Installation and user Guide
Contents
1. 2 11Align the Trim Ring some models and tighten the Grubscrew to secure the Thermostatic Mixer to the Backplate 2 12Fit the Shower Fittings refer to your Fittings Installation and User Guide for Instructions Note For high pressure systems a 12 litre minute flow regulator supplied can be fitted under the hose washer 2 13Turn on the hot and cold water supplies and check for leaks 2 14The Maximum Temperature of the Thermostatic Mixer is factory set to approximately 43 C If adjustment is required refer to section Commissioning 1073806 W2 B 14 Trim Ring Flow Regulator for high pressure Systems REVERSED INLET SUPPLIES Kohler Purist Stillness Thermostatic Mixers are supplied with inlet connections Hot Left Cold Right and Bottom Outlet as standard If the hot and cold water supply pipes have been reversed during installation the Thermostatic Cartridge must be removed and rotated 180 1 Isolate the hot and cold water supplies 2 Remove the Concealing Cap loosen the Control Knob Grubscrew by approximately 4 turns with the 2 5 mm Hexagon Key supplied and pull off the Control Knob Bearing and Hub Adaptor 4 Fit the Cartridge Removal Socket supplied onto the Cartridge Nut 5 Fit the O Key supplied onto the Cartridge Removal Socket turn anticlockwise and unscrew fully 6 Invert the Cartridge Removal Socket and align the lugs with the slots in the Hub Rotate the Cartridge Remo2. Bearing 1095762 Control Knob Stillness Lever 1073806 W2 B 22 1062476 1062471 RK geg A Gg 1073974 1073806 W2 B 1062472 1073973 B B 1073976 1073971 1073972 1095762 CUSTOMER SERVICE Guarantee of Quality Kohler UK guarantee products against any defect of materials or workmanship for the following periods 29 Years Ceramic Ware and Cast Products 10 Years Stainless Steel Products and Acrylic Baths Years 2Years 1Year Shower Valves Taps Cistern Fittings Toilet Seats and Bath Panels Bathroom Furniture and Accessories Whirlpool Spa Baths Our confidence in the quality and reliability of our superior products enables us to offer a comprehensive guarantee for all products To register and fully benefit from this guarantee you must return the enclosed product registration card indicating the Kohler items you have purchased Within the guarantee period we will undertake to resolve any material defects by providing replacement parts modules or complete product as we deem appropriate To be free of charge work must only be undertaken by Kohler UK approved personnel To ensure that any problems can be promptly resolved you must contact Kohler UK directly Proof of purchase must be provided with any claims This guarantee covers products in domestic use installed and maintained in accordance with the instructions It covers the purchaser only and is not
3. Maximum Preset Temperature 1073806 W2 B 18 FAULT DIAGNOSIS Symptom Cause Rectification Only hot or cold a Inlets reversed hot supply to cold supply Refer to water from the section Reversed Supplies Thermostatic Mixer b No hot water reaching the Thermostatic Mixer outlet c Check the Filters for any blockage d Installation conditions outside operating parameters refer to sections Specifications and Commissioning Fluctuating orj a Check the Showerhead Hose and Filters for any reduced flow rate blockage b Make sure the maintained inlet pressures are nominally balanced and sufficient refer to section Specifications c Make sure the inlet temperature differentials are sufficient refer to section Specifications d Flow Regulator fitted incorrectly e Airlock or partial blockage in pipework No flow from the a Check the Showerhead Hose and Filters for any Thermostatic Mixer blockage outlet b Hot or cold supply failure Blend temperature a Refer to symptom 2 above drift b Significant supply temperature fluctuation c Significant supply pressure fluctuation d Faulty Thermostatic Cartridge renew Maximum blendja Indicates incorrect maximum temperature setting temperature setting refer to section Commissioning too hot or too cold b Refer to symptom 4 above Water leaking from a Normal for a short period after shut o
