Cutler-Hammer ATVISPE31000XSU, Instructions Manual

Page: 5 / 44

I.B. ATS-SD02
Page v
Effective 5/98
PAGE
SECTION 6: DRAWOUT MECHANISM
6.1 Drawout Interlock ..............................................................................................................................................23
6.2 Switch Position ..................................................................................................................................................23
6.3 Rotation on the Drawout....................................................................................................................................23
6.4 Operational Check for Drawout Mechanism......................................................................................................24
SECTION 7: OPERATION OF BYPASS ISOLATION TRANSFER SWITCH
7.1 Operator Panel ..................................................................................................................................................25
7.2 Automatic Operation..........................................................................................................................................25
7.3 Bypassing the Transfer Switch..........................................................................................................................26
7.3.1
Normal to Normal Bypass ....................................................................................................................26
7.3.2 Emergency to Emergency Bypass .......................................................................................................26
7.3.3 Normal to Emergency Bypass ..............................................................................................................29
7.3.4 Emergency to Normal Bypass ..............................................................................................................29
7.4 Manual Operation when in Bypass Mode..........................................................................................................30
7.4.1
Normal Bypass to Emergency Bypass .................................................................................................30
7.4.2 Emergency Bypass to Normal Bypass .................................................................................................30
SECTION 8: TESTING AND PROBLEM SOLVING
8.1 Testing .............................................................................................................................................................31
8.2 Problem Solving ................................................................................................................................................31
8.2.1
Transfer Switch Appears Inoperative ...................................................................................................31
8.2.2 Transfer Switch will not Automatically Transfer to Normal ...................................................................32
8.2.3 Transfer Switch will not Automatically Transfer to Emergency ............................................................32
8.2.4 Transfer Switch will not Automatically Recharge Switches ..................................................................32
SECTION 9: MAINTENANCE
9.1 Introduction........................................................................................................................................................33
9.2 Procedures ........................................................................................................................................................33