User Guide

3
English (US)
2. Symbols used in this document
3. Introduction
Grundfos JP-PS jet pumps (JP designates Jet
Pump; PS designates Pressure Switch) are of
the utmost quality. Combined with proper
installation, your Grundfos JP-PS pump will give
you many years of reliable service.
To ensure the proper installation of the pump,
carefully read the complete manual before
attempting to install the pump.
Fig. 1 Grundfos JP-PS jet pumps
3.1 Delivery and handling
3.1.1 Delivery
Shipment inspection
Examine the pump carefully to make sure no
damage has occurred during shipment.
3.1.2 Handling
This Grundfos pump should remain in its
shipping carton until it is ready to be installed.
The carton is specially designed to protect it
from damage.
During unpacking and prior to installation, make
sure that the pump is not dropped or
mishandled.
3.2 Applications
The JP-PS line of self-priming centrifugal jet
pumps is designed for shallow well, deep well,
and convertible pump applications.
JP-PS pumps provide excellent suction capacity.
They are particularly suitable for domestic water
supply systems, light agricultural, and industrial
water transfer applications. Ideal for small
farming applications and gardens.
3.2.1 Pumped liquids
The Grundfos JP-PS line of jet pumps is
suitable for pumping clean, non-viscous,
non-aggressive, non-explosive liquids, free of
solid particles or fibers.
3.3 Features and benefits
3.3.1 Shallow well - cast iron
JP4-47ASA, JP4-54ASA, JP5-61ASA,
JP12-51ASA
Single-stage, shallow well self-priming
centrifugal pumps. Features:
• Rugged cast iron construction
• end suction, top discharge arrangement
• technopolymer impeller
• built-in ejector complete with clean-out port
to clear blockages from nozzle
• convenient priming plug for ease of priming
and air elimination
• ceramic-carbon bellows mechanical seal
ensures trouble-free operation
• high quality pressure switch.
3.3.2 Convertible - cast iron
(factory set up as shallow well)
JP5-61ASA, JP8-62ASA
Single stage, convertible, self-priming
centrifugal pumps. Features:
• Rugged cast iron construction
• end suction, top discharge arrangement
• detachable ejector assembly for deep well
applications
• technopolymer impeller
• convenient priming plug for ease of priming
and air elimination
• ceramic-carbon bellows mechanical seal
ensures trouble-free operation
• high quality pressure switch.
Warning
If these safety instructions are not
observed, it may result in personal
injury!
Caution
If these safety instructions are not
observed, it may result in
malfunction or damage to the
equipment!
Note
Notes or instructions that make the
job easier and ensure safe
operation.
Warning
The use of this product requires
experience with and knowledge of
the product. Persons with reduced
physical, sensory or mental
capabilities must not use this
product, unless they are under
supervision or have been
instructed in the use of the product
by a person responsible for their
safety.
Children must not use or play with
this product.
TM05 1394 2611
Caution
The pump should remain in the
packing until installation.
JP_JP-PS_US.book Page 3 Tuesday, July 19, 2011 8:07 PM