Trane RTHD

L2
L3
1K1
1K1
1K1
1K2
1K2
1K4
1K4
1K4
R
R
R
1K2
1K3
1K3
L1
Power Flow
Initiate Transition to Delta
L2
L3
1K1
1K1
1K1
1K2
1K2
1K4
1K4
1K4
R
R
R
1K2
1K3
1K3
L1
Power Flow
Power Flows Though
Resistors
100 msec After 1K4
Closes Shorting
Contactor 1K3 Opens
40 RLC-SVD05A-EN
Starter
Figure 23.Y-Delta Starter Sequence
Figure 24.Y-Delta Starter Sequence