Huawei UPS5000-A-30 kVA Quick Manual page 76

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UPS5000-A-(30 kVA–120 kVA)

Quick Guide

Step 3 Install parallel cables between parallel cabinets.

Figure 3-2 Control cable connection diagram (using four parallel 30 kVA/40 kVA

UPSs as an example)

Step 4 Set the DIP switch for each UPS.

Set the bypass unit DIP switches SW1-DIP4 and SW2-DIP1–SW2-DIP4 or SW-DIP4–

SW-DIP8 to ON to set up parallel communication between MDUs.

Figure 3-3 Setting the DIP switch for each UPS

(1) Bypass unit 1 (BOM number: 02313XPD) or

bypass unit 3 (BOM number: 02313XPE)

Step 5 Power on the parallel system.

If the input power is normal, the rectifier starts automatically. The MDU starts and

displays the progress bar. Wait until the MDU starts properly.

Issue 14 (2022-09-06)

Turn off the external output power switch for each UPS to ensure that the

UPS outputs are independent of each other.

Turn on the general bypass and mains input switches.

3 Parallel System Commissioning

(2) Bypass unit 2 (BOM number: 02310SEN) or

bypass unit 4 (BOM number: 02310UCJ)

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