Power Soak 33755 PS-225 Owner's Manual - Manual (Page 35)

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If the system requires 3 phase power, the motor rotation can be tested by holding
down the start button for 10 seconds, with no water is in the system. This will
bump the motor. Verify the motor rotation matches the arrow on the pump
housing.
A wiring diagram is located in the system’s control panel enclosure. Specific part
numbers and part information can be obtained from the factory by calling 800-
444-9624.
Plumbing Requirements
Your unit requires the following plumbing connections:
3/4” (19mm) or 1/2” (12 mm) hot and cold water supply lines.
One waste water connection (minimum 1-½” 38mm).
A 3” / 75mm connection is recommenced for an in-floor main line.
Please note: The Rear Exit Drains supplied have a female 1-½” connection.