MIRA SELECT INSTALLATION & USER GUIDE
Contents
1. Backplate securing hole Note Securing Brackets shown in preferred position to allow the Compression Nuts to be tightened 8 Making sure that the mixing valve is level mark the positions for the countersunk fixing holes on the wall 9 For solid walls drill two 6 mm holes for the wall plugs Caution Do not drill into pipes or electrical cables buried in the wall 10 Fit the wall plugs provided and secure the mixing valve to the wall with the screws supplied Note For stud partition installations alternative fixings may be required not supplied Connect the hot and cold supply pipes and tighten the compression nuts Caution Make sure that the olives are fitted and all pipework is flushed through before connecting to the mixing valve 1 12 12 Connect the outlet pipework and install the RAC assembly or BIR assembly before continuing with the installation of the mixing valve RAC assembly go to section Installation RAC Assembly BIR assembly refer to your shower fittings installation and user guide and follow instructions 13 to 19 Outlet Pipe to Fittings Screws ri Hot 13 Secure the building in shroud to the mixing valve using the two shroud screws removed earlier 14 Using the building in shroud as a guide finish the wall e g tiles Caution Make sure that the finished wall is within the maximum and minimum limits and to an even depth no greater than2. Backplate Mounting Bush Backplate Release Slot 20 9 Push the elbow fully into the backplate and rotate it clockwise a click will indicate when it is locked To unlock insert a small flat blade screwdriver into the release slot on the underside then turn the elbow anticlockwise until it is released from the backplate Backplate Ci 7 IT To Lock Release Slot To Unlock 10 Locate the shroud over the elbow then carefully push until it clicks into place securely Elbow Shroud 11 This completes the installation of the RAC assembly fit the concealing plate and control assembly Refer to section Control Assembly Control Assembly Built in Model 1 Unscrew the grubscrew and pull off the temperature control knob bearing and flow control lever 2 Carefully separate the control assembly Note Use a screwdriver in the cutout to assist separation of the concealing plate from the backplate Backplate Concealing Plate Flow Control Lever Temperature Control Knob L 3 Attach the backplate using the two shroud screws removed previously Tighten the screws until the foam seal is compressed against the finished wall Do not overtighten 4 With the cutout at the bottom locate the concealing plate over the mixer engage the crosses in the concealing plate with the square recesses in the backplate and push firmly until the
3. Customer Services Fault Diagnosis Symptom Only hot or cold water from the mixer outlet Outlet temperature too hot too cold Cause Rectification JInlets reversed hot supply to cold supply Refer to section Reversed Inlet Supplies No hot or cold water reaching mixer Check the filters for any blockage Installation conditions outside operating parameters refer to sections Specifications and Commissioning Symptom Fluctuating or reduced flow rate Cause Rectification Check the showerhead hose and filters for any blockage Make sure that the maintained inlet pressures are nominally balanced and sufficient refer to section Specifications Make sure that the inlet temperature differentials are sufficient refer to section Specifications Air lock or partial blockage in the pipework Flow regulator fitted incorrectly Symptom Water leaking from showerhead Cause Rectification Normal for a short period after shut off Check that the pressures are not in excess of the specifications for the product Renew the thermostatic cartridge 25 Lubricants Silicone based lubricants must only be used on the rubber seals Caution Oil based or other lubricant types may cause rapid deterioration of seals Cleaning The chrome plated parts should be cleaned using a mild washing up detergent or soap solution rinsed and then wiped dry w
4. supplied Caution It is essential at this point that the supply pipework is thoroughly flushed through before connection to the mixing valve Failure to do so may result in product malfunction 8 Fit the compression nuts and olives onto the pipework 9 Align the mixing valve with the pipework and fit onto the backplate Minor misalignment of Flow Regulator the pipework can be accommodated by the 13 Turn on the hot and cold water supplies and inlets which are adjustable between 149 and check for leaks 154 mm centres 14 Before using the shower refer to section 10 Tighten the compression nuts onto the mixer Commissioning with a suitable spanner Caution Take care not to damage the chrome surfaces 10 Built in Thermostatic Mixer 1 Solid Wall or Stud Partition Using Securing Brackets Mounting off Front Face of Wall 1 Determine the route for the hot and cold supply pipework and for the outlet pipework When connecting to the BIV shower fittings it is recommended that the outlet be positioned above and to one side of the mixing valve This is to prevent the flexible hose from obstructing the shower controls 2 Remove the two shroud screws retain for later use and separate the mixing valve from the building in shroud 3 Determine the position of the mixing valve and draw around the building in shroud Shroud Screws retain for later use 4 Mark the routes for the hot and cold suppl
