Installation Of Optional Modules; 1: Cac-4 Class A Converter Module (Ms-4 Only); Installation - Fire-Lite MS-2E' MS-4E User Manual

Installation of Optional Modules

2.6 Installation of Optional Modules
Secure to Standoffs
+ - + -
Nonreset Reset
MS-2/MS-4 PN 51512:D 10/18/04
CAUTION: Remove all power (AC and DC) before installing or removing modules or
wiring.
2.6.1 CAC-4 Class A Converter Module (MS-4 only)

2.6.1.1 Installation

The CAC-4 Module can be used to convert the four Style B (Class B) Initiating
Device Circuits to Style D (Class A) and the two Style Y (Class B) Notification
Appliance Circuits to Style Z (Class A). The module plugs into connector J1 which
is located at the top right of the MS-4 main circuit board.
Install the three supplied standoffs in the holes on the main circuit board as
indicated in the following figure. Carefully align the connector on the CAC-4 with
J1 on the FACP main circuit board and press the module securely into place. Make
certain the pins are properly aligned to prevent bending or breaking of any
connector pins.
A+ A- A+ A- A+ A- A+
CLASS A CLASS A CLASS A CLASS A
NAC 1 NAC 2 ZONE 1 ZONE 2
CAC-4 Module
B+ B- B+ B- B+ B- B+ B-
NAC 1 NAC 2 ZONE 1 ZONE 2
MS-4 Main Circuit Board
Figure 2.10 CAC-4 Module Installation
A- A+ A- A+ A-
CLASS A CLASS A
ZONE 3 ZONE 4
Secure to Standoff
B+ B- B+ B- C TRBL NORM
ZONE 3 ZONE 4 TROUBLE
CLASS A
CONVERTER
J1
J1 Connector
Installation
C NC NO C NC NO
ALARM SUPV
JP3
25