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© Copyright 2020 Zoeller

®

 Co. All rights reserved.

SECTION: Z4.10.300

ZM2608

0520

Supersedes

0918

NOTICE TO INSTALLER:  Instructions must remain with installation.

 

Congratulations on the purchase of a Zoeller submersible grinder 

pump. Since 1939 the name Zoeller has represented the standard for 
submersible dewatering and sewage pumps. The same high quality 
workmanship and easy maintenance design has been incorporated into 
this line of heavy-duty submersible grinder pumps. This Zoeller pump 
will provide years of trouble-free service when installed according to 
the manufacturer’s recommendations.
 

This manual incorporates the installation, operation, maintenance, 

and service instructions into one document to aid in the ownership of 

Model Number: ______________ 

 Date Code: _______________

 

Automatic

  

 

Nonautomatic 

 

Packaged System

 

 

Field Assembled System

 

Job Name: ____________________________________________

Distributor: ____________________________________________

Date of Purchase: _________  Zoeller S/O No.: ______________

Contractor: ____________________________________________

Date of Installation: ____________________________________

System Readings During Start-up:   Voltage _____ Amps ______ 

OWNER’S MANUAL

MODELS 7008, 7009, 7010 SUBMERSIBLE GRINDER UNITS

a Zoeller submersible wastewater product. Please read and review 
this manual before installing the product. Follow the steps in this 
manual for a proper start-up. Many items contained within, when 
followed correctly, will not only ensure a long and problem-free life 
for the pump, but also save time and money during installation. For 
replacement parts lists, please reference ZM2994 for 7008 series, 
ZM2996  for 7009 series, and ZM2633 for 7010 series.  Should further 
assistance be necessary please call our Product Support Department 
at 1-800-928-PUMP (7867).

Owner’s Information

Table of Contents

Safety Instructions .......................................................................... 1
Limited Warranty ............................................................................. 2
Preinstallation Checklist ................................................................. 3
General Information ......................................................................... 4
Pump Wiring Instructions ............................................................... 5
Typical Indoor Prepackaged System .............................................. 6
Indoor Prepackaged Installation Instructions ................................ 7
Typical Outdoor Prepackaged System ............................................ 8
Outdoor Prepackaged Installation Instructions ............................. 9
Operation ........................................................................................ 10
Cutter Maintenance ....................................................................... 11
Service Checklist ........................................................................... 12

Safety Instructions

TO AVOID SERIOUS OR FATAL PERSONAL INJURY OR MA-

JOR PROPERTY DAMAGE, READ AND FOLLOW ALL SAFETY  

INSTRUCTIONS IN THIS MANUAL AND ON THE PUMP.

THIS MANUAL IS INTENDED TO ASSIST IN THE INSTALLATION AND 
OPERATION OF THIS UNIT AND MUST BE KEPT WITH THE PUMP.

This is a 

SAFETY ALERT SYMBOL.

When you see this symbol on the pump or in the 

manual, look for one of the following signal words 

and be alert to the potential for personal injury or 

property damage.

Warns of hazards that 

WILL

 cause serious personal    

injury, death or major property damage.

Warns of hazards that 

CAN

 cause 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.

PUMPS WITH THE “UL” MARK AND PUMPS WITH THE “US” MARK ARE 
TESTED TO UL STANDARD UL778. CSA CERTIFIED PUMPS ARE CERTIFIED 
TO CSA STANDARD C22.2 NO. 108.

CAUTION

REFER TO WARRANTY ON PAGE 2.

P/N 151085

MAIL TO:

  P.O. BOX 16347 • Louisville, KY  40256-0347

SHIP TO:

  3649 Cane Run Road • Louisville, KY  40211-1961

(502) 778-2731 • 1 (800) 928-PUMP • 

FAX

 (502) 774-3624

Visit our website:

zoellerengineered.com

Product information presented 

here reflects conditions at time 

of  publication. Consult factory 

regarding discrepancies or 

inconsistencies.

Register your 

Zoeller Engineered Product 

on our website:

http://reg.zoellerengprod.com/

U.S. Patent No. 

8,562,287

Summary of Contents for 7008

Page 1: ...pportDepartment at 1 800 928 PUMP 7867 Owner s Information Table of Contents Safety Instructions 1 Limited Warranty 2 Preinstallation Checklist 3 General Information 4 Pump Wiring Instructions 5 Typical Indoor Prepackaged System 6 Indoor Prepackaged Installation Instructions 7 Typical Outdoor Prepackaged System 8 Outdoor Prepackaged Installation Instructions 9 Operation 10 Cutter Maintenance 11 Se...

Page 2: ...CIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES OR BREACH OF EXPRESSED OR IMPLIED WARRANTY AND ANY IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE AND OF MERCHANTABILITY SHALL BE LIMITED TO THE DURATION OF THE EXPRESSED WARRANTY Some states do not allow limitations on the duration of an implied war ranty so the above limitation may not apply to you Some states do not allowtheexclusionorlimitationofi...

Page 3: ...ed 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 orbuildupwhich may interfere with the ON or OFF positions of variable level float control switches Repairandservice otherthancutterassemblymaintenance shou...

Page 4: ...ertight seal Installation of electrical panels conduit and connections should be made by a qualified licensed electrician A UL Listed potting kit P N 10 2350 is available from Zoeller Company 4 When installing a pump with a check valve or a rail system with a check valve you must give the pump case time to fill to help prevent air lock when lowering the unit into the liquid The pump case has an ai...

Page 5: ...g Instructions Installation and checking of electrical circuits and hardware should be performed by a qualified licensed electrician 010415 AUTOMATIC WIRING DIAGRAM 010443 NONAUTOMATIC WIRING DIAGRAM 1 PH FIGURE 4 FIGURE 5 Models WD WH are fully automatic A float switch is included and factory wired in the pump circuit to provide automatic operation once the float switch is secured properly to the...

Page 6: ...CORD SEAL INSPECTION PLATE 3 GROMMET SEAL SWITCH CORD ALARM FLOAT BASIN COVER LIFTING BOLT 16 X 1 4 STEEL 5 16 304 STAINLESS STEEL PUMP PLATE PUMP POWER CORD SILENCE INPUT 1 POWER ON FIELD INSTALLED ALARM 4 RUBBER INLET CAST IRON ADAPTERS OFF 24 NOMINAL TO ALARM PANEL BALL VALVE FIELD INSTALLED GALVANIZED PIPE 1 1 4 X 32 GALVANIZED PIPE 1 1 4 X 12 GRINDER PUMP SINGLE PHASE 2HP 1 1 4 GROMMET SEAL F...

Page 7: ...ould be located in a very low trafficareawithin15 ofthepowerdisconnect Theholeshouldbeat 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 installation instructions included with the unit 6 The 4 ...

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: ...b inner diameter with the hole in the basin Attach the hub to the side of the basin using the sealant and hardware provided 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 awayfromtheunit Backfillandsubbaseshouldbe1 8 3 4 pea gravel or 1 8 1 2 crushed stone Re...

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 subme...

Page 11: ...rinding both disc and cutter to a 32 micro finish Do not attempt grinding in the field Send parts to a qualified machine shop or return to the factory for repair The disc cutter and shims are a matched set Keep parts together Measure disc before and after resurfacing with micrometer and record measurements 6 After resurfacing the disc and cutter must be flat within 0 001 If the disc has been surfa...

Page 12: ... 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 hot under operating conditions Allow 2 1 2 hours after shut down before servicing pump Condition A Pump will not start or run B Moto...

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