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Calculo Bateria

The document outlines the power requirements for the Notifier NFS2-3030 Fire Alarm Control Panel at VM20, detailing the current needs for both standby and alarm conditions. It specifies a primary standby load of 1.56 Amps and a primary alarm load of 3.27 Amps, with secondary load requirements calculated at 49.28 Amp Hours. Additionally, it discusses battery selection, confirming that the chosen 55 Amp Hour batteries meet the necessary specifications and are compatible with the power supply.

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dante
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9 views2 pages

Calculo Bateria

The document outlines the power requirements for the Notifier NFS2-3030 Fire Alarm Control Panel at VM20, detailing the current needs for both standby and alarm conditions. It specifies a primary standby load of 1.56 Amps and a primary alarm load of 3.27 Amps, with secondary load requirements calculated at 49.28 Amp Hours. Additionally, it discusses battery selection, confirming that the chosen 55 Amp Hour batteries meet the necessary specifications and are compatible with the power supply.

Uploaded by

dante
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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System Power Requirements

Notifier NFS2-3030 Fire Alarm Control Panel

Protected Premises: VM20 Date: 27--07-2022


Address: Vicuña Mackenna 20
City: Providencia State: Zip:

Prepared By: IENLACE SPA Phone:


Adrdress: Email:
City: State: Zip:

AC Branch Current Requirements 2,50 AMPS @ 220/240 VAC


Current required by source to power the fire alarm system.
Primary Standby Load 1,56 Amps
Current load on the primary power supply during
non-alarm
conditions.
Primary Alarm Load 3,27 Amps
Current load on the primary power supply during
alarm
conditions.
Secondary Load Requirements 49,28
Amp Hours
Total Secondary Load from the calculation table below.

Current Draw Time (hours) Total (AH)


Secondary Standby Load x Required Standby Time
1,699 A 24 hours 40,78
Secondary Alarm Load x Required Alarm Time
3,400 A 0,084 hours 0,29
Total Secondary Load 41,07
Derating factor x 1,2
Secondary Load Requirements 49,28 AH

Battery Selection 55 Amp Hours


Select batteries from the list below. 55 AH BAT-12550 Battery
(12 volt)
Two
Four (two 12VDC sets in parallel)
Battery Distribution Chart
Shows amp-hour distribution of your selections.
Secondary Alarm Load
1%
Spare Battery Capacity
Spare Battery Capacity 14%
Secondary Standby Load
Secondary Alarm Load
Secondary Standby Load 85%

SECONDARY ALARM
LOAD; 1%
SECONDARY STANBY
1
LOAD; 47%
SPARE BATTTERY
CAPACITY; 8%

0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50%

Comments
1. Battery size exceeds FACP capacity. BB-55 or other external battery box
2. Selected battery size meets secondary load requirements.
3. The selected batteries (55AH) are within the charger range of this power supply (26-200AH).
Spare Battery Capacity 7,57 Battery Selection (AH) - Secondary Load Requirements (AH)
Secondary Standby Load 47,09 Secondary Standby Load (AH) * Derating Factor
Secondary Alarm Load 0,34 Secondary Alarm Load (AH) * Derating Factor

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