Tripp Lite S3M60K60K6T Owners Manual for S3MT-Series 3-Phase 480V-208V and 600 - Page 16

Operation

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4. Operation WARNING: It is not advised to connect two UPS in parallel when using individual transformers for each UPS. 4.1 Over-Temperature Protection 4.1.1 Over-Temperature Red Warning LED Light The transformer includes a warning LED light on the top portion of the front panel. The light turns ON when the transformer reaches a temperature of 160°C ±5°C, i.e. a range of 155°C to 165°C (311°F to 329°F). The light turns OFF when the transformer cools to a temperature of 125°C ±5°C, i.e. a range of 120°C to 130°C (248°F to 266°F). 4.1.2 Over-Temperature Protection Relay and Thermal Switch The transformer includes an over-temperature protection relay and thermal switch to protect the transformer from overheating. At temperatures of 160°C ±5°C, i.e. a range of 155°C to 165°C (311°F to 329°F), an over-temperature protection relay and thermal switch will activate and will open the output breaker of the transformer. Once the transformer temperature has cooled down and the warning LED light has turned OFF, you may manually re-activate (close) the output breaker to restart normal operation. 16

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16
4. Operation
4.1 Over-Temperature Protection
4.1.1 Over-Temperature Red Warning LED Light
The transformer includes a warning LED light on the top portion of the front panel. The light turns ON when the transformer
reaches a temperature of 160°C ±5°C, i.e. a range of 155°C to 165°C (311°F to 329°F). The light turns OFF when the
transformer cools to a temperature of 125°C ±5°C, i.e. a range of 120°C to 130°C (248°F to 266°F).
4.1.2 Over-Temperature Protection Relay and Thermal Switch
The transformer includes an over-temperature protection relay and thermal switch to protect the transformer from overheating.
At temperatures of 160°C ±5°C, i.e. a range of 155°C to 165°C (311°F to 329°F), an over-temperature protection relay and
thermal switch will activate and will open the output breaker of the transformer. Once the transformer temperature has cooled
down and the warning LED light has turned OFF, you may manually re-activate (close) the output breaker to restart normal
operation.
WARNING: It is not advised to connect two UPS in parallel when using individual transformers for
each UPS.