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Danger!
Explosion and burn hazard!
Do not short terminals!
Notification appliance circuit:
NAC 1+
NAC 1-
+24 V while in alarm; ground while in standby.
Ground while in alarm; supervisory voltage while in standby.
Notification appliance circuit:
NAC 2+
NAC 2-
+24 V while in alarm; ground while in standby.
Ground while in alarm; supervisory voltage while in standby.
Batteries:
BAT -
BAT +
Requires two 12 V batteries in series, for a combined voltage of 24 V.
Charge current = 1.1 A, maximum
Use only indicating devices as listed on Technogram P/N. F01U010791.
Power supply connection
Use wire nuts to connect the primary side of the transformer in one of the following ways:
– black and white wires to an unswitched 120 V, 60 Hz, or
– yellow and white wires to an unswitched 240 V, 50 Hz circuit.
Danger!
Shock Risk!
Do to risk of shock and/or damage to the transformer a wire mut must be in place over the
unused black or yellow wire.
Connect the earth ground to the threaded ground stud on the left side of the enclosure.
5.2
Fire Alarm Control Panels Connection | en 33
Bosch Security System, Inc. Installation and Operation Manual 2012.08 | 04 | F01U008458