1
BATTERY BACKUP CALCULATION WORKSHEET
Tables for thisworksheet are in Section 3-5 of this manual.
STANDBY CURRENT CALCULATIONS
1. Select and record Standby Current for Model from Table 3-4.
2. Select Standby Current for Optional Modules from Table 3-5.
List them in Table 1.
Table 1
Standby Qty X
Module Qt
Current Standb
Current
3. Calculate total Standby Current from Table 1.
4. Add Standby Current from Step 1 and Step 3.
5. Multiply results of Step 3 by the number of hours of Standby required.
24 Hours - Multiply By 24
60 Hours - Multiply By 60
TOTAL STANDBY CURRENT IN AMP HOURS.
ALARM CURRENT CALCULATIONS
NOTE: DO NOT EXCEED THE WATTAGE VALUE OF THE AMPLIFIER.
Good engineering practices call for amplifier to operate at 85% Max wattage.
1. In Table 2 list the speaker and strobe requirements for each amplifier used.
Table 2
NOTFICATION SPEAKER STROBE "SPKR AMP"
APPLIANCE WATTAGE CURRENT CURRENT
SAA Only SALL Only