1 current draw worksheet for ms-25 ul 864, 1 current draw worksheet for ms-25 ul 864 -6 – Fire-Lite MS-25E Addressable Fire Control Panel User Manual
Page 26
Model MS-25 Installation and Operation Manual
3-6
53688
3.6.1.1 Current Draw Worksheet for MS-25 UL 864
Use Table 3-2 to determine amp-hour requirements during alarm/battery standby operation.
(Copy the page if additional space is required.) You can install up to 25 SLC devices and two
ANN-80 Remote Annunciator.
Table 3-2: Current Calculation Worksheet for SLC Devices
Device
# of Devices
Current per Device
Standby
Current
Alarm
Current
For each device use this formula: This column X This column = Current per number of devices.
Fire Panel (Current draw from
battery)
1
Standby: 135 mA
135 mA
Alarm: 220 mA
220 mA
Accessory Modules
ANN-80 Remote Annunicator
2
Standby: 37 mA mA
Alarm: 40 mA
mA
Addressable SLC Detectors
HFS-P
(25 max.
detectors or
modules in any
combination)
Standby: 0.27 mA
Alarm: 6.5 mA
mA
mA
HFS-PT
mA
mA
HFS-D
mA
mA
HFS-T
mA
mA
SD355
mA
mA
SD355T
mA
mA
D355PL
mA
mA
H355
mA
mA
Addressable SLC Modules
HFS-MM
(25 max.
detectors or
modules in any
combination)
Standby/Alarm: 0.375 mA
mA
mA
BG-12LX
Standby/Alarm: 0.375 mA
mA
mA
HFS-MR
Standby/Alarm: 0.255mA
mA
mA
MMF-301
Standby/Alarm: 0.375 mA
mA
mA
CRF-300
Standby/Alarm: 0.375 mA
mA
mA
I300
10 max.
Standby/Alarm: 0.45 mA
mA
mA
A
Total System Current
Auxiliary Devices
Refer to devices manual for current rating.
Alarm/Standby: mA
mA
mA
Alarm/Standby: mA
mA
mA
Alarm/Standby: mA
mA
mA
B
Auxiliary Devices Current
Notification Appliance Circuits
Refer to device manual for current rating.
Alarm: mA
mA
Alarm: mA
mA
Alarm: mA
mA
Alarm: mA
mA
C
Notification Appliances Current
mA
D
Total current ratings of all devices in system (line A + line B + C)
mA
mA
E
Total current ratings converted to amperes (line D x .001):
A
A
F
Number of standby hours (24 or 60 for NFPA 72, chapter 1, 1-5.2.5):
H
G
Multiply lines E and F.
Total standby AH
AH