Before You Begin Installing
53722
3-7
3.6
Calculating Current Draw and Standby Battery
This section is for helping you determine the current draw and standby battery needs for your
installation.
3.6.1
Current Draw Worksheet Requirements
The following steps must be taken when determining SCSS-700 current draw and standby
battery requirements.
1. You will use the Current Draw Worksheet to determine current draw and standby battery
requirements. For the SCSS-700, the worst case current draw is listed for the panel,
addressable devices, and all SBUS expanders. Fill in the number of addressable devices
and expanders that will be used in the system and compute the current draw requirements
for alarm and standby. Record this information in the current draw worksheet on Line A.
2. Add up the current draw for all auxiliary devices and record in the table at Line B.
3. Add up all notification appliance loads and record in the table at Line C.
4. For notification appliances and auxiliary devices not mentioned in the manual, refer to the
device manual for the current ratings.
5. Make sure that the total alarm current you calculated, including current for the panel itself,
does not exceed 9.0 A. This is the maximum alarm current for the SCSS-700 control
panel.
If the current is above 9.0 A you will need to use a notification power expander(s) such as
the Model 5496 or the 5895XL intelligent power expander, to distribute the power loads
so that the SCSS-700 or the power expanders do not exceed their power rating. Refer to
the current draw worksheets provided with the 5496 or the 5895XL manuals so you do not
exceed their power requirements.
6. Alternatively, you may network additional SCSS-700s or SCSS-700NDs to get additional
power
7. Complete the remaining instructions in the appropriate current draw worksheet for deter-
mining battery size requirements.
Содержание SCSS-700
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Страница 31: ...Before You Begin Installing 53722 3 5 Figure 3 1 Wire Routing Example...
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Страница 130: ...Model SCSS 700 Installation Manual 8 8 53722 Figure 8 4 Example of Zone Events Mapped to output Groups and Patterns...
Страница 131: ...Programming Overview 53722 8 9 Figure 8 5 Example of Zone Events Mapped to Output Groups and Patterns on a Single Panel...
Страница 134: ...Model SCSS 700 Installation Manual 8 12 53722 Figure 8 9 Example of SCSS 700PK Software mapping Site Events...
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Страница 254: ...Cut Along the Dotted Line...
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