Security Link SL150 Guide de dépannage télécharger pdf (Page 59)

12–1

SECTION 12

Final Power-Up

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In This Section

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Earth Ground Connections

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AC Power-Up

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Connecting the Backup Battery

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Battery Tests

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Earth Ground Connections

The designated earth ground terminal (25) must be terminated in a good earth ground for

the lightning transient protective devices in this product to be effective. It also must be

grounded to enable the telephone line fault indicator to work properly. The following are

examples of good earth grounds available at most installations:

Metal Cold Water Pipe: Use a noncorrosive metal strap (copper is recommended) firmly

secured to the pipe to which the ground lead is electrically connected and secured.

AC Power Outlet Ground: Available from 3-prong, 120VAC power outlets only. To test the

integrity of the ground terminal, use a 3-wire circuit tester with neon lamp indicators, such

as the UL Listed Ideal Model 61-035, or equivalent, available at most electrical supply stores.

AC Power-Up

To turn on AC power, perform the following steps:

1. Plug the 1321 or 4300 Transformer into a 24-hour, unswitched 120VAC outlet.

Following power-up, one of the following will be displayed: AC, dI (disabled); BUSY

STANDBY (alpha keypads); or NOT READY (fixed-word keypads). The green POWER

LED (or READY LED on some keypads) should light.

2. After approximately 1 minute, the initial displays will revert to SYSTEM READY for

alpha keypads, or READY…ENTER CODE for fixed-word keypads (if there are no

faulted zones). This 1-minute delay allows PIRs, etc. to stabilize.

To bypass this delay, press: # + 0.

Connecting the Backup Battery

In the event of an AC power loss, the control panel is supported by a backup, rechargeable

Sealed Lead Acid battery. The minimum battery size recommended is the No. 467 (12V,

4AH) battery. See paragraph titled, Calculating the Battery Size Needed that follows.

The battery is installed in the control cabinet.

The standby battery is automatically tested every 6 hours, beginning 6 hours after exiting

Programming mode. In addition, entry into the Test mode will cause a battery test to be

initiated.

Calculating the Battery Size Needed (based on total current drawn & standby time wanted)

Determine the total device current draw after filling in the Auxiliary Device Current Draw

Worksheet that follows. To this figure add the 100mA that is drawn by the control panel

itself. Then, to determine the battery size needed, use the following formula:

Total Current Drawn

x Number of hours standby wanted = Battery Ampere/Hours.

Convert mA figure to decimal Amps (see example that follows).

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Security Link SL150 Guide de dépannage Page 59

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