5. 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 section Specifications For Type 2 Valves see also supply conditions in section Type 2 Valves 1 The mixer must not be installed in an area where it may freeze 2 For stud partitions alternative fixings may be required 3 Isolating valves must be installed close to the Mixer for ease of maintenance 4 Pipework must be rigidly supported and avoid any strain on the connections 5 Pipework dead legs should be kept to a minimum 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 showerhead refer to illustration This is to prevent back siphonage For further information on the installation of your Shower Fittings refer to the shower fittings installation and user guide Note Only use shower fittings recommended by the manufacturer or supplier Hose Retaining Ring 25 mm Spill Over Level Installation Methods The Exposed Select Thermostatic Mixer can be installed with rear rising or falling supply inlets Note The thermostatic mixer has adjustable inlets to fit existing pipework centres between 149 mm and 154 mm For rear entry supplies refer to sec
6. 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 mixing valve to allow servicing of the hot and cold inlet filters 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 4 Using the installation template as a guide set 11 Tighten the grubscrew to secure the mixing the pipe centres 35 mm from the finished wall valve to the backplate and mark the pipe positions 5 Fit the supply pipework Hot Left Cold Right Note If the connections are reversed complete the installation then refer to section Reversed Inlet Supplies 12 Fit the shower fittings refer to your shower fittings installation and user guide Note For high pressure systems a 12 L Min flow regulator supplied can be fitted under the hose washer refer to illustration Important The fitting of this flow regulator will invalidate any TMV2 compliance due to the minimum flow rate requirements do not fit the flow regulator in these applications Wall Plugs 6 Loosen the grubscrew with the 2 5 mm hexagon key supplied and remove the backplate from the mixer 7 Secure the backplate to the wall using the screws
7. Place the backplate over the outlet pipe with the arrow pointing vertically up and tighten the two backplate screws Make sure that the foam seal abuts the finished wall surface OS RAC Backplate SF SNH ra Backplate Screws 22 Check that the blue O seal is fitted inside the backplate nut Fit the olive and the backplate nut over the outlet pipe and tighten the nut 23 Check that the second O seal black is fitted to the outside of the backplate nut Press the elbow onto the backplate make sure that the clips on the elbow engage with the backplate 24 Press the shroud over the elbow make sure that it engages with the lugs on the backplate Olive Backplate Nut Elbow Shroud 25 This completes the installation of the RAC assembly fit the concealing plate and control assembly Refer to section Control Assembly 19 Mira Select RAC 1 Before the RAC assembly can be fitted you must have first installed your built in shower control and have connected the inlet and outlet pipework Important Make sure that the outlet pipework is securely fixed and that you leave enough pipe to connect a 1 2 BSP female fitting not supplied to the RAC assembly Apply liquid sealant or PTFE tape do not use paste to the brass nipple and screw into the 1 2 BSP female fitting not supplied Important For stud partition installations screw a backnut not supplied on the rear of the
8. brass nipple Finished Wall Surface Backnut not supplied on 20 22mm 20 22 mm 1 2 BSP Female M U Fitting not supplied Solid or Dry Laminated Panel or Lined Walls Stud Partition Walls Temporarily cap off the brass nipple turn on the water supplies and check for leaks Determine the finished wall position e g tile thickness Turn off the water supply carefully uncap the brass nipple and if necessary cut to length the brass nipple must protrude through the finished wall surface by 20 22 mm Secure the building in shroud to the mixing valve using the two building in shroud screws removed earlier Using the building in shroud as a guide finish the wall e g tiles Caution Make sure that the finished wall is within the maximum and minimum limits and to an even depth no greater than 2 mm variation or the control components will not fit correctly Minimum Finished Wall Surface Finished Wall i L Maximum Finished Wall Surface 7 Remove the two building in shroud screws retain for later use and remove the building in shroud 8 Apply liquid sealant or PTFE tape to the exposed end of the brass nipple Screw the mounting bush on until the backplate is loosely clamped against the wall Then rotate the backplate and position as shown to align the arrow and release slot Tighten the mounting bush with a 24 mm A F spanner Brass Nipple Foam Seal
