G
Grounding Electrode
Terminal
H
CAUTION
The output ac circuit is considered as a separately derived source. If local codes require grounding of this circuit, use terminal (identify terminal) for bonding this circuit to the enclosure. Ground the enclosure to a suitable grounding electrode in accordance with local code requirements.
I
CAUTION
RISK OF ELECTRIC SHOCK
Heat Sink (IGBT) is not grounded. Test before touching.
J
CAUTION
8A
( control power source switch ) Do not turn off while operating.
K | (For 300kVA) |
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| USE COPPER CONDUCTORS ONLY |
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| REFER TO INSTRUCTION MANUAL REGARDING |
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| TIGHTENING TORQUE OF TERMINAL BLOCKS. |
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| 1 |
| 2 | 3 |
| 4 |
| 5 | 6 | 7 | 8 |
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| 9 |
| 10 | 11 | 12 |
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| U | V | W | - | + | U | V | W |
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| N |
| U | V | W |
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| 480V |
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| 400V |
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| 480V |
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| 480V |
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| AC INPUT | BATTERY BYPASS INPUT |
| AC OUTPUT | |||||||||||||||||||||
*The label G is attached at the ground wire connection point.
**The label E is mounted in the vicinity of the main circuit transformers and reactors that can be seen from the back of the UPS.
Figure 3 - Warning Labels.
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