Page 1
System tested and certified by NSF International against NSF/ANSI Standards 42 & 58. See performance data on pages 26 & 27 for details. Manufactured and warranted by North Star Water Treatment Systems Designed, Engineered & 1890 Woodlane Drive Assembled in the U.S.A.
ONE YEAR LIMITED WARRANTY ON REVERSE OSMOSIS DRINKING WATER SYSTEM (Except filter cartridges and R.O. membrane) Warrantor: North Star Water Treatment Systems, 1890 Woodlane Drive, Woodbury, MN 55125 Warrantor guarantees, to the original owner, that the Reverse Osmosis Drinking Water System, when installed and main- tained in accordance with the instructions, will be free from defects in materials and workmanship for a period of one (1) year from the date of purchase.
Inspect Shipment Your Reverse Osmosis Drinking Water System is Keep the small parts in the parts bag until you are shipped complete in one carton. Remove all items ready to install them. from your shipping carton. NOTE: Codes in the state of Massachusetts require installation by a licensed plumber and do not per- Check all items against the packing list below.
Plan Your Installation PLAN YOUR INSTALLATION TOOLS NEEDED Read through the entire manual before beginning your installation. Follow all steps exactly. Reading this manual will also help you get all the benefits from your system. Your Reverse Osmosis Drinking Water System can be installed under a sink or in a remote location.
Page 6
Plan Your Installation All install parts included in package. Drain Adapter for Reverse Osmosis Waste Water Cold Water Supply Reverse COLD Osmosis Assembly Storage Tank Sink Drain P-Trap Shutoff Valve Typical Under Sink Installation FIG. 4 Outside Faucet Outside Faucet (Hard Water) (Hard Water) To Faucet...
Overview and Site Preparation OVERVIEW PREPARE SITE FOR INSTALLATION Read through the entire manual before beginning your 1. Before starting, close the hot and cold water shutoff installation. valves (See Figure 6). 2. Temporarily place tank and filter assembly into There are seven steps to installing your Drinking Water system.
Step A - Install Supply Water Fitting CHOOSE TYPE OF WATER FITTING TO INSTALL Check and comply with local plumbing codes as you plan, then install a cold water supply fitting. Refer to the Specifications page for supply water requirements. The fitting must provide a leak-tight connection to the RO 1/4"...
Step B - Install RO Drain Under Sink Under the Sink Installation INTRODUCTION A suitable drain point is needed for the drain water from Double Basin Sink Single Basin the Reverse Osmosis filter. You have two options: Sink • Install the Drain Adaptor included with your unit As shown in Figures 7-9, the drain adaptor is installed onto your sink’s drain pipe above the P-trap.
Page 10
Step B - Install RO Drain In Remote Location Outside Faucet (Hard Water) Outside Faucet BLUE Tubing (Hard Water) to Reverse Osmosis Faucet Soft, Cold Water Soft, Hot GREEN Tubing Soft water Water to Reverse to Reverse Osmosis System Shutoff Osmosis Valve System...
Step C - Install RO Filter Assembly INSTALL REVERSE OSMOSIS FILTER Hanger ASSEMBLY Washer (2) The Reverse Osmosis Filter Assembly is mounted on Screw (2) hanger washers. See Fig 12. The hanger washers allow you to lift the filter assembly from the washers without any hardware removal.
Page 12
Step E - Install RO Faucet SELECT LOCATION OF REVERSE OSMOSIS FAUCET MOUNTING HOLE You will need to select the location of the Reverse Osmosis Faucet. You have three options to choose from: • Use the existing sink top hole for the spray hose or soap dispenser (Must be 1-1/4”...
Step E: Install RO Faucet (cont.) INSTALL REVERSE OSMOSIS FAUCET 1. Locate and organize your RO faucet install parts. Refer to Fig. 15. 2. Snap the o-ring into the groove on the bottom of the ring and slide the monitor ring onto the faucet stud. The moni- tor ring LED wire must be routed through the sink or countertop hole and through the spacer, if used.
Step F - Connect Tubes HOW TO CUT AND CONNECT THE TUBES Push-in Fitting Foam Plug Your Reverse Osmosis system includes push-in fittings for quick tubing connection. Review the following instructions before connecting the tubes in the next step. Failure to follow these instructions may lead to future leaks.
