Any assistance would greatly be appreciated.
I was running my 3-phase hayward pump and heard a loud pop and suddenly the jets stopped. Sure enough the breaker was tripped, so I pulled out my voltmeter and traced the short back to the Hayward tristar variable speed pump controller.
In the picture you can see the two 120V hots with yellow covers. I disconnected them from the controller's terminals (the gray box on the right of the picture). When i test the two terminals on the controller they have continuity between them. I'm thinking there's the short inside the fried controller. However, my question though is that when I test the three lines (Black, Red, & blue (from left to right)) for the output voltage to the pump itself, there is also continuity between all three of these wires. Is this normal for a 3 phase pump? Do all these wires connect on the same winding terminal on the pump end, or is there likely a short that needs to be investigated at the pump's input terminals as well?
Please note that the input port is the one on the left at the bottom of the picture with the 2 black hot wires. The port to the right is the output to the pump where the black, red and blue wires connect to the pump itself. I have also included the manufacturer's wiring diagram.
Josh
I was running my 3-phase hayward pump and heard a loud pop and suddenly the jets stopped. Sure enough the breaker was tripped, so I pulled out my voltmeter and traced the short back to the Hayward tristar variable speed pump controller.
In the picture you can see the two 120V hots with yellow covers. I disconnected them from the controller's terminals (the gray box on the right of the picture). When i test the two terminals on the controller they have continuity between them. I'm thinking there's the short inside the fried controller. However, my question though is that when I test the three lines (Black, Red, & blue (from left to right)) for the output voltage to the pump itself, there is also continuity between all three of these wires. Is this normal for a 3 phase pump? Do all these wires connect on the same winding terminal on the pump end, or is there likely a short that needs to be investigated at the pump's input terminals as well?
Please note that the input port is the one on the left at the bottom of the picture with the 2 black hot wires. The port to the right is the output to the pump where the black, red and blue wires connect to the pump itself. I have also included the manufacturer's wiring diagram.
Josh