9. concealing plate clicks into position 5 Locate the flow control lever over the control assembly and push firmly into place 6 Fit the bearing onto the flow lever Note Align the bearing with the cutouts on the control assembly 7 Fit the shower fittings refer to your shower fittings installation and user guide Note For high pressure systems a 12 L Min flow regulator supplied can be fitted under the hose washer Important The fitting of this flow regulator will invalidate any TMV2 compliance due to the minimum flow rate requirements do not fit the flow regulator in these applications Hose Washer Flow Regulator 8 Turn on the hot and cold water supplies and check for leaks 9 Before using the shower refer to section Commissioning 21 Reversed Inlet Supplies The Mira Select thermostatic mixer is supplied with inlet connections Hot Left Cold Right and Outlet Bottom exposed models Outlet Top built in models as standard If the hot and cold water supply pipes have been reversed during installation the thermostatic cartridge must be removed and rotated 180 Exposed Model 1 Isolate the hot and cold water supplies and operate the flow control lever to relieve pressure and drain any residual water 2 Loosen the temperature control knob grubscrew with a 2 5 mm hexagonal key and pull off the temperature control knob flow control lever and bearing Bearing Flow Cont
10. 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 temperature 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 For Type 2 Valves the supply conditions specified in section Type 2 Valves Application take precedence over the operating parameters which follow 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 showerhead outlet Note For gravity fed or other low pressure systems 0 5 bar or below do not fit the outlet flow regulator For optimum perform
11. temperature is at least 55 C and that there is sufficient supply For Type 2 installations the maximum blend temperature is determined by the application refer to section Type 2 Valves Application 1 Turnon the mixer to the maximum temperature and maximum flow i e fully anticlockwise and allow the temperature to stabilise If the temperature is too hot or too cold adjust as follows 2 Loosen the temperature control knob grubscrew with the 2 5 mm hexagon key supplied and pull off the temperature control knob 3 Insert the 2 5 mm hexagon key into the centre of the green hub and engage with the hidden temperature adjusting screw 4 Turn the hexagon key until the required maximum showering temperature is obtained Turn anticlockwise to increase or clockwise to decrease the temperature turn approximately 1 C 5 Once the desired maximum blend temperature has been achieved turn off the shower 6 Refit and secure the temperature control knob 7 Check that the showering temperature is correct If the correct temperature setting cannot be achieved refer to section Fault Diagnosis OPERATION Turn the Flow Control Lever anticlockwise to the preset maximum flow Turn the Temperature Control Knob clockwise to decrease the temperature and anticlockwise to the preset maximum temperature USER MAINTENANCE If you require a Mira trained service engineer or agent refer to section
12. 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 mixing valve to allow access to the hot and cold inlet filters for servicing 2 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 3 Drill the holes for the supply pipes at 153 mm centres 4 Create a recess in the wall to allow for the concealing plates 32 mm x 10 mm deep Note Depth must be sufficient to prevent the concealing plates fouling on the plumbing elbows 5 Fit the supply pipework Hot Left Cold Right The pipework must project 13 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 32 mm x 10 mm depth for Concealing Plates Backplate 13 mm from finished wall surface Apply Si Concealing Plates ers T gt 32mm H 10 mm minimum le gt between elbow Elbow and finished wall surface 6 Loosen the grubscrew with the 2 5 mm hexagon key supplied and remove the backplate from the mixing valve 7 Secure the backplate to the wall using the screws supplied 8 Fit the c
13. 2 mm variation or the control components will not fit correctly Minimum Finished Wall Surface Finished Wall i LU Maximum Finished Wall Surface 15 Remove the two shroud screws retain for later use and remove the building in shroud 16 Fit the concealing plate and control assembly Refer to section Control Assembly 13 2 Solid Wall or Stud Partition Using Rear Fixing Points on the Thermostatic Mixer 1 Refer to section 1 Solid Wall or Stud Partition Using Securing Brackets Mounting off Front Face of Wall and follow steps 1 to 4 2 Cut away the plasterboard and or brick work to the required depth Important This depth X will depend on the finished wall thickness e g tiles or facia board Refer to the table for this measurement For stud partitions depth X refers to the distance from the rear mounting e g timber noggin to the front of the wall before tiling Finished Wall Surface Rear Fixing Finished Wall Thickness Depth X Finished Wall Thickness e g tile and adhesive X 14 3 Make sure that the mixing valve is level central in the hole and square to the finished wall surface This is to make sure that the control assembly will fit correctly Mark the positions of the fixing screw holes on the wall For solid walls drill two 6 mm holes for the wall plugs Insert the wall plugs suppli
14. 241 0888 Mon to Fri 8 00 am 5 30 pm Sat 8 30 am 3 30 pm E mail technical mirashowers com Fax 01242 282595 By Post Cromwell Road Cheltenham Gloucestershire GL52 5EP Eire Modern Plant Ltd Dublin Telephone 01 459 1344 Mon to Fri 9 00 am 5 00 pm E mail sales modernplant ie Fax Dublin 01 459 2329 Post Otter House Naas Road Clondalkin Dublin 22 Modern Plant Cork Telephone 021 496 8755 Mon to Fri 9 00 am 5 00 pm E mail cork modernplant ie Fax 021 496 8607 Post Tramore Road Cork mira oo SHOWERS FM 14648 Kohler Mira Limited February 2008
