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GE Merlin - page 1
GE Infrastructur e W ater and Pr ocess T echnologies Merlin™ Point of Use Drinking W ater System Installation and Maintenance Manual ...
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GE Merlin - page 2
2 SAFETY GUIDES Rev B SAFETY GUIDES Read and follow all steps and guides carefully b efore installing and using your reverse osmosis system. Do not use this product to make sa fe drinking water from non-potable water sources. Do not use the system on microbiologically unsafe water, or water of unknown quality withou t adequate disinfection before o ...
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GE Merlin - page 3
THE BASIC REVERSE OSMOSIS SYSTEM 3 Rev B THE BASIC REVERSE OSMOSIS SYSTEM Your Merlin™ Reverse Osmosis (RO) Drinking Water System is a water treatment unit. It uses water pressure to re verse a natural physical process called osmosis. Water, under pressu re, is forced through a semi-permeable membrane to filte r out minerals and impurities. Clean ...
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GE Merlin - page 4
4 THE BASIC REVERSE OSMOSIS SYSTEM Rev B REVERSE OSMOSIS P ACKAGE The reverse osmosis system is purchased as an installat ion kit. Before starting installation check th at the following components are available: Quantity Item Part Number 1 Manifold 1244617 1 Support Leg 1239708 1 Locking Bar 1239731 1 Disconnect Elbow and O-ri ng—Flush Mechanism ...
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GE Merlin - page 5
THE BASIC REVERSE OSMOSIS SYSTEM 5 Rev B LOCA TION OF SYSTEM The reverse osmosis system is design ed for installation under a sin k, usually in the kitchen or bathroom. The RO assemb ly can be placed on the cabinet floor in any position t hat does not apply pressure on the disconnect elbows. The RO product water fau cet installs on the sink or on t ...
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GE Merlin - page 6
6 THE BASIC REVERSE OSMOSIS SYSTEM Rev B Drain Connection - Depending on plumb ing codes, the waste wa ter may need to go to drain through an anti-siphon air gap. A detachable faucet air gap is included with the syste m. If discharging into the utility sink or standpipe, an air gap of greater than 1 .5 inches above the flood rim must be provided. D ...
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GE Merlin - page 7
THE BASIC REVERSE OSMOSIS SYSTEM 7 Rev B Figure 2 Typical Basement In stallation ...
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GE Merlin - page 8
8 THE BASIC REVERSE OSMOSIS SYSTEM Rev B REQUIRED TOOLS AND MA TERIALS • Adjustable wrench, and larger adju stable jaw p liers or pipe wrench to fit sink drain • Saw for cutting drain pipe • Slotted and Phillips head screwdrivers • Tubing cutters • Electric drill and bits for cutting the faucet mounting hole Note that some sinks will have ...
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GE Merlin - page 9
THE BASIC REVERSE OSMOSIS SYSTEM 9 Rev B STEP 2: INSTALL DRAIN ADAPTER Follow the instructions in the Appen dix for in stallation of the Drain Boa™. The drain adapter is designed to fit 1- 1/2- inch (3.8 cm) sink drain pipe. The adapter installs directly to the sink tailpiece. STEP 3: INSTALL FAUCET A. Prepare Mounting Hole 1. Select a location f ...
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GE Merlin - page 10
10 THE BASIC REVERSE OSMOSIS SYSTEM Rev B B. Assemble Faucet The tubing and fasteners are assembled to th e faucet before the faucet is placed in position. If no t using the air gap module, skip to step #3. 1. If the air gap feature is used, place the g asket in position on the faucet. 2. Add the air gap module. 3. Slide the decorative ring over th ...
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GE Merlin - page 11
THE BASIC REVERSE OSMOSIS SYSTEM 11 Rev B Figure 4 Side View and Cu taway of Tubing Fitting Postfilter Install the postfilter inline with the blue permeate tubing. Secure tubing with collet lock cl ips. Drain Adapter The drain adapter has a rubber in let that accepts the 3/8-inch black drain tube or the 1/2-inch red tub e. The 3/8-inch black tubing ...
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GE Merlin - page 12
12 THE BASIC REVERSE OSMOSIS SYSTEM Rev B Feed Water Valve (Not Supplied) The feed water valve attaches to a nea rby cold water supp ly line . The installer will determine the type and size of valve that will be installed. This valve connects to the 1/2-inch natural tu bing. Flush Tank (Optional) If the flush tank is used, the 1/4-inch blue tubing ...
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GE Merlin - page 13
THE BASIC REVERSE OSMOSIS SYSTEM 13 Rev B Recommended Placement Positions The Merlin assembly should be posit ioned in one of two ways. The first position is with the unit sta ndin g uprig ht using the support leg with the sumps horizontal. The tubing is directed to provide the best fit. The second position, sets the unit on end so the manifold is ...
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GE Merlin - page 14
14 THE BASIC REVERSE OSMOSIS SYSTEM Rev B When all of the connections have bee n made, use the locking bar to hold the fittings in position. Match t he symbols on the locking bar to the corresponding symbols on the manifold . Figure 6 Locking Bar STEP 6 SYSTEM STARTUP 1. Inspect all connections. 2. If the flush tank is not installed, th e 1/4-inch ...
