Huawei FusionModule1000A20 Installation Manual page 52

Prefabricated all-in-one data center

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FusionModule1000A20 Prefabricated All-in-One Data

Center

Installation Guide

Symbol

Port 1 and 2 only receive passive (non-live) switching signals. If the active (live) signals are

connected, the internal components of the unit will be burned down.

For signal cables such as remote startup and shutdown, shielded cables are recommended to

ensure reliable grounding.

Procedure

Step 1 Connect equipotential grounding wire to PE (right) terminal.

Step 2 Connect the reserved AC power cables on the pre-fab. module to the L1, L2, L3, N, and PE

(left) terminals of the cooling product.

1. Electrical connections must be trained professionals.

2. Do not connect the power cables when the device is on.

3. The supply voltage must be the same as the rated voltage on the nameplate of the cooling

Step 3 Connect the reserved DC power cables on the pre-fab. module to the 0 and -48V terminals of

the cooling product.

Step 4 Connect the unit communication cable to RS485 port.

Step 5 Teamwork cables need to be connected hand in hand to CAN1 and CAN2 ports.

Figure 6-11 Teamwork networking

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Issue 02 (2020-01-15)

product.

6 Installing Devices Inside the Pre-fab. Module

Name

Normally open alarm dry contact

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