15. 5 150 Select RAC Mounting Pack Brass Nipple Select RAC Shroud chrome Energise RAC Mounting Pack Flow Lever Adaptor Pack Concealing Plate Assembly Handle Pack Key Energise RAC Shroud chrome Temperature Hub Assembly Cartridge Assembly Seal Pack identified A Filter Pack x 2 Screw Pack identified B Component Pack 12 L Min Flow Regulator Outlet Connector Pack Elbow Assembly 1595 149 1592 150 1595 066 2 off 411 66 1595 035 1595 071 1592 088 NOTES 30 NOTES 31 CUSTOMER SERVICE Guarantee of Quality Mira Showers guarantee your product against any defect in materials or workmanship for the period shown in the Guarantee Registration Document included with your shower Alternatively to confirm the applicable guarantee period please contact Customer Services To validate the guarantee please return your completed registration card Within the guarantee period we will resolve defects free of charge by repairing or replacing parts or modules as we may choose To be free of charge service work must only be undertaken by Mira Showers or our approved agents Service under this guarantee does not affect the expiry date The guarantee on any exchanged parts or product ends when the normal product guarantee period expires Not covered by this guarantee Damage or defects arising from incorrect installation i
16. Design Registration Patents GB 2 291 693 2 392 225 2 421 297 Euro 1 672 257 DE FR GB IT NL SE USA 7 240 850 Patent Applications GB 2 435 077 Euro 03254070 0 USA US 2007 0221740 A1 Design Registration 000578463 0004 0006 PACK CONTENTS Tick the appropriate boxes to familiarise yourself with the part names and to confirm that all of the parts are included Mira Select Exposed 0 U2x Concealing Plates U2x Compression Nuts U 2 x Olives U 1 x 12 L Min Flow Regulator U 1x2 5mm Hexagon Key U 2x No8 x 11 Screws 0 2 x Wall Plugs Documentation U1 x Guarantee Registration Document U 1x Installation Template Mira Select Built In 1 x Mira Select Shower Control attached to the Building in Shroud l1 U 4 x Control Assembly CL 3x Compression Nuts C 3 x Olives L 4 x 12 L Min Flow Regulator U 1x2 5mm Hexagon Key 0 2 x Wall Plugs U 2x No8 x 11 Screws L 2x M5 x 40 mm Screws 0 o O U 2x Securing Brackets 0 o O Ke Ke O 2 x Bracket Screws U 1 x RAC Assembly SAFETY WARNINGS SPECIFICATIONS Mira 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
17. ance supplies should be nominally equal Temperatures Factory Pre set Blend Shower 41 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 e 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 has a minimum differential of 12 C from either supply temperature Connections inlets 15 mm Compression Outlet BSP Flat Face 15 mm Compression Standard connections are hot left cold right outlet bottom Exposed models top Built in models Dimensions 71 149 154 67 85 me e t ama d as H H O __ aS 30 e Ti Building in Depth All dimensions in mm gt 183 Flow Rates Typical Flow Rates on Low Pressure Systems 0 1 bar to 1 bar Mira Select with Mi
18. as flow rate fallen significantly or fallen below minimum flow specification No Yes Check and clean checkvalves strainers and outlet Measure and record blend temperature and flow rate Carry out a performance check Refer to the commissioning procedure Has the blend temperature changed by more than 2 C from the previous recorded value Yes No Refer to section Fault Diagnosis Carry out the commissioning procedure lt a Note All measurements and results should be recorded in the Log Book SPARE PARTS Exposed Thermostatic Mixer 090 95 Pipe concealing plate x 2 1062476 Backplate 1062477 Filter Pack x 2 1062478 Elbow Connector Pack 1062479 Outlet Connector Pack 1592 080 Handle Pack 1592 081 Handle Adaptor Pack 1592 082 Elbow Assembly 1592 083 Adjustable Inlet 1592 084 Filter Cap x 2 1592 085 Seal Pack identified A 1595 036 Temperature Hub Assembly 1595 039 Cartridge Assembly 1595 067 Screw Pack identified B 1595 071 12 L Min Flow Regulator 1595 231 Key 1592 083 1062477 lt gt D ener 7 2 off 1062478 1062476 1592 080 1592 081 28 Built in Thermostatic Mixer 411 22 411 66 413 57 450 20 1592 086 1592 087 1592 088 1592 231 1595 035 1595 036 1595 039 1595 046 1595 066 1595 067 1595 070 1595 071 1595 149 159
19. ed and secure the mixing valve to the wall with the screws provided Note For stud partition installations alternative fixings may be required not supplied to fix the mixing valve to the rear face of the wall cavity or to a timber noggin Outlet Pipe to Fittings Cold Hot Refer to section 1 Solid Wall or Stud Partition Using Securing Brackets Mounting off Front Face of Wall and follow steps 11 and 12 i 3 Laminated Panel ms Fixing Hole oq Using Securing Brackets ae Mounting on Rear Face of Wall 5 Filter Plug Note For laminated panels the mixing valve must be positioned from the rear of the panel Panel thickness must be between 4 and 12 mm If a thicker panel is used it will be necessary to recess the securing brackets into the rear of the panel Important Make sure that there is a minimum clearance of 64 mm behind the laminated panel to accommodate the mixing valve 1 Remove the two shroud screws retain for later O T Hole M5 Fixing Hole use and separate the mixing valve from the Backplate Securing o building in shroud 5 Position the mixing valve on the front of the panel make sure that it is level and central rier in the hole then mark the position of the M5 tiny fixing holes retain for later use Important Make sure that t
