North Star 7287506 - User Manual

7313242 (Rev. V 5/22/18)
Manufactured and warranted by
North Star Water Treatment Systems
1890 Woodlane Drive
Woodbury, MN 55125
Installation and Operation Manual
Designed, Engineered &
Assembled in the U.S.A.
How to install, operate
and maintain your
Reverse Osmosis
Drinking Water System
Model NSRO42C4
If you have any questions or concerns when
installing, operating or maintaining your water
conditioner, call our toll free number:
1-800-972-0135
or visit www.northstarwater.com
When you call, please be prepared to provide
the model, date code and serial number of your
product, found on the rating decal, located
inside the cover.
Do not return unit to store
System tested and certified by NSF International
against NSF/ANSI Standards 42 & 58. See
performance data on pages 26 & 27 for details.

Summary

Warranty Information

One Year Limited Warranty Details

Details the one-year limited warranty for the RO system, excluding filter cartridges and membrane.

General Warranty Provisions and Limitations

Covers operating conditions, exclusions, and limitations for the warranty, including disclaimers.

Installation Planning and Preparation

Under Sink Installation Considerations

Guidance for planning the system's installation beneath a sink.

Remote Installation Considerations

Guidance for planning the system's installation in a remote interior location.

Space Requirements and Tools

Checking space needs and listing necessary tools for installation.

How Your RO System Works

Prefilter and RO Cartridge Function

Explains the role of the prefilter and the RO membrane in water purification.

Storage Tank and Postfilter Roles

Describes the function of the storage tank and the postfilter for purified water.

Faucet and Electronic Monitoring

Explains the RO faucet operation and the function of the electronic indicator lights.

Maintenance and Servicing

Prefilter and Postfilter Cartridge Care

Instructions for routine maintenance and replacement of prefilter and postfilter cartridges.

Reverse Osmosis Membrane Replacement

Step-by-step guide for replacing the RO membrane cartridge and related components.

Flow Control System Check

Information on checking and maintaining the flow control for optimal system performance.

Collet and O-Ring Service

Procedure for changing the collet and O-ring in the system's fittings.

Performance Data and Specifications

General Product Information

Overview of the undercounter system, its components, and indicator functions.

Feed Water Application Specifications

Details required feed water pressure, temperature, TDS, hardness, and pH for optimal performance.

Contaminant Reduction Performance Claims

Presents NSF certification data for the reduction of various contaminants in the water.

Arsenic Contaminant Facts

Information on arsenic in water, testing, and the system's effectiveness in its removal.

North Star 7287506 Specifications

General

Model Number	7287506
Brand	North Star
Filter Type	Sediment
Filter Life	6 months
Operating Temperature	40-100°F
Connections	1" NPT