Electrical Ports Of An Indoor Unit - Huawei NetCol8000-A Series User Manual

NetCol8000-A(050, 100) In-room Air Cooled Smart
Cooling Product
User Manual
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3.6.2 Electrical Ports of an Indoor Unit

Electrical Ports
Open the front doors, you can see the electrical ports inside the electrical control box. The
external ports include a power port, network port of the main control board, and port for the
control cable routed from the control cable terminal.
Figure 3-41 NetCol8000-A050 external ports of the electrical control box
(1) Main control board
(4) General circuit breaker (power
Issue 10 (2019-01-15)
Power cable for the outdoor unit
Signal cable for the indoor unit
Communications cable for the indoor unit
Voltage jumper (only NetCol8000-A050)
Connections of all power cables, control cables, and ground cables must comply with the
local electrical code, and the cable specifications should comply with the local cabling
specifications.
For details about the currents in full load, see the NetCol8000-A nameplate.
The required main power is 380–415 V AC, 3 N, 50 Hz.
Only trained and qualified personnel are allowed to connect cables.
Before connecting cables, use a voltmeter to measure the input voltage and ensure that the
power supply is off.
All the NetCol8000-As should be safely grounded.
Keep cables away from the compressors, fans, and copper pipes (otherwise, take
protective measures), and cables should be properly connected.
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(2) Voltage jumper
port
(5) Main PE bar
3 Installation Guide
(3) External cable
terminal
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