Zoeller 7020 Owner's Manual

NOTICE TO INSTALLER: Instructions must remain with installation.
Product information presented
here reflects conditions at time
of publication. Consult factory
regarding discrepancies or
inconsistencies.
*
* NOTE: Applicable to 50 Hz units only.
MODELS 7020 & 7021 PROGRESSING CAVITY GRINDER PUMPS
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.
This manual incorporates the installation, operation, mainten-
ance, and service instructions into one document to aid in the ownership of
a Zoeller submersible wastewater product. Please read and review this

Table of Contents

Safety Instructions ....................................................................... 1
Limited Warranty, Checklist and Application ..........................2-3
General Information ..................................................................... 4
Pump Wiring Instructions ............................................................ 4
Typical Outdoor Prepackaged System ....................................5-6
Installation Instructions ............................................................... 6
Operation Instructions ..............................................................6-7
Maintenance .................................................................................. 7
Service Checklist .......................................................................... 8
Owner's Information
Model Number: ______________ Date Code: _______________
 Simplex
 Packaged System
Job Name: ____________________________________________
Distributor: ____________________________________________
Date of Purchase: _________ Zoeller S/O No.: ______________
Contractor: ____________________________________________
Date of Installation: ____________________________________
System Readings During Start-up: Voltage _____ Amps ______
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
OWNER'S MANUAL
 Duplex
 Field Assembled System
© Copyright 2017 Zoeller
50/60Hz
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 and ZM2638
for replacement parts on 7020 and 7021 Series Progressing Cavity
Grinder Pumps respectively. Should further assistance be necessary
please call our Product Support Department at 1-800-928-PUMP (7867)
or +1-502-778-2731.

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
CAUTION
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.
REFER TO WARRANTY ON PAGE 2.
Co. All rights reserved.
®
1
Visit our web site:
zoellerengineered.com
**
** NOTE: Applicable to 60 Hz units only.
ZM2607_Ec
1117
Supersedes
0117