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Kohler KSE TS 840 Automatic Transfer Switches Operation, Installation, Service Manual (tp6294)

Format: PDF (Printable Document)

File Language: English

File Pages: 40

File Size: 0.45 MB (Speed Download Link)

Brand: Kohler

Model: KSE TS 840 Automatic Transfer Switches Operation, Installation,

Book No: tp6294

Type of Document: Service Manual

Power Switching Device:
Service Entrance Rated
100 to 800 Amperes
Electrical Controls:
TSC 80

Categories: ,

$ 40

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Kohler KSE TS 840 Automatic Transfer Switches Operation, Installation, Service Manual (tp6294)

Kohler KSE TS 840 Automatic Transfer Switches Operation, Installation, Service Manual (tp6294)

This manual is what I keep handy any time I’m working on a Kohler KSE TS 840 transfer switch in a commercial plant, data room, or standby power shed. The switch’s job is to move the load cleanly between utility and generator, and this document walks you through how to verify that logic before you start swapping parts. If the switch hesitates, chatters, or refuses to transfer during an outage test, this is what I’d use to trace control power, check sensing circuits, and confirm the mechanism is operating within spec.

Applications & Use Cases

  • Diagnose no-transfer or no-retransfer issues by following the step-by-step checks for control signals and mechanical movement.
  • Isolate nuisance trips or misoperations by verifying settings and confirming feedback devices are working as intended.
  • Guide safe disassembly and reassembly of the operating mechanism so you don’t misalign linkages or pinch wiring.
  • Adjust timing and operational parameters in a controlled way, testing after each change to confirm the fault is resolved.
  • Support parts identification so you replace the correct contact kits, coils, or boards the first time.

FAQ

Q: Can I keep this manual on a tablet in the switch room?

A: Yes, it’s practical to use digitally; you can zoom wiring details and search for specific procedures while you’re at the cabinet.

Q: Is it worth printing sections of this manual?

A: Many techs print the key procedures or diagrams they use most, then keep them in a binder with site-specific notes.

Safety Note

Always de-energize and lock out all sources before opening or working inside the transfer switch enclosure.

Kohler KSE TS 840 Automatic Transfer Switches Operation, Installation, Index:

Product Identification Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Safety Precautions and Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
List of Related Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Service Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Section 1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.2 Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.2.1 Equipment Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.2.2 Equipment Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.3 Product Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.4 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.5 Installer Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.6 Dielectric Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.7 Electrical Connections/Cable Terminal Information . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.8 Upstream Circuit Protective Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.8.1 Transfer Switches with Integral Overcurrent Protection . . . . . . . . . . . . . 12
1.8.2 Overcurrent Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.8.3 Requirements for Upstream Circuit Protective Devices . . . . . . . . . . . . . 12
1.9 System Phasing, High Leg Delta Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1.10 Remote Start Contact Field Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1.11 Open Type Transfer Switch Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.12 Typical Commissioning Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.13 Ground Fault Site Test Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Section 2 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.1 Standard Automatic Transfer Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.2 Service Entrance Automatic Transfer Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.2.1 Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.2.2 Overcurrent Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.3 Service Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.3.1 Service Disconnect Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.3.2 Additional Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.4 Test Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Section 3 Servicing Transfer Switch Mechanisms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.1 Equipment Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.2 Transfer Switch Mechanism Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.2.1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.2.2 Manual Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.3 Recommended Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Section 4 Transfer Mechanism Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.1 100–250 Amp S-Style Transfer Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.2 400–800 Amp S-Style Transfer Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Section 5 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Section 6 Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Section 7 Performance Test Form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Appendix A Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Appendix B Commissioning Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

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