B404BT Typical Wiring Diagrams:
3 APA451
2
1 (Optional)
3 APA451
2
1 (Optional)
3
4
RELEASING
DEVICE
3
4
RELEASING
DEVICE
2
1
24 VACrms/DC
2
5
11
14
13
12
24 VACrms/DC
EOL
1
6
5
11
14
13
12
SPECIFIED
BY PANEL
MANUFACTURER
6
7
8
9
10
7
8
9
10
FIRE
ALARM
CONTROL
PANEL
ALARM INITIATION LOOP
H0268-00
NOTE: ABOVE DIAGRAM SHOWS NFPA REQUIRED WIRING OF SUPERVISED
SYSTEMS. SCHEMATIC SHOWN BELOW FOR REFERENCE.
3 APA451
2 (Optional)
1
SUPERVISORY
RELAY
B404BT Base Terminals
No.
1
2
Function
Remote Annunciator (+)
Test Coil (+)
Not Used
EOL
Remote Annunciator (-)
CT POWER SOURCE
ROPRIATE TERMINALS
H DETECTOR. SEE
CATIONS FOR
NAL POWER SUPPLY
ATION.
CONTROL
PANEL
SUPERVISORY
RELAY
3
4
ALARM
RELAY
ALARM
RELAY
5
6
7
RTC (-)
N.O.
N.O.
N.O.
N.O.
C.
C.
N.O.
N.C.
C.
3
4
SPECIFIED
BY PANEL
MANUFACTURER
Supervisory Relay
Form A Contacts
2
14
1
24 VACrms/DC
8
9
10
11
12
13
14
FAN / DAMPER
SHUTDOWN
5
11
13
12
RING OF AUXILIARY
S, REFER TO
ACTURER'S
ATION INSTRUCTIONS
TACT MANUFACTURER.
6
Alarm Relay
Form A
Initiation Contacts
7
8
9
10
Alarm Relay
Form C
Auxiliary Contacts
HE SUPERVISORY RELAY NOW
ES A "FORM C" CONTACT FOR
MIZED APPLICATIONS.
ANDARD APPLICATIONS, ONLY
" CONTACT IS USED
POWER
RTC Ring Replacement of B404BT:
H0269-00
RTC Wiring Diagram:
B404B/B404BT
REMOTE
ANNUNCIATOR (+)
TEST COIL (+)
RTS451
1
2
3
4
FIELD
INSTALLED
JUMPER
1
2
3
4
5
TEST
COIL
ALARM
TEST
COIL
EOL RESISTOR
SPECIFIED BY
PANEL MANUFACTURER
H0272-00
RTC (–)
5
4-POSITION
TERMINAL
BLOCK
H0233-00
SYSTEMSENSOR [ SYSTEMSENSOR ADVANCED IDEAS. ]
