Pentair STA-RITE - Installation • Operation; Priming the Pump; Starting; Stopping

Installation • Operation 9
Priming the Pump
Installations with Flooded Suction.
• Openairvent(orpipeplug)inthehighesttapped
opening in pump case.
• Openinletisolationvalve,allowingwatertofillthe
pump completely and force all air out through vent.
• Rotateshaftslowlyallowinganyairtrappedin
impeller to escape.
• Closeventopeningwhenwaterwithoutairemerges.
Installations with Suction Lift and Foot Valve.
• Closeair-tightvalveondischarge.
• Removepipeplugfromhighestopeningon
pumpcase.
• Completelyfillpumpandsuctionpipingwithwater.
• Rotateshaftslowlyallowinganyairtrappedin
impeller to escape.
• Whenallhairhasbeenforcedoutofpump,replace
pipeplug.UsePTFEpipethreadsealanttapeonplug
threads and tighten as necessary to prevent leakage.
Installations with Suction Lift and Priming Pump.
• Closeair-tightvalveondischarge.
• Han-DeePrimeroperation:
 1. OpenHan-DeePrimerisolationvalve.
 2. WorkhandleofHan-Deeprimerupanddown
to evacuate air from the suction line. (refer to
primerowner’smanualformoreinformation.
 3. Whenwaterflowsfreelyfromprimer,closeHan-
Dee Primer isolation valve. Pump case should
now be filled with water.
• Immediatelystartpump.
• Slowlyopenbutterflyvalve(ifused)untildesireflow
is achieved.
(Discharge priming valve will open automatically.)
Starting:
Risk of burns.Neverrunpumpdry.Running
pump without water will overheat pump and damage
internal parts. Always make sure pump is primed prior to
start-up.
NOTICERefertomaintenancesectionifpumphas
packing for adjustment prior to start-up.
At initial start, prime pump as described in Priming The
Pump. Turn on power to pump. Slowly open discharge
valve until desired flow rate is achieved. If equipped,
placethe“Hand-Off-Auto”selectorswitchinthe“Auto”
position. The pump will be started automatically when
the pilot device signals the motorstarter.
Stopping:
Pump will stop automatically when the pilot device
de-energizesthemotorstarter.Turnthe“Hand-Off-Auto”
selectorswitchto“Off”positionifyouwanttostopthe
pump while it is running.
Operation
NOTICE Do not start or run pump dry or damage to the
mechanical seal will result.
• Wearsafetyglassesatalltimeswhenworking
onpumps.
• Donotallowpumporanysystemcomponentto
freeze. To do so will void warranty.
• Periodicallyinspectpumpandsystemcomponents.
Re-priming the Pump
Under normal conditions the pump and piping system
will maintain prime. Small leaks or infrequent use may
cause the system to lose prime. To re-prime the pump,
see Priming The Pump.
6550 0412
Suction to Water Source
Discharge
Priming Valve
Primer Isolation Valve
Han-Dee Primer