Table of Contents
Advertisement
fi g. 5 - 3 - Production Pump priming vent plug
14. Loosen the Transfer (Re-Pressurization) Pump priming vent plug with a 10mm wrench until there is constant stream
fl owing then tighten the Vent plug back in (fi g. 5 - 4).
15. Cycle all the valves on the Air Valve Testing page by opening and closing each valve (B, C, D, and E).
16. Verify the direction of rotation of the pump motors. The correct direction of rotation is shown by the arrow on the
black casing by the priming vent valve (fi g. 5 - 5-6). The motor direction should be counterclockwise when viewed
from the top.
NOTE: Verify that both Grundfos Transfer Pump and Production Pump motors are rotating correctly. This needs to be done by
the electrician prior to completing electrical installation.
NOTE: If the pump fan rotates clockwise, stop the pump and turn off the Main disconnect and the utility supply power.
fi g. 5 - 5 - Production Pump motor rotation direction
Priming Vent Plug
Production Pump
Priming Vent
Motor Rotation
Direction
fi g. 5 - 4 - Transfer Pump priming vent plug
fi g. 5 - 6 - Transfer Pump motor rotation direction
Re-Press Pump
Priming Vent
Motor Rotation
Direction
System Startup
|
25
Advertisement
Table of Contents
