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2 class b (style y), 3 class a (style z) – SilentKnight EVS User Manual

Page 40

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EVS Series Emergency Voice System Installation Manual

4-18

LS10062-001-SK-E

4.5.4.2 Class B (Style Y)

Figure 4-17 illustrates how to wire speakers to the control panel using Class B (Style
Y) supervision.

Figure 4-17 Class B (Style Y) Speaker Configuration

4.5.4.3 Class A (Style Z)

Figure 4-18 illustrates how to wire speakers to the control panel using Class A (Style
Z) wiring.

Figure 4-18 Class A (Style Z) Speaker Configuration

15k

EOL

UL Listed

Supervised
Power Limited

Supervised

Power Limited