Liebert Extreme Density Chiller XDC User Manual

Page 17

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Product Description

11

2. Determine which knockouts in the electrical enclosure will be used and remove them (see

Figure 11).

Figure 11 Electrical enclosure knockout locations for field wiring

3. Route the input hazardous voltage electrical power wiring through the top right knockout on the

primary electrical enclosure (see Figure 11) to the disconnect switch L1, L2 and L3 (see

Figure 12). Observe proper phasing.

4. Connect the ground wire to the ground lug (see Figures 12 and 14 for 60Hz models and

Figures 13 and 15 for 50Hz models).

Figure 12 60Hz models, high voltage connections—primary disconnect switch

Knockout for
Input Power

Enclosure Cover
Not Shown for Clarity

Transformer Fuse Block

Compressor Fuse Blocks

Customer Power Connection

Ground
Lug

Primary
Disconnect
Switch

Primary Power Block

Electronic Hot Gas
Bypass Controllers

Relay

Compressor Contactors

Transformer 3

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