Zoeller I840 Owner'S Manual Download Page 1

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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 840, 841 & 842 SUBMERSIBLE GRINDER UNITS

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 FM1308 for model 840, FM2445 for
model 842 and FM2180 for model 841 replacement parts. Should
further assistance be necessary please call our Technical Service
Department at 1-800-928-PUMP (7867).

Owner’s Information

Safety Instructions

TO AVOID SERIOUS OR FATAL PERSONAL INJURY OR MAJOR
P R O P E R T Y D A M A G E , R E A D A N D F O L L O W A L L S A F E T Y
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 “US” MARK ARE TESTED TO UL STANDARD UL778. CSA
CERTIFIED PUMPS ARE CERTIFIED TO CSA STANDARD C22.2 NO. 108.

CAUTION

Table of Contents

Safety Instructions .......................................................................................1
Limited Warranty and Application ...............................................................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

REFER TO WARRANTY ON PAGE 2.

FM2168

0320

Supersedes

0318

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

P/N 019557

Product information presented

here reflects conditions at time

of publication. Consult factory

regarding discrepancies or

inconsistencies.

MAIL TO

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