side View |
| Type A00 |
| Type BR0 |
| Type DR1 & CR1 |
(Without Side Panel) |
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NOTES:
1.All
2.All interconnection cable and hardware supplied by others.
3.AC connections must be made to the UPS modules before attaching paralleling cabinet to UPS modules.
4.Utility AC source neutral not required for maintenance bypass/transformer cabinet type CR1.
5.Paralleling cabinets must between both UPS modules.
6.Refer to the individual drawing of each piece of equipment for additional details
Table 18 Liebert-supplied interconnect wiring
Run | From | To | Conductors | Cabinet Type |
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A | Utility AC Source | Paralleling Cabinet | PH A, B, C - Bypass | BR0, CR1, DR1 |
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B | Utility AC Source | Paralleling Cabinet | Neutral - Bypass | BR0, CR1, DR1 |
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C | Utility AC Source | UPS Module AC Input | PH A,B,C - UPS | A00, BR0 |
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D1 | UPS #1 Module AC Output | Paralleling Cabinet | PH A, B, C - UPS | A00, BR0, CR1, DR1 |
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D2 | UPS #2 Module AC Output | Paralleling Cabinet | PH A, B, C - UPS | A00, BR0, CR1, DR1 |
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E | Utility AC Source | UPS #1 Module AC Input | Neutral - UPS Input | A00, BR0, CR1, DR1 |
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E2 | Utility AC Source | UPS #1 Module AC Input | Neutral - UPS Input | A00, BR0, CR1, DR1 |
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F1 | Paralleling Cabinet | UPS #1 Module AC Output | Neutral - UPS Output | A00, BR0, CR1, DR1 |
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F2 | Paralleling Cabinet | UPS #1 Module AC Output | Neutral - UPS Output | A00, BR0, CR1, DR1 |
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G | Paralleling Cabinet | Load AC Connection | Neutral - Load | A00, BR0, CR1, DR1 |
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H | Paralleling Cabinet | Load AC Connection | PH A, B, C - Load | A00, BR0, CR1, DR1 |
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I | Utility AC Source | All Ground Connections | Ground | A00, BR0, CR1, DR1 |
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J | Monitoring Terminal Block | UPS Parallel Logic Board (M3) | Auxiliary Contacts | A00, BR0, CR1, DR1 |
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K1 | UPS #1 Module AC Input | Paralleling Cabinet | PH A, B, C - UPS | CR1, DR1 |
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K2 | UPS #1 Module AC INPUT | Paralleling Cabinet | PH A, B, C - UPS | CR1, DR1 |
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