Use copper conductors only to
prevent equipment damage.
Figure 15 Typical wiring for Models UHEC
153BACA and 203BACA
Disconnect electrical power
source to prevent injury or
death from electrical shock.
—
—
-
F
ie
ld
-I
n
s
ta
ll
e
d
w
ir
in
g
*
O
p
ti
o
n
a
l
N
o
te
s
:
1
.
F
o
r
2
0
8
-v
o
lt
a
p
p
li
c
a
ti
o
n
s
o
n
ly
,
m
o
v
e
W
ir
e
V
1
f
ro
m
T
e
rm
in
a
l
1
to
T
e
rm
in
a
l
L
1
;
th
e
n
m
o
v
e
W
ir
e
V
2
f
ro
m
T
e
rm
in
a
l
L
1
t
o
T
e
rm
in
a
l
1
.
2
.
C
o
n
tr
o
l
c
ir
c
u
it
w
ir
in
g
m
u
s
t
b
e
N
E
C
c
la
s
s
1
,
ra
te
d
6
0
0
v
o
lt
s
.
W
D
5
1
2
2
Wiring Diagrams
EUH-IM-7A
27