Pentair STA-RITE DSS3HG User Manual

Maintenance • Troubleshooting 11
Troubleshooting
Symptom Possible Cause(s) Corrective Action(s)
Motorwillnotrun
Disconnect switch is off Besureswitchison.
Fuse is blown or circuit breaker
tripped.
Replace fuse or reset circuit breaker.
Starting switch is defective. DISCONNECTPOWER;Replacestartingswitch.
Wires at motor are loose,
disconnected, or wired incorrectly.
Refertoinstructionsonwiring.DISCONNECTPOWER;checkandtightenallwiring.
Risk of electrical shock. Capacitor voltage may be hazardous. To
dischargecapacitor,holdinsulatedhandlescrewdriverBYTHEHANDLEandshort
capacitor terminals together. Do not touch metal screwdriver blade or capacitor
terminals. If in doubt, consult a qualified electrician.
Motorrunshotandoverloadkicks
off.
Motoriswiredincorrectly. Refer to instructions on wiring.
Voltageistoolow
Check with power company. Install heavier wiring if wire size is too small (See
Electrical/WiringChart).
Motorrunsbutnowaterisdelivered
in new installation:*
1. Improper priming 1. Re-prime according to instructions.
2. Air leaks 2. Check all connections on suction line, with soapy water or shaving cream.
3.Leakingfootvalveorcheck
valve
3. Replace foot valve or check valve.
Pump has lost prime in installation
already in use:
1. Air leaks 1. Check all connections on suction line and shaft seal.
2. Water level below suction pipe
inlet
2.Lowersuctionlineintowaterandre-prime.Ifrecedingwaterlevelinwellexceeds
20’(6.1M),adeepwellpumpisneeded.
Foot valve or strainer is plugged Clean foot valvye or strainer.
Impeller is plugged Clean impeller.
Check valve or foot valve is stuck
shut
Replace check valve or foot valve.
Pipes are frozen Thawpipes.Burypipesbelowfrostline.Heatpitorpumphouse.
Foot valve and/or strainer are
buried in sand or mud.
Raise foot valve and/or strainer above bottom of water source. Clean foot valve and
strainer.
Water level is too low for shallow
well setup to deliver water.
Pumpwillnotliftwatermorethan20’(6.1M).
Pump does not deliver water to full
capacity.
Water level in well is lower than
estimated.
Adeepwelljetwillbeneededifdepthtowaterinyourwellismorethan20’
(6.1m).
Steel piping (if used) is corroded
or limed, causing excess friction.
Replace with plastic pipe where possible, otherwise with new steel pipe.
Piping is too small in size Uselargerpiping.
Packed well point Backflushwellpointorsinknewpoint.
*Stoppump;thencheckprime
before looking for other causes.
Unscrewprimingplugandseeif
water is in priming hole.
8. Reinstall the sleeve on the bracket and the pump
suctionbodyinthesleeve.Besurethatyoudonot
pinch or damage the O-Ring. See Figure27.
9. Installfourcapscrews(Ref.No.18)throughthe
pump head and into the bracket. Tighten the
capscrews to 22ft.-lbs. torque.
10. Reinstallthedrainplugandwasher(Ref.Nos.17
and 16) in the suction body.
NOTICE: Do not disturb the recirculation valve.
11. Reinstall the suction and discharge piping and open
all valves. Check for leaks.
12. Prime the pump according to the instructions on
Page 8.
4321 0203
Recirculation Valve
Do not disturb!
Figure 27
Figure 26
4320 0203

Pentair STA-RITE DSS3HG Specifications

General

Brand	Pentair
Model	STA-RITE DSS3HG
Category	Water Pump
Language	English