You don't want to turn on the filter till its full, unless the instructions say other wise. I imagine you are supposed to use the prime button before you turn on the filter.
To start it by suction its simple, take the outlet tube disconnect it from the spray bar, give it a sook and you'll hear water flowing into the filter, once there is no more filling sound, turn it on.
To start it by suction its simple, take the outlet tube disconnect it from the spray bar, give it a sook and you'll hear water flowing into the filter, once there is no more filling sound, turn it on.