IB01602002E
Page v
Effective 10/02
PAGE
SECTION 6: TESTING AND PROBLEM SOLVING
6.1 Testing .............................................................................................................................................................18
6.2 Problem Solving ................................................................................................................................................18
6.2.1 Transfer Switch Appears Inoperative ...................................................................................................19
6.2.2 Transfer Switch will not Automatically Transfer to Normal...................................................................19
6.2.3 Transfer Switch will not Automatically Transfer to Emergency ............................................................19
6.2.4 Transfer Switch will not Automatically Recharge Switches..................................................................20
SECTION 7: MAINTENANCE
7.1 Introduction........................................................................................................................................................21
7.2 Procedures........................................................................................................................................................21
7.3 Cover Removal and Replacement ....................................................................................................................23
7.3.1 NEMA 1 Cover Removal and Replacement.........................................................................................23
7.3.2 NEMA 3R Cover Removal and Replacement ......................................................................................25
SECTION 8: RENEWAL PARTS GUIDE
8.1 General .............................................................................................................................................................28
LIST OF FIGURES
Figure Title Page
1-1 Typical Load Transfer Switch (circuit breaker type) Schematic.................................................................2
1-2 Typical Mini Transfer Switch with Dead Front Attached ............................................................................3
1-3 Typical Mini Transfer Switch with Dead Front Removed...........................................................................3
3-1 Typical Mini Power Panel ..........................................................................................................................6
3-2 Insulated Case Switch...............................................................................................................................6
3-3 Fixed Insulated Case Circuit Breaker........................................................................................................7
3-4 Terminal Connections for Typical Fixed Mount Transfer Switch ...............................................................7
3-5 Voltage Selection Panel.............................................................................................................................8
3-6 ATC-600/ATC-800.....................................................................................................................................8
3-7 Neutral SE with Ground Fault....................................................................................................................9
3-8 Solid Neutral..............................................................................................................................................9
3-9 Charger Mounting Dimensions in Inches (mm) .......................................................................................10
4-1 Seismic Tested and Approved Product Mounting Instructions................................................................15
5-1 Pumping Handle Charges Stored Energy Mechanism............................................................................16
5-2 Close Switch by Pushing Close Button....................................................................................................16
5-3 Switching Device Closing Precautions ....................................................................................................17