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General| Amperage | 20 A |
|---|---|
| Current Rating | 20 A |
| Material | Thermoplastic |
| Color | White |
| Mounting Type | Wall Mount |
| Actuator Type | Toggle |
| Type | Toggle |
Warnings about accidental generator starting and how to prevent it.
Warnings about battery acid hazards and explosion risks.
Detailed warnings and precautions regarding hazardous voltage.
Warning about improper lifting and weight handling.
Warnings about moving parts and associated hazardous voltage.
Notices on hardware, contamination, and electrostatic discharge.
Lists related literature for operation and installation.
Explains the function of an automatic transfer switch (ATS).
Lists and describes the main components of the ATS.
Describes the information found on the transfer switch nameplate.
Explains how to interpret the transfer switch model number.
Provides wire size ranges for transfer switch power terminals.
Outlines the power-up procedure after maintenance.
Describes ATS monitoring and transfer logic.
Explains the generator exerciser function and switch.
Provides steps for manual operation and testing.
Describes connecting an external test switch.
General guidance on inspection and service.
How to inspect contacts and address overheating.
Importance and procedures for periodic testing.
Describes millivolt drop and insulation breakdown tests.
General checks for faulty connections.
Troubleshooting issues related to system power.
Lists problems, causes, and corrective actions.
Checking AC system and DC controller voltages.
Detailed steps for engine start circuit issues.
Troubleshooting exerciser circuit problems.
Troubleshooting contactor mechanical and electrical issues.
Troubleshooting NR/ER relays and controller circuitry.
Testing the controller's automatic operation sequence.
Troubleshooting emergency source sensing issues.
Troubleshooting normal source sensing issues.
Safety steps before and after servicing components.
Procedures for contactor assembly removal and installation.
Procedures for solenoid assembly disassembly and replacement.
Procedures for microswitch replacement.
Handling and replacement of the controller PCB.
Generic procedures for other service parts.
How to find and identify service parts.
Parts list and illustration for the G220 Contactor.
Parts list and illustration for control modules.
Parts lists for NEMA Type 1 and Type 3R enclosures.
Parts lists for neutral lugs and auxiliary switches.
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