GE GNSM48F Owner's Manual & Installation Instructions
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GE GNSM48F Owner's Manual & Installation Instructions

GE GNSM48F Owner's Manual & Installation Instructions

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www.GEAppliances.com
Safety Instructions
Owner's Manual &
Proper Installation . . . . . . . . . . . . . .2
Installation Instructions
Installation Instructions
GNSM48F
Drain Connections . . . . . . . . . . .6, 7
Installation Instructions . . . . . . . .3-5
Planning and Location . . . . . . . . . .4
Programming the Control . . . . . . .9
Sanitizing . . . . . . . . . . . . . . . . . . . .10
Specifications and Dimensions . . .11
Step-by-Step Instructions . . . . . .6-11
Tools and Materials Required . . . . .4
Operating Instructions, Tips
Breaking a Salt Bridge . . . . . . . . . .13
Venturi Assembly . . . . . . . . . . . . . .14
Electronic Diagnostics . . . . . . . . . .18
Features . . . . . . . . . . . . . . . . . .15-17
Regenerating the System . . . . .19, 20
Service . . . . . . . . . . . . . . . . . . . . . .12
Water Softener System . . . . . . .12-21
Care and Cleaning
Cleaning Out Iron . . . . . . . . . . . . .22
. . . . . .23-25
Consumer Support
Consumer Support . . . . .Back Cover
Parts List/Catalog . . . . . . . . . .26-29
Product Registration . . . . . . . .33, 34
Warranty . . . . . . . . . . . . . . . . . . . . .35
Write the model and serial
numbers here:
Model # __________________
Serial # __________________
You can find them on the back of
the control head.
7261827
215C1173P006
49-50137
06-04 JR
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Summary of Contents for GE GNSM48F

  • Page 1: Table Of Contents

    Proper Installation ....2 Installation Instructions Installation Instructions GNSM48F Drain Connections ...6, 7 Important Recommendations ..3 Installation Instructions .

  • Page 2: Proper Installation

    Do not install in direct sunlight. Excessive sun heat system with a chlorine reducing filter. Contact the may cause distortion or other damage to non- GE Answer Center at 1.800.626.2000 for more metallic parts. information. s Properly ground to conform with all governing WARNING: codes and ordinances.

  • Page 3: Important Recommendations

    Installation instructions. CAUTION: Certain plumbing skills are needed for installation. If you are unsure about any part of the installation of this product, consult a professional plumber. Unpacking and Inspection Be sure to check the entire softener for any shipping damage or parts loss. Also note damage to the shipping cartons.
  • Page 4 • Use copper, brass or galvanized pipe and fittings. Some codes may also allow CPVC plastic pipes. • If additional drain hose is needed for salt tank drains, it can be ordered from GE Parts at 800.626.2002. • Garden hose with female fitting is needed for valve drain (sufficiently long to reach suitable drain).
  • Page 5 Typical Installation Illustration Fig. 1 Soft water Hard water Hard water to outside faucets CROSS-OVER Use if water supply flows from the left. Include single or 3-valve bypass. Union (2) 120-volt outlet (not supplied) Hard water Retainer (2) Clips (2) Soft water 24V transformer Copper tube, 1”...
  • Page 6 IMPORTANT: If more drain hose is needed, it should • When turning threaded pipe fittings onto plastic fittings, be ordered from GE Parts at 800.626.2002. The water use care not to cross-thread. softener will not work if water cannot exit this hose during regenerations.
  • Page 7 • Tie or wire the hose in place at the drain point. High water • Locate the other end of the hose at the drain point. DO NOT ELEVATE this hose higher than the elbow on the brine pressure will cause it to whip during the back-wash and fast rinse cycles of regeneration.
  • Page 8 Step-by-step installation instructions. Flush pipes, expel air from softener and test your Connect to electrical power: installation for water leaks: • Remove packing material from the outside of the CAUTION: To avoid water or air pressure damage to softener transformer. DO NOT PULL ON OR DISCONNECT WIRING. inner parts, be sure to do the following steps in exact order.
  • Page 9 Touch or Hold button RECHARGE TONIGHT TOUCH Up (+) button RECHARGE NOW HOLD TIME HARDNESS Set button Down (–) button Display DATA REMAINING CAPACITY FLOW RATE GPM GALLONS TODAY AVG. DAILY GALLONS Data button Excel Programming the Control Set water hardness number Timer settings required—upon installation and after an NOTE: If 15 (factory default) and HARDNESS do not show in extended power outage.
  • Page 10 Step-by-step installation instructions. Sanitizing Procedures To complete the installation, do the following sanitizing procedures. Care is taken at the factory to keep your water softener clean and sanitary. Materials used to make the softener will not infect or contaminate your water supply and will not cause bacteria to form or grow. However, during shipping, storage, installing and operating, bacteria could get into the softener.
  • Page 11 Specifications/Dimensions GNSM48F Rated Capacity* (See rating label on water softener) Rated Efficiency** (See rating label on water softener) Amount of High Capacity Resin (lbs/cu. ft) 67.6/1.30 Resin Tank Nominal Size (in., dia. x height) 10 x 47 Service Flow Rate (gpm)
  • Page 12 About the water softener system. Service When the water softening system is providing soft water, it is called “Service.” During service, hard water flows from the house main water pipe into the water softening system. Inside the water softening system resin tank is a bed made up of thousands of tiny, plastic resin beads.

