Multilin 139 series - Page 5

Figure
2-1
2-2
2-3
2-4
2-5a
2-5b
2-6
3-1
3-2
3-3
3-4
3-5
4-1
5-1
5-2
5-3
LIST OF FIGURES
Tiiie Page
Relay Dimensions. . . . . . . . . . . . . . . . . . 5
CT Dimensions. . . . . . . . . . . . . . . . . . . 6
Relay Layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Relay Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Relay Wiring Diagram -AC Control Power
..................... 10
Relay Wiring Diagram -DC Control Power ..................... 11
Connecting Phase CTs. . . . . . . ................ 12
Front Panel Layout. . . . . . . . . . . . . ..... 15
Time/Overload Run Curves.... . . . . . . . . . . .. 17
RTD Hot Motor Compensation. . . . ................ 24
Setting RTD Trip/Alarm Temperatures. . . . . . . . . . ....... 27
Multilin Fault Finder. . . ........... 29
Secondary Injection Test Set Schematic ....................... 30
Relay Block Diagram. . . ................. 37
Relay Schematic. . . . . . . . . . . . . . ..... BACK PAGE FOLD OUT
Relay Component Locator ................ BACK PAGE FOLD OUT
LIST OF TABLES
Table Trtle Page
1-1 Multilin Relay Protection Features......... . . . . . . . . 1
1-2 Relay Order Code. . . . . . . . . . . . . . . . . . . . . . . . 3
1-4 Technical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2-1 External Relay Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3-1 Controls and Indicators
.................................... 16
3-2 Memory Lockout Conditions. . . . . .................... 20
3-3 Overload Level Switch Settings .............................. 22
3-4 Option Switch Settings. . . . . . . ........................ 23
3-5 Ground Fault Switch Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4-1 RTD Resistance vs Temperature. . . ....................... 33
4-2 Problem Troubleshooting Guide. . . . . . . . . . . . . . . . . ..... 35
Courtesy of NationalSwitchgear.com