ECS Series Manual —
P/N LS10262-001FK-E:A 3/3/2021
33
Installing the FIK-50W
Device Installation
3.
Connect the red wire from the battery harness to the positive (+) side of battery #1.
Figure 4.21 Battery Connections to the FIK-50W
4.3.9 Calculating Current Draw and Standby Battery
This section helps you determine the current draw and standby battery needs for your installation (18 ampere hours max. will fit in cabinet).
Complete the remaining instructions in Table 4.1.
Batteries larger than 18 AH will not fit in the main control cabinet, and must be housed in the RBB Accessory Battery Cabinet. Maximum of
33 Amp Hours per system.
Device
No. of
Devices
Current Per Device
Standby
Current
Alarm
Current
FIK-50W 25V
1
Standby: 85 mA
85 mA
Alarm: 525 mA
525 mA
FIK-50W 70.7V
1
Standby: 100 mA
100 mA
Alarm: 580 mA
580 mA
FIK-CE4
0 or 1
Standby: 20 mA
20mA
Alarm (All Channels): 180 mA
180 mA
A
Current Subtotals:
mA
mA
Notification Devices
Refer to device manual for number of devices and current ratings.
B
Current Subtotals:
mA
mA
C
Total current rating of all devices in system (Line B) X 0.001
A
A
D
Number of standby hours (24 or 60 for NFPA 72)
H
E
Multiply line C (standby current) and D:
Total standby AH
AH
F
Alarm sounding period in hours (For example, 5 minutes = 0.0833 hours):
H
G
Multiply line C (alarm current) and F:
Total alarm AH
AH
H
Add lines E and G (AH = Ampere Hours):
Total AH required
AH
Table 4.1 Current Draw FIK-50W and FIK-CE4
