Toshiba 431A operation manual Wire the Battery Cabinet to the UPS, Component, Series UPS 431B

11.6Wire the Battery Cabinet to the UPS

1. Select the DC power cables per Table 11.2 /Table 11.3.

WARNING

Switch the Battery Cabinet Circuit Breakers off before removing dead fronts.

Failure to switch breakers off may result in electric shock, burns, personal injuries or UPS failure.

2.Run the power cables from UPS power terminals TB1 (+) and (-) to 431B Cabinet power terminals (+) and (-) per Figure 11.5 and 11.6.

3.Select the power cables per Table 11.2 /Table 11.3. Cable size for the 431B is determined by the full load capacity of the UPS.

4.Run the power cables from UPS power terminals TB1 (+) and (-) to 431B Cabinet power terminals (+) and (-) per Figure 11.5 and Figure 11.6.

Note: The UPS cable ends insert into power lugs, the 431B ends require a NEMA 2-hole connec- tor to connect to the +/- bus terminals.

No.	Component
1	Positive Terminal (+)			1
	Bus Strip				2
2	Negative Terminal (-)		6	4
	Bus Strip
3	Lexan Shield with			3
	Cable Access
4	Ground Bus			5
5	Bottom Cable Access
	Plate
6	Side Cable Access
	Plate
		Figure 11-5 - 431B DC Bus Terminal Detail

4300 Series UPS

431B

24V DC Supply (PCB15)

AC IN

J4

1 2 3 4

1 2 1 2

P1 P2

TB1

AC OUT

TB3 (Battery Shunt Trip)

1 2 3 4

TB1 (DC Power)

UPS

Power

Input/

Output

Cables

U V W N N U V W +

+-

Figure 11-6 - 431B DC and Breaker Cable Connections

4300 Series Ancillary Cabinets Installation and Operation Manual 37