Trane RTHD Troubleshooting Manual page 40
Air and water cooled chillers
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Also See for RTHD:
- Installation instructions manual (68 pages) ,
- User manual (32 pages) ,
- Installation operation & maintenance (184 pages)
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40
Starter
1K3
1K3
Initiate Transition to Delta
1K2
L2
Power Flow
Figure 23.Y-Delta Starter Sequence
1K3
1K3
Power Flows Though
Resistors
100 msec After 1K4
Closes Shorting
Contactor 1K3 Opens
1K2
L2
Power Flow
Figure 24.Y-Delta Starter Sequence
L1
1K1
1K4
R
1K4
1K4
1K1
1K2
L1
1K1
1K4
R
1K4
1K4
1K1
1K2
1K2
1K1
L3
1K2
1K1
L3
RLC-SVD05A-EN
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Table of Contents
Troubleshooting
