R8010RB
Page 4/24 MVAX
4.3.1 Hand reset reverse flags 14
4.3.2 Self reset reverse flags 14
5. PROBLEM ANALYSIS 15
5.1 Failure to operate/reset 15
5.2 Output contacts not changing state. 15
5.3 Reset time on MVAX 12 too short. 15
6. SPARES 15
6.1 Repairs 15
7. COMMISSIONING TEST RECORD 23
FIGURES
Figure 1: Circuit and application diagram – trip supervision relay 16
Figure 2: Supervision of interposing control relay type MVAW 17
Figure 3: Supervision of tripping relay type MVAJ 17
Figure 4: Circuit diagram – MVAX21 trip circuit supervision relay without preclosing
supervision 18
Figure 5: Application diagram – MVAX21 trip circuit supervision relay without preclosing
supervision 19
Figure 6: Circuit diagram – MVAX31 trip circuit supervision relay with preclosing
supervision 20
Figure 7: Application diagram - MVAX31 trip circuit supervision relay with preclosing
supervision 21