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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 240 and 208V taps are
shown in Table 4 below.
TABLE 4
OPERATING VOLTAGE RANGE
T
A
P
2
4
0
V
2
0
8
V
T
T
T
T
R
A
N
G
E
2
5
3
-
2
1
6
2
2
0
-
1
8
7
THERMOSTAT WIRE SIZE
T
a r
n
f s
r o
m
r e
V
A
F
5
5
WALL THERMOSTAT AND SUBBASE COMBINATIONS
h
r e
m
o
t s
t a
S
u
b
b
a
s
e
8
4
0
3
0 -
0
2
8
4
0
4
0 -
0
3
8
7
F
3
1
1
1
Q
5
3
9
A
1
2
2
0
8
4
0
3
0 -
4
1
- - -
T
8
0
3
4
C
8
4
0
3
0 -
1
9
8
4
0
4
0 -
1
2
8
7
4
C
1
7
6
0
Q
6
7
4
A
1
0
0
1
8
4
0
3
0 -
2
1
8
4
0
4
0 -
1
2
8
7
4
D
1
9
3
4
Q
6
7
4
A
1
0
0
1
8
4
0
3
0 -
4
9
- - -
1
F
9
3
3 -
8
0
8
4
0
3
0 -
4
3
- - -
C
M
2 -
0
0
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).
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.
TABLE 5
M
D
L
A
W
i
e r
G
a
u
g
e
2
0
g
a
u
g
e
1
8
g
a
u
g
e
2
3 .
1
6
g
a
u
g
e
1
4
g
a
u
g
e
1
2
g
a
u
g
e
TABLE 6
P
e r
d
o
m
n i
a
e t
F
e
1
s
a t
g
e
h
e
a
, t
1
s
a t
g
e
c
o
l o
S
s y
e t
m
:
h
e
t a
o -
f f
c -
o
l o
F
a
: n
1
s
a t
g
e
h
e
a
, t
1
s
a t
g
e
c
o
l o
S
s y
e t
m
:
h
e
t a
o -
f f
c -
o
l o
F
a
: n
1
s
a t
g
e
c
o
, l o
2
s
a t
g
e
h
e
t a
S
s y
e t
m
:
h
e
t a
a -
u
o t
c -
o
l o
F
2
s
a t
g
e
c
o
, l o
2
s
a t
g
e
h
e
t a
S
s y
e t
m
:
h
e
t a
a -
u
o t
c -
o
l o
F
2
s
a t
g
e
c
o
, l o
2
s
a t
g
e
h
e
t a
E
e l
t c
o r
n
c i
7
d
a
y
p
o r
g
a r
1
s
a t
g
e
h
e
a
, t
1
s
a t
g
e
c
o
l o
S
s y
e t
m
:
h
e
t a
o -
f f
c -
o
l o
F
a
a
i x
m
u
m
s i
a t
n
c
e
n I
F
e
t e
4
5
6
0
1
0
0
1
6
0
2
5
0
a
u t
e r
s
a
u
o t
o -
n
a
u
o t
o -
n
a
: n
a
u
o t
o -
n
a
: n
a
u
o t
o -
n
m
m
n i
g
: n
a
u
o t
o -
n
Manual
Page
2100-425
9
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