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© Copyright 2023 Zoeller

®

 Co. All rights reserved.

MAIL TO:

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

SHIP TO:

  3649 Cane Run Road • Louisville, KY  40211-1961

Tel: (502) 778-2731 •

 

1 (800) 928-PUMP 

Visit our website:

zoellerengineered.com

Product information presented 

here reflects conditions at time 

of  publication. Consult factory 

regarding discrepancies or 

inconsistencies.

SECTION: Z4.20.140

ZM1789

0123

Supersedes

1222

 

Congratulations on the purchase of the Zoeller 71 Series submersible 

grinder pump. Zoeller Grinder Pumps are designed for grinding and pumping 
sanitary sewage from submersible lift stations.  The pump is intended to grind 
and pump reasonable quantities of disposable diapers, sanitary napkins, paper 
towels, rubber materials, plastics, cigarette butts and other items normally 
found in sanitary sewage applications. 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 manufacturers’ recommendations.

OWNER’S MANUAL

71 HD SERIES SUBMERSIBLE GRINDER UNITS

FA M I LY   O W N E D

PROUD

AMERICAN

 

This manual incorporates the installation, operation, maintenance, and 

service instructions into one document to aid in the ownership of a Zoeller 
submersible wastewater product. Please read and review this manual before 
installing the product. Follow the steps and procedures listed on ZM1074 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. Reference ZM1788 for repair manual on 
71 Series Grinder Pumps. Should further assistance be necessary please 
call our Product Support Department at 1-800-928-PUMP (7867).

TABLE OF CONTENTS

Safety Instructions ........................................................................1
Limited Warranty ...........................................................................2
Preinstallation Information..........................................................3
Electrical Data ...............................................................................3
Typical Sewage Installation  ......................................................4
Pump Wiring Instructions ........................................................ 5-6
Operation.........................................................................................7
Maintenance ..................................................................................7
Service Checklist ..........................................................................8

SAFETY INSTRUCTIONS

TO AVOID SERIOUS OR FATAL PERSONAL INJURY OR MAJOR 

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.

CAUTION

OWNER’S INFORMATION

REFER TO WARRANTY ON PAGE 2.

Model Number: _______________ Date Code:  ______________
Serial Number:  Pump 1_____________  Pump 2_____________

 

 

Simplex

 

 

Panel P/N 

_____________________________

 

Duplex

 

 

Rail System P/N

 ________________________

Job Name: ____________________________________________
Distributor: ____________________________________________
Sales Order Number: ____________________________________
Contractor: ____________________________________________
Date of Installation: _____________________________________
System Readings During Operation: Voltage_____ Amps______ 

NOTICE TO INSTALLER:  

Instructions must remain with 

installation.

Содержание 71 HD Series

Страница 1: ...rence ZM1788 for repair manual on 71 Series Grinder Pumps Should further assistance be necessary please call our Product Support Department at 1 800 928 PUMP 7867 TABLE OF CONTENTS Safety Instructions 1 Limited Warranty 2 Preinstallation Information 3 Electrical Data 3 Typical Sewage Installation 4 Pump Wiring Instructions 5 6 Operation 7 Maintenance 7 Service Checklist 8 SAFETY INSTRUCTIONS TOAVO...

Страница 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 warranty so the above limitation may not apply to you Some states do not allow the exclusion or limitation...

Страница 3: ...rding installation and use These materials should be retained for future reference 1 Do not lift carry or hang pump by the electrical cables Damage to the electrical cables can cause shock burns or death 2 Make sure there is a properly grounded connection available All pumps are furnished with provisions for proper grounding to help protect you against the possibility of electrical shock 3 Make ce...

Страница 4: ...15 Basin must be clean and free of debris after installation and before operation ZEPA0521 All installations must comply with all applicable electrical and plumbing codes including but not limitedto NationalElectricalCode local regional and or state plumbing codes etc 1 Electrical wiring and protection must be in accordance with the NationalElectricalCode andanyotherapplicablestateandlocal electri...

Страница 5: ...or continuity complete circuit with a Volt OHM Meter Set the VOM to read resistance and connect the VOM leads to the sensor cord black and white wires The VOM should read approximately 330k Ohms Resistance readings significantly lower indicates an entry of moisture into the pump If VOM reading is open then a problem exists with moisture detection circuit 3 The green wire shall be connected to a gr...

Страница 6: ...TION CIRCUIT IN THE CONTROL LEADS MUST BE CONNECTED TO SEAL FAILURE MOISTURE SENSOR STARTER COIL CONNECTED IN SERIES WITH RECOMMENDED THERMAL SENSOR THERMAL T3 T2 T1 L3 L2 L1 POWER CABLE 3 PHASE MOTOR 3Ø VAC SENSOR CABLE BLACK WHITE ORANGE RED GREEN TYPICAL 3 PHASE WIRING DIAGRAM Refer to Sensor Cable and Control Panel sections on page 5 ZEPA0038E SINGLE PHASE INSTALLATION 7110 7111 ONLY All singl...

Страница 7: ...emain in the pit With the pump in the pit it should be operated for five minutes once every three months If the pit is to remain wet the pump should be removed and stored as noted above Panels The panel should have all openings sealed to prevent moisture and dust from entering the enclosure Prior to restarting system the panel should be inspected for presence of moisture and any loose connections ...

Страница 8: ...or defective Pit too small D Pump will not shut off Debris clogging cutter plate Debris under float switch Float travel obstructed Defective or damaged float switch Magnetic starter contacts shorted Air lock check vent hole E Pump operates but delivers little or no water Check for plugged cutter pump housing pipe or sticking check valve Vent hole clogged or not drilled Discharge head exceeds pumps...

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