Emerson Leroy Somer DIGISTART D3 User Manual page 24

Safety Rating Mechanical
Information Data Installation

In-line installation, non-bypassed
Figure 4-12 Power connections - in-line installation, non-bypassed
K1 F1
4.3.3 Inside delta installation
When connecting the Digistart D3 in inside delta configuration, always install a main contactor or shunt trip circuit
breaker.
CAUTION
When connecting in inside delta, enter the motor full load current (FLC) for Pr 1A. The Digistart D3 will automatically
NOTE
detect whether the motor is connected in-line or inside delta and will calculate the correct inside delta current level.

Inside delta installation, internally bypassed
Figure 4-13 Power connections - inside delta installation, internally bypassed
K1 F1
24
Electrical Keypad Quick Start
Installation and Status Commissioning
L1 T1
L2 T2
L3 T3
E
COM1
RLO1
1/L1 2/T1
3/L2 4/T2
5/L3 6/T3
E
COM1
RLO1
Operation Programming Diagnostics Application
K1
F1
M
3
K1
K1
F1
U1(1) U2(4)
M
V1(2) V2(5)
3
W1(3) W2(6)
K1
Technical Maintenance Options
Examples Data
Main contactor
Semiconductor fuses (optional)
Main contactor
(strongly recommended)
Semiconductor fuses (optional)
Digistart D3 User Guide
Issue: F