TC500K3US-O Installation Instructions
24
The main circuit of TC500K3US-O is as shown in Figure 4-5.
E
x
te
rn
a
l
c
o
m
m
u
n
ic
a
ti
o
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n
it
＝
3
～
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+
A
C
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a
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+
D
C
B
re
a
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in
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rt
e
r
320V
－
580V
A
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ry
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it
H
M
I
u
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it
R
S
2
3
2
R
S
4
8
5
D
C
-
2
4
V
+
-
A
B
C
D
C
S
P
D
A
C
S
P
D
EM
C f
ilt
er
EM
C f
ilt
er
G
F
D
I
A
C
F
lit
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r
A
C
-2
0
0
G
a
b
G
b
c
G
c
a
A
C
C
o
n
ta
c
to
r
Figure 4-5 The main circuit of TC500K3US-O
