APC 5000 user manual Normal, Source

UPS units with separate normal and Bypass AC inputs

2. Installation

UPS 1

16	15	14
L1 L2 L3	N L1 L2 L3 N L1 L2 L3

370 mm

17 18

UPS 2

16	15	14
L1 L2 L3	N L1 L2 L3 N L1 L2 L3
	370 mm
	17	18

To access the connection terminal blocks, see section 1.2.

1 - The earthing conductors must be connected to the earthing plate of each UPS. 2 - Connect the three phases of the Normal AC source to terminal block (16) in each UPS unit.

3 - Connect the four conductors of the Bypass AC source to terminal (61) in the bypass cabinet.

To	To	Bypass
Normal	Normal	N	L1	L2 L3
AC	AC
			60
source	source	Q4S
		N L1	L2	L3
		Q3BP	61
		N L1	L2	L3
		Q5N 62

A B A B 63 N L1 L2 L3

To load

To bypass AC source

UPS 3 UPS 4

4 - Connect terminal blocks (15) in each UPS unit to terminal (60) in the bypass cabinet, using cables with identical lengths and sizes. 5 - Connect the four load conductors to terminal (62) in the bypass cabinet.

6 - Connect terminal blocks (14) in each UPS unit to terminal (63) in the bypass cabinet, using cables with identical lengths and sizes. 7 - Tie the cables down to the frames of the UPS cabinets and the bypass cabinet.

8 - Put the covers back in place (see section 1.2).

The cables marked A must be identical, i.e. same size and length.

Similarly, the cables marked B must be identical, i.e. same size and length.

16	15	14
L1 L2 L3	N L1 L2 L3 N L1 L2 L3
	370 mm
	17	18

16	15	14
L1 L2 L3	N L1 L2 L3 N L1 L2 L3
	370 mm
	17	18

BB

To norNormalAC/

bypasssource AC

To Normal AC source

AA

To avoid errors, it is advised to remove the handle on switch Q3BP (10) in each UPS.

34001813EN/AE - Page 27