20. he correct holes are used refer to illustration Note Make sure that the filter plugs are positioned so that they can be removed for servicing 6 Drill the two 5 5 mm holes for the fixing positions countersink the holes at the front 2 Mark the position of the mixing valve using the building in shroud as a guide 7 Secure the mixing valve on the rear of the panel with the M5 x 40 mm screws as shown 3 Carefully cut out the laminated panel 4 Secure the securing brackets to the mixing valve with the bracket screws Important The securing brackets must be fixed vertically as illustrated Important Make sure that the correct holes are used otherwise the backplate cannot be fitted M5 x 40 mm Fixing Screws 15 Fit the hot and cold supply pipes hot left cold right and tighten the compression nuts Caution Make sure that the olives are fitted and all pipework is flushed through before connecting to the mixing valve Outlet Pipe to Fittings Cold Connect the outlet pipework and install the RAC assembly or BIR assembly before continuing with the installation of the mixing valve RAC assembly go to section Installation RAC Assembly BIR assembly refer to your shower fittings installation and user guide 10 Fit the concealing plate and control assembly Refer to section Control Assembly 16 RAC Assembly There are two types of RAC assembly available depe
21. ifications without notice www mirashowers com Spare Parts We maintain an extensive stock of spares and aim to provide support throughout the product s expected life Spares can be purchased from approved stockists or merchants locations on request or direct from Customer Services Spares direct will normally be despatched within two working days Payment can be made by Visa or MasterCard at the time of ordering Should payment by cheque be preferred a pro forma invoice will be sent All spares are guaranteed for 12 months from date of purchase Spares that have been supplied directly from us can be returned within one month from date of purchase providing that they are in good order and the packaging is unopened Note Returned spares will be subject to a 15 restocking charge and authorisation must be obtained before return Please contact our Customer Services Team Note In the interests of safety spares requiring exposure to mains voltages can only be sent to competent persons Service Our Service Force is available to provide a quality service at a reasonable cost You will have the assurance of a Mira trained engineer agent genuine Mira spare parts and a 12 month guarantee on the repair Payment should be made directly to the engineer agent using Visa MasterCard or a cheque supported by a banker s card To Contact Us England Scotland Wales and Northern Ireland Mira Showers Customer Services Telephone 0870
22. ith a soft cloth Warning Many household cleaners contain abrasive and chemical substances and should not be used for cleaning plated or plastic fittings Do not use descalents on this product In service Tests The principal means for determining the continuing satisfactory performance of the mixing valve is the in service test Follow the procedure detailed in the flow diagram In service Test Procedure Frequency of In service Tests Commercial non domestic installations Check for correct blend setting every 6 months Follow the procedure detailed in the flow diagram In service Test Procedure every 12 months Inlet Filters 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 mixing valve is operated without the inlet filters fitted the warranty on the product will be void Exposed Models 1 Isolate the hot and cold water supplies and operate the flow control lever to drain any residual water 2 Carefully remove the filter caps and unscrew the filter plugs with the O key supplied or a 12 mm hexagonal wrench Remove the filters Seal Filter Plug 3 Clean the filters under a jet of water to remove any lodged particles 4 Refit the filters and tighten the filter plugs Note Make sure that the O seal is fitted correctly and undamaged 5 Turn on the hot and cold water supp
23. lies and check for leaks 6 Refit the filter caps Built in Models 1 Isolate the hot and cold water supplies and operate the flow control lever to drain any residual water 2 Loosen the grubscrew to remove the temperature control knob Then remove the flow control lever 3 Carefully unclip the concealing plate from the backplate Note Use a suitable screwdriver in the cutout to assist separation 26 Backplate Concealing Plate Flow Control Lever Cutout Bearing Temperature Control Knob L 4 Unscrew the two shroud screws and remove the backplate from the mixer 5 Unscrew the filter plugs with the O key supplied or a 12 mm hexagonal wrench and remove the filters Note Use pliers to remove the filters carefully Filter Cap O Key ye 6 Clean both filters under a jet of water to remove any lodged particles 7 Refit the filters and tighten the filter caps Note Make sure that the seal is fitted correctly and undamaged 8 Turn on the hot and cold water supplies and check for leaks 9 Refit the controls in reverse order Note When refitting the bearing make sure that the cutouts are aligned with the control assembly TYPE 2 VALVES Application The approved designations for Type 2 Valves are as follows Mira Select LP S HP S The permitted application details are Pressure Designation Application Range Pressure Pressure t Mixed water te
