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28 Paul W. Donoho, R.E.H.S. #6227 (530) 701-9972 d _ oO&M COMMERCIAL - Maintenance • • 4.Splice the float wires to the wires from the control panel following 3.Remove the inoperative pump and replace it with a new one of the the wiring schematics provided in Appendix F.Attach the common same type,Push the pump cable through the watertight card grip wire with the other commons using the waterproof wire nut.It may into the electrical splice box.Leave an adequate length of electrical be necessary to replace this wire nut with a new watertight wire cord coiled inside the riser to allow for easy removal of the pump. nut.Always use watertight wire nuts or heat shrink splice kits for all Tighten the cord grip by hand,not by tool;then test the tightness connections! of the cord grip by tugging on the cord.A cable is secure when the 5.Replace the float in the collar,using the same tether length,and cord grip is tight enough to prevent slippage.An adequate length of return the assembly to the pump vault. cord should be left within the splice box to allow for easy removal for future disconnecting and re-splicing. 6.Reconnect power and test the unit per the instructions provided in the"Start-up&Operation"section of this manual. 4.5plice the pump wires to the appropriate wires from the control panel following the wiring schematics provided in Appendix F.Always Removing&Replacing Inoperative Pumps use watertight wire nuts or heat shrink splice kits for all connections! IMPORTANT!Before doing any work on either the wiring to the 5.Reattach the discharge plumbing assembly and carefully lower the level contral floats and pump or inside the control panel,switch off pump into the flow inducer alongside the Biotuh&pump vault.Be the power to the system at the service entrance panel and set the careful not to lower the pump by the cable or to pinch the cable circuit breakers in the panel to their-OFF""positions. when lowering it into the flow inducer.Reconnect the union and open the ball valve, 1.Close the ball valve on the discharge plumbing assembly,disconnect Me union,and carefully remove the pump and attached plumbing 6.Reconnect power and test the unit per the instructions provided in from the tank.Disconnect the pump from the discharge plumbing the"Start-up&Operation"section of this manual. assembly. 2.Remove the stainless steel screws from the splice box lid,being careful not to drop the screws into the tank. If the splice box was submerged,or 4 there is a crack in the conduit,there may be water in the splice box.If this is the case,remove the water with a baster, sponge,or other appropriate method.Loosen the cord grip at the splice box and identify the appropriate splice for the pump.Cut out the splices and label the wires. AIM-OM-qTx-3,aev.�2.1,05115 •�Copyright Orencd Systems®,Inc�Property of Orenco Systems®,Inc.Do not reproduce or dlsVlhute without written au3horiz8fion from erencm 500-348-9843