SilentKnight SKE-ZN4 Zone Splitter - Manual (Page 2)

SKE-ZN4 Zone Splitter Installation Instructions
2
7550 Meridian Circle
Maple Grove, MN 55369-4927
763-493-6455 or 800-328-0103
Fax: 763-493-6475
www.silentknight.com
© 2005 Silent Knight PN 151394 Rev B
Speaker Wiring
Each SKE-ZN4 supplies four Notification
Appliance Circuits for speaker connection. The
circuits can be supervised and wired Class B
(Style Y) or Class A (Style Z). Each circuit is
capable of 50 watts of power.
Note: The system can support a maximum of 50 watts of power.
1. Remove the cover plate on the SKE-ZN4.
See Figure 3.
2. Set the Speaker Circuit Supervision Selector
to the appropriate position for Class B or
Class A wiring. See Figure 4.
Figure 4: Speaker Circuit Supervision Selections
3. To wire speakers to the control panel using
Class B (Style Y) supervision see Figure 5.
Figure 5: Class B (Style Y) Speaker Configuration
4. To wire speaker circuits to the control panel
in a Class A (Style Z) configuration see
Figure 6.
Figure 6: Class A (Style Z) Speaker Configuration
FACP Alarm Control Wiring
This section describes how to connect relay
outputs from a FACP to control the four separate
zones on the SKE-ZN4 four zone splitter.
1. Connect an active low relay or contact from
the FACP to the Alarm Selects on the SKE-
ZN4. See Figure 7.
Figure 7: FACP Alarm Control Outputs
Electrical Specifications
Supervised
Power Limited
15 k Ω EOL
UL Listed
Model 7630
Supervised
Power Limited
Ground Fault Impedance To Any Terminal: 0 Ω
Audio Circuit: 25 Vrms or 70.7 Vrms
Standby Input Power: 27.4 VDC @ 45 mA
Alarm Input Power: 27.4 VDC @ 250 mA
Supervised
Power Limited
Non-Supervised
Power Limited
4.7 k Ω
UL Listed EOL
Model 7628
Must be wired
within 20 feet
and in conduit