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TFC-25M (WITH OPTIONAL MONITOR)
INSTALLATION, OPERATION & SERVICE MANUAL
IMPORTANT NOTICES:
This reverse osmosis system contains replaceable treatment components critical for effective perform-
ance. It is the user's responsibility to, and the manufacturer strongly recommends that the user, period-
ically test the product water to verify the system is performing satisfactorily.
This system is acceptable for treatment of influent concentrations of no more than 27 mg/l nitrate and
3 mg/l nitrite in combination measured as N and is certified for nitrate/nitrite reduction only for water
supplies with a pressure of 40 psig (280 kPa) or greater.
This system shall only be used for arsenic reduction on chlorinated water supplies containing
detectable residual free chlorine at the system inlet. Water systems using an in-line chlorinator should
provide a one minute chlorine contact time before the RO system.
DO NOT USE WITH WATER THAT IS MICROBIOLOGICALLY UNSAFE OR OF
UNKNOWN QUALITY, WITHOUT ADEQUATE DISINFECTION BEFORE OR AFTER
THE SYSTEM. Systems certified for cyst reduction may be used on disinfected water that may con-
tain filterable cysts.
REVERSE OSMOSIS
DRINKING WATER SYSTEM
MODELS TFC-25 AND
Tested and Certified by NSF International against
ANSI/NSF Standard 58 for the reduction of the
claims specified on the Performance Data Sheet.
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Table of Contents
Related Manuals for Marlo Incorporated TFC-25
Summary of Contents for Marlo Incorporated TFC-25
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Page 1: Reverse Osmosis
REVERSE OSMOSIS DRINKING WATER SYSTEM MODELS TFC-25 AND TFC-25M (WITH OPTIONAL MONITOR) INSTALLATION, OPERATION & SERVICE MANUAL Tested and Certified by NSF International against ANSI/NSF Standard 58 for the reduction of the claims specified on the Performance Data Sheet. IMPORTANT NOTICES: This reverse osmosis system contains replaceable treatment components critical for effective perform- ance. -
Page 2: Table Of Contents
TABLE OF CONTENTS Page SECTION I. INTRODUCTION ....................1 SECTION II. SPECIFICATIONS ....................3 SECTION III. PREPARATION ....................4 A. Major System Components ................4 B. Tools Recommended for Installation............4 C. Site Selection For Major System Components..........4 SECTION IV. INSTALLATION STEPS ..................5 A. Faucet Installation ..................6 B. -
Page 3: Section I. Introduction
Minerals picked up in the environment by water. the water are measured as Total Dissolved Solids (TDS). In the Reverse Osmosis process, dissolved TYPICAL TFC-25 AND TFC-25M UNDER SINK INSTALLATION DIAGRAM DISPENSING FAUCET WITH AIR GAP COVER WITH OPTIONAL... - Page 4 OPTIONAL TFC-25 AND TFC-25M BASEMENT INSTALLATION DIAGRAM DISPENSING FAUCET NOTE: FOR BEST FLOW RATE, KEEP TUBING FROM R.O. MANIFOLD TO DISPENSING FAUCET AS SHORT AS PRODUCT POSSIBLE (3/8" Blue) HOLDING TANK SHUTOFF VALVE (Open Position) FLOOR TANK (3/8" Yellow) NOTE: FOR BEST FLOW RATE,...
