Fire-Lite MS-2 - Wiring Optional Modules; Class A Wiring for NACs and IDCs

,QVWDOODWLRQ ,QVWDOODWLRQRI2SWLRQDO0RGXOHV
 060631%
2.6.1.2 Wiring NACs and IDCs for Class A
:LUHWKH6W\OH=&ODVV$1RWLILFDWLRQ$SSOLDQFH&LUFXLWVXVLQJ7%RIWKH06
DQG7%RIWKH&$&PRGXOH:LUHWKH6W\OH'&ODVV$,QLWLDWLQJ'HYLFH
&LUFXLWVXVLQJ7%RIWKH06DQG7%RIWKH&$&0DNHFHUWDLQWRREVHUYH
SRODULW\ZKHQFRQQHFWLQJWKHGHYLFHVWRWKHFLUFXLWV7KH%DQG$WHUPLQDOVPXVW
FRPSULVHWKHIHHGDQGUHWXUQIRUWKHSRVLWLYHVLGHRIDGHYLFHDQGWKH%DQG$
WHUPLQDOVPXVWFRPSULVHWKHIHHGDQGUHWXUQIRUWKHQHJDWLYHVLGHRIDGHYLFH7R
FRQILJXUHDQ\RIWKH]RQHVIRU&ODVV%ZKHQWKH&$&LVLQVWDOOHGVLPSO\ZLUHWR
WKH%DQG%LQSXWRQWKH)$&3WHUPLQDOVDQGLQVWDOOWKH(QGRI/LQH5HVLVWRU
DIWHUWKHODVWGHYLFHRQWKHFLUFXLW'RQRWZLUHWRWKHFRUUHVSRQGLQJ$DQG$
WHUPLQDOVRQWKH&$&PRGXOH1RWHWKDW=RQH,'&RQWKH06DQG=RQH
,'&RQWKH06FDQEHFRQILJXUHGDVDFRPELQDWLRQZDWHUIORZVXSHUYLVRU\FLUFXLW
DVLOOXVWUDWHGLQWKHIROORZLQJILJXUH
TB3
TB2
B+ B- B+ B-
NAC 1 NAC 2
B+ B- B+ B-
ZONE 1 ZONE 2
B+ B- B+ B-
ZONE 3 ZONE 4
TB1
A+ A- A+ A-
NAC 1 NAC 2
CLASS A CLASS A
A+ A- A+ A-
ZONE 1 ZONE 2
CLASS A CLASS A
A+ A- A+ A-
ZONE 3 ZONE 4
CLASS A CLASS A
Figure 2.11 Wiring NACs and IDCs for Class A Operation
CAC-4 Class A Converter Module
MS-4
Circuit Board
Class B (Style B)
IDC - 4.7 K
Ω
½ watt ELR
resistor
P/N:71252
(supervised and
power-limited)
Dummy load all unused
circuits - 4.7 K
Ω
½ watt ELR resistor
(P/N: 71245)
Polarized
Bell
Circuit polarities
shown in alarm
condition
Class A (Style Z) NAC
(supervised and power-limited)
Class A
(Style D) IDC
(supervised and
power-limited)
Class A
(Style D) IDC
Combo Waterflow
& Supervisory
20KΩ, ½ watt ELR
resistor P/N:75477
(supervised and
power-limited)
1.2 K
Ω
½ watt
In-Line
resistor
P/N:75579
Polarized
Strobe
Polarized
Horn
Tamper
Tamper
Waterflow
Smoke
Smoke
Pull Station
Pull Station
Heat
Heat
IMPORTANT!
All devices must be
within 20 feet of the
Class A portion of
the circuit and
wiring must be in
conduit.
ms4comba.cdr