Current Draw Worksheet - Honeywell SILENT KNIGHT Farenhyt Series Installation And Operation Manual

Before You Begin Installing
2.6.2

Current Draw Worksheet

For each RPS-1000* in the installation, use this worksheet to determine current
requirements during alarm/battery standby operation. (Copy this page if additional
space is required.)
Device
For each device use this formula:
devices.
RPS-1000 Intelligent Power Module
(Current draw from battery)
Additional RPS-1000
(Daisy-chained to this module)
Addressable Devices
5815XL SLC Expander
RA-1000 or RA-100 Remote Fire
Alarm Annunciator
5824 Serial / Parallel Module
5865-4 LED Annunciator
(with reset and silence switches)
5865-3 LED Annunciator
5880 Generic LED Driver Module
A
**Auxiliary Devices
B
C
D Total current ratings of all devices in system (line A + line B + C)
E Total current ratings converted to amperes (line D x .001):
F Number of standby hours (24 or 60 for NFPA 72, chapter 1, 1-5.2.5):
G Multiply lines E and F.
H Alarm sounding period in hours. (For example, 5 minutes = .0833 hours)
I Multiply lines E and H.
J ***Add lines G and I.
*Use a separate worksheet for each RPS-1000.
Table 2-4: Current Draw Calculations
Number of
Current per Device
Devices
This column X
1* Standby:
Alarm:
(7 max.) Standby:
Alarm:
(381 max.) Standby:
Alarm:
(2 max.) Standby:
Alarm:
(8 max.) Standby:
Alarm:
(2 max.) Standby:
Alarm:
(8 max.) Standby:
Alarm:
Standby:
Alarm:
Standby:
Alarm:
Refer to devices manual for current rating.
Alarm/Standby:
Alarm/Standby:
Alarm/Standby:
Alarm/Standby:
Auxiliary Devices Current
Alarm:
Alarm:
Alarm:
Alarm:
Notification Appliances Current
Total ampere hours required
2-6
This column =
40 mA
160 mA
10 mA
10 mA
0.55 mA
0.55 mA
55 mA
55 mA
20 mA
25 mA
45 mA
45 mA
35 mA
145 mA
35 mA
145 mA
35 mA
200 mA
Total System Current
mA
mA
mA
mA
mA
mA
mA
mA
Total standby AH
Total alarm AH
151153
Standby
Alarm Current
Current
Current per number of
40 mA
160 mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA mA
mA mA
mA mA
mA mA
mA
mA
mA
mA
mA
mA mA
A
H
AH
AH
AH
A
H