Delta Electronics AC Motor Drive VFD-G - Manual (Page 31)

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