Johnson Controls, Inc. SLC Wiring Manual —
P/N 51870:G 04/23/2009
57
Supervising 24 VDC Power
Power Considerations
Style Z NAC Power Wiring (Alternate)
Program the NAC from the control panel for general alarm. (Refer to the programming manual or
programming section of the FACP documentation for instructions.) Note that if the NAC is a coded
output, the M300CJ output will be coded as well.
Refer to the
Device Compatibility Document
for compatible notification appliances.
•
The circuit is supervised and power-limited.
•
In this circuit, an external ELR is
not
required at end of the NAC circuit.
•
Refer to the respective control panel installation manual for NAC terminal block connection
information.
•
Remove internal resistor on each M300CJ (see instructions in Figure 7.2 on page 42).
Connect the NAC power as follows:
Figure A.4 NFPA Style Z NAC Power (Alternate)
M300CJ
S
L
C
-na
cZ1tp
H
.w
m
f
NAC Terminal Block
(24 VDC)
M300CJ
Circuit supervised
by control panel
Note: Drawing shows power wiring
only; SLC Wiring not shown.