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Chapter 2 Installation and Wiring|
2.3 Main Circuit Connection
For 460V series, 20hp and below
R/L1
S/L2
T /L3
For 460V series, 25hp and above
R/L1
S/L2
T /L3
Terminal Symbol
R/L1, S/L2, T/L3
U/T1, V/T2, W/T3
+1, +2
+2/B1~B2
+2~ -, +2/B1~ -
2-8
DC Reactor
(O pti onal)
Jumper
NFB
MC
NFB
DC Reactor
(O pti onal)
Jumper
NFB
MC
NFB
Explanation of Terminal Function
AC line input terminals
AC drive output terminals motor connections
Connections for DC Link Reactor (optional)
Connections for Braking Resistor (optional)
Connections for External Braking Unit (VFDB series)
Earth Ground
Br ak e Resistor
(O pti onal)
BR
+1 +2/B1
B2
U/T1
R/L1
VFD-G
V/T2
S/L2
T /L3
W/T 3
V FDB
B1
P N
B2
+1
+2
U/T1
R/L1
VFD-G
V/T2
S/L2
T /L3
W/T 3
-
Motor
IM
3~
Br ak e
Unit (O pti onal)
Br ak e
Resistor
(O pti onal)
-
Motor
IM
3~
Revision July 2008, EG03, SW V1.06
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