4. Nuts onto the Thermostatic Mixer with a suitable Spanner Caution Take care not to damage the chrome surfaces Trim Ring Flow Regulator for high pressure systems 1 12Align the Trim Ring Some models and tighten the Grubscrew with a 2 5 mm Hexagon Key supplied to secure the Thermostatic Mixer to the Backplate 1 13Fit the Shower Fittings refer to your Fittings Installation and User Guide for instructions Note For high pressure systems a 12 litre minute flow regulator supplied can be fitted under the hose washer 1 14Turn on the hot and cold water supplies and check for leaks 1 15The Maximum Temperature of the Thermostatic Mixer is factory setto approximately 43 C If adjustment is required refer to section Commissioning 1073806 W2 B 12 2 Rising or Falling Supplies 2 1 2 2 2 3 2 4 Loosen the Grubscrew on each Elbow using the 2 5 mm Hexagon Key supplied and rotate the Elbow 90 as required Retighten the Grubscrews Note Do not overtighten Use the Installation Template to mark the positions of the fixing holes for the Backplate Note Allow a minimum of 150 mm either side of the Thermostatic Mixer to allow access to the hot and cold Inlet Filters for servicing For solid walls drill the holes for the Backplate with a 6 mm drill and insert the Wall Plugs supplied For other types of wall structure alternative fixings may be required not supplied For Falling Supplie
5. partitions alternative fixings may be required Isolating valves must be installed close to the Mixer for ease of maintenance Pipework must be rigidly supported and avoid any strain on the connections Pipework dead legs should be kept to a minimum OP eS 1073806 W2 B 9 6 Decide on a suitable position for the Mixer The position of the Mixer and the Shower Fittings must provide a minimum gap of 25 mm between the spill over level of the shower tray bath and the handset For further information on the installation of your Shower Fittings refer to the Fittings Installation and User Guide Note Only use Shower Fittings recommended by the manufacturer or supplier Hose Retaining Ring a Level 1073806 W2 B 10 1 Rear Entry Supplies rising or falling concealed pipework 1 1 1 2 1 3 1 4 1 5 Use the Installation Template to mark the positions of the holes for the Backplate and the pipe centres Note Allow a minimum of 150 mm either side of the Thermostatic Mixer to allow access to the hot and cold Inlet Filters for servicing For solid walls drill the Backplate holes with a 6 mm diameter drill and insert the Wall Plugs supplied For other types of wall structure alternative fixing may be required not supplied Drill the supply pipe holes at 153 mm centres Recess the wall to allow for the Concealing Plates 32 mm x 10 mm deep Note Depth must be sufficient to prevent the Concealing Plates fo
6. sasaa P AdE EEA Naaa 22 Customer SOrviCe iii ccccitccccccvsccccceeveeccecesvessceccstesscecesseveceeeeerveaane Back Page 1073806 W2 B 2 INTRODUCTION Thank you for purchasing a quality Kohler product To enjoy the full potential of your new product please take time to read this guide thoroughly having done so keep it handy for future reference The Kohler Purist Stillness Thermostatic Mixer is a Thermostatic Shower Control with a Single Sequential Knob for on off and temperature control It has been designed to compliment the Kohler Purist Stillness Brassware range and is available with either a Lever or Cross Control Knob The Thermostatic Mixer incorporates a Wax Capsule Temperature Sensing Unit This provides an almost immediate response to changes in pressures or temperature of the incoming water supplies to maintain the selected temperature An adjustable Maximum Temperature Stop is provided which limits the temperature to the desired level Inlet Filters are fitted to protect the Thermostatic Cartridge The Kohler Purist Stillness Thermostatic Mixer is an exposed Shower Control for connection to wall mounted or rear entry pipework at centres of 153 mm Note This Installation and User Guide relates to a range of Thermostatic Mixing Valves therefore the illustrations may vary from your product Patents and Design Registration Design Registration 000684717 000704416 Patents 2 291 693 2 392 225 2 421 297 SCH 695 13 45
