Electrical Installation; Conection Diagrams - WEG CFW-11 Installation Manual

Installation Guide

ELECTRICAL INSTALLATION

DANGER!
Make sure the AC power supply is disconnected
before starting the installation.
DANGER!
The following information is merely a guide for proper
installation. Comply with applicable local regulations
for electrical installations.
DANGER!
The inverter will be damaged in case the input power
supply is connected to the output terminals.

CONECTION DIAGRAMS

Notes:
Technical specifications including line fuses are on
Technical specification of braking resistors and braking currents
on table A.3.
PE R S T U V W PE
PE
R
S
T
Power Disconnect
Fuses
Supply Switch
Figure 10: Power connection diagram for sizes A, B, C, D, E, F and G
standard frames
Direct current power supply
380-480 V models: 462 to 747 Vdc
DC-
U V W
PE
Figure 11: Power connection diagram for sizes F and G with Special DC
Hardware
10 | CFW-11
tables A.1 and A.2.
PE W V U
Shielding
Fuses
DC+
PE W V U
Shield
Contactor
Power
supply
Thermal
relay
Control power
supply
Thermostat
Figure 12: Braking resistor connection diagram for sizes A, B, C, D and E
OPTIONAL
DC+ DC-
DC- DC+
External
braking
module
(DBW03)
Braking
resistor
DC+ BR
R S T U V W
PE
R
S
T
Power Disconnect
Fuses
supply switch
Figure 13: Power connection diagram for sizes F and G standard with
braking resistor
R/L1 S/L2 T/L3 DC- BR
Ground
(a) Sizes A, B and C
Figure 14 (a): Power and grounding terminals sizes A to C
CFW-11
R
S
T
BR DC+
Braking
resistor
PE W V U
Shield
DC+ U/T1 V/T2 W/T3