Powerware Ferrups FE/QFE 500VA User Manual download pdf (Page 51)

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FERRUPS FE/QFE UPS (500 VA–18 kVA) Installation Guide : Rev A www.powerware.com

CHAPTER 6

INTERNAL BYPASS SWITCH INSTALLATION

WARNING

Only qualified service personnel (such as a licensed electrician) should perform the

hardwired installation. Risk of electrical shock.

CAUTION

Before you install the bypass switch, verify that the bypass switch and the AC

disconnect switch are in the OFF position.

1. Identify the installation wiring diagram that applies to your

FERRUPS (see Table 21).

Table 21. Internal Bypass Switch Wiring Diagrams

Model (Frequency) UPS Input Voltage UPS Output Voltage Bypass Switch Type Wiring Diagram

FE 4.3–18 kVA (60 Hz)

120

(4.3–7 kVA only)

120 MBB or BBM Figure 17 on page 49

208 or 240 120/208 or 120/240 MBB or BBM

For 208V, use BBM only

Figure 18 on page 50

208 or 480 source*/

240 input

120/240 MBB or BBM Figure 19 on page 51

220** 220 BBM Figure 20 on page 52

QFE4.3–18kVA(50Hz) 220, 230, or 240 220, 230, or 240 MBB or BBM Figure 20 on page 52

*With a step-up or step-down transformer.

**Contact your service representative for (a) single-phase installations that do not have the same input and output voltage,

or (b) split-phase installations that require 220 Vac.

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Powerware Ferrups FE/QFE 500VA User Manual Page 51