Chapter 6 Electrical Connections; Cable Entry Ports, Routing Cables And Connection Procedures - Liebert CR020 User Manual

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Chapter 6 Electrical Connections

Chapter 6 Electrical Connections
This chapter introduces electrical connections of the Liebert.CRV air conditioner, including cable entry ports, routing
cables, connection procedures, protective features of EC fans and electrical heaters, and placement of the
temperature probes.

6.1 Cable Entry Ports, Routing Cables And Connection Procedures

The cable entry ports of Liebert.CRV are shown in Figure 6-1, in which 'g' is the cable entry port for low voltage signal
cable, 'h' is the cable entry port for power supply cable.
g
Use cable ties to fix high and low voltage wires to plastic clamps, and route cables following the arrow direction
shown in Figure 6-2.
The procedures of electrical connections are as follows:
1. Before proceeding with the electrical connections, ensure that:
1) All electrical components are undamaged;
2) All terminal screws are tight;
3) The supply voltage and frequency are as indicated on the unit.
h
Bottom cable entry ports
Figure 6-1 Cable entry ports of Liebert.CRV
Route cables from the bottom
Figure 6-2 Route cables
Liebert.CRV Series Air Conditioner User Manual
g
Top cable entry ports
Route cables from the top
h