Honeywell HPF602ULADA Installation & Operation Manual page 12

151341-L8
Device
For each device use this formula:
HPF602ULADA Distributed Power
Module
(Current draw from battery)
HPF602ULADA Current
A
Auxiliary Devices
Auxiliary Device Current
B
Notification appliances
Notification Appliance Current
C
Total current ratings of all devices in system (line A + line B + line C)
D
Total current ratings converted to amperes (line D x .001):
E
Number of standby hours (24 or 60 for NFPA 72, Chapter 1, 1-5.2.5). 24 Hrs. for NBC,
F
section 3.2.7.8
Multiply lines E and F. Total standby AH
G
Alarm sounding period in hours. In accordance with NBC and ULC.
H
(For example, 5 minutes = .0833 hours, or for ULC installations 30 minutes = 0.5 hours.)
Multiply lines E and H.Total alarm AH
I
Add lines G and I.Total standby and alarm AH
J
Multiply line J by 1.20.
K
(20% extra insurance to meet desired performance) Total ampere-hours required
Table 4-2: Battery Calculation Worksheet
Number of
Devices
This column X This column
1 Standby:
Alarm:
Refer to device manual for current ratings.
Alarm/Standby
Alarm/Standby
Alarm/Standby
Alarm/Standby
Refer to device manual for current ratings.
Alarm:
Alarm:
Alarm:
Alarm:
4-8
Current per Device
=
75 mA
205 mA
mA
mA
mA
mA
mA
mA
mA
mA
Standby Alarm
Current Current
Current per number of devices.
75 mA
205 mA
75 mA 205 mA
mA
mA
mA
mA
mA
0 mA
0 mA
0 mA
0 mA
0 mA
mA
A
H
AH
AH
AH
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
A
H
AH