FireLite SLC Wiring Manual — P/N 51309:P4 9/17/2014 51
Wiring a CMF-300-6 Module Control Modules
6.5 Wiring a CMF-300-6 Module
This section contains basic instructions and diagrams for wiring a Signaling Line Circuit with a
CMF-300-6 as a Notification Appliance Circuit (NAC).
For more detailed information on wiring a CMF-300-6 Control Module refer to the Installation
Instructions provided with the module. Included in these instructions are wiring diagrams concern-
ing a single power supply being shared by multiple NACs and audio NAC configurations.
6.5.1 Wiring a Style Y NAC (Two-Wire)
A supervised and power-limited NFPA Style Y (Class B) NAC with a single power supply dedi-
cated to a single NAC using a CMF-300-6 module. Polarized alarm notification appliances are
shown connected to the module in a two-wire configuration.
• See “Power Considerations” on page 68 for information on monitoring 24 VDC power.
• Each module can control 2 amps of resistive load (on electronic devices) or 1 amp of inductive
load (on mechanical bells and horns).
• 24 VDC power must be provided from a UL listed power supply for fire protection use.
• A power supervision relay is required only on the last module of the power run.
• Do not T-tap or branch a Style Y circuit.
• Terminate the circuit across the last device using an End-of-Line Resistor 47K, 1/2-watt,
P/N SSD A2143-00 (ELR-47K in Canada).
• Do not loop wiring under the screw terminals of any notification appliance. To maintain super-
vision, break the wire run at each device.
NOTE: Refer to the Device Compatibility Document for compatible notification appliances and
relays.
– +
– +
T10
T1
+1
+2
+3
+4
+5
T0
+0
T2
T3
T4
T5
T11
T12
T13
T14
T15
T16
24 VDC notification appliances
NAC Out
24 VDC
nonresettable
power
SLC-nacY2.wmf
Power Supervision
Relay
(EOLR-1)
SLC
CMF-300-6
ELR 47K,
1/2-watt
Relay Connector Assembly
Figure 6.5 NFPA Style Y Notification Appliance Circuit
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