Specifications

Alto 818 Installation and Operation
2-14 P/N 66109074001 Rev. D
Table 2-5: Alarm-Saf Power Supply LED Indicators
LED Function
Green Indicates that AC in
p
ut
p
ower is
p
resent.
Red Indicates that 24 VDC out
p
ut is
p
resent
Yel low
Indicates a fault condition. Low batter
y
, no AC in
p
ut, blown batter
y
fuse
(
Fault si
g
nal out
p
ut will be
g
enerated
)
.
FUSES
The AC input fuse and the battery charging circuit fuse are shown in Figure 2-7. Both fuses are
10-amp, AGC-10 type fuses.
BACKUP BATTERIES
Optional 12 VDC, 6.5-amp, sealed, 16 AH, lead-acid batteries (WSE Part Number 42100189001)
are available and can be housed within the Alarm-Saf cabinet. Batteries above 16 AH must be
housed in separate enclosures. The power supply is capable of operating with batteries of up
to 38 AH.
Fuse AGC-10
Fuse AGC-10
Blu
Blu
Red
Brn
Grn
Red
Blk
Wht
FAULT Yel LED
Battery Fuse
AC Fuse
DC Output
Fault Output
+
+


To Standby
Batteries
To Output
Cable
AC Connection
Battery Connection
AC Grn LED
Red LED
+

Blu
Blu
Ground
Stud
AC Input
Grn
Wht
Blk
Figure 2-7: Model AS/PS5-BFS-24-UP Alarm Saf Power Supply/Battery Charger Wiring