MGE UPS Systems 100 - Manual (Page 20)

Figure 2-3: Circuit Diagram for 125VA-1000VA 240/120VAC Input.
Installation
Topaz 100 Ultra-Isolator Transformer
page 2 — 4
X1 X3 X2 X4 G
H1
H1-A
H3 H2 H4
H1
H1-A
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 LINE
T1
FIL
TER BOARD
IL IN
L N
LOAD
F1
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
.
CHANGING FROM
AN INPUT
OF 120V
AC
T
O
AN INPUT
OF 240V
AC
ON MODELS RA
TED
A
T
1000V
A
AND BELOW
, REQUIRES
THA
T
THE
INPUT
FUSE BE CHANGED
AS INDICA
TED.
A
FUSE RA
TED
A
T
240V
AC
AND
THE CORRECT
AMPERAGE HAS BEEN PROVIDED WITH
THE
T
O
P
AZ 100.
15 2
6
3
7
4
8
CORE
* NEUTRAL
(OR LINE IF X4-G JUMPER IS REMOVED.
SEE NOTE
A
T
BOTT
OM OF P
AGE.)
NOTE: IF
YOU DESIRE
T
O
HA
VE
THE OUTPUT
NEUTRAL
UNGROUNDED,
THE BONDING JUMPER CONNECT
OR 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 PEOVIDE ISOLA
TION.
#16 A
W
G
#16 GREEN
GROUND
GROUND LUG
RA
TING
F1
(120V)
F1
(240V)
250V
A
500V
A
750V
A
1000V
A
250V
3A
250V 1.5A
250V
6A
250V
3A
250V
12A
250V
6A
250V
8A
250V
4A
Recommended
Minimum Wire Size
# 14 GA. # 14 GA. # 14 GA. # 14 GA.
# 16 # 16 # 16 # 16
WIRE SIZE
125V
A
250V 1.5A
250V .75A
# 14 GA.
# 16
125V
A
- 1000V
A
240/120V
AC INPUT