Mount The Enclosure & Components; Ul Std 294, Csa Std C22.2 (No. 205), Ce, Fcc 15 Subpart B - Keyscan CA250B Technical Instructions

Mount the Enclosure &
Components
The following sub-sections review mounting metal enclosures, control boards, communication boards, output
control boards and power supplies.
UL STD 294, CSA STD C22.2 (No. 205), CE, FCC 15
Subpart B
To be compliant with UL STD 294, CSA STD C22.2, CE, or FCC 15 Subpart B standards, please adhere to the
following practices:
 use the Keyscan metal enclosure with the CSA, CE, FCC label on the inside of the panel cover
 mount control boards with the standoffs supplied as instructed
 secure the enclosure cover with the 4 screws supplied
 connect the tamper switch to the TB3 terminal block on the control board
 use the Keyscan DPS-15 to power the control board and readers
 ensure 2 x 16V 40VA transformers or 2 x 16.5V 37VA transformers are connected to the Keyscan DPS-15
power supply
 locate the transformers within 30 feet (9.144 m) of the Keyscan DPS-15 power supply - do not mount the
transformers inside the ACU metal enclosure
 do not use the Keyscan DPS-15 power supply to power door strikes or auxiliary equipment
 use a standby battery with sufficient amp hours (minimum is 12V 7.0 Ah) connected to the Keyscan DPS-
15 power supply
 connect a proper ground wire from the ground lug inside the metal enclosure to a cold water pipe ground
(earth ground)
 connect the enclosure ground strap to the designated studs on the metal enclosure and the enclosure
cover
Any deviations or alterations will result in non-compliance of these standards.
Keyscan Inc. – Technical Guide (PC109x - 04.15) 15