24. mira Select MIRA SELECT THERMOSTATIC MIXER INSTALLATION amp USER GUIDE These instructions must be left with the user amp PlumbNation the nation s favourite for 4 FREE SHIPPING 4 SECURE PAYMENTS on all orders over 100 to mainland UK shop online with confidence v FINANCE AVAILABLE 4 PRICE MATCH spread the cost with low interest rates always get the best deals available we have HUGE REDUCTIONS ON THOUSANDS OF ITEMS Boilers Bathroom suites aa eae eee siecle aaah ee cena Pipes amp fittings Wet rooms Cylinders Towel warmers Fires Bathroom furniture Renewable energy amp much more C visit our website a plumbnation co uk 0844 800 3460 CONTENTS INTRODUCTION Introduction 2 Patents and Design Registration 2 Pack Contents 3 Safety Warnings 4 Specifications 4 Installation 6 Suitable Plumbing Systems 6 General 6 Installation Methods 7 Exposed Thermostatic Mixer 8 Built in Thermostatic Mixer 11 RAC Assembly 17 Control Assembly Built in Model 21 Reversed Inlet Supplies 22 Commissioning 24 Maximum Temperature Setting 24 Operation 24 User Maintenance 25 Fault Diagnosis 25 Lubricants 25 Cleaning 25 In service Tests 25 Inlet Filters 26 Type 2 Valves 27 Spare Parts 28 Exposed Thermostatic Mixer 28 Built in Thermostatic Mixer 29 Notes 30 Customer Service Back Page If you experience any difficulty with the installation or o
25. mperature at discharge point Important For TMV2 installations the mixed water temperature at the discharge point should never exceed 46 C In order to achieve the safe water temperatures expected of a Type 2 Valve it is essential that the valve is used only for the applications covered by its approved designations with the appropriate water supply pressures and temperatures and it is commissioned maintained and serviced in accordance with the recommendations contained in this guide refer to the section Maintenance In Service Tests for in service test frequency that must be used as a minimum guide in Type 2 installations Supply Conditions For applications where a Type 2 Valve is required the supply conditions must comply with the values in the table below Note that both hot and cold supply pressures must lie within the same pressure range Low Operating Pressure High Range Pressure Pressure Maximum Static Pressure bar Operating Maintained Pressure Hot and Cold bar Hot Supply Temperature C 32 10 65 55 to 65 Cold Supply Temperature C Valves operating outside these conditions cannot be guaranteed to operate as Type 2 Valves lt 25 lt 25 27 Flow Diagram In service Test Program Measure and record supply temperature and pressures Make sure that they are within valve specifications Measure and record blend temperature and flow rate H
26. mproper use or lack of maintenance including build up of limescale Damage or defects if the product is taken apart repaired or modified by any persons not authorised by Mira Showers or our approved agents This guarantee is in addition to your statutory and other legal rights What to do if something goes wrong If when you first use your shower it doesn t function correctly first contact your installer to check that installation and commissioning are satisfactory and in accordance with the instructions in this manual We are on hand to offer you or your installer any advice you may need Should this not resolve the difficulty simply contact our Customer Services Team who will give every assistance and if necessary arrange for our service engineer to visit If the performance of your shower declines consult this manual to see whether simple home maintenance is required Please call our Customer Services Team to talk the difficulty through request a service under guarantee if applicable or take advantage of our comprehensive After Sales service As part of our quality and training programme calls may be recorded or monitored Our Customer Services Team is comprehensively trained to provide every assistance you may need help and advice spare parts or a service visit 013181 0393 1066764 W2 C 1592 B92F B92G Mira is a registered trade mark of Kohler Mira Limited The company reserves the right to alter product spec
27. nding on the shower fittings supplied with your product Identify your RAC assembly and follow the appropriate installation instructions Mira Energise RAC Mira Select RAC Mira Energise RAC 1 Before the RAC assembly can be fitted you must have first installed your built in shower control and have connected the inlet and outlet pipework Important Make sure that the outlet pipework protrudes through a 925 mm hole in the wall or stud partition by approximately 40 mm Note For stud partition installations where access to the rear of the partition is possible fit the RAC wallplate over the outlet pipework on the inside of the partition For stud partition installations where access to the rear of the wall is not possible follow instructions for solid wall installations making sure that suitable wall fixings not supplied are used to secure the wallplate to the outside of the stud partition RAC Wallplate shown fitted for rear access stud partitions only 17 Temporarily cap off the outlet pipe turn on the water supplies and check for leaks 3 Determine the finished wall position e g tile A thickness Turn off the water supply carefully uncap the outlet pipe and cut to length the outlet pipe must protrude through the finished wall surface by 21 23 mm Note Remove any burrs from the pipes before proceeding For solid wall installations or stud partition installations without rear access go to i