  • Page 13: Breaking A Salt Bridge

    www.GEAppliances.com Breaking a Salt Bridge Sometimes, a hard crust or salt bridge forms in the salt storage area. It is usually caused by high humidity or the wrong kind of salt. When the salt bridges, an empty space forms between the water and salt. Then salt will not dissolve in the water to make brine.

  • Page 14: Cleaning Nozzle And Venturi Assembly

    About the water softener system. Cleaning the Nozzle and Venturi Assembly A clean nozzle and venturi is needed for the water softening system to work properly. This small unit makes the suction to move brine from the salt storage area to the resin tank during regeneration. If it becomes plugged with sand, dirt, etc., the water softening system will not work and you will get hard water.
  • Page 15 www.GEAppliances.com Normal Operation, Timer Display During normal operation, the present time of day and AM or PM show in the control display area. When the demand computer determines a regeneration is needed, RECHARGE TONIGHT begins to flash in the display, along with the present time. RECHARGE TONIGHT flashes until the next regeneration start time, then changes to RECHARGE NOW, which flashes until the regeneration is over.

  • Page 16: Features

    About the water softener system. Feature/Service: Automatic Electronic Diagnostics The timer computer has a self-diagnostic function for the electrical system (except input power and water meter). The computer monitors the electronic components and circuits for correct operation. If a malfunction occurs, an error code appears in the timer display. The chart on Error Codes shows the error codes that could appear and possible defects for each code.
  • Page 17 www.GEAppliances.com Timer/Softener, Service Checkout Procedure If you are not getting soft water, and an error code is not displayed, use the procedures below to find the problem. First make the following visual checks. VISUAL CHECKS: Is there electrical power to the outlet the water softening system transformer is plugged into? Is there sufficient salt in the storage tank? Is the plumbing bypass valve directing water for soft water service?