7. 5 8 France 0 694 721 E USA 7 240 850 Euro 1 672 257 DE FR GB IT NL SE Patent Applications Euro 03254070 0 USA 2007 0221740 A1 2006 0124758 A1 If you experience any difficulty with the installation or operation of your new Thermostatic Mixer please refer to Fault Diagnosis before contacting Kohler Mira Ltd Our contact details can be found on the back cover of this guide 1073806 W2 B 3 SAFETY WARNINGS Kohler thermostatic mixers are precision engineered and should give continued safe and controlled performance provided 1 They are installed commissioned operated and maintained in accordance with the manufacturer s recommendations 2 Periodic attention is given when necessary to maintain the product in good functional order Caution 1 Read all of these instructions 2 Retain this guide for later use 3 Pass on this guide in the event of change of ownership of the installation site 4 Follow all warnings cautions and instructions contained in this guide 5 Anyone who may have difficulty understanding or operating the controls of any shower should be attended whilst showering Particular consideration should be given to the young the elderly the infirm or anyone inexperienced in the correct operation of the controls 6 Rapid Excessive movement of the flow and or temperature control levers may result in momentary unstable blend temperatures 7 Care is required when adjusting flow or t
8. KOHLER Purist and Stillness Thermostatic Mixing Valves Installation and User Guide MODEL NUMBERS 12780W 4 CP 12799W 3 CP 12799W 4 CP Important Please quote the above model number s when ordering spares IMPORTANT INSTALLER THIS MANUAL IS THE PROPERTY OF THE CUSTOMER AND MUST BE RETAINED WITH THE PRODUCT FOR MAINTENANCE AND OPERATIONAL PURPOSES CONTENTS uigebliTeiDl epe REA 3 Patents and Design Reotstraton 3 Safety Warnings roce Eege ged RE ENERO EIRREED 4 Specifications ET 5 Operating Paramete Seci gie etti etaed EE 5 FIOW RIGS enian ELS 6 RI TTT 7 Pack Contents inen erret rne cenesstecccesesseeeeeteeatce 8 Installation innen nnne 9 Suitable Plumbing Gvstems cece ceeeeeeeeeeneeeeeeeeaeeeeeeenaeeeeeeenaees 9 GOMeG MM CR 9 1 Rear Entry Supplies rising or falling concealed pipework 11 2 Rising or Falling Gupples eee eeeeeee eee eeteeeeeeteteeeeeeeneeeeeeeeaas 13 Reversed Inlet Supplies eseseeeeeeeeeeeeeeeeeeeeer enne 15 COMMISSIONING erection reri einn nianu p iua 17 Maximum Temperature Setting eee 17 OO ATL IN cs E 18 Fault Re vac nii riore niente epe te EKRAANE iren 19 En MEDI e 20 E T 20 Bier 20 D npe eine 20 Inlet LCE 21 Spare Parts receipt een eR AD NEEE aria
9. emperature make sure that the temperature has stabilised 8 When this product has reached the end of its serviceable life it should be disposed of in a safe manner in accordance with current local authority recycling or waste disposal policy 1073806 W2 B 4 SPECIFICATIONS Operating Parameters Pressures Max Static Pressure 10 Bar Max Maintained Pressure 5 Bar Min Maintained Pressure Gravity System 0 1 Bar 0 1 bar 1 Metre head from cold tank base to shower handset outlet Note For gravity fed other low pressure systems 0 5 bar or below do not fit the flow regulator For optimum performance supplies should be nominally equal Temperatures Factory Pre set Blend Shower 43 C Optimum Thermostatic Control Range 35 C to 43 C achieved with supplies of 15 C cold 65 C hot and nominally equal pressures Recommended Hot Supply 60 C to 65 C Note The mixing valve can operate at higher temperatures for short periods without damage however this could detrimentally affect thermostatic performance For safety and performance reasons it is recommended that the maximum hot water temperature is limited to 65 C Cold Water Range up to 25 C Minimum Recommended Differential between Hot Supply and Outlet Temperature 12 C Thermostatic Shut down For safety and comfort the thermostat will shut off the mixing valve within 2 Seconds if either supply fails achieved only if the blend temperature
