339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL TOC–5
VT fuse fail (VTFF or 60VTS) ..................................................................................................6 - 140
S5 Inputs/Outputs..............................................................................................................6 - 142
Contact inputs ...........................................................................................................................6 - 145
Output relays - Input/Output “E”.......................................................................................6 - 146
Output Relays - Breaker - Input/Output “E” ...............................................................6 - 147
Output Relays - Contactor - Input/Output “E”...........................................................6 - 155
Output relays Input/Output “R” .........................................................................................6 - 158
Output Relays - Breaker - Input/Output “R”...............................................................6 - 159
Output Relays - Contactor - Input/Output “R” ..........................................................6 - 165
Virtual inputs...............................................................................................................................6 - 168
S6 Monitoring.......................................................................................................................6 - 170
Demand ........................................................................................................................................6 - 170
Current demand......................................................................................................................6 - 171
Real Power .................................................................................................................................6 - 172
Reactive Power ........................................................................................................................6 - 174
Apparent Power.......................................................................................................................6 - 176
7.MAINTENANCE M1 Relay information.......................................................................................................7 - 2
M2 Motor maintenance...................................................................................................7 - 4
M3 Breaker maintenance...............................................................................................7 - 5
Trip coil ..........................................................................................................................................7 - 5
Close coil.......................................................................................................................................7 - 9
Breaker trip counter................................................................................................................7 - 12
Breaker health ...........................................................................................................................7 - 14
Reset counters...........................................................................................................................7 - 17
M4 Breaker monitor..........................................................................................................7 - 18
M5 Relay maintenance ...................................................................................................7 - 19
Ambient temperature.............................................................................................................7 - 19
M6 Factory service............................................................................................................7 - 21
M7 Testing .............................................................................................................................7 - 22
Force LEDs ...................................................................................................................................7 - 22
Force output relays .................................................................................................................7 - 23
General maintenance ......................................................................................................7 - 24
In-service maintenance ........................................................................................................7 - 24
Out-of-service maintenance...............................................................................................7 - 24
Unscheduled maintenance (system interruption) ....................................................7 - 24
A.APPENDIX Warranty................................................................................................................................A - 1
Repairs ....................................................................................................................................A - 2
Change notes.......................................................................................................................A - 3
Manual Revision history........................................................................................................A - 3