7100 Series Installation/Operating Manual —
P/N 9000-0447:J 08/28/08
29
Power
Basic System Module (BSM)
3.2 Power
3.2.1 AC Input
Connection of the 120/240 VAC, 50/60 Hz power source must be made per the requirements of the
National Electrical Code, NFPA 70, Article 760, the applicable NFPA requirements, and/or the
Authority Having Jurisdiction.
Guidelines to follow are:
•
Connections must be to a dedicated branch circuit.
•
Connections must be mechanically protected.
•
All means of disconnecting the circuit must be clearly marked:
“FIRE ALARM CIRCUIT CONTROL.
"
•
Accessible only to authorized personnel.
•
For 240 VAC operation, no conductor shall have a potential greater than 150 V to ground.
Table 3.2.1 lists the AC input and battery connections.l
3.2.2 Battery Connections
•
TB7-1 is positive. (See Table 3.2.1)
•
TB7-2 is negative. (See Table 3.2.1)
•
Observe polarity
For information on the Battery Calculations, refer to Table 3.2.1.
3.2.3 Auxiliary Power Output, Resettable/Non-Resettable
(Special Application)
•
TB4-1 Resettable, 24 VDC, max. 1.0 amp, FWR.
Suitable for use with projected beam smoke detectors SPB-24, or DH Series duct detectors.
•
TB4-2 Non-resettable, 24 VDC, max. 1.0 amp, FWR.
Suitable for use with the FireMark door holders.
•
TB4-3 Common negative
•
TB4-4 Not used
3.2.4 Earth Ground Connection
•
TB4-4 Earth Ground
!
WARNING: Always apply AC power first, then connect the batteries.
NOTE:
Total output is 1.0 amp max. combined.