10. et Filters Important The Inlet Filters should be checked and cleaned as necessary every 12 months Note The Inlet Filters must not be removed except for cleaning If the Thermostatic Mixer is operated without the Inlet Filters fitted the Warranty on the product will be void 1 Isolate the hot and cold water supplies and operate the Control Knob to drain any residual water 2 Remove the Filter Blanking Caps and unscrew the Filter Caps with the O Key supplied or a 12 mm hexagonal wrench and remove the Filters 3 Clean each Filter in turn under a jet of water to remove any lodged particles 4 Refit the Filters and tighten the Filter Caps Note Make sure that the seal is fitted correctly and not damaged 5 Refit the Filter Blanking Caps 6 Turn on the hot and cold water supplies and check for leaks Filter O Seal Filter Cap Filter Blanking Cap 1073806 W2 B 24 SPARE PARTS 1062470 Seal Pack identified A 1062471 Component Pack 1062472 Elbow Cap 1062473 Elbow Assembly 1062474 Cartridge Assembly 1062476 Backplate 1062477 Filter Pack x 2 1062478 Elbow Connector Pack 1062479 Outlet Connector Pack 1063660 Screw Pack identified B 1063661 Inlet Connector Pack 1063671 O Key 1073971 Control Knob Purist Cross 1073972 Control Knob Purist Lever 1073973 Hub Adaptor 1073974 Cartridge Removal Socket also included with 1062474 1073975 Trim Ring Purist models only 1073976
11. ey LJ2 x Olives 4x12 UMin Flow Regulator O 1 x Cartridge Removal Socket Documentation LJ 1 x Installation Template 1073806 W2 B 8 INSTALLATION Suitable Plumbing Systems Gravity Fed The thermostatic mixer must be fed from a cold water cistern usually fitted in the loft space and a hot water cylinder usually fitted in the airing cupboard providing nominally equal pressures Mains Pressurised Instantaneous Hot Water System Combination Boiler The thermostatic mixer can be installed with systems of this type with balanced pressures Recommended Minimum Maintained Pressure 1 0 Bar Unvented Mains Pressure System The thermostatic mixer can be installed with an unvented stored hot water system Pumped System The thermostatic mixer can be installed with an inlet pump twin impeller The pump must be installed in a suitable location and in accordance with its instructions General Installation must be carried out in accordance with these instructions and must be conducted by designated qualified and competent personnel The installation must comply with the Water Supply Regulations 1999 Water Fittings or any particular regulations and practices specified by the local water company or water undertakers Note Make sure that all site requirements correspond to the information given in the section Specifications The Mixer must not be installed in an area where it may freeze For stud
12. ff the Showerhead b Check that the pressures are not in excess of the specifications for product c Cartridge Inlet Seals damaged renew d Renew the Thermostatic Cartridge Flow rate too low or a low Insufficient supply pressures too high b high Supply pressure too high Install Flow Reg c Refer to symptom 2 above 1073806 W2 B 19 MAINTENANCE General This Product is precision engineered and should give continued safe and controlled performance provided 1 It is installed commissioned operated and maintained in accordance with manufacturers recommendations 2 Periodic attention is given when necessary to maintain the product in good functional order Kohler Purist Stillness Thermostatic Mixers are designed for the minimum of maintenance in normal use If a malfunction occurs with the Thermostatic Cartridge then this will necessitate a complete cartridge replacement Note The cartridge contains no internally serviceable parts Lubricants Silicone only based lubricants can be used to assist in refitting Caution Oil based or other lubricant types may cause rapid deterioration of seals Cleaning Warning Many household cleaners contain abrasive and chemical substances and should not be used for cleaning plated or plastic fittings These finishes should be cleaned using a mild washing up detergent or soap solution rinsed and then wiped dry with a soft cloth 1073806 W2 B 20 Inl
