InstallatIon & User GUIde thermostatIc mIxers mIra
Contents
1. SHOWERS MIRA MOTO MIRA PACE MIRA MINILITE MIRA MINILITE ECO MIRA MINIDUO amp MIRA MINIDUO WITH ECO SHOWERHEAD THERMOSTATIC MIXERS INSTALLATION amp USER GUIDE These instructions must be left with the user CONTENTS Introduction 3 Guarantee 3 Recommended Usage 3 Patents and Design Registration 3 Pack Contents 4 Exposed Thermostatic Mixers 4 Built in Thermostatic Mixers 5 Valve Combinations 6 Safety Warnings 7 Specifications 7 Pressures 7 Temperatures 7 Thermostatic Shut down 7 Connections 7 Dimensions 8 Installation 9 Suitable Plumbing Systems 9 General 9 Exposed Thermostatic Mixers 10 Built in Thermostatic Mixers 13 Flow Regulators 18 Commissioning 21 Maximum Temperature Setting 21 Operation 22 Type 2 Valves 22 User Maintenance 24 Fault Diagnosis 24 Lubricants 24 Cleaning 24 In service Tests 24 Accessories 25 Spare Parts 26 Customer Service Back Page 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 INTRODUCTION 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 Moto Mira Minilite an2. Hot Supply Temperature C 55t0 65 55 to 65 Cold Supply Temperature C s29 lt 25 Valves operating outside these conditions cannot be guaranteed to operate as Type 2 Valves 23 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 Has 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 Has flow rate improved Yes Carry out a performance check Refer to the commissioning procedure No Has the blend temperature changed by more than 2 C from the previous recorded value tb Yes No Refer to section Fault Diagnosis Carry out the commissioning procedure Note All measurements and results should be recorded in the Log Book USER MAINTENANCE If you require a Mira trained service engineer or agent refer to section 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
3. a Drill the holes for the supply pipes at 110 mm centres Note Recess the inlet holes 19 mm x 2 mm deep to allow for the concealing plates 5 Fit the supply pipework Hot Left Cold Right The inlet pipework should extend 23 mm from the finished wall surface Note If it is not possible to install the mixer with this pipework configuration follow instruction 6 f 23 mm from finished wall surface H Elbow 110 mm Recess 019 mm x 2 mm deep 6 Reversed Inlet Supplies Only 7 Remove the backplate from the mixer by a Using a suitable tool carefully remove the loosening the grubscrew with a 2 5 mm plug cap from the centre of sealing plug hexagonal key supplied to reveal keyway 8 Secure the backplate to the wall using the b Remove the sealing plug using the O key screws supplied supplied or a 12 mm hexagonal key c Unscrew the outlet nipple using the O key supplied or a 12 mm hexagonal key Note On Mira Minilite Eco models carefully remove the flow regulator from the outlet nipple first d Refit the sealing plug and outlet nipple in the opposite outlets and tighten Note Make sure that the O seals are correctly fitted Note On Mira Minilite Eco models refit the flow regulator e Rotate the mixer 180 f The control knob s will have to be realigned this can be completed in section Commissioning Backplate Plug C
4. Telephone 0870 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 AS SHOWERS FM 14648 Kohler Mira Limited June 2008 plumbworld Big brands small prices Pdf Supplied By http www plumbworld co uk
5. D Spare Parts We maintain an extensive stock of spares and aim to provide support throughout the product s expected life Genuine Mira spares can be purchased direct from Customer Services or from approved stockists or merchants locations on request S pare parts will normally be despatched within two working days Payment can be made using most major Credit or Debit cards 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 must only be fitted by competent persons Service Repairs Our Service Force is available to provide a quality service ata 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 Paymentshould be made directly to the engineer agent who will accept most major Credit or Debit cards or a cheque supported by a banker s card To Contact Us England Scotland Wales and Northern Ireland Mira Showers Customer Services
6. Flow Regulator refer to section Flow Regulators O41 x 0 Key Mira Miniduo BIV or Mira Miniduo with Eco Showerhead BIV or Mira Miniduo with Eco Showerhead BIR U 1 x Concealing Plate Assembly or AO L 1 x RAC Assembly VALVE COMBINATIONS These thermostatic mixers are available with various shower fittings and water saving features refer to the table below to identify your mixer valve combination Flow Regulator Mixer Valve Shower Fittings Flow Rate Golour Comments L Min Moto EV Minilite EV EIA Pace EV Miniduo EV 298 Minilite BIV L14A Minilite Eco EV L14A Supplied in the component pack designed to be fitted in the shower valve outlet Po Supplied in the component pack designed to be fitted in the shower valve outlet Po Supplied in the component pack Natural designed to be fitted between the shower hose and RAC assembly ine Factory fitted in the shower valve outlet optional 8 L Min white natural flow regulator supplied separately in the component pack Factory fitted in the RAC assembly optional 8 L Min white natural flow regulator supplied separately in the component pack Minilite Eco BIV L14A Miniduo BIV L98B Miniduo with Eco L98B with Eco Showerhead EV Showerhead Supplied in the component pack Natural designed to be fitted between the shower hose and RAC assembly M Supplied in the component pack designed to be fitted between th
