NFW2-100 Fire Alarm Questions | Fire Alarm Resource Center

Which Notifier intelligent detectors and modules are compatible with the NFW2-100 SLC loop?

The NFW2-100 is compatible with FireWarden addressable devices, including intelligent detectors, control modules, and monitor modules (Page 17) [1]. While the...

Notifier NFW2-100Answered2mo ago144 views

What is the maximum SLC wiring distance and resistance limit for the NFW2-100?

The maximum SLC wiring distance is 10,000 feet (3,000 meters) with a maximum loop resistance of 40 ohms (Page 13, 173) [1]. This distance limit applies to the...

Notifier NFW2-100Answered2mo ago132 views

How do I program the built-in DACT on the NFW2-100 for central station communication?

To program the built-in DACT, enter the Master Programming Level and navigate to the Option Module Screen. You must enable the hardware, configure phone line...

Notifier NFW2-100Answered2mo ago106 views

How does the NFW2-100 ground fault detection work?

The NFW2-100 detects ground faults by monitoring for a zero impedance condition between the control panel and earth ground (Page 125) [1]. When a fault is...

Notifier NFW2-100Answered3mo ago82 views

What are the common trouble codes displayed on the NFW2-100 LCD, and what does each one indicate?

The NFW2-100 (FireWarden-100-2) displays text-based device troubles and numeric system codes. Common device troubles include SHORT or OPEN for circuit faults,...

Notifier NFW2-100Answered3mo ago61 views

How do I connect and configure an ACS annunciator on the NFW2-100?

To connect an ACS annunciator to the NFW2-100, wire the EIA-485 communication line to TB9 (terminals B+, A+, B-, and A-) and provide 24 VDC non-resettable...

Notifier NFW2-100Answered3mo ago47 views

What battery size does the NFW2-100 require, and how do I silence a battery trouble condition after replacement?

The NFW2-100 supports internal batteries ranging from 7 AH to 18 AH (Page 131) [14]. For larger power requirements, the system can support up to 75 AH using a...

Notifier NFW2-100Answered3mo ago68 views

How do I initiate and conduct a walk test on the NFW2-100 from the front panel keypad?

To initiate a walk test on the NFW2-100, navigate to Programming Screen 3 and press 2 for Walktest. This feature allows you to test the system without needing...

Notifier NFW2-100Answered3mo ago62 views

What are the steps to upload or download a program to the NFW2-100 using the VFWarden (PS-Tools) software?

To upload or download a program to the NFW2-100, the panel must be in Normal Mode with the communicator in a standby state (red phone line and Kissoff LEDs...

Notifier NFW2-100Answered3mo ago53 views

How do I configure the NFW2-100 NAC circuits from Class B to Class A wiring?

To configure the NFW2-100 NACs for Class A (Style Z) wiring, you must reorient the NACKEY card at jumper JP6. Note that switching to Class A reduces the...

Notifier NFW2-100Answered3mo ago57 views

Notifier NFW2-100 Questions