O&M Manual –90E1720004
Table of Contents Page 4 of 52
Setting the Clock.............................................................................................................................................. 40
Setting Daylight Savings.................................................................................................................................. 40
Entering the Switch Designation...................................................................................................................... 40
Setting Timers..................................................................................................................................................41
Setting Voltage and Frequency Setpoints for S1 (VFS1) and S2 (VFS2)........................................................ 41
Setting Transition Mode on a Closed Transition Switch .................................................................................41
Setting Pre and Post for Elevator Contacts ......................................................................................................42
Setting up the Exerciser Function....................................................................................................................42
Performing a Load Test or a No Load Test.......................................................................................................... 43
Section 9 Maintaining the Bypass-Isolation Transfer Switch................................................................................44
Transfer Switch Inspection Guidelines................................................................................................................. 44
Ideal Operating Conditions.............................................................................................................................. 44
Normal Operating Conditions.......................................................................................................................... 45
Harsh Operating Conditions.............................................................................................................................45
General Inspection and Cleaning......................................................................................................................... 46
Bus Bar Joints, Lug Terminations, and Insulating Materials............................................................................... 47
Section 10 Adverse Circumstances.......................................................................................................................... 48
Inspection Following a Short Circuit ................................................................................................................... 48
Clean-up Following a Short Circuit..................................................................................................................... 48
Water-Soaked Switches......................................................................................................................................... 48
Section 11 Insulation Resistance Chart ................................................................................................................... 49
Section 12 Maintenance Log................................................................................................................................... 50