Installation Instructions
Page 6
... System Current Draw ...38 6.3.1: Overview...38 6.3.2: How to Calculate System Current Draw 39 6.4: Calculating the Battery Size...40 6.4.1: NFPA Battery Requirements ...41 6.4.2: Selecting and Locating Batteries ...41 Appendix A: Wire Requirements 42 A.1: HPF24S Device Compatibility...43 A.1.1: System Sensor - 24VDC ...43 System Sensor SpectrAlert Advance ...43 System Sensor SpectrAlert Advance Speakers 44 A.1.2: Gentex - ...
... System Current Draw ...38 6.3.1: Overview...38 6.3.2: How to Calculate System Current Draw 39 6.4: Calculating the Battery Size...40 6.4.1: NFPA Battery Requirements ...41 6.4.2: Selecting and Locating Batteries ...41 Appendix A: Wire Requirements 42 A.1: HPF24S Device Compatibility...43 A.1.1: System Sensor - 24VDC ...43 System Sensor SpectrAlert Advance ...43 System Sensor SpectrAlert Advance Speakers 44 A.1.2: Gentex - ...
Installation Instructions
Page 38
...run continuously, without any disconnect devices, from the fire alarm branch circuit. To calculate the fire alarm load on the power supply, use Calculation Column 2 in Table 6.3 on page 40. The secondary power source (batteries) must be able to power the system during a fire alarm condition. The..., dedicated AC branch circuit, which must connect to the line side of the main power feed of batteries required to operate the system 2. To calculate the non-fire alarm load on page 40. When calculating current draw and the battery size, note the following : 1. P/N 52751:D3 5/11/2010
...run continuously, without any disconnect devices, from the fire alarm branch circuit. To calculate the fire alarm load on the power supply, use Calculation Column 2 in Table 6.3 on page 40. The secondary power source (batteries) must be able to power the system during a fire alarm condition. The..., dedicated AC branch circuit, which must connect to the line side of the main power feed of batteries required to operate the system 2. To calculate the non-fire alarm load on page 40. When calculating current draw and the battery size, note the following : 1. P/N 52751:D3 5/11/2010
Installation Instructions
Page 39
.... 5. Sum the total current for compatible devices and their current draw. 3. Calculating the System Current Draw Power Supply Requirements • Secondary refers to the power supply's backup batteries. • All currents are the types of AC power HPF24S Series Power Supplies... - Following are given in all three columns. 2. Calculation Column 1 - To convert... Refer to the Device Compatibility Document for...
.... 5. Sum the total current for compatible devices and their current draw. 3. Calculating the System Current Draw Power Supply Requirements • Secondary refers to the power supply's backup batteries. • All currents are the types of AC power HPF24S Series Power Supplies... - Following are given in all three columns. 2. Calculation Column 1 - To convert... Refer to the Device Compatibility Document for...
Installation Instructions
Page 40
... Primary Non-Alarm = for totals Primary Alarm = Secondary Alarm = Table 6.3 System Current Draw Calculations 6.4 Calculating the Battery Size Use Table 6.4 to calculate the proper battery size (in AH). 40 HPF24S Series Power Supplies - When finished, copy the totals from Calculation Column 2 and Calculation Column 3 to "NFPA Battery Requirements" on page 41. 3. Enter the totals from TB4 Terminals 9 & 10...
... Primary Non-Alarm = for totals Primary Alarm = Secondary Alarm = Table 6.3 System Current Draw Calculations 6.4 Calculating the Battery Size Use Table 6.4 to calculate the proper battery size (in AH). 40 HPF24S Series Power Supplies - When finished, copy the totals from Calculation Column 2 and Calculation Column 3 to "NFPA Battery Requirements" on page 41. 3. Enter the totals from TB4 Terminals 9 & 10...
Installation Instructions
Page 41
..., Total Ampere Hours Required = AH Table 6.4 Total Secondary Power Requirements at 24 VDC * Multiply by 5 minutes in alarm 6.4.2 Selecting and Locating Batteries Select batteries that meet or exceed the total ampere hours calculated in the 7 AH to 7 AH. HPF24S Series Power Supplies - Secondary Standby Load Required Standby Time (total from Table 6.3 (24 or...
..., Total Ampere Hours Required = AH Table 6.4 Total Secondary Power Requirements at 24 VDC * Multiply by 5 minutes in alarm 6.4.2 Selecting and Locating Batteries Select batteries that meet or exceed the total ampere hours calculated in the 7 AH to 7 AH. HPF24S Series Power Supplies - Secondary Standby Load Required Standby Time (total from Table 6.3 (24 or...