Ats (11D) Operation Description - Huawei PDU8000 User Manual

PDU8000 UPS Power Distribution Cabinet
User Manual
Figure 4-20 Function mode selection area
(1) Push button
(4) T2 delay
(7) U2 undervoltage range

4.2.5 ATS (11D) Operation Description

The ATS (11D) supports three operation modes, including manual mode, automatic mode, and
knob mode. This section describes the operation modes in detail.
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Issue 01 (2016-03-04)
Do not open any cover of the ATS. Even if the power supply is disconnected, hazardous
external control voltage may still exist inside the product.
Do not adjust the control cable when the ATS or external control cable is electrified.
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Before power on the ATS, operate the handle to switch on and off the ATS for one to three times.
Ensure that the primary and secondary contacts of the ATS work smoothly.
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Verify that the phase sequences of the two power inputs to the ATS are correct using a phase
sequence table.
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(2) Reset button
(5) U1 undervoltage range
(8) U2 overvoltage range
4 Components
(3) T1 delay
(6) U1 overvoltage range
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