FusionModule1000A20 Prefabricated All-in-One Data
Center
Installation Guide
6 Installing Devices Inside the Pre-fab. Module
Issue 02 (2020-01-15)
Copyright © Huawei Technologies Co., Ltd.
46
Symbol
Name
7
Normally open alarm dry contact
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
product.
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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