Flex 620 System Operation - Revision 5, 11/22/01
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30
Main Power
Supply
The main power supply (p/n 30889) is a combination 8 amp system power supply
and battery charger. It provides the system with five supplies (a 24Vdc regulated,
24Vdc unregulated, 12Vdc, 5Vdc and the battery charger). The standard battery
charger is sized to maintain up to 60 AH batteries. The battery charger is designed
to operate during set intervals extending the battery life of the lead acid batteries.
When installing 5 - 20 AH batteries remove R17 (both resistors) from the battery
charger card (P/N 30843). When installing 21 - 40 AH batteries remove R1.
Installation
Diagram
Refer to drawings C-W856 Main Power Supply and D-W1142 Wiring, Minimum
System Flex 620 for installation and cable connections. When applicable, refer to
C-W857 Aux. Power Supply.
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Specifications
Input Voltage
120 VAC 50/60 Hz 3 amps Max. (Optional 220V AC
available)
Output Voltage
24 Volt DC regulated @ 4 Amps - system power, S+ S-
and A+ A-
{
XE "\"Smart Start\""
}
24 Volt DC filtered @ 4 Amps - for signal circuit power
5 Volt DC regulated - supply for logic circuits
12 Volt DC regulated @ 2 Amps
Operating Temperature 0 to +49 degrees C
Humidity
85% non-condensing
Interconnects
24 VAC
(2) secondary transformer connection
C+, C-
Connection (Red, Black) to Filter Capacitor
BO
(Brown-out Output)
Brown Out - connects to auxiliary power supply BI
(Brown-out Input) terminal
B+, B-
(Red, Black) connections to Battery Distribution Block
J4 connector
Not used on F620 System
J3 connector
Interconnects to J16 on bus driver module
J2 connector
Interconnects to J12 on bus driver module (5V, 12V, and
24V supervision)
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Summary of Contents for FLEXALARM 620
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