Huawei NetCol5000-A035 - 3.11 Connecting Cables; 3.11.1 Preparations and Precautions

3.11 Connecting Cables
3.11.1 Preparations and Precautions
Preparation
● Remove the six buttery nuts from the top cover of the electric control box,
remove the top cover, and open the electric control box.
CA UTION
Do not drop the screws into the indoor unit and mind the ns when open the
front board.
● The following items must be installed onsite: power cable to the indoor unit,
external signal cable to the indoor unit, voltage jumper of the indoor unit.
The following items are optional for onsite connection: teamwork networking
and monitoring cables, water sensor, humidity and temperature (T/H) sensor
outside the cabinet cable.
Precautions
● Connections of all power cables, control cables, and ground cables must
comply with the local electrical code, and the cable
specications should
comply with the local cabling
specications.
● Only trained and qualied personnel are allowed to connect cables, and
protective articles are needed to be worn, such as ESD gloves.
● For details about the currents in full load, see the NetCol5000-A nameplate.
● All the NetCol5000-As are grounded.
● Keep cables away from the compressor, fans, and copper pipes (otherwise,
take protective measures), and connect cables properly.
3.11.2 Connecting the Power Cable to an Indoor Unit
CA UTION
To ensure that the NetCol5000-A is eectively grounded, route a PE cable from
the PE ground bar of the indoor unit to the ground bar of the equipment room.
Figure 3-39 shows the zoomed-in view of the indoor unit power ports. L1, L2, L3,
and PE bar connect to the corresponding power ports.
Select the cable model based on the maximum running current of the indoor unit,
which shows in 2.4 Technical
Specications.
NetCol5000-A(025, 035) In-row Air Cooled Smart
Cooling Product
User Manual (600 mm Width) 3 Installation Guide
Issue 17 (2020-10-22) Copyright © Huawei Technologies Co., Ltd. 68