Installation Installing Panel Circuit Modules
46 NFS-640 Installation Manual P/N 51332:B1 12/01/2003
Figure 25 Sample ICM-4RK Configuration for Multiple Power Supplies
3.7.6 Field-Wiring the ICM-4RK and ICE-4 (NFPA Style Y or
Z)
Guidelines for field-wiring:
• Notification Appliance Circuits (NACs) are supervised, power-limited, and can connect to an
energy-limited cable.
• Use only the compatible, UL-listed notification appliances listed in the Device Compatibility
Document.
• Wire notification appliances according to the manufacturer's instructions.
• Maximum current per circuit is 3.0 A. Maximum current per module depends on the type of
power supply (standard or auxiliary).
• Canadian installations require model N-ELR End-of-Line Resistor Assembly (Style Y only).
• Size NAC wiring so the voltage drop does not exceed the minimum rated voltage of the
notification appliance used as the last device on the circuit.
• For zone coded applications, refer to the UZC-256 Universal Zone Coder manual.
• The ICM-4RK is California Code programmable (microprocessor P/N 34077 Rev. B or
higher). To program for California Code, cut diode D35 as shown in Figure 27. (See appendix
section of the Programming Manual for more detail.)
ICM-4RK/ICE-4 Jumpers
APS-6R #1
APS-6R #2
J6
J5
JP1
JP2
ICM-4RK
J6
J5
Two circuits that
share 3 A of one
AVPS-24 (#1)
Two circuits that
share 3 A of one
AVPS-24 (#2)
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