13. has a minimum differential of 12 C from either supply temperature Connections Inlets 15 mm Compression Outlet 72 BSP Flat Face 15 mm Compression Standard connections are hot left cold right outlet bottom 1073806 W2 B 5 Flow Rates Typical Flow Rates Valve Only Low Pressure No Flow Regulator Fitted High Pressure 12 L Min Flow Regulator Fitted 35 30 25 20 15 Flow Rate L Min 10 p 0 1 0 2 0 3 0 4 0 Pressure Loss bar 1073806 W2 B 6 Kohler Purist lever 154 mm 153 mm pipe centres gt i E E E D N a Si 35 mm Kohler Purist cross 153 mm pipe centres 150 mm E E o Nu d i La SJ 35 mm Kohler Stillness 153 mm pipe centres La Si 135 mm m gt E E R 2 LU Lt pl 35 mm 7 1073806 W2 B PACK CONTENTS Tick the appropriate boxes to familiarise yourself with the part names and to confirm that the parts are included H V4 CH KN g bo H A gccumcucmenc abc D a LJ 1 x Kohler Purist or Stillness Thermostatic Mixer WS 2 x wall Plugs LJ 2 x Concealing Plates SS Rep LJ ip pp Rep 2xNo8x1 NO NO Securing Screws J1x2 5 mm Hexagon Key LJ 2 x Compression Nuts L 1x 0 K
14. re 1 2 Turn on the Thermostatic Mixer to the maximum temperature i e fully anticlockwise and allow the temperature to stabilise Remove the Concealing Cap loosen the Control Knob Grubscrew by approximately 4 turns with the 2 5 mm Hexagon Key supplied and pull off the Control Knob Remove the Hub Adaptor and unscrew the Hub Retaining Screw with a 2 5 mm Hexagon Key supplied Note Do not remove the Hub Insert the 2 5 mm Hexagon Key into the centre of the Spindle and engage with the recessed Temperature Adjusting Screw Rotate the Hexagon Key until the required maximum temperature is obtained at the discharge point Anticlockwise to increase the temperature or clockwise to decrease the temperature turn 1 C Hub Adaptor Control Knob Once the desired maximum blend temperature has been achieved turn Hub Retaining off the Thermostatic Mixer by rotating Sec the Hub Note Do not remove the Hub Grubscrew ae Refit the Hub Retaining Screw and Hub Adaptor Refit the Control Knob with the AA Grubscrew at the bottom retighten the Hexagon Key Grubscrew and refit the Concealing Concealing Cap d Cap 1073806 W2 B 17 OPERATION Kohler Purist Stillness Thermostatic Mixers are Thermostatic Shower Controls with a Single Sequential Control Knob for on off and temperature control The Control Knob operates anti clockwise in the following sequence Maximum Preset Temperature Off ma Cold ma Warm m
15. s Using the o Installation Template as a guide mark the pipe positions on the ceiling and set the 35 mm centres from the finished wall refer to illustration For Rising Supplies Using the Installation Template as a guide mark the pipe positions and set the 35 mm centres from the finished wall 1073806 W2 B 13 Wall Plugs 2 5 Fit the supply pipework 35 mm from the finished wall surface to the centre of the pipes Note The inlet connections are Hot Left Cold Right as standard If the hot and cold water supply pipes have been reversed complete the installation then refer to section Reversed Inlet Supplies before commissioning 2 6 Loosen the Grubscrew with the 2 5 mm Hexagon Key supplied and remove the Trim Ring some models and Backplate from the Thermostatic Mixer 2 7 Secure the Backplate to the wall using the Securing Screws supplied Caution It is essential at this point that the supply pipework is thoroughly flushed through before connection to the Thermostatic Mixer Failure to do so may result in product malfunction 2 8 Fit the Compression Nuts and Olives onto the pipework 2 9 Refit the Trim Ring some models and align the Thermostatic Mixer with the pipework and fit onto the Backplate 2 10Tighten the Compression Nuts onto the Thermostatic Mixer with a suitable Spanner Caution Take care not to damage the chrome surfaces
