1
© Copyright 2020 Zoeller
®
Co. All rights reserved.
SECTION: Z4.10.310
ZM2607
0620
Supersedes
0318
NOTICE TO INSTALLER: Instructions must remain with installation.
Model Number: ______________
Date Code: _______________
Simplex
Duplex
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 7020 & 7021 PROGRESSING CAVITY GRINDER PUMPS
This manual incorporates the installation, operation, main-
tenance, 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 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. Reference ZM2637 (model 7020) and ZM2638
(model 7021). Should further assistance be necessary please call
our Product Support Department at 1-800-928-PUMP (7867).
Owner’s Information
Congratulations on the purchase of a Zoeller submersible
progressing cavity 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
progressing cavity grinder pumps. This Zoeller pump will provide
years of trouble-free service when installed according to the
manufacturer’s recommendations.
Table of Contents
Safety Instructions .......................................................................... 1
Limited Warranty, Checklist and Application ............................. 2-3
General Information ......................................................................... 3
Pump Wiring Instructions ............................................................... 4
Typical Outdoor Prepackaged System ............................................ 5
Installation and Operation Instructions ......................................... 6
Maintenance ..................................................................................... 7
Service Checklist ............................................................................. 8
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/
Safety Instructions
REFER TO WARRANTY ON PAGE 2.
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.
Warns of electrical shock hazards that can cause serious
personal injury, death or major property damage.
Identifies any terminal which is intended for connection to
and external conductor for protection against electrical
shock in case of a fault, or the terminal of a protective
earth (ground) electrode.
Read operator's manual.
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
