Rheem RHS 32 Installation And Operation Manual
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Rheem RHS 32 Installation And Operation Manual

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Model RHS32
How to install, operate
and maintain your Demand
Controlled Water Softener
PRODUCT AND WARRANTY
REGISTRATION
Register your product
online to validate and
extend your warranty.
See warranty page for
details.
www.rheemwatertreatment.com
If you have any questions or concerns when
installing, operating or maintaining your water
softener, call our toll free number:
1-800-754-7027
www.rheemwatertreatment.com
or visit
When you call, please be prepared to provide
the model and serial number of your product,
found on the rating decal inside the salt lid.
System tested and certified by NSF International
against NSF/ANSI Standard 44
for hardness reduction, efficiency and the
reduction of barium and radium 226/228,
and certified to NSF/ANSI Standard 372.
Manufactured and warranted by
Water Channel Partners
1890 Woodlane Drive
Woodbury, MN 55125
7386465 (Rev. A 11/10/20)

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  • Page 1 Model RHS32 How to install, operate and maintain your Demand Controlled Water Softener PRODUCT AND WARRANTY REGISTRATION Register your product online to validate and extend your warranty. See warranty page for details. www.rheemwatertreatment.com If you have any questions or concerns when installing, operating or maintaining your water softener, call our toll free number: 1-800-754-7027...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Page Specifications & Performance Claims ............3 Before You Start .

  • Page 3: Specifications & Performance Claims

    Specifications & Performance Claims This model is efficiency rated. The efficiency rating is valid only at the minimum salt dose. This system has a demand initiated regeneration (D.I.R.) feature that complies with specific performance specifications intended to min- imize the amount of regenerant brine and water used in their operation. This water softener has a rated softener efficiency of not less than 3,350 grains of total hardness exchange per pound of salt (based on sodium chloride) and shall not deliver more salt than its listed rating or be operated at a sustained maximum service flow rate greater than its listed rating.

  • Page 4: Before You Start

    Before You Start = The water softener requires a minimum water flow of 3 gallons per minute at the inlet. Maximum allowable inlet water pressure is 125 psi. If daytime pressure is over 80 psi, nighttime pressure may exceed the maximum. Use a pressure reducing valve if necessary (Adding a pressure reducing valve may reduce the flow).

  • Page 5: Inspect Shipment

    Inspect Shipment The parts required to assemble and install the water Remove and discard (or recycle) all packing materials. softener are included with the unit. Thoroughly check To avoid loss of small parts, we suggest you keep the the water softener for possible shipping damage and small parts in the parts bag until you are ready to use parts loss.

  • Page 6: Installation Requirements

    Installation Requirements LOCATION REQUIREMENTS PLUMBING CODES Consider all of the following when selecting an installa- All plumbing must be completed in accordance with tion location for the water softener. national, state and local plumbing codes. = Do not locate the water softener where freezing temperatures occur.
  • Page 7 Installation Requirements VALVE DRAIN REQUIREMENTS 1/4” NPT Thread Barbs for 3/8” Using the flexible drain hose (included), measure and I.D. Tubing cut to the length needed. Flexible drain hose is not Hose Clamp allowed in all localities (check your plumbing codes). If local codes do not allow use of a flexible drain hose, a Drain Hose rigid valve drain run must be used.

  • Page 8: Installation Instructions

    Carefully remove ASSEMBLY the two large plastic clips (you will use them). 3. Make sure the turbine assembly spins freely in the 1. Rheem models are factory assembled. During ® "out" port of the valve (See Figure 10).
  • Page 9 Installation Instructions COMPLETE INLET AND OUTLET PLUMBING Top Cover Nozzle & Venturi Measure, cut, and loosely assemble pipe and fittings Assembly from the main water pipe to the inlet and outlet ports of Salt Lid the water softener valve. Be sure to keep fittings fully Brine Tank together, and pipes squared and straight.
  • Page 10 Installation Instructions COLD WATER PIPE GROUNDING INSTALL SALT STORAGE TANK OVERFLOW HOSE CAUTION: The house cold water pipe (metal only) is often used as a ground for the house 1. Measure, cut to needed length and connect the 3/8” electrical system, The 3-valve bypass drain line (provided) to the salt storage tank overflow type of installation, shown in Figure 8, elbow and secure in place with a hose clamp.
  • Page 11 Installation Instructions SANITIZE THE WATER SOFTENER / SANITIZE AFTER SERVICE If removing Care is taken at the factory to keep your unit clean and clips... sanitary. Materials used to make the unit will not infect or contaminate your water supply, and will not cause bacteria to form or grow.

