Fuji Electric FRENIC-HVAC User Manual page 743

(2) When using RHC series RHC280-4C to RHC630-4C, RHC400-4C (VT mode), or
RHC500B to RHC800B-4C
Connection diagram of conventional inverters (before replacement)
52
Power
supply
Ready
RDY RDY
to run
a c
220 V
b d
or less
52T
RDY 73 52A
Connection diagram of replacement inverters (after replacement)
Change the connection marked with
1) Auxiliary control power input terminals (R0, T0)
Be sure to connect these terminals to the main power supply
contacts
of the magnetic contactor (52) for the power supply circuit.
2) Auxiliary main circuit power input terminals (R1, T1),
with R1 and T1
Be sure to connect these terminals to the main power supply
through normally-closed contacts
circuit.
52
Power
supply
RD RD
Ready
Y
Y
to run
220 V a c
b
or less
52T
RDY 73 52A
R0
73
Lr
Lf
6F
Rf
Cf
52
g
c
h
d
52A 52
Operation
52T
52 Stop
6F RUN
52 52T RUN 6F FX
of the magnetic contactor (52) for the power supply
R0
73
Lr
Lf
6F
Rf
Cf
52
g
To inverter's
h
R1 and T1
terminals
i j
To inverter's
R0 and T0
terminals
52A 52
Operation
d
52 52T Stop
RUN
6F
52 52T RUN 6F FX
A-20
Inverter
Converter
F
L1/R P(+) P(+)
L2/S
F
L3/T N(-) N(-)
g
R2 R0
h
T2 T0
e
Y5A
Y5C f
30A
R1 30B X9(THR) CM
CM
S1 30C
T1 30A
a
R0 30B
b
T0 30C
73A
73C
RUN
RUN
RST
CM
E(G)
FX
.
exclusive to inverters equipped
Converter Inverter
F
L1/R P(+) P(+)
L2/S
F
L3/T N(-) N(-)
g
R1
R2
h
T1
T2
e
Y5A
Y5C f
30A
R1 X9(THR) CM
30B
S1 30C CM
T1 30A
a
R0 30B
T0 b 30C
c 73A
73C
d
RUN
i
R0
RUN
j T0
RST
CM
E(G)
FX
U
V M
W
e f
FX
FWD
13
12
11
E(G)
via normally-closed
without passing
U
V M
W
e f
FX
FWD
13
12
11
E(G)