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SL150 Installation and Setup Guide

2–6

Installing the Backup Battery

If necessary, refer to Section 12: Final Power-Up for information regarding battery size to

use.

Do not attach the connector cable to the battery terminals until you are instructed to do so later in

the manual.

Install the backup battery as follows:

1. Place the 12-volt backup battery in the control cabinet.

2. Attach red and black wires on the battery connector cable as follows:

a. Red to the positive (

) battery terminal

on the control board

(see

Figure 24. SL150

Summary of Connections

for location, if necessary).

b. Black to the negative (

–

) battery terminal

on the control board.

Use a 4AH battery or larger for UL installations.

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. 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

Listed

Ideal

Model 61-035

, or equivalent, available at most electrical supply stores.

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