20 ESL 1500 Series Fire Alarm Control Panel
Battery Capacity
Derating Coefficient
12 Ah
Maximum
Total Standby
Current
Conversion
Factor
Required # of
Hours in Standby
Total Alarm
Current
Conversion
Factor
Required # of
Minutes in Alarm
Conversion
Factor
+
=
Appendix B
ESL 1500 Series Standby Battery Power Worksheet
1500 Series System Standby Current Total Standby Alarm Current Total Alarm
Components Per Device Current Per Device Current
1500-BMB (Zone 1) 100 mA 200 mA
Indicating Circuit #1 5 mA 1 Amp = 1000 mA mA
Indicating Cicuit #2 5 mA 1 Amp = 1000 mA mA
Auxiliary System Power mA 1 Amp = 1000 mA mA
1500-ZEM (Zone 2) 8 mA mA 70 mA mA
1500-ZEM (Zone 3) 8 mA mA 70 mA mA
1500-ZEM (Zone 4) 8 mA mA 70 mA mA
1500-ZEM (Zone 5) 8 mA mA 70 mA mA
1500-LEM 1 mA 320 mA
1500-ZRM-5 0 mA 75 mA
1500-RA5A 0 mA mA 75 mA mA
mA mA
mA mA
mA mA
Total Current Requirements mA mA
mA X .001 Amp/mA X ___________ hours = _____________ Ah Standby AMP - Hours
mA X .001 Amp/mA X ____________ minutes X .0167 hour/min = _____________ Ah Alarm Amp - Hours
Total Standby Battery Power = ____________
Ah X 1.15 = ____________ Ah
Examples of 12 Ah Maximum Loading
24 hour standby 60 hour standby
15 minute alarm 15 minute alarm
Maximum standby current (mA) 416 167
Maximum alarm current (mA) 1500 1500
Maximum battery capacity (Ah) 12 12