parallax power supply 7345ru parts PWM
My 7345 is not charging the coach batteries but does supply 12power to all accessories. The transformer, fan and relays work fine. Think i need a PWM circuit for it. Contacted PP tec support and th...
Forum Discussion
Cstoliker wrote:Chris Bryant wrote:
Did you replace the fuse panel? This unit doesn't have a separate charging circuit, and if it is putting out 13.6 volts, it is fine. There are no relays in it.
Pulling the two 30 amp polarity fuses and the voltage runs around 13.4. When the fuses are out back in the voltage drops to 12.4 (or lowere depending on battery state). Pulling a load and the voltage will increase. Turn on 2 or 3 lights and voltages will I crease to 13.2+\-
As far as I know the two polarity fuses connect the battery to the power supply so they would be the charger fuse?
. There are relays. They switch the internal 12v circuits between battery and converter power. Pointless IMO if the converter was charging the battery's as it should be. Over complicated seams to be the build concept with this unit.
