Hochiki HCA-2 Installation And Operation Manual page 14

Table 3.3.2 Worst Case Battery Current Calculations
Devices Number of Devices
Multiply This Column
Main Panel
HCA Panel 1
Panel Relays
Alarm relay 1
Trouble relay 1 (trouble relay OFF
due to loss of AC)
Relay 1
Relay 2
Relay 3
Remote Annunciator
Number of (maximum 1)
Remote
Zones
Annunciators
Number of Zone 1
Detectors
Number of Zone 2
Detectors
Number of Zone 3
Detectors
Number of Zone 4
Detectors
Number of Zone 5
Detectors
Number of Zone 6
Detectors
Number of Zone 7
Detectors
Number of Zone 8
Detectors
Notification Appliances or Auxiliary Power Devices
Output 1
Output 2
Output 3
Output 4
Total Worst Case Standby Current
Total Worst Case Alarm Current
Number of Standby hours required (typically 24 hours)
Number of Alarm hours required (5 minutes is 0.0833 hours)
Number of Standby amp-hours (standby amps X standby hours)
Number of Alarm amp-hours (alarm amps X alarm hours)
Total battery amp hours required (add standby and alarm AHs)
HCA Series Installation Manual
Current per device
By This Column
Standby: 0.160A
Alarm: 0.290A
Standby: 0.0A
Alarm: 0.025A
Standby: 0.0A
Alarm: 0.0A
Standby: 0.0A
Alarm: 0.025A
Standby: 0.0A
Alarm: 0.025A
Standby: 0.0A
Alarm: 0.025A
Standby: 0.012A
Max Alarm: 0.030A
Standby:
Max Alarm: 0.040A
Standby:
Max Alarm: 0.040A
Standby:
Max Alarm: 0.040A
Standby:
Max Alarm: 0.040A
Standby:
Max Alarm: 0.040A
Standby:
Max Alarm: 0.040A
Standby:
Max Alarm: 0.040A
Standby:
Max Alarm: 0.040A
Standby:
Alarm:
Standby:
Alarm:
Standby:
Alarm:
Standby:
Alarm:
Page 14 of 58
Standby Alarm
Current Current
To Get Standby/Alarm
Currents
0.160A
0.290A
0.0A
0.025A
0.0A
0.0A
0.0A
0.0A
0.0A
A
H
AH
V2.15
A
H
AH
AH