26 | SAMLEX AMERICA INC.
SECTION 6 |
Protections Monitoring
& Troubleshooting
protections and monitoring
When utility ac power is available, is Being passed through to the Load(s)
and Battery charger is charging the Batteries:
overload / Short circuit protection in ac Load(s)
15A breaker (4, fig 3.1) in the AC Input Circuit of the unit provides protection against
overload and short circuit in the AC loads when the unit is in Utility AC Power Pass
Through Mode.
note: This breaker carries combined AC input current for the battery Charger (around
4A when delivering full 15A charging current when the batteries are deeply discharged)
and the AC Loads.
overload / Short circuit protection in ac input circuit of Battery charger
5A, 250V fuse (5, fig 3.1) is provided in the AC Input Circuit of the battery Charger to
protect the battery charger against overload and short circuit.
protection against Ground fault in ac Loads
AC input to the unit is required to be fed from 15A/20A GFCI protected AC outlet of
Utility AC Power. In case of Ground fault in the AC load(s), the GfCI in the 15A/20A
GfCI protected AC outlet of Utility AC Power will trip.
table 6.2 protections & monitoring: utility ac power pass through mode
LeD Display
other Symptoms
possible cause(s)
remedy
Green LeD “Charger”
(7, fig 3.1) is off.
AC is available at the
output of 15A / 20A
GfCI protected outlet
feeding AC input to
the unit.
15A AC Input breaker
(4, fig 3.1) is tripped.
overload / short circuit
in the AC load(s).
reduce load / check
for shorting. reset the
Circuit breaker.
AC is NoT available at
the output of 15A / 20A
GfCI protected outlet of
Utility AC Power feed-
ing AC input to the unit
15A AC Input breaker
(4, fig 3.1) is NoT
tripped.
GfCI in the 15A/20A
GfCI protected outlet
of Utility AC Power
feeding the AC input to
the unit has tripped due
to Ground fault in AC
load(s.)
Check for Ground fault
in the AC load(s).
reset the GfCI.
5A fuse (5, fig 3.1) in
the battery Charger
Circuit is blown.
Internal overload / short
circuit in the battery
Charger Circuit.
Call Tech Support.
Summary of Contents for SAM-1500C-12
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