Ampac ZoneSense Plus - Page 36

MAN 2326-13
36
Devices de-acvang when the system goes into alarm
Aircon Relays
20
2
20
40
Electric locks
100
4
100
400
Other
Idd=
Idd=
440
I Alarm ( Ia = Iq + Ida – Idd ) = mA
Ia = 107.9 + 720 – 440 = 387.9 rounded for calculaon 390
Criteria Example
Baery capacity at end of
baery life
=
( Iq x 24 ) + ( Ia x 0.5 )
Note: the gure of 24
above should be 96 if
Agent Release is used.
=
( Iq x 24 ) + ( Ia x 0.5 )
( rounded )
=
=
( 100mA x 24 ) + ( 390mA x 0.5 )
=
=
2400mA + 195mA = 2595
Note: 1,000ma = 1
Amp
=
Ah
=
2.595 Ah
New baery capacity
requirement
=
Ah x 1.25
=
2.595 x 1.25
=
Ah
=
3.24 Ah
Rounded up to nearest
available
Ah
3.2 Ah
=
=