Alpha Technologies BPT Series Bypass Transformer - Manual (Page 30)

Figure 6.14
Aut
om
at
ic
T
ra
ns
fe
r
Switch Bre
ak
Bef
or
e
M
ak
e
w
ith
2
se
co
nd
c
en
te
r o
ff
de
la
y
Generato
r
D
is
tri
bu
tio
n
Pa
ne
l
20
8/
12
0
VA
C
3
Ph
as
e
U
til
ity
Ai
r C
on
di
tio
ni
ng
Bu
ild
in
g
Li
gh
tin
g
N
on
-c
rit
ic
al
D
ev
ic
es
C
rit
ic
al
H
ea
de
nd
D
ev
ic
es
H
ea
de
nd
U
PS
E
le
ct
ric
al
O
ne
l
in
e
20
8
VA
C
3
p
ha
se
s
ite
p
ow
er
, 2
08
VA
C
to
2
40
/1
20
V
A
C
is
ol
at
io
n
tr
an
sf
or
m
er
A
lp
ha
1
60
0
Se
rie
s,
1
8
K
VA
S
in
gl
e
Ph
as
e
- 2
40
VA
C
in
pu
t,
24
0/
12
0
VA
C
o
ut
pu
t
In
te
rn
al
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ta
tic
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yp
as
s,
E
xt
er
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l "
M
ak
e
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re
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re
ak
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ai
nt
en
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ce
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yp
as
s
12
5
A
m
p
20
8V
A
C
U
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S
Br
ea
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rs
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ha
se
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rd
er
L1
, L
2
24
0/
12
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A
C
4
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ire
(L
1,
L
2,
N
, G
)
4
A
W
G
M
ax
24
0
V
A
C
3
w
ire
(L
1,
L
2,
G
)
4
A
W
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ax
D
ed
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at
ed
U
P
S
D
is
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ib
ut
io
n
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el
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pl
it
ph
as
e
24
0/
12
0
V
U
P
S
B
Y
P
A
S
S
24
0/
12
0V
A
C
4
w
ire
(L
1,
L
2,
N
, G
)
4
A
W
G
M
ax
24
0/
12
0V
A
C
4
w
ire
(L
1,
L
2,
N
, G
)
4
A
W
G
M
ax
A
lp
ha
1
8
K
VA
U
PS
R
ec
tif
ie
r
S
ta
tic
By
pa
ss
In
ve
rte
r
12
5
Am
p
3
Po
le
B
yp
as
s
Sw
itc
h
In
pu
t 1
In
pu
t 2 ou
tp
ut
Th
e
ne
ut
ra
l f
ro
m
th
e
U
PS
, M
U
ST
g
o
to
th
e
M
BS
, n
ot
b
ac
k
to
th
e
m
ai
n
di
st
rib
ut
io
n
pa
ne
l c
on
ne
ct
ed
to
c
om
m
er
ci
al
p
ow
er
to
m
ai
nt
ai
n
is
ol
at
io
n
an
d
pr
ev
en
t g
ro
un
d
lo
op
s.
20
8
VA
C
in
pu
t
24
0/
12
0
VA
C
ou
tp
ut
25 kVA
tra
ns
fo
rm
er
D
o
no
t p
la
ce
tr
an
si
en
t
ge
ne
ra
tin
g
eq
ui
pm
en
t,
su
ch
a
s
Ai
r C
on
di
tio
ni
ng
,
on
th
e
U
PS
U
PS
is
ol
at
in
g
sw
itc
h
or
br
ea
ke
r
U
PS
M
U
ST
b
e
in
S
TO
P
M
O
D
E
be
fo
re
s
w
itc
hi
ng
to
B
Y-
PA
SS
The Alpha BPS Series
Doc# 020-133-B0 Rev. 01 / 07
26