
5 Maintenance
68
5.5 Configuring the Input/Output Voltage
The input and output voltages are factory configured to your specifications. You can change
them with this procedure.
DANGER: Lethal levels of voltages and currents are inside the unit when it is con-
nected to line and battery power. All circuit breakers on the rear panel must be turned off
before starting this procedure.
Procedure:
1
Confirm all the rear panel circuit breakers are switched off.
2
Remove the unit’s top cover as shown in Section 2.3, “Connecting the Internal Batteries,”
Step 1, “Open the Unit.”
4
Find the AC input terminal block.
Move the wire to the desired voltage.
TIP: All wire strands must be
inside the terminal block. Strands
sticking out are a safety hazard.
VR1
D1
TB112
240 208
WIRE
AC INPUT
5
Find the AC output terminal block.
Move the wire to the desired voltage.
TIP: All wire strands must be
inside the terminal block. Strands
sticking out are a safety hazard.
AC
J9
-
TB2:
C1 6
C19
D6
U7
+
3
21
240 208
WIRE B
AC
OUTPUT
32V 88V 120V
NE UTR AL
DIR ECT LY T O
O U TPUT TB
20 8V
24 0V
NE UTR AL
C38
D13
C4 2
+
2341
OUTPUT CURRENT SENSE 2
AC
J5 J9
+ -
J2
C34
C33
C5 C4
TB2:
CT3
CT1
CT2
T2
8
7
6
5
4
3
2
1
T3
8
7
6
5
4
3
2
1
U4
C14
VR1
VR2
VR4
VR3
C1 6
C19
D6
OUTPUT V CAL.
R2
R4
U1 1
D3
C12
C20
C26
C2
C1
R2 7
R17
R20
D11
F2
J3
T4
T1
U6
R6
230V C AL.
R5
208V C AL.
Q1
D10
C25
J1
D1
D2
F1
C7
+
C6
+
C17
U10
R33
R34
R35
C31
C3 2
TP1 TP2 TP5
J7
J8
J4
U7
R32
S1
TB1
ALARMS
EXT ER NAL
(4)(3)(2 )(1 )
2-3
2-3
2-3
1-2
1-2
OFFOFFONOFF
OFFOFFONON
OFFONONON
OFFONOFFOFF
OFFONOFFON
240or120/240or120
208or120/208or120
230
240or120/240or120
208or120/208or120
240
240
230
208
208
S1 S ETTI NGSS2 S ETTI NG
OUTPUT VOLTAGE
TB1: INPUT
50HZ MO DE LS
NOT USED FOR
INPI
-12V
+12V
12
AC FAN
AC FAN
+-
321
6
4
3
1
12
10
9
7
+
6
4
3
1
12
10
9
7
+
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
21
19
17
15
13
11
9
7
5
3
1
700-
DATE
ECO
INPUT CURRENT
OUT PUT CUR REN T SENSE 1
12 3
AC
3
21
240 208
WIRE B
AC OUTPUT
AC
OUTPUT
12
240 208
SENSE
WIRE
A
INPUT
AC INPUT
V
WIRE A
POS
2
2
N/A
1
1
TB2: OUTPUT
POS
2
1
N/A
2
1
32V 88V 120V
NEUTR AL
DIREC TLY T O
O UTP UT TB
1
3
5
7
9
11
WIRE BINPUT
208 V
240 V
Q4
J6
R37
12
R12
R13
U14
C43
R9
O/P I SENS E 2
O/P I SENSE 1
R10
7
9
10
12
1
3
4
6
NEUT RAL
R7
R2 6
R2 5
R2 4
R2 3
R22
R21
+
C28
D9
C30
C29
C40
C38
D13
C42
C35
C41
D12
C39
+
+
U8
C44
C22
R1 6
D4
C13
R15
C21
R1 4
R1 8
R1 9
TP7
TP8
TP6 TP4OUTI1
OUTV
OUTI2
INPV
U9
R11
GND
TP3
C8
C9
+
JP1
R31
R30
R29
R28
C25
C11
+
C15
U5
IN PUT I S ENSE
R8
S2
OFF
ON
43 12
D8
K2
+
+
Q3
K1
C23
D7
C37
R36
K4
Q2
C27
R38
C36
K3
VR5
VR6
C18
U3
+
C10
U2
D5
RN1
1 2 6 8 10 12
+5V
TP9
3
Find the high voltage board on the top
shelf (labeled as “700–219–XXX”).
Also see Figure 5.2.
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