Redarc 40 amp DC to DC Charger issue
After about 15 seconds or so when I start the engine my shunt reads up to almost 49 amps and then the 60 amp input breaker pops. Whats going on here? Isn't the charger supposed to limit the output cur...
Forum Discussion
Teleman wrote:Any particular reason you would allow your dc to dc charger to be on-line when the alternator is off-line? Most use a battery isolator or trigger wire (found on most dc to dc chargers) to prevent the dc to dc charger from inadvertently discharging the starter/TV battery when the alternator is off-line for any reason.
. . . Input current to the Redarc gets as high as 54 amps with the ignition on without starting the motor . . .
Teleman wrote:Are you saying the output or input current climbs to 48-49a at idle?
Output current stays about 43 amps when driving and climbs to about 48-49 at idle.
If the output/charge current climbs to 48-49a at idle, I'd have to agree, it's definitely out-of-spec. How high did the input current go?
If you're referencing input current to the dc to dc charger, then 48-49a would seem perfectly normal with the alternator operating less efficiently at idle (higher voltage drop forces higher current).
