Cable Connections; Cable Connection And Precautions; Electrical Ports Of An Indoor Unit - Huawei NetCol5000-C User Manual

NetCol5000-C Chilled Water-Cooled In-Row Precision
Air Conditioner
User Manual

3.13 Cable Connections

3.13.1 Cable Connection and Precautions

Cable Connection
The following cables are to be connected onsite:
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Cable specification:
Power Cable,450/750V,H07RN-F,2.5mm
color:Blue,Brown,Yellow-Green),25A.
Circuit breaker specification (10 A circuit breaker, single-phase):
Air-break Switch,Miniature Circuit-Breaker,230/400Vac,10A,1P,6KA,C
character,85*68*17.5,Other installation type,Rail Mounting,Toggle Handle
Precautions
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3.13.2 Electrical Ports of an Indoor Unit

Loosen screws on the cover of the electrical control box from the rear door and remove the
cover.
Issue 02 (2013-12-10)
Power cables to the indoor unit
Cables to the voltage jumper
Cables to the humidity and temperature sensor
Communication cables to the indoor unit
PE cables
Connecting Outside Water Sensor Cables (Optional)
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 maximum current, see the NetCol5000-C nameplate.
The voltage and frequency of the primary power supply is rated voltage ± 10% and rated
frequency ± 2 Hz respectively.
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 NetCol5000-Cs should be safely grounded.
Keep cables away from the compressors, fans, and floats (otherwise, take protective
measures), and cables should be securely connected.
Figure 3-23 shows the cables terminals of the electrical control box.
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