  • Page 12: Programming The Water Softener

    FIG. 17 NOTE: Press buttons and quickly release to slowly advance the display. Hold the buttons down This is a reminder to use Rheem RHWSC Water for fast advance. ® Softener Cleaner (P/N RHWSC21) three times a 2.
  • Page 13 Programming the Water Softener STEP 2. SET WATER HARDNESS NUMBER STEP 4. SET SALT TYPE If you completed the previous step, the word “HARD - If you completed the previous step, either “NaCl” (for NESS" should show in the display. Otherwise, press Sodium Chloride) or “KCl”...
  • Page 14 Programming the Water Softener EXTRA RECHARGE continued from previous page 2. The salt level scale, on the brinewell inside the Sometimes, a manually initiated recharge (regenera- tank, has numbers from 0 to 8 (See Fig. 24). tion) may be desired, or needed. Two examples are: Observe the highest number the leveled salt is at, You have used more water than usual (guests visit- or closest to.

  • Page 15: Customizing Features

    12 OR 24 HOUR CLOCK: All time displays are shown in standard clock time (1 to 12 AM; and 1 to Your Rheem Water Softener has a “High 12 PM) at the 12 hr default setting. If 24 hour time ®...
  • Page 16 Controller Features continued from previous page FIG. 33 BACKWASH & FAST RINSE TIMES: If you expe- rience salty tasting water after recharge, you may need to increase the backwash and fast rinse times. The cycle times during recharge are deter- mined by the softener’s electronic controller.

  • Page 17: Routine Maintenance

    Routine Maintenance ADDING SALT BREAKING A SALT BRIDGE Sometimes, a hard crust or salt “bridge” forms in the Lift the salt lid and check the salt storage level fre- brine tank. It is usually caused by high humidity or quently. If the water softener uses all the salts before you refill it, you will experience hard water.
  • Page 18 Routine Maintenance CLEANING THE NOZZLE & VENTURI PROTECT THE WATER SOFTENER FROM FREEZING A clean nozzle & venturi (See Figure 37) is a necessity for the water softener to work properly. This small If the softener is installed where it could freeze (sum- component creates the suction to move brine from the mer cabin, lake home, etc.), you must drain all water brine tank, into the resin tank.
  • Page 19 Troubleshooting Guide PROBLEM CAUSE CORRECTION 1. No salt in the storage tank. Refill with salt and then use RECHARGE NOW feature. No soft water No soft water & dis- 1. Power supply unplugged at wall outlet, or Check for loss of power and correct. Reset electronic power cable disconnected from back of elec - controls and then use RECHARGE NOW feature.

  • Page 20: Troubleshooting

    Troubleshooting AUTOMATIC ELECTRONIC DIAGNOSTICS 3. The letter “P” and a dash (or dashes) indicate POSITION switch operation (See Figure 40). If the This water softener has a self-diagnostic function for letter appears, the switch is closed. If the dash the electrical system (except input power and/or water shows, the switch is open.
  • Page 21 Troubleshooting RESETTING TO FACTORY DEFAULTS slow flow of water to the drain will begin. Verify brine draw from the brine tank by shining a To reset the electronic controller to its factory default flashlight into the brinewell and observing a for all settings (time, hardness, etc.): noticeable drop in the liquid level.

  • Page 22: Exploded View & Parts List

    Softener Exploded View Valve Assembly See Pages 24 & 25 for parts...
  • Page 23 Resin, 1 cu. ft. 7213475 Brinewell 7384667 Repl. Brine Tank (order badge below) Overflow Hose Adaptor Kit – 7331258 7386538 Badge, Rheem (includes Key Nos. 25-27) 7384641 Adaptor Elbow 7384633 Support, Faceplate Grommet Repl. Electronic Control Board (PWA), Hose Clamp...
  • Page 24 Valve Exploded View Wear Strip Seal Cross-section View...
  • Page 25 Valve Parts List Part No. Description Part No. Description Motor, Cam & Gear Kit, 3/4” Bypass Valve Assembly, 3/4”, in - – 7384683 7370286 (includes Key Nos. 50-52) cluding 2 O-Rings (See Key No. 72) Motor 7337571 O-Ring, 15/16” x 1-3/16”, pack of 4 Turbine &...

  • Page 26: Warranty

    The factory warranty for your water softener is shown below. The one year full warranty period on parts and labor can be extended to five (5) years from the date of purchase if you use Rheem RHWSC Water Softener Cleaner on your sys- ®...

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