Huawei NetCol5000-C - Cable Connections; Cable Connection and Precautions; Electrical Ports of an Indoor Unit

NetCol5000-C Chilled Water-Cooled In-Row Precision
Air Conditioner
User Manual
3 Installation Guide
Issue 02 (2013-12-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
40
3.13 Cable Connections
3.13.1 Cable Connection and Precautions
Cable Connection
The following cables are to be connected onsite:

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)
Cable specification:
Power Cable,450/750V,H07RN-F,2.5mm
2
,Black(3Cores
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

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.
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. Figure 3-23 shows the cables terminals of the electrical control box.