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Page 5: Section Ii. Specifications
WATER QUALITY MONITOR –The optional Quality Monitor was designed to operate best Water Quality Monitor is integrated into the system while the system is making water, a false reading cover for instant monitoring at the touch of a but- may occur if tested when your R.O. drinking water ton. -
Page 6: Preparation
SECTION III. PREPARATION 32 " metal drill bit. 10. Phillips head and flat blade screwdrivers. A. Major System Components 11. ", 9 / 16 " and 5 / 8 " open end wrenches. The following components comprise the R.O. 12. 10" Crescent wrench with jaws taped to hold Drinking Water System. -
Page 7: Installation Steps
a high pressure drop. Remember, these tanks NOTE: For proper installation the Air Gap Faucet can weigh up to 30 pounds when full of water; a has a critical level line “CL” marked on its body firm, level area is required. and should be mounted so that the “CL”... -
Page 8: B. Feed Water Saddle Valve Installation
tighten. LONG REACH AIR GAP FAUCET B. Feed Water Saddle Valve Installation WITH 3/8" CONNECTOR Decide on location. Do NOT connect to a hot water feed line. If you are not sure of the supply, run the hot water and feel the supply piping. Water over 100˚F may cause permanent damage to the R.O. -
Page 9: Feed Water Saddle Valve Installation
• To pierce the tubing, turn the Valve Handle •Close the faucet and check the Feed Water fully clockwise (inward). A small amount of Saddle Valve for leaks. water may escape from the outlet until it is fully pierced. C. Drain Clamp Installation When you feel the Valve Handle firmly seated Choose the drain outlet location per Sec. -
Page 10: Drain Clamp Installation
NOTE: polytube install the Compression Nut, the The lowest point of the line should be Plastic Ferrule, and the Insert. Connect to the the point of connection to the Drain Clamp. Feed Water Saddle Valve. There should be no sag in the line as this may cause excessive noise as the reject water is 3. -
Page 11: Start Up
4. Locate the 3 / 8 " Yellow Tubing which is attached the Dispensing Faucet, close the Faucet. to the elbow on top of the manifold and run the • Let stand for 15 minutes. tubing along its course to the tank and trim to NOTE: During this time, check the system length. -
Page 12: Operation And Maintentance
months. Typical T.F.C. Membrane life expectancy SECTION V. OPERATION & MAINTENANCE is three years. Local conditions may dictate more frequent changes. NOTE: If the R.O. Membrane is to be replaced, see Sec. IV, F.1–3, page 9 for the proper proce- A. -
Page 13: Section Vi. Technical Data
• Remove the Activated Carbon Filter Housing EXAMPLE: Feed water is 500 ppm TDS and the and empty. Remove the wrapping and install product water is 75 ppm TDS. the Activated Carbon Post Filter. Firmly tight- Percent Rejection = 500 – 75 x 100% en the Housing hand tight only. -
Page 14: Net Pressure Differential
solved minerals in the water and can be approxi- EXAMPLE: The product water rate is 14 mated by 1 psig for each 100 ppm of TDS. gpd and the drain water rate is 56 gpd. Feed Rate = 14 gpd + 56 gpd = 70 gpd EXAMPLE: A feed water with 1500 ppm of TDS % Recovery = 14 gpd x 100% would exert a backward pressure of about 15 psig... -
Page 15: Water Production Rate Chart
D. WATER PRODUCTION RATE CHART Estimated Water Production Rate Feed Water in Gallons Per Day (GPD) and Liters Per Day (lpd) for Line Pressure of: 40 psig 50 psig 60 psig 70 psig 80 psig 90 psig 100 psig Temp (280 kPa) (340 kPa) (410 kPa) -
Page 16: Section Vii. Trouble Shooting Guide
SECTION VII. TROUBLE SHOOTING GUIDE Problem Possible Cause Solution Low quantity of Product Water Feed Water Saddle Valve is plugged or Open Valve or unclog. from Holding Tank closed. Clogged Sediment/Carbon Prefilter or Replace filters. Activated Carbon Post Filter. Low water pressure. Feed Water pressure must be above 40 psig. - Page 17 Problem Possible Cause Solution The Product Water and Drain Water Correct plumbing. High Total Dissolved Solids (TDS) lines are reversed. in the Product Water No drain flow, Drain Restrictor is Clear or replace Drain Restrictor. (continued) clogged. No drain flow, the drain orifice in Clear or replace Air Gap Faucet..
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Page 18: Exploded View And Parts List
EXPLODED VIEW & PARTS LIST 20A ..Water Quality Test Kit 23 ..Nitrate/Nitrite Test Kit PUSH TEST MADE IN USA... - Page 19 DRAWING NO. PART NO. DESCRIPTION 1 ...... S2009 ........Self Tapping Screw 2 ...... S2005 ........ASO Cap 3 ...... S2013 ........ASO Cap O–Ring 4 ...... S2011 ........ASO Diaphragm – Large 5 ...... S2007 ........ASO Piston 6 ...... S2006 ........ASO Piston Ring 7 ......
- Page 20 R.O. DRINKING WATER SYSTEM FIVE/ONE YEAR LIMITED WARRANTY What Does This Warranty Cover? This warranty covers any defects in materials and workmanship of the Marlo R.O. Drinking Water System when installed and operated within recommended parameters, with the exceptions stated below. How Long Does The Coverage Last? Marlo will warrant its R.O.
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