External Connection
Working Principle of Dual Utility (2 utility supplies)
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| Q3 | ||
Utility 2 |
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| Q10 |
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| Q2 | ||
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| Q1 | Utility 2 |
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Utility 1 |
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| Utility 1 | ||
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| APC Silcon UPS | ||
NOTICE!
Max. phase shift between utility 1 and 2: less than ±3.
Refer to section 7.0 System Specifications for frequency tolerance of utility 1 and 2, and voltage. Utility 1 supports the load in normal operation. Utility 2 supports the load through the static and service bypass switch.
Working Principle of Single Utility (1 utility supply)
Q3
Utility 1/2 | Output |
Q1
Q2
Utility 1/2
APC Silcon UPS
NOTICE!
Refer to section 7.0 System Specifications for frequency and voltage tolerance of utility 1. Utility 1 or 2 supports the load in normal operation or through the static service bypass switch.
Installation Guide APC Silcon | 19 |