Page 15
Step F - Connect Tubes (cont.) NOTE: Tubing lengths should allow for the removal of the assembly from the hanger washers for servicing. If tubing lengths are shortened for neater appearance, it may be necessary to keep the assembly on the hanger washers for service.
Step G - Sanitize, Test and Purge System SANITIZE THE SYSTEM Sanitizing is recommended immediately after installa- tion of the Reverse Osmosis system. It’s also recom- mended after servicing inner parts. It is important that the person installing or servicing the system have clean hands while handling inner parts of the system.
Page 17
Step G - Sanitize, Test and Purge System (cont.) PRESSURE TEST THE SYSTEM Reverse Osmosis NOTE: Complete the sanitizing procedures on the Kitchen Faucet preceding page before pressure testing. Faucet To pressure test the system, complete the following steps. 1. Open the water supply valve to the Reverse Osmosis system.
How Your RO Water System Works HOW YOUR REVERSE OSMOSIS SYSTEM WORKS Battery PWA Board Introduction: Your Reverse Osmosis (RO) Drinking Water System uses your household water pressure to force water through three filters. Minerals and impuri- ties are filtered out. Delicious tasting drinking water goes to the storage tank-ready for your use.
Page 19
How Your RO Water System Works PRODUCT WATER FAUCET Air Gap PRODUCT WATER Gravity Drain DRAIN WATER Drain Flow AUTOMATIC Check Control SHUTOFF Valve WATER GREEN BLUE PRODUCT PREFILTER POSTFILTER WATER STORAGE MEMBRANE YELLOW FIG. 27 Reverse Osmosis Water Flow Schematic Water Flow Description 1.
Maintenance PREFILTER / POSTFILTER MAINTENANCE NOTE: It is recommended to replace the battery, prefilter and postfilter cartridges at least every 6 Cover months of product water use. Replace more often if they begin to plug with sediment. The prefilter and postfilter are replaceable sediment cartridges with activated carbon in their composition.
Page 21
Maintenance FLOW CONTROL Flow Control The flow control is required for proper operation of the Insert Reverse Osmosis system. See Fig. 29. The flow control, located inside the push-in elbow fitting on the drain port of Push-in Elbow Fitting the system housing, keeps water flowing through the mem- brane at the required rate.
Troubleshooting Problem: Chlorine taste and/or odor in the RO product water. Cause: The level of chlorine in your water supply Correction: If the water supply contains more than 2.0 ppm of chlorine, addition- exceeds maximum limits, and has al filtering of the water supply to the Reverse Osmosis is needed. destroyed the Reverse Osmosis mem- Contact your local water supplier.
Page 23
Troubleshooting Problem: Water leaking from faucet airgap hole. Cause: Drain side of faucet airgap (3/8” black tub- Correction: Inspect and eliminate restriction or plug. Check that drain line is ing) plugged, restricted or incorrectly con- routed properly. Refer to installation instructions for proper drain nected to drain point.
Page 25
NOTE: Codes in the state of Massachusetts require installation by a licensed plumber and do not permit the use of saddle valves. To order replacement parts call toll free 1-800-972-0135. Manufactured and warranted by North Star Water Treatment Systems 1890 Woodlane Drive Woodbury, MN 55125...
≤1 NTU turbidity, 7.5 ± 0.5 pH, 25 ±1°C, and 1μS/cm con- ductivity. Maintenance Replacement filter prices will vary. Estimated costs of replacement filter elements (part number 7287506), or replacement membranes (part number 7287514), range from $39 to $59. Application Specifications for Feed Water Pressure ..........40-100 psig (2.8-7.0 kg/cm...
Page 27
Performance Data PERFORMANCE CLAIMS FOR NSRO42C4 NSF Required NSF Max. Per - Average Avg. / Max. Avg. / Min. Influent Challenge missible Product Substance Influent Effluent Percent Concentration Water Concen - (mg/L) (mg/L) Reduction (mg/L) tration (mg/L) Arsenic (pentavalent) 0.30 ±10% 0.010 0.300 0.002 / 0.005...
Page 28
Seller’s Address _______________________________________________________________________________ Seller’s Phone No. _____________________________________________________________________________ Model NSRO42C4 has been tested and certified by NSF Product: North Star Model NSRO42C4 International against NSF/ANSI Standard 42 for the North Star Water Treatment Systems reduction of chlorine, taste and odor, Standard 58 for...