Connections Of Input/Output Power Cables; Ups With Common Normal And Bypass Ac Sources - Eaton EX RT 7 Manual De Instalación Y Usuario

2.7 Connections of input/output power cables

This type of connection must be carried out by qualified electrical personnel.
z
Before carrying out any connection, check that the battery circuit breaker
z
protection devices (Normal and Bypass AC sources) are open ("0").
EX RT
z
using a bridge.
Use included insulated ferrules with stranded wires.
z

UPS with common Normal and Bypass AC sources

O ut pu
22 0/ 23
O ut pu
22 0/ 23
O ut pu
22 0/ 23
UPS always comes from factory with Normal and Bypass AC inputs already connected together,
M A L
φ N O R
t 20 0/
ss In pu c
24 0 Va
By pa
0/ 23 0/
t 20 0/ 20 8/ 22
ie r In pu
24 0 Va c L2
R ec tif
0/ 23 0/ N 2
20 8/
t 20 0/ 20 8/ 22
L1
Va c
0/ 24 0 L1
N 1
L
N
1
1
M A L
N O R
φ
t 20 0/
ss In pu c
24 0 Va
By pa 0/ 23 0/
t 20 0/ 20 8/ 22
ie r In pu
c
24 0 Va L2
R ec tif N 2
0/ 23 0/
20 8/
20 8/ 22
t 20 0/
Va c L1
L1
0/ 24 0
N 1
L
N
5
2
4
3
M A L
φ N O R
t 20 0/
ss In pu c
24 0 Va
By pa
0/ 23 0/
t 20 0/ 20 8/ 22
ie r In pu
24 0 Va c L2
R ec tif
0/ 23 0/ N 2
20 8/
t 20 0/ 20 8/ 22
L1
Va c
0/ 24 0 L1
N 1
L
N
6
6
φ
1
1
6
6
7
M A L
N O R
2. Installation
12 and that the upstream
To access the connection terminal
blocks, see section 1.2 "Rear panel":
1 - Remove the terminal block cover
(4 screws),
2 - Insert the Normal AC cable through
the cable gland,
3 - Connect the 3 wires to the Normal
AC terminal block,
Always connect the earthing
wire first.
4 - Insert the output cable to the load
through the output cable gland,
5 - Connect the 3 wires to the output
terminal block,
6 - Refit the terminal block cover and
tighten the cable glands,
7 - Secure the junction Input/Output
box to the rear of the power module
by means of the 3 screws.
34007558EN/AE - Page 21