Operator`s manual

FA-265 Installation and Operator’s Manual
9
Select a battery with an Amp-Hr. rating that is equal to or larger than the calculated minimum Amp-Hr. battery
required.
10 Select ‘alarm’ time required (0.08 or 0.5):
Hr.
11 Alarm Amp-Hr. - multiply 7 × 10 = (Amps × Hr.): Amp-Hr.
12 Total Amp-Hr = standby Amp-Hr (9) + alarm Amp-Hr. (11): Amp-Hr.
13 Multiply the total Amp-Hr. by the safety margin: 1.20
14 Total battery Amp-Hr required to support the system: Amp-Hr.
Note: The maximum battery allowed is 26 Ah. Install batteries outside the panel box. Total “Standby”
current is not to exceed 0.5 Amperes.
Step Device
Current
per
device
(mA)
Numbe
r of
device
Total
Standby
Current
(mA)
Total
Alarm
Current
(mA)