28. nstruction 11 For stud partition installations with access to the rear of the partition continue with instruction 5 Secure the building in shroud to the mixing valve using the two building in shroud screws removed earlier Using the building in shroud as a guide finish the wall e g tiles Caution Make sure that the finished wall is within the maximum and minimum limits and to an even depth no greater than 2 mm variation or the control components will not fit correctly Minimum Finished Wall Surface Maximum Finished Wall Surface Remove the two building in shroud screws retain for later use and remove the building in shroud Place the RAC backplate over the outlet pipe with the arrow pointing up The screw holes should be at 45 to the horizontal 9 Mark the positions of the two RAC backplate fixing holes and drill two 5 5 mm holes Caution Make sure that you do not drill into pipework in the wall 10 Hold the RAC wallplate in position on the rear of the partition insert the two backplate screws and secure the RAC backplate to the wallplate Make sure that the foam seal abuts the finished wall surface Go to instruction 22 RAC Backplate Backplate Screws 11 Loosely attach the RAC backplate to the RAC wallplate using the two backplate screws provided 12 Place the RAC backplate wallplate assembly over the outlet pipe with the arrow pointing vertically up The screw h
29. oles should be at 40 to the horizontal 13 Mark the positions of the two RAC wallplate fixing holes RAC Backplate s ads Backplate Screws 14 Remove the assembly from the wall and separate the backplate from the wallplate 15 For solid walls drill two 6 mm holes for the wall plugs For other types of wall structure alternative fixings may be required not supplied If necessary make a recess 6 mm deep to accept the wallplate for flush fitting of the outlet to the wall surface Caution Make sure that you do not drill into pipework in the wall 16 Fit the two wall plugs supplied and secure the wallplate to the wall with the two wallplate screws 17 Make sure that there is clearance behind the wallplate and temporarily fit the two backplate screws into the wallplate This will prevent the fixing holes from becoming blocked with plaster or grout 18 Secure the building in shroud to the mixing valve using the two shroud screws removed earlier 19 Using the building in shroud as a guide finish the wall e g tiles Caution Make sure that the finished wall is within the maximum and minimum limits and to an even depth no greater than 2 mm variation or the control components will not fit correctly Minimum Finished Wall Surface Finished Wall mi Maximum Finished Wall Surface 20 Remove the two backplate screws the two building in shroud screws retain for later use and the building in shroud 21
30. oncealing 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 mixing valve Failure to do so may result in product malfunction 9 Fit the compression nuts and olives onto the pipework 10 Align the mixing valve with the pipework and fit onto the backplate Minor misalignment of the pipework can be accommodated by the inlets which are adjustable between 149 and 154 mm centres 11 Tighten the compression nuts onto the elbows with a suitable spanner Caution Take care not to damage the chrome surfaces 12 Tighten the grubscrew to secure the mixing valve to the backplate 13 Fit the shower fittings refer to your shower fittings installation and user guide for instructions Note For high pressure systems a 12 L Min flow regulator supplied can be fitted under the hose washer refer to illustration Important The fitting of this flow regulator will invalidate any TMV2 compliance due to the minimum flow rate requirements do not fit the flow regulator in these applications 14 Turn on the hot and cold water supplies and check for leaks 15 Before using the shower refer to section Commissioning Rising or Falling Supplies Loosen the grubscrew on each elbow using the 2 5 mm hexagon key supplied and rotate the elbow 90 as required Retighten the grubscrews
31. peration 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 Thank you for purchasing a quality Mira 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 Mira Select thermostatic mixer is a shower control with separate flow and temperature controls The thermostatic mixer incorporates a wax capsule temperature sensing unit which provides an almost immediate response to changes of temperature of the incoming water supplies to maintain the selected showering temperature An adjustable temperature stop is provided which limits the maximum temperature to a safe level Inlet filters are fitted to protect the thermostatic cartridge Mira Select Exposed Thermostatic mixer for connection to rising falling or rear entry pipework Mira Select Built in Thermostatic mixer for connection to concealed pipework Includes a right angle connector RAC for connecting concealed pipework to exposed shower fittings This product has been certified as a Type 2 valve under the BUILDCERT TMV2 scheme This product also complies with the water supply water fittings regulations 1999 Optimum performance of the Mira Select is achieved when used together with Mira Select or Mira Energise Shower Fittings Patents and
