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WIRING – LOW VOLTAGE WIRING
230/208V, 1 phase and 3 phase equipment dual primary
voltage transformers. All equipment leaves the factory
wired on 240V tap. For 208V operation, reconnect from
240V to 208V tap. The acceptable operating voltage
range for the 240V and 208V taps are:
TABLE 4
OPERATING VOLTAGE RANGE
T
A
P
2
4
0
V
2
0
8
V
NOTE: The voltage should be measured at the field
power connection point in the unit and while the
unit is operating at full load (maximum
amperage operating condition).
R
A
N
G
E
2
5
3
–
2
1
6
2
2
0
–
1
8
7
TABLE 6
WALL THERMOSTAT
T
h
r e
m
o
t s
t a
P
1
s
a t
g
e
C
8
4
0
3
0 -
5
7
E
e l
t c
o r
n
c i
T (
H
5
2
2
0
D
1
1
5
) 3
A
u
o t
r o
M
2
s
a t
g
e
8
4
0
3
0 -
5
8
E
e l
t c
o r
n
c i
T (
H
5
2
2
0
D
1
1
5
) 1
A
u
o t
r o
M
2
s
a t
g
e
8
4
0
3
0 -
4
9
P
o r
g
a r
m
1 (
F
9
3
3 -
8
) 0
A
u
o t
r o
M
Five (5) wires should be run from thermostat subbase to
the 24V terminal board in the unit. A five conductor, 18
gauge copper, color-coded thermostat cable is
recommended. The connection points are shown in
Figure 8.
THERMOSTAT WIRE SIZE
T
a r
n
f s
r o
m
r e
V
A
F
L
A
5
5
2
3 .
e r
d
o
m
n i
a
e t
F
e
a
u t
e r
s
o
; l o
1
s
a t
g
e
H
e
t a
N
o
n
P -
o r
g
a r
m
m
a
b
e l
a
n
u
a
c l
h
a
n
g
e
o
v
r e
C
o
; l o
2
s
a t
g
e
H
e
t a
N
o
n
P -
o r
g
a r
m
m
a
b
e l
a
n
u
a
c l
h
a
n
g
e
o
v
r e
C
o
; l o
2
s
a t
g
e
H
e
t a
m
a
b
e l
E
e l
t c
o r
n
c i
a
n
u
a
c l
h
a
n
g
e
o
v
r e
TABLE 5
M
a
i x
m
D
s i
a t
n
W
i
e r
G
a
u
g
e
n I
F
e
2
0
g
a
u
g
e
4
5
1
8
g
a
u
g
e
6
0
1
6
g
a
u
g
e
1
0
0
1
4
g
a
u
g
e
1
6
0
1
2
g
a
u
g
e
2
5
0
Manual 2100-405A
Page
u
m
c
e
t e
9 of 18
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