Flywheel Transformer
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| Illustration 1 | g01277831 |
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(1) Transformer "T2"
(1) Transformer "T1" | |
Transformer "T1" (2) and Transformer "T2" (1) are multitap transformers that provide AC power to the Power Distribution PWA. Transformer "T1" (2) is supplied from the input of the UPS. Transformer "T2" (1) is supplied from the protected output of the UPS. The transformers are installed on the left panel of the cabinet. Refer to Illustration 1 for the locations of the transformer.
Refer to Systems Operation, Testing and Adjusting, RENR9988, "Internal Component Preremoval Steps (Flywheel Cabinet)" in order to shut down the system and gain access to internal components.
- Remove the two screws that attach the thermistor to the terminal block.
- Remove each thermistor from the terminal block.
Note: One screw is attached to the "H1" terminal connector and one screw is attached to the "COM" or "H2" terminal connector.
- Place one lead of the thermistor into the "H1" connector. Place one lead into the "COM" or "H2" connector. Refer to Illustration 2.
- Tighten the two screws in order to firmly attach the thermistor.
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| Illustration 2 | g01277850 |
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Wiring for the Transformer | |
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| Specifications for the Transformer | |||
| Input (V) | Output (V) | Wire Gauge (AWG) | |
| T1 | 380, 400, 415, 480 | 190, 230 | 10-22 |
| T2 | 380, 400, 415, 480 | 190, 230 | 10-22 |
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| Specifications for the Thermistor | ||
| Size | Ohm | |
| T1 | 32 mm | 20 |
| T2 | 32 mm | 20 |
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