APsystems YC500-A Installation/User Manual
22
APsystems YC500A/I Installation/User Manual
22
Wiring Diagram
Sample Wiring Diagram - 120V/ 208V Three Phase
AC
JU
N
CT
IO
N B
OX
AC
B
RA
N
CH
E
N
D C
AB
LE
RE
D -
L1
BL
AC
K -
L2
W
H
IT
E -
N
M
ET
ER
BR
AN
CH
EN
D C
AP
IN
ST
AL
LE
D O
N T
H
E
O
PE
N
A
C C
O
N
N
EC
TO
R
U
P T
O 6
YC
50
0 P
ER
BR
AN
CH
C
IR
CU
IT
20
A
M
P C
IR
CU
IT
BR
EA
KE
R P
ER
BR
AN
CH
C
IR
CU
IT
TO
M
ET
ER
O
R A
C
DIS
TR
IB
U
TIO
N
PA
N
EL
N
EU
TR
AL
GR
O
U
N
D
DIS
TR
IB
U
TIO
N P
AN
EL
12
0V
/ 2
08
V T
HR
EE
P
H
AS
E
SO
LA
R
PA
N
EL
ET
H
ER
N
ET
C
O
N
N
EC
TIO
N
TO
B
RO
AD
BA
N
D R
O
U
TE
R
Ap
sy
ste
m
s
YC
50
0-N
A
12
0 V
AC
P
O
W
ER
C
A
BL
E
EN
ER
G
Y C
O
M
M
U
N
IC
AT
IO
N
U
N
IT
E
C
U
Figure 15
NOTE:
The ECU should function properly when connected to L1, L2
or L3.
Sample wiring diagram - 120V/208V Three Phase
Figure 12