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Typical Outdoor Grinder Pumping System Installation

All installations must comply with all applicable electrical and plumbing codes, including but not limited to the National 

Electrical Code, local, regional and/or state plumbing codes, etc.

FIGURE 3.

R

LOUISVILLE, KY

SILENCE

INPUT 1

POWER

4" PIPE SEAL

(FIELD INSTALLED)

2" PIPE SEAL

(FIELD INSTALLED)

24" MIN.

FIBERGLASS AFD

1.25-2" Z-RAIL

2" CAST IRON CHECK VALVE

3/4" GUIDE RAILS

2" SCH. 80 BALL VALVE

2" FLEX BOOT FITTING 

(LOCATION VARIES 

WITH BASIN DEPTH)

FLOAT TREE ASSEMBLY

2HP GRINDER PUMP

2" PVC SCH. 80 PLBG.

1/8" 302 STAINLESS STEEL 

LIFTING CABLE

ALARM

ON
OFF

SOLID FIBERGLASS COVER

HIGH WATER ALARM 

OR SIMPLEX 

CONTROL PANEL 

(FIELD INSTALLED)

ALARM FLOAT SWITCH MUST OPERATE OFF LOW 

VOLTAGE TO BE USED WITH QWIK BOX.

SK3110

FOAM TAPE

UL LISTED

EPOXY SEALER

  #10-2350 POTTING KIT

 APPLIES TO INSIDE AND

OUTSIDE INSTALLATIONS

CONDUIT

1

WIRES OR

PUMP CABLES

1/4" TO 1/2"

(25 mm)

(6 mm TO 12 mm)

SK1661

LOCATION VARIES WITH BASIN DEPTH

Summary of Contents for BA840

Page 1: ...ause serious personal injury death or major property damage Warns of hazards that CAN cause personal injury or property damage INDICATES SPECIAL INSTRUCTIONS WHICH ARE VERY IMPORTANT AND MUST BE FOLLOWED THOROUGHLY REVIEW ALL INSTRUCTIONS AND WARNINGS PRIOR TO PERFORMING ANY WORK ON THIS PUMP MAINTAIN ALL SAFETY DECALS PUMPSWITHTHE US MARKARETESTEDTOULSTANDARDUL778 CSA CERTIFIED PUMPS ARE CERTIFIE...

Page 2: ...tinuous service during unusual conditions Recommended Limits of Application 800 Series Grinder Pumps These recommended application limits are for pump stations pumping to a gravity main Low pressure pipe systems should be designed with a pump located at each house For applications where a lift station would handle between 15 and 60 homes consider the 71 Series grinder pump which is available throu...

Page 3: ... other pit peculiarities and are secured so that the grinder pump will shut off It is recommended to use rigid pipe and fittings and the pit be 24 in diameter for simplex systems and 36 in diameter for duplex systems or larger 4 Grinderinstallationsshouldbecheckedyearlyfordebrisand orbuild up which may interfere with the ON or OFF positions of variable level float control switches Repair and servi...

Page 4: ...tem installation 3 All electrical connections including pump to control box and power supply to control panels must comply with the National Electrical Code and applicable local codes Conduit and panel enclosure openings must have a gas and watertight seal Installation of electrical panels conduit and connections should be made by a qualified licensed electrician A UL Listed potting kit P N 10 235...

Page 5: ...RELAY START CAPACITOR GREEN RED WHITE BLACK BLUE ORANGE MOISTURE SENSOR TERMINALS WHITE BLACK 14 6 18 2 REVERSE MOTOR ROTATION BY INTERCHANGING ORANGE WIRE WITH RED WIRE L2 RUN CAPACITOR GROUND SCREW 2 1 5 COMPONENT LAYOUT PUMP START RELAY START CAPACITOR RUN CAPACITOR RED WHITE ORANGE BLACK MAIN START PROTECTOR BLACK WHITE L1 L2 T2 T1 230V AC OR 208V AC CONTACTOR BLUE 2 1 5 SINGLE PHASE MODELS 84...

Page 6: ...d Indoor Prepackaged System FIGURE 5 All installations must comply with all applicable electrical and plumbing codes including but not limited to the National Electrical Code local regional and or state plumbing codes etc SK1695 36 48 60 24 NOMINAL ...

Page 7: ...rly 5 Dig a hole for the basin The basin should be located in a very low traffic area within 15 of the power disconnect The hole should be at least8 largerindiameterthanthebasininordertoleave4 ofbackfill all the way around the perimeter A minimum of 4 of compacted subbase is also required Backfill and subbase should be 1 8 to 3 4 pea gravel or 1 8 to 1 2 crushed stone Also reference the basin inst...

Page 8: ...GLASS AFD 1 25 2 Z RAIL 2 CAST IRON CHECK VALVE 3 4 GUIDE RAILS 2 SCH 80 BALL VALVE 2 FLEX BOOT FITTING LOCATION VARIES WITH BASIN DEPTH FLOAT TREE ASSEMBLY 2HP GRINDER PUMP 2 PVC SCH 80 PLBG 1 8 302 STAINLESS STEEL LIFTING CABLE ALARM ON OFF SOLID FIBERGLASS COVER HIGH WATER ALARM OR SIMPLEX CONTROL PANEL FIELD INSTALLED ALARM FLOAT SWITCH MUST OPERATE OFF LOW VOLTAGE TO BE USED WITH QWIK BOX SK3...

Page 9: ...n the basin s side wall in a 5 hole drilled with a hole saw at a location lining up with the inlet pipe 6 The bottom of the excavation can now be properly backfilled compacted and leveled Set basin in hole Ensure the removable cover extends above the finished grade line and the grade slopes away from the unit Backfill and subbase should be 1 8 3 4 pea gravel or 1 8 1 2 crushed stone Reference basi...

Page 10: ... installed Floats positioned properly Discharge valves open 3 16 vent hole drilled in pipe between check valve and pump Once the above has been verified proceed with the following checks Pump power cables and control floats properly installed and voltage verified Conduit connections to panel and junction box are properly sealed After installing the pump into the containment area with adequate subm...

Page 11: ...nd remove the spacer shims located behind the star cutter 5 Remove the three cap screws holding the disc and remove disc from the pump 6 The disc and star cutter can be replaced with new service parts or resurfaced by grinding Resurfacing is accomplished by surface grindingbothdiscandstarcuttertoa32microfinish Donotattempt grinding in the field Send parts to a qualified machine shop or return to t...

Page 12: ...Service Checklist Electricalprecautions Beforeservicingagrinderpump alwaysshutoffthemainpowercircuit Makesureyouarewearing insulated protective sole shoes and not standing in water Under flooded conditions contact your local electric company or a qualified licensed electrician for disconnecting electrical service to the pump prior to removal Grinder pumps contain oil which becomes pressurized and ...

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