  • Page 18: Service

    About the water softener system. Service: Manually Initiated Electronic Diagnostics To enter diagnostics, press and hold the DATA button until the display appears as shown. NOTE: If the softener is in the middle of a regeneration, top part of the display shows the LAST RECHARGE cycle of regeneration and minutes of the cycle remaining.
  • Page 19 www.GEAppliances.com Service: Manually Advance Regeneration Check This check verifies proper operation of the valve motor, brine tank fill, brine draw, regeneration flow rates and other controller functions. First, make the initial checks and the manually initiated electronic diagnostics. NOTE: The face plate display must show a steady time (not flashing). Press the TOUCH or HOLD button and hold for three seconds.
  • Page 20 About the water softener system. Service: Regeneration and Heavy Duty Backwash NOTE: Each of the following functions has a factory set default value. The defaults are: Regeneration start time –2:00AM ; Maximum days between regenerations –0 (display shows dY–); Efficiency mode –ON; Heavy duty backwash –OFF. The defaults are suitable for most installations. However, depending on water supply quality, household peak water use hours, etc., adjustment is available to meet specific needs.
  • Page 21 Model Code: The timer must have the right model code set to operate the water softening system correctly. The correct code setting for the GNSM48F is A-39. is flashing in the display, do steps 3, 4, 6 and 8 below.

  • Page 22: Salt Storage Level And Refilling

    Although this additive may help to keep the water softening system resin clean, it may also release corrosive fumes that weaken and shorten the life of some water softening system parts. GE recommends using only Diamond Crystal ®...

  • Page 23: Troubleshooting Tips

    Before you call for service… www.GEAppliances.com Troubleshooting Tips Save time and money! Review the chart on this page first and you may not need to call for service. NO SOFT WATER – Most Common Problems: Check the following before calling for service •...
  • Page 24 Before you call for service… Troubleshooting Tips Problem Possible Causes What To Do Water hard sometimes • Avoid using hot water during water softening system Using hot water while the water softening system is regenerating regenerations because the water heater will refill with hard water.
  • Page 25 www.GEAppliances.com Problem Possible Causes What To Do Salty tasting water Insufficient backwash and •Increase backwash time. See the Service: Regeneration and after installation rinse time Heavy Duty Backwash section. Low water pressure Check pressure •Drain height 8′ or less pressure should be a minimum 20 psi. •Drain height above 8′...

  • Page 26: Parts List/Catalog

    Parts list.
  • Page 27 www.GEAppliances.com flow plug assembly assembled view wear-strip seal cross-section view...
  • Page 28 Parts catalog. REF. #. CAT. #. PART DESCRIPTION GNSM48F WS35X10001 O-RING SEAL KIT WS34X10006 DECAL WS07X10004 DRAIN HOSE - 20 FT WS14X10002 DISTRIBUTOR TOP WS14X10001 DISTRIBUTOR BOTTOM WS01X10003 RESIN - 1/2 CU. FT. WS01X10002 RESIN - 1 CU. FT. WS32X10014 TANK RESIN - 10″...
  • Page 29 COPPER TUBE REDUCERS 1″ TO 3/4″ WS22X10035 ADAPTOR, DRAIN HOSE WS35X10039 INSTALL KIT - GNSM48F 49–50115 PM MANUAL USE & CARE/ INSTALLATION *NOTE: Codes in the State of Massachusetts require installation by a licensed plumber and do not permit the use...
  • Page 30 Notes.
  • Page 31 Notes.
  • Page 32 Notes.

  • Page 33: Warranty

    You can rest easy, knowing that all your valuable household products are protected against expensive repairs. 800.626.2224 Place your confidence in GE and call us in the U.S. toll-free at for more information. *All brands covered, up to 20 years old, in the continental U.S.
  • Page 34 Month Year * Please provide your e-mail address to receive, via e-mail, discounts, special offers and other important communications from GE Appliances (GEA). Check here if you do not want to receive communications from GEA’s carefully selected partners. GE Appliances FAILURE TO COMPLETE AND RETURN THIS CARD DOES NOT DIMINISH YOUR WARRANTY RIGHTS.
  • Page 35 Any part of the Water Softening System which fails due to a defect in materials or workmanship. From the date of the During this full one-year warranty, GE will also provide, free of charge, all labor and in-home original purchase service to replace the defective part.
  • Page 36 Contact Us www.GEAppliances.com If you are not satisfied with the service you receive from GE, contact us on our Website with all the details including your phone number, or write to: General Manager, Customer Relations GE Appliances, Appliance Park...

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