32. ra Fittings 20 oa P N ej Flow Rate L Min Ae O 0 02 04 06 08 10 12 14 16 Supply Pressure Bar Typical Flow Rates on High Pressure Systems 1 bar to 5 bar with 12 L Min Flow Regulator fitted in shower control outlet Mira Select with Mira Fittings oO Flow Rate L Min aan OO 0 1 0 2 0 3 0 4 0 5 0 Supply Pressure Bar 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
33. rol Lever Temperature Control Knob 3 Rotate the white section of the control interface clockwise by 90 and pull off the control interface and flow control lever adaptor 4 Locate the O key supplied onto the cartridge nut and turn anticlockwise Unscrew fully and pull the thermostatic cartridge from the mixing valve 22 Thermostatic Cartridge Rotate the thermostatic cartridge 180 Make sure that the two inlet seals are fitted and carefully push the thermostatic cartridge back into the mixing valve aligning the lugs into the slots Note Check that the cartridge lug stamped H is aligned with the hot inlet supply Important Take care when fitting the thermostatic cartridge Damage to the cartridge inlet seals may result in dripping from the showerhead Tighten the nut by turning the O key clockwise Refit the controls in reverse order Make sure the shower operates correctly Refer to section Commissioning Built in Model 1 Isolate the hot and cold water supplies and operate the flow control lever to relieve pressure and drain any residual water Loosen the temperature control knob grubscrew with a 2 5 mm hexagonal key and pull off the temperature control knob bearing and flow control lever Carefully unclip the concealing plate from the backplate Note Use a suitable screwdriver in the cutout to assist separation Backplate Concealing Pla
34. te Flow Control Lever Cutout Bearing Temperature Control Knob Unscrew the two backplate screws and remove the backplate Pull off the red flow lever adaptor Locate the O Key supplied onto the cartridge nut and turn anticlockwise Unscrew fully and pull the thermostatic cartridge from the mixing valve Thermostatic Cartridge Backplate 23 7 8 9 Rotate the thermostatic cartridge 180 Make sure that the two inlet seals are fitted and carefully push the thermostatic cartridge back into the mixing valve aligning the lugs into the slots Note Check that the cartridge lug stamped H is aligned with the hot inlet supply Important Take care when fitting the thermostatic cartridge Damage to the cartridge inlet seals may result in dripping from the showerhead Tighten the nut by turning the O key clockwise 10 Refit the controls in reverse order Note When refitting the bearing make sure that the cutouts are aligned with the control assembly 11 Make sure the shower operates correctly Refer to section Commissioning COMMISSIONING Maximum Temperature Setting Before using the shower the maximum temperature must be checked to make sure that it is at a safe level It has been preset to approximately 41 C at the factory but due to variations in site conditions the maximum temperature may need adjustment Note Make sure that the hot water
35. tion Exposed Thermostatic Mixer 1 Rear Entry Supplies For rising or falling supplies refer to section Exposed Thermostatic Mixer 2 Rising or Falling Supplies The Built in Select Thermostatic Mixer can be installed with rising or falling supply inlets rising inlets are illustrated The thermostatic mixer can be installed using the rear fixing points or by using the securing brackets supplied on the front surface of a solid wall or stud partition or on the rear surface of a laminated panel For installation into a solid wall or stud partition using the securing brackets refer to section Built in Thermostatic Mixer 1 Solid Wall or Stud Partition Using Securing Brackets Mounting on Front Face of Wall Securing Brackets mounting on front surface of wall For installation into a solid wall or stud partition using the rear fixing points refer to section Built in Thermostatic Mixer 2 Solid Wall or Stud Partition Using Rear Fixing Points on Thermostatic Mixer Mounting using rear fixing points For installation behind a laminated panel using the securing brackets refer to section Built in Thermostatic Mixer 3 Laminated Panel Using Securing Brackets Mounting on Rear Face of Wall Securing Brackets mounting on rear surface of wall Exposed Thermostatic Mixer 1 Rear Entry Supplies rising or falling concealed pipework 1 Use the installation
36. y pipework at 108 mm centres Hot Left Cold Right Falling supplies For falling supplies loosen the grubscrew on each elbow using the 2 5 mm hexagon key supplied Remove the elbows and install on opposite sides Retighten the grubscrews Note Do not overtighten Note Make sure that the O seals are correctly fitted and that the filter plugs are positioned to the front i e hexagonal key hole facing forward 5 Mark the route for the outlet pipework Note The outlet elbow should be sited above the mixing valve and on the right or left as site dictates 11 Alternative Pipe Layouts Outlet Pipe BIR Outlet Pipe BIV v Thermostatic l i i f 1 Mixer r lt gt Hot Inlet 6 Remove the plasterboard and or brick work to a minimum depth of 62 mm 6 mm Min Finished Wall Finished Wall Surface Securing Bracket I lt 24 mm Max Finished Wall 62 mm Min 7 Secure the securing brackets to the mixing valve with the bracket screws Important Make sure that the correct holes are used otherwise the backplate cannot be fitted Note The securing brackets can be rotated for suitable fixing points Countersunk Fixing Hole Rotate for Suitable _7 Fixing Point Rear Fixing Point O T
Download Pdf Manuals
Related Search