Fire Alarm Control Panels - Bosch Security Systems
Fire Alarm Control Panels - Bosch Security Systems Fire Alarm Control Panels - Bosch Security Systems
32 en | Connection Fire Alarm Control PanelsDX4020,B420 models,ITS-DX4020-GFigure 5.6: Keypad Connection (supervised, Class B, Style 4, 500 mA maximum)Figure 5.7: Backup Batteries1 Class B, Style Y supervised:2 Class A, Style Z BAT Battery3 Backup batteries BK blackEOL End of lineRD rediNotice!Unswitched unsupervised Auxiliary Power: 24 V, 1.0 A maximum (unfiltered).2012.08 | 04 | F01U008458 Installation and Operation Manual Bosch Security System, Inc.
Fire Alarm Control Panels Connection | en 33Danger!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, maximumUse only indicating devices as listed on Technogram P/N. F01U010791.5.2Power supply connectionUse 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 theunused black or yellow wire.Connect the earth ground to the threaded ground stud on the left side of the enclosure.Bosch Security System, Inc. Installation and Operation Manual 2012.08 | 04 | F01U008458
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32 en | Connection <strong>Fire</strong> <strong>Alarm</strong> <strong>Control</strong> <strong>Panels</strong>DX4020,B420 models,ITS-DX4020-GFigure 5.6: Keypad Connection (supervised, Class B, Style 4, 500 mA maximum)Figure 5.7: Backup Batteries1 Class B, Style Y supervised:2 Class A, Style Z BAT Battery3 Backup batteries BK blackEOL End of lineRD rediNotice!Unswitched unsupervised Auxiliary Power: 24 V, 1.0 A maximum (unfiltered).2012.08 | 04 | F01U008458 Installation and Operation Manual <strong>Bosch</strong> <strong>Security</strong> System, Inc.
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