FireWarden 100-2/E — P/N 52778:A 11/04/2005 29
Notification Appliance Circuits Installation
The following sections describe the configuration and wiring of Style Y and Style Z Notification
Appliance Circuits on the NFW2-100 main circuit board. The NACs are configured for Style Y
(Class B) from the factory. Refer to “Configuring NACs” on page 29 for information on changing
the NAC configuration to Style Z (Class A).
2.5.1 Configuring NACs
The Notification Appliance Circuits on the main circuit board are configured for Style Y (Class B)
or Style Z (Class A) by properly orienting the NACKEY card in JP6 which is located at the top of
the main circuit board near the NAC terminal blocks TB3 and TB4. The default configuration is
for Style Y (Class B). Refer to Figure 2.7 for information on installing the NACKEY card.
CLASS A
CLASS B
NACKEY -PCA
NACKEY -PCA
Figure 2.7 NAC Configuration Using NACKEY
NACKEY Card
JP6
Top edge of NFW2-100
Main Circuit Board
• • Style Z (Class A) - install NACKEY into JP6
with Class A pointing down toward circuit
board as illustrated to the right.
• • Style Y (Class B) - install NACKEY into JP6
with Class B pointing down toward circuit
board .
NACKEY must be inserted with text side facing
in toward center of main circuit board and key
into key-slot as illustrated to the right. It is keyed
to prevent incorrect insertion.
NACKEY card slot
JP6
TB3
TB4
92nackey.cdr
Key
Key-slot