ONAN GTEC 20-2000 AMPS TRANSFER SWITCH Service Repair Manual
Secure transaction
Description
Product Reviews
Q&A
This service repair manual for the CUMMINS ONAN GTEC 20-2000 Amps transfer switch includes the following contents:
Safety precautions
Introduction
Transfer switch start-up
Description
Cabinet
Control panel
Control function LEDs
ATS status LEDs
Membrane pushbuttons
Electronic control system
Transfer inhibit input
Retransfer inhibit input
Remote test input
Two-wire starting
Transfer switch
Contact assemblies
Electro-mechanical actuator
Auxiliary contacts
Voltage sensing
Line-to-neutral voltage sensing
Line-to-line voltage sensing
Float battery charger option
2-amp battery charger
External exercise clock option
Elevator relay option
Manual restore option
Manual operation
Pushbutton operation
Test pushbutton
Override pushbutton
Set exercise pushbutton
Test with or without load
Test with load sequence of events
Test without load sequence of events
Utility sensor
Generator sensor
Phase check sensor
Return to programmed transition
Generator set exerciser
Control panel configuration
Installation - Mounting
Troubleshooting
Transfer switch service
Switch assembly removal/replacement procedure
Switch removal and replacement procedure
Disconnect AC power
Transfer switch assembly removal
Transfer switch replacement
Parts information
Wiring diagrams
This comprehensive manual is available in PDF format and features detailed exploded views. It provides step-by-step written procedures with pictures and diagrams, making it suitable for professional mechanics and DIY enthusiasts for repairs, maintenance, and servicing.
