NAPCO Gemini C-Series Control Panel Installation Instructions--Volume 3
Page 16 Installation Instructions, Volume 3
COMMERCIAL STANDBY CURRENT CALCULATION
WORKSHEETS
Most installations can be configured without using additional power supplies, however larger systems may require
them. In large systems, the current charts must be used to determine if the design is possible and how many addi-
tional power supplies are required.
As the GEMC-FW-SLC, GEMC-BSLC and the GEMC-F8ZCPIM can only derive their power from the motherboard,
additional power supplies cannot be used to increase the capability of these circuits. Therefore, the NAPCO Com-
mercial Standby Current Calculation Worksheet(s) must first be completed to determine if the system design is
possible.
These Worksheets have been placed into a single Microsoft
®
Excel file, available online at the NAPCO website:
http://www.napcosecurity.com/
Once at the NAPCO website, click the link "Dealer support docs" and follow the links to find and download the Excel
file to your local computer.
This Excel file contains all of the calculation worksheets that may be required by the AHJ ("authority having jurisdic-
tion") for each installation NAPCO Commercial (GEMC) C- Series configuration type, namely:
• GEMC-COMBO with GEMC-BM-PS
(Use to calculate standby current draw of the Fire section of GEMC-Combo control panel).
• GEMC-BM/PS (BURG STANDBY ONLY)
(Use to calculate standby current draw of burglary devices powered through the GEMC-BM/PS Burglary Module).
• GEMC-COMBO with GEMC-BM
• GEMC Fire Only
• GEMC Burg Only
When completed, these Worksheets can easily be printed and presented to the AHJ to conform with all applicable
codes.
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