Connecting The External Battery Packs - Alpha Technologies CFR 7.5K Operator's Manual

Uninterruptible power supplies
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2.6 Connecting the Terminal Blocks (Continued)
4
Replace the cover plate.
5
To wire the output terminal block, repeat
Wiring Finished
C
C
C
C
C
F
F
F
F
F
7
7
7
7
7
5 .
5 .
5 .
5 .
5 .

2.7 Connecting the External Battery Packs

DANGER: There are hazardous voltages inside the battery packs. Use extreme cau-
tion. For more information on battery handling, see the safety instructions in the front of
this manual.
CAUTION:
1) Verify the pack's polarity and voltage at its connector before attaching the cable to
the unit. Improper voltages or polarities could damage the unit.
2) When a pack or batteries have been in storage for more than 6 months, they should
be recharged for at least 24 hours and then thoroughly tested with a load before installa-
tion. If after charging, a battery's voltage varies more than 0.3 VDC from the others, do
not use it.
Tools and Materials Required:
• DC voltmeter.
• Phillips screwdriver.
R
R
R
R
R
M
M
M
M
M
o
o
o
o
o
d
d
d
d
d
l e
l e
l e
l e
l e
n I
n I
n I
n I
n I
p
p
p
p
p
t u
t u
t u
t u
t u
O /
O /
O /
O /
O /
T
r e
m
n i
l a
A G
A G
A G
A G
A
W
W
W
W
W
G
, K
, K
, K
, K
, K
1
1
1
1
1
0
0
0
0
0
K
K
K
K
K
6 6 6 6 6
1 K
1 K
1 K
1 K
1
5
5
5
5
5
K
4 4 4 4 4
Terminal Block Wire Sizes and Tightening Torques
21
2
to
4
, except wire the output to the load(s).
u
u
u
u
u
p t
p t
p t
p t
p t
t u
t u
t u
t u
t u
T
T
T
T
T
g i
g i
g i
g i
g i
h
h
h
h
h
e t
e t
e t
e t
e t
n
n
n
n
n
B
o l
c
k
s
2 2 2 2 2
n I
n I
n I
n I
n I
c
c
c
c
c
h
h
h
h
h
P -
P -
P -
P -
P -
o
o
o
o
o
u
u
u
u
u
n
n
n
n
n
mm
mm
mm
mm
m
m
1 3 .
1 3 .
1 3 .
1
1 3 .
3
3
3
3
3
3 .
3
35
35
35
35
5
2
21
21
21
21
1
Figure 2.1
2 Installation
n i
n i
n i
n i
n i
g
g
g
g
g
T
T
T
T
T
o
o
o
o
o
q r
q r
q r
q r
q r
u
u
u
u
u
e
e
e
e
e
d
d
d
d
d
s
s
s
s
s
N
N m
N m
N m
N m
-
-
-
-
-
m
4 0 .
4 0 .
4 0 .
4 0 .
4
0 .

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