Whirlpool WHER18 Troubleshooting Guide Page 1

How to install, operate andmaintain your Reverse OsmosisDrinking Water SystemModel WHER12Model WHER187263942 (Rev. F 8/28/06)Product No. 8562920If you

10Install Drain AdaptorRunning the drain tubing directly to a floor drain, sump, standpipe, laundry tub is preferred. See “AirGap Requirements” sectio

11Install FaucetPrepare mounting hole:1. Select one of the following places for the faucet. Be sure it will fit flata gainst the surface, and thereis

12Assemble Faucet (Model WHER18):1. Slide the elec tronics ring onto the faucet stud.2. Route the 1/4” red tubing through the sink or countertop hole,

13Install RO AssemblyHang the assembly on the included hanger washers, or lay on the cabinet floor, as desired.1. Refer to Figure 8 for wall mounting.

14water supplyfittingdrainadaptors i n k p --- t r a pRO product waterfaucet(Model WHER12)COLDHOT3/8” black tubingyellow collettelephone style extensi

156. Flush the prefilter sump with fresh water, if needed to clean. Next, fill with water to about 1” fromthe top. Add 2 ta blespoons of household ble

16Routine MaintenanceTo keep your reverse osmosis system operating and producing high quality water, you must make suresupply water is always within t

17RO Cartridge(cartridge o---ringsealsonthisend)postfilter cartridge(cartridge o---ringsealsonthisend)sumpprefilter cartridge( c a r t r i d g e o ---

18Flow ControlThe flow c ontrol is vital for proper opera tion of the RO membrane cartr idge. The control keeps waterflow through the membrane at the

19Changing Collet and O--ring:1. With a small screwdriver remove the collet and o-ring from the fitting. Be careful not to scratchthe internal walls o

2Tabl e o f C ont ent sBefore You Start 3...Inspect Shipment 4...

20Troubleshooting GuideREVERSE OSMOSIS SYSTEM CARE GUIDE MODEL NOs. WHER12 and WHER181. AT LEAST every 6 months, replace the prefilter and postfilter

21SpecificationsWater Specifications WHER12 WHER18 MetricSupply water pressure limits 40 --- 100 psi 40 --- 100 psi 280 --- 690 kPaSupply water temper

19Manifold HousingPUSH --- IN FITTINGSo --- r i n g s e a lcollet25{1/4” | 3/8”o-ring seals1834|{{|1/4”Tubing1617201514256971011128241311423222122Repa

23Repair PartsKeyNo.PartNo.Description1 7221128 Sump (3 req.)2 7223633 O--Ring, 2--1/4” x 2--1/2” (3 req.)3 9006062 Screw (2 req.)4 9041700 Hanger Was

24Product SchematicPREFILTERPRODUCTWATERSTORAGEROMEMBRANEcheckvalvedrain flowcontrolAUTOMATICSHUTOFFWATERINPOSTFILTERPRODUCTWATERFAUCETair gapgravityd

3Before You StartFor installations in the Commonwealth of Massachusetts:Installation by a licensed plumber is required. Plumbing code 248--CMR of the

4Inspect ShipmentThe parts required to assemble and install the reverse osmosis system are included in a parts bag, lo-cated inside the shipping carto

5Reverse Osmosis InformationThe Reverse Osmosis (RO) Drinking Water System is a water treatme nt unit. It uses household waterpressure to reverse a na

6Faucet ElectronicsIf so equipped, the RO system will monitor the total product flow of the rever se osmosis system andalso length of time the filters

7Reverse Osmosis Dimensions13”12”9” dia.15”STORAGETANKPlan the InstallationTools and Parts NeededAssemble the required tools before starting installat

8The RO assembly and storage tank is designed for installation under the sink, usually in the kitchenor bathroom. The RO assembly mounts on a wall sur

9InstallationInstall Cold Water Supply FittingCheck and comply with local plumbing codes as you plan, then install a cold feed (supply) water fitting.