16. transferable Commercial Business Use Any Kohler Bathroom product used within a commercial business premise is guaranteed for 1 Year against any defect of materials or workmanship Not Covered by this Guarantee Damage or defects arising from incorrect installation improper use or lack of maintenance Installed product damaged in transit Consequential loss damage or product removal and installation costs General wear and tear This guarantee is in addition to your statutory and other legal rights Kohler Mira Ltd Cromwell Road Cheltenham GL52 5EP The company reserves the right to alter product specifications without notice To Contact Us Kitchen and Bathroom Taps and Accessories Tel 0870 240 7896 Fax 01242 282 595 Email technical mirashowers com Website www kohleruk com Showers and Fittings Tel 0870 241 0888 Fax 01242 282 595 Email technical mirashowers com Website www kohleruk com All other Kohler Products Tel 0870 850 5551 Fax 0870 850 5552 Email info kohleruk com Website www kohleruk com KOHLER 1073806 W2 B B93D Kohler Mira Limited February 2008
17. uling on the plumbing Elbows Fit the supply pipework Hot Left Cold Right The pipework must project 18 mm from the finished wall surface at 153 mm centres use the Installation Template as a guide Note If the connections are reversed complete the installation then refer to section Reversed Inlet Supplies before commissioning 18 mm from finished wall surface 32 mm sj T 10 mm minimum between Elbow and finished wall surface 1 Elbow Backplate Apply Silicone 32 mm x 10 mm depth for Concealing Plates Securing Screws Concealing Plates A Sealant 1073806 W2 B 11 1 6 Loosen the Grubscrew with the 2 5 mm Hexagon Key supplied and remove the Trim Ring some models and Backplate from the Thermostatic Mixer 1 7 Secure the Backplate to the wall using the Securing Screws supplied 1 8 Fit the Concealing Plates Note Apply silicone sealant to the back face of the flange Caution It is essential at this point that the supply pipework is thoroughly flushed through before connection to the Thermostatic Mixer Failure to do so may result in product malfunction 1 9 Fit the Compression Nuts and Olives onto the pipework 1 10Refit the Trim Ring some models and align the Thermostatic Mixer with the pipework and fit onto the Backplate 1 11 Tighten the Compression
18. val Socket clockwise to lock the lugs into the Hub and pull the Cartridge from the Mixer Body 7 Rotate the Cartridge 180 Body Slot 2 Cartridge Removal Socket Hub Adaptor Bearing Control Knob Cartridge Seal Grubscrew Hexagon Key 1073806 W2 B 15 Concealing Cap 10 11 12 Check that the two Cartridge Inlet Seals are fitted and carefully push into the Body aligning the Cartridge Lugs into the Body Slots Note Make sure that the Cartridge Lug stamped H is aligned with the hot inlet supply Important Take care when fitting the Cartridge as damage to the Cartridge Inlet Seals may result in dripping from the Shower Head Tighten the Nut by turning the O Key clockwise Note Use the Cartridge Removal Socket and O Key together Align the lugs on the Bearing with the slots in the Body and fit in position Make sure that the Hub is positioned fully clockwise and refit the Hub Adaptor and Control Knob with the Grubscrew at the bottom retighten the Grubscrew and refit the Concealing Cap Before using the Shower refer to section Commissioning 1073806 W2 B 16 COMMISSIONING Maximum Temperature Setting The Maximum Temperature of the Thermostatic Mixer is factory set to approximately 43 C If adjustment is required set the maximum temperature as follows Note Make sure that the hot water temperature is at least 10 C above the required maximum showering temperatu
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