Huawei UPS5000-E Series User Manual page 48

UPS5000-E-(40 kVA-128 kVA)
User Manual (Integrated UPS 2.0)
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Automatic Mode
Step 1 Turn on the circuit breakers of the ATS operation mechanism (Q1 and Q2 in the left lower
part at the rear of the cabinet) to power on the ATS operation mechanism.
Step 2 Check whether the 8D controller has alarms. If an alarm exists, rectify the fault first.
Step 3 Press down the locking latch on the switch panel and pull out the handle.
Figure 2-30 Pulling out the handle
If the handle is not pulled out, the automatic mode will be disabled.
Step 4 Flip the Motor/Manual selection lever to the Motor
Issue 04 (2018-04-20)
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.
 Before powering 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.
Verify that the phase sequences of the two power inputs to the ATS are correct using a phase
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sequence table.
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