Notifier FirstCommand Series Manual —
P/N LS10001-001NF-E:H 1/8/2018
31
Output Circuits
Installation
Trouble Relay - TB2
The main control board provides a Form-C Trouble relay for independent, general system fault monitoring. This relay is ‘fail safe’,
meaning that it is normally energized. Should system power shut off, this relay will de-energize, transferring its contacts.
AC Power Loss Relay - TB3
The main control board provides a Form-C AC Power Loss relay.
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 NFC-BDA-25/70V
•
Four Speaker Circuits Style Z (Class B) or Style Z (Class A) or Style Y with NFC-CE6
•
Eight Speaker Circuits Style Z (Class B) or Style Z (Class A) or Style Y with NFC-BDA-25/70V and NFC-CE6
The integral amplifier and optional amplifier each provide audio for one Speaker Circuit. The circuit 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 Notifier Device
Compatibility Document for a listing of compatible speakers.
Shielded cable is not required, however, shielded cable will reduce RFI/EMI emissions and susceptibility. For additional information,
refer to “Wiring Requirements” on page 82.
Figure 2.13 Trouble Relay
TB2
e
c
c
tr
b
l.
w
m
f
Shown in energized,
non trouble condition
Figure 2.14 AC Power Loss Relay
TB3
Shown in normal
AC Power condition
e
c
c
a
c
rl
.w
m
f
!
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
e
c
c
c
k
t1
.w
m
f
Summary of Contents for Notifier FirstCommand Series
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