A.5 Calculating the Battery Size. Notifier AFP-200

Power Supply Calculations

Calculating the Battery Size

Row Category

Calculation Column 1

Primary, Non-Fire Alarm Current

(amps)

Qty X [current draw]= total Qty

Calculation Column 2

Primary, Fire Alarm Current

(amps)

X [current draw]= total Qty

Calculation Column 3

Secondary, Non-Fire Alarm

Current (amps)

X [current draw]= total

SUBTOTALS FROM PREVIOUS PAGE

11

SLC Communication Loop

B501BH (Horn in base)

CMX-2 (relay/NAC)

FCM-1 (Supervised NAC)

DHX-501

DHX-502

FZM-1 (IDC) (SLC Current)

CPX-551

CPX-751

FSI-751

ISO-X

NBG-12LX (with FSM-101)

BGX-101L (with MMX-101)

FMM-1 (IDC)

FMM-101 (IDC)

MMX-1 (IDC)

MMX-2 (IDC)(SLC current)

MMX-101 (IDC)

IPX-751

FSP-751T

FSP-751

HPX-751

SDX-551

SDX-751

SDX-551TH

SDX-751TH

FRM-1

FDX-551 and FDX-551R

XP5-M

XP5-C (Relay)

XP5-C (NAC/Telephone)

FST-751

B524RB

B524BI

12 CHG-120

13 Optional modules

RTM-8 (Note 4)

4XTM

Municipal Box (Note 5)

Reverse Polarity Outputs used

14 Compatible Devices not listed above

(Note 3)

15 Sum each column for totals

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[ ] x [0.00100]=

X 0.00030

X 0.00030

X 0.00020

X 0.00020

X 0.00020

X 0.00020

X 0.00020

X 0.00027

X 0.00045

X 0.00030

X 0.00030

X 0.00030

X 0.00030

X 0.00030

X 0.00020

X 0.00030

X 0.00035

X 0.00027

X 0.00027

X 0.00029

X 0.00020

X 0.00029

X 0.00020

X 0.00029

X 0.00020

X 0.00020

X 0.001651

X 0.000840

X 0.001481

X 0.00027

X 0.00050

X 0.00050

x [0.01500]=

X 0.00030

X 0.00030

X 0.00020

X 0.00020

X 0.00020

X 0.00020

X 0.00020

X 0.00027

X 0.00045

X 0.00030

X 0.00030

X 0.00030

X 0.00030

X 0.00030

X 0.00020

X 0.00030

X 0.00035

X 0.00027

X 0.00027

X 0.00029

X 0.00020

X 0.00029

X 0.00020

X 0.00029

X 0.00020

X 0.00020

X 0.003000

X 0.000840

X 0.001481

X 0.00027

X 0.00050

X 0.00050

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[ ] x [ 0.0010]= x [ 0.0110]=

N/A x [ 0.0050]= [ ]

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[ ] x [ ]= x [ ]=

Primary non-alarm:

(1.0 A max.):

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[ ] x [ 0.160]= x [ 0.020]= x [ ]= x [ 0.0050]= [ ]

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[ ] x [ ]= x [ ]=

Primary alarm (5.0 A max): Copy to

Table 48 “Secondary Alarm Load”

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[ ] x [ 0.0010]= x [ 0.0110]=

N/A x [ 0.0050]= [ ]

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[ ] x [ ]= x [ ]=

Secondary alarm:

Copy to Table 48 “Secondary

Standby load”

Table 47 System Current Draw Calculations

(Part 2)

x [0.00100]=

X 0.00030

X 0.00030

X 0.00020

X 0.00020

X 0.00020

X 0.00020

X 0.00020

X 0.00027

X 0.00045

X 0.00030

X 0.00030

X 0.00030

X 0.00030

X 0.00030

X 0.00020

X 0.00030

X 0.00035

X 0.00027

X 0.00027

X 0.00029

X 0.00020

X 0.00029

X 0.00020

X 0.00029

X 0.00020

X 0.00020

X 0.001651

X 0.000840

X 0.001481

X 0.00027

X 0.00050

X 0.00050

x [0.060]=

A.5 Calculating the Battery Size

Use Table 48 to calculate the total Standby and Alarm load in ampere hours (AH). This total load determines the battery size (in AH), required to support the control panel under the loss of AC power. Complete Table 48 as follows:

1. Enter the totals from Table 47 Calculation Columns 2 and 3 where shown.

2. Enter the NFPA Standby and Alarm times (refer to “NFPA Battery Requirements” below.)

3. Calculate the ampere hours for Standby and Alarm; then, sum the Standby and

Alarm ampere hours.

4. Multiply the sum by the derating factor of 1.2 to get the proper battery size (in ampere hours).

5. Write the ampere-hour requirements on the Protected Premises label located inside

130

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AFP-200 PN 15511:H2 10/14/2002