Section 11. Final Power Up; Earth Ground Connections; Ac Power-Up; Connecting The Back-Up Battery - ADEMCO N7227V5 Installation Instructions Manual

Section 11. FINAL POWER UP

Earth Ground Connections

AC Power-Up

Connecting The Back-Up Battery

Calculating the Battery
Size Needed
In previous sections, you made temporary power connections for the purpose
of programming and testing. This section provides information about final
power-up procedures and battery size calculations.
The designated earth ground terminal (21) must be terminated in a good earth
ground for the lightning transient protective devices in this product to be
effective. See the INSTALLING THE CONTROL section earlier in this manual.
1. Plug the 1321/TF2 transformer into a 24-hour, uninterrupted 120VAC
outlet.
2. Following power-up, AC,
NOT READY (fixed-word keypads) will be displayed. Also the green
"READY" LED* on the keypad(s) should light.
*
Some keypads are equipped with a "POWER" LED in place of a "READY" LED.
After approximately 1 minute, the initial displays will revert to
DISARMED...READY TO ARM for Alpha keypads, or READY 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].
Note: If you do not get the "Ready" displays described above, refer to
"Trouble Conditions" in the SYSTEM OPERATION section, and also
to the TROUBLESHOOTING GUIDE section.
In the event of an AC power loss, the Control panel is supported by a back-up,
rechargeable gel cell battery. The minimum battery size recommended is the
No. 467 (12V, 4AH) battery. See "Calculating Battery Size Needed" below. The
battery is installed in the control cabinet.
The standby battery connection is automatically checked every 3 minutes
(CSFM requirement). In addition, entry into the test mode will cause a battery
test to be initiated. If there is no battery or a low battery, a low battery mes sage
is dis played and, if so programmed, will be reported to the central station.
Determine the total device current draw after filling in the AUXILIARY DEVICE
CURRENT DRAW WORKSHEET on the next page. 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).
Example:
If total auxiliary device current drawn is 450mA, add 100mA for the control
panel, for a total of 550mA (0.55 amps); if 24-hour standby is wanted, the
calculation will be:
0.55mA x 24 hours = 13.2 Ampere/Hour battery needed.
In this example, two 7 Amp/Hr batteries (connected in parallel) must be used.
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dI
(disabled), or System Busy (Alpha keypads) or