Honeywell Notifier FirstCommand Series, Instruction Manual

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Notifier FirstCommand Series Manual — P/N LS10001-001NF-E:H 1/8/2018 47
Installation of Option Modules Installation
2.13.3 70.7 V
RMS
Transformer (NFC-XRM-70V)
The 70.7 V
RMS
Transformer can be used to convert the integral 25 V
RMS
amplifier for installations where 70.7 V
RMS
speakers already
exist or are to be installed. Speaker wiring continues to be supervised during standby, alarm and while background music is playing
when transformer is installed. The transformer comes pre-installed onto a bracket for mounting to the chassis. Installation onto the chas-
sis depends on what other option modules are installed. See the
NFC-XRM-70V Installation Document . Refer to the drawing below.
50W
circuit
1
2
3
4
Primary with Expander and Backup
• 50W for primary, 50W for backup
• Four Class B or Class A Outputs
• NFC-CE6 adds 3 primary speaker
circuits
• Optional Amplifier is the backup
Primary
Figure 2.43 Primary with Expander and Optional Amplifier Backup
CE6
Primary/
Backup
50W
amp
Backup
TB20 on main control board
TB1 on NFC-CE6
TB2 on NFC-CE6
TB3 on NFC-CE6
Speaker Circuit Connections
zone button
Figure 2.44 70.7 V
RMS
Transformer Installation
NFC-CE6
e
c
c
x
fm
rc
e
6
.w
m
f
NOTE: For 70.7V
RMS
operation with the optional amplifier, use model NFC-BDA-70V.
!
CAUTION: DISCONNECT POWER
BEFORE INSTALLING ANY MODULES, MAKE CERTAIN ALL POWER (AC AND DC) HAS BEEN REMOVED.