Fire-Lite ECC-50 - 2: Speaker Circuits

Emergency Command Center Manual — P/N LS10001-000FL-E:D 9/3/2014 37
Output Circuits Installation
2.6.2 Speaker Circuits
• One Speaker Circuit Style Y (Class B) or Style Z (Class A) standard
• Two Speaker Circuits Style Y (Class B) or Style Z (Class A) with ECC-50-25/70V
• Four Speaker Circuits Style Z (Class B) or Style Z (Class A) or Style Y with ECC-CE6
• Eight Speaker Circuits Style Z (Class B) or Style Z (Class A) or Style Y with ECC-50W-
25/70V and ECC-CE6
The integral amplifier and optional amplifier each provide audio for one Speaker Circuit. The cir-
cuit can be wired Style Y (Class B) or Style Z (Class A). Each supervised and power-limited
(Class 2) circuit is capable of 50 watts of power. Refer to the Fire•Lite Device Compatibility Doc-
ument for a listing of compatible speakers.
Shielded cable is not required, however, shielded cable will reduce RFI/EMI emissions and suscep-
tibility. For additional information, refer to “Wiring Requirements” on page 98.
!
CAUTION: OBSERVE POLARITY
MATCH PROPER POLARITY CONNECTIONS TO FIELD WIRING AND SPEAKERS. POLARITY
SHOWN IS IN THE STANDBY AND ALARM CONDITIONS.
TB20
TB21
Figure 2.15 Speaker Circuit Connections
Style Z (Class A) Circuit
ELR required for
Style Y - Class B only
15K, 1 watt, P/N:ELR-15K
Shield
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