Chapter 1: Installation
18 CDC4 Door Controller Installation and Programming Manual
The installer is responsible for identifying and specifying batteries within an
operating temperature range that measures up with the specific installation
environment; a minimum range of 0 to +40°C is recommended.
A fuse is required in the positive lead of each battery. Each fuse must be a
3AG/3AB (6x32 mm) 8A, 250 VAC, slow blow (time lag) fuse, compliant with UL
248.14. Suitable parts include Littelfuse 0313008.HXP, Bel Fuse 3SB 8-R, and
Schurter 8020.5020.
The installer (or user) is responsible for scheduling on-going battery system
checks as required by the applicable standards and codes to ensure user safety,
battery integrity and system performance; a 3 monthly interval is suggested.
The battery leads are designed to suit 4.75 mm Fast-On tabs. SLA batteries with
7 Ah and 12 Ah capacities are available with these tabs as standard from many
suppliers.
Higher capacity batteries will have different terminal types, necessitating the use
of adaptors or modifications to the leads. In these situations, sleeving or covers
should be added to cover exposed metal on the battery tabs or connections.
See also “Batteries” on page 24.
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