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GE Merlin - page 15
TO CARE FOR THE RO SYS TEM 15 Rev B 3. Check for leaks. 4. Purge the system. Open the faucet and run the water through the RO system for one hour. The RO system is now ready for use. TO CARE FOR THE RO SYSTEM The components of the RO system are d esigned to function with minimal maintenance. However, the membrane ele ments and filters will need to ...
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GE Merlin - page 16
16 REPLACEMENT OF THE PREF ILTER, POSTFILTER, AND RO MEMBRANE ELEMENTS Rev B REPLACEMENT OF THE PREFIL TER, POSTFIL TER, AND RO MEMBRANE ELEMENTS 1. Turn off the water supply to the RO System. 2. Reduce system water pressure by opening the f aucet. 3. Disconnect locking bar and pla ce the fittings (with tubing still connected) into a tub or bucket. ...
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GE Merlin - page 17
REPLACEMENT OF THE PREFILTER, POST FILTER, AND RO MEMBRANE ELEMENTS 17 Rev B 6. Remove exhausted prefilter and disca rd. 7. If Changing Membrane Elements: A. Remove membrane sumps. Remove and discard used elements. B. Remove new elements from packaging. C. Lubricate element O-rings, brine sea ls, and sump O-rings with silicone lubr icant. D. Secure ...
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GE Merlin - page 18
18 REPLACEMENT OF THE PREF ILTER, POSTFILTER, AND RO MEMBRANE ELEMENTS Rev B B. Pour a tablespoon (15 milliliters) of chlorine b leach into the center opening of the prefilter su mp connection. See Figure 8. 9. Install prefilter. A. Remove new prefilter from packaging. Ensure gaskets are secure. Insert prefilter into proper open ing on manifold. B. ...
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GE Merlin - page 19
REPLACEMENT OF THE PREFILTER, POST FILTER, AND RO MEMBRANE ELEMENTS 19 Rev B 16. Check for any system leaks. The RO system is now ready for use. NOTE: If the two RO membrane elements were replace d the system should be flushed for one h our. This flush removes the food grade preservative from the elements. The preservative is not harmful but may af ...
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GE Merlin - page 20
20 APPENDIX Rev B APPENDIX ...
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GE Merlin - page 21
MERLIN COMPONENTS 21 Rev B MERLIN COMPONENTS OnDemand RO ...
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GE Merlin - page 22
22 MERLIN PARTS LIST Rev B MERLIN P AR TS LIST REPLACEABLE CARTRIDGES Spare parts are available through yo ur installing water trea tment dealer. Part Number Description 1255052 Complete Merlin system 1239705 Sump - interchangeable for all 3 positions 1244617 Manifold - complete 1239708 Support Leg 1240564 Drain Boa Kit 1240620 3/8-inch Black Tubin ...
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GE Merlin - page 23
MERLIN PARTS LIST 23 Rev B ACCESSORIES NON-STOCKED INDIVIDUAL COMPONENTS Spare parts are available through yo ur installing wa ter treatment dealer. Part Number Description 1261345 Merlin Flush Kit (Accum ulator tank and 1/4-inch tubing) 1240619 1/4-inch Blue Tu bing - 500 foot roll - John Guest Brand 1240632 Inlet Booster Pump, 110V/60Hz 1013501 S ...
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GE Merlin - page 24
24 DIMENSIONS Rev B DIMENSIONS Performance Specific ations 1 , 2 Minimum Maximum Average Permeate Flow Rate 0.33 gals/min (1.25 Lpm) 0. 75 gals/min (2.84 Lpm) 0.50 gals/min (1.89 Lpm) TDS Rejection (NaCl) 3 90% 99% 93% Minimum and Maximum Operating Conditions Condition Minim um Maximum Inlet Pressur e 40 psi (2.76 bar) 80 psi (5.52 bar) Inlet T emp ...
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GE Merlin - page 25
DIMENSIONS 25 Rev B ...
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GE Merlin - page 26
26 DIMENSIONS Rev B SPECIFIC CONT AMINANT PERFORMANCE Testing performed under stand ard laboratory conditions. Actual results may va ry. Contaminant Influent (avg. mg/L) Effluent (ave. mg/L) Effluent (max. mg/L) Ave % Reduction Arsenic a a. This system has been tested for the tr eatment of water containing pentaval ent arsenic (also known as As(V), ...
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GE Merlin - page 27
DIMENSIONS 27 Rev B SYSTEM PERFORMANCE RA TING: Average System Recovery means the percentage of the influent water to the me mbrane portion of the system that is available to the user as reverse osmosis treated water when opera ted as designed (without a pressurized storage tank). Average System Efficiency rating means th e percentag e of the influ ...
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GE Merlin - page 28
©Copyright 2004 General Electric Company Printed in the USA P/N 1262366 Rev B Contact your installing dealer for spare pa rts or service: ...
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