RXT Transfer Switch Manual

Table of Contents, continued
TP-6807 1/16Table of Contents4
Section 3 Operation 29........................................................................
3.1 Model RXT Transfer Switch Operation 29....................................
3.2 Source Availability 29.....................................................
3.3 ATS Control Sequence of Operation 29......................................
3.4 Load Management Operation 29...........................................
3.4.1 Power Loads 30..................................................
3.4.2 HVAC Loads 30..................................................
3.4.3 Load Add/Shed Priority 30.........................................
3.4.4 Status Indicator and Test Button 30.................................
3.5 Load Management Theory of Operation 31..................................
3.5.1 Load Add 31.....................................................
3.5.2 Load Shed 32....................................................
3.5.3 Overload Shed 32................................................
3.5.4 Under Frequency Shed 32.........................................
3.5.5 Load Shed Acceleration 33........................................
3.5.6 Changing Settings 33.............................................
3.6 Time Delays 34..........................................................
3.7 Load Control Time Delay 34...............................................
Section 4 Service Disconnect, SE Model 35....................................................
4.1 Service Disconnect Procedure 35...........................................
4.2 Source Circuit Breaker Reset 36............................................
Section 5 Scheduled Maintenance 37..........................................................
5.1 Introduction 37...........................................................
5.2 Testing 38...............................................................
5.2.1 Weekly Generator Set Exercise 38..................................
5.2.2 Monthly Automatic Control System Test 38...........................
5.3 Inspection and Service 38.................................................
5.3.1 General Inspection 38.............................................
5.3.2 Other Inspections and Service 38...................................
5.4 Service Schedule 39......................................................
Section 6 Diagrams and Drawings 41..........................................................
Appendix A Abbreviations 77................................................................