MGE UPS Systems 100 - Manual (Page 21)

Installation page 2 — 5
Installation and User Manual
Figure 2-4: Circuit Diagram for 1800VA-7500VA 240/120VAC Input.
X1 X3 X2 X4 G
H1 H3 H2 H4
H1 H3 H2 H4
X1 X3 X2 X4 G
240V
INPUT
120V
INPUT
LINE NEUTRAL GROUND LINE * NEUTRAL GROUND
120V OUTPUT 240V OUTPUT
LINE LINE LINE
T1
FIL
TER BOARD
IL IN
L N
LOAD
SHIELD
OUTPUT
HARDWIRE CONNECTION DIAGRAM
240/120V
AC OUTPUT
60Hz
GROUND STUD
(BOTT
OM OF ENCLOSURE)
NOTE: UNIT
F
ACT
OR
Y
WIRED FOR 120V
AC INPUT
AND OUTPUT
5000V
A
AND 7500V
A
UNITS PROVIDED WITH 480/240V
AC INPUT
ARE F
ACT
OR
Y
WIRED FOR 480V
AC INPUT
AND 120V
AC OUTPUT
15 2
6
3
7
48
CORE
LINE
RA
TING
120V
240V
1800V
A
2500V
A
5000V
A
7500V
A
20
#12 GA.
10
#14 GA.
25
#10 GA.
15
#14 GA.
50
#8 GA.
25
#10 GA.
70
#8 GA.
40
#10 GA.
480V
-- --
15
#14 GA.
20
#12 GA.
MAXIMUM BRANCH CIRCUIT FUSE OR CIRCUIT
BREAKER
RA
TING & RECOMMENDED MINIMUM WIRE SIZE
AT
VOL
T
AGE OF
NOTE: IF
YOU DESIRE
T
O
HA
VE
THE OUTPUT
NEUTRAL
UNGROUNDED,
THE BONDING JUMPER CONNECT
O
R BETWEEN OUPUT
TERMINAL
X4
AND GROUND MA
Y
BE REMOVED. NOTE HOWEVER,
THA
T
THIS WILL
SIGNIFICANTL
Y
REDUCE
THE COMMON-MODE NOISE
A
TTENUA
TION
OF
THE UL
TRA-ISOLA
T
OR. REMOVING
THIS BOND WILL
ALLOW FOR 240V
AC LINE
T
O
LINE
APPLICA
TIONS
AND PROVIDE ISOLA
TION.
H1 H3 H2 H4 H1 H3 H2 H4
480V
INPUT
240V
INPUT LINE LINE LINE LINE
* NEUTRAL
(OR LINE IF X4-G JUMPER IS REMOVED.
SEE NOTE
A
T
BOTT
OM OF P
AGE.)
GROUND
GROUND LUG
5000V
A
- 7500V
A
480/240V
AC INPUT
1800V
A
- 7500V
A
240/120V
AC INPUT