7. 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 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 Turn on 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 Carefully remove the concealing cap from the control knob 3 Loosen the control lever grubscrew with the 2 5 mm hexagon key supplied and pull off the control lever 4 If applicable unscrew the hub retaining screw with a 2 5 mm hexagon key Note Do not remove the hub Hub Retaining Screw Control Lever N Flow Control Lever gt 1 hs Q OSS A Grubscrew i 2 5 mm Hexagonal Key Concealing Cap SS 21 5 Insertthe 2 5 mm hexagon key into the centre of the spindle and engage with the recessed temperature adjusting screw 6 Rotate the hexagon key until the required maximum temperature is obtained at the shower Anticlockwise to increase the temperature or clockwise to decrease the tem
8. 63 159 Seal Pack components identified A 1663 162 Screw Pack components identified C R 1663 189 Component Pack components identified D 1663 265 Flow Regulator Pack containing all flow regulators for all models not illustrated 1595 035 Note All spare parts supplied individually unless Miniduo Miniduo with Eco stated otherwise Showerhead RAC Shroud 27 CUSTOMER SERVICE Guarantee of Quality Mira Showers guarantee your product against any defect in materials or workmanship provided that it is installed and maintained in accordance with the instructions given in this guide To validate the guarantee please return your completed registration card within 30 days of product installation 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 of the guarantee The guarantee on any exchanged parts or product ends when the normal product guarantee period expires Not covered by this guarantee Planned maintenance or replacement parts required to comply with the servicing requirements of the TMV 2 and TMV 3 healthcare schemes where applicable Damage or defects arising from incorrect installation improper use or lack of maintenance including build up of limescal
9. ap Sealing Plug O Seal 3 11 9 For Rear Entry Supplies Only a Fit the concealing plates over the inlet pipes Note Apply silicone sealant to the back face of the flange Concealing Plate Apply Silicone Sealant 10 Caution It is essential at this point that the supply pipework is thoroughly flushed through before connection to the mixer Failure to do so may result in product malfunction and will not be covered under the guarantee 11 Fit the compression nuts and olives onto the pipework 12 Align the mixer with the pipework and fit onto the backplate Important Make sure that the hot and cold inlets on the mixer correspond with the hot and cold inlet supplies 13 Tighten the compression nuts onto the mixer with a suitable spanner Caution Take care not to damage the chrome surfaces 14 Tighten the grubscrew to secure the mixer to the backplate Compression Nut Co 15 Fit the shower fittings refer to your shower fittings installation and user guide for instructions Important For high pressure systems above 0 5 bar make sure that the flow regulator supplied is fitted refer to section Flow Regulators 16 Turn on the hot and cold water supplies and check for leaks 17 Before using the shower refer to section Commissioning Built in Thermostatic Mixers 1 2 3 Carefully remove the concealing cap from the control knob Unscrew the grub
10. arameters which follow Pressures 9 Max Static Pressure 10 Bar Max Maintained Pressure 5 Bar Min Maintained Pressure Gravity System 0 1 Bar 0 5 Bar for models with Eco Showerhead 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 where applicable For optimum performance 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 9 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 le
11. d Mira Minilite Eco are thermostatic mixers with a single control lever for on off and temperature control The Mira Pace Mira Miniduo and Mira Miniduo with Eco Showerhead are thermostatic mixers with separate flow and temperature controls The thermostatic mixers incorporate a wax capsule temperature sensing unit which 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 a safe level Inlet filters are fitted to protect the thermostatic cartridge These productst have been certified as a Type 2 valves under the BUILDCERT TMV2 scheme They also comply with the Water Supply water fittings Regulations 1999 t Mira Minilite Eco models have a factory fitted flow regulator therefore they do not comply with the minimum flow rate requirements of the TMV2 scheme and must not be fitted in TMV2 applications Guarantee For domestic installations Mira Showers guarantee the products listed in this guide against any defect in materials or workmanship for a period of three years from the date of purchase shower fittings for one year For non domestic installations Mira Showers guarantee the products listed in this guide against any defect in materials or workmanship for a period of one year from the date of purchase For terms and conditions refer to the back co
12. e Damage or defects if the productis 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 Mira is a registered trade mark of Kohler Mira Limited The company reserves the right to alter product specifications without notice KAS 5 013181 038323 gt www mirashowers com 1082138 W2 E 1663 1694 B94A
13. e shower hose and shower valve outlet Olive Green Oo Supplied in the component pack designed to be fitted between the shower hose and RAC assembly Miniduo with Eco I L98B with Eco Showerhead BIV Showerhead Olive Green Supplied with the Eco BIR shower head designed to be fitted between the wall plate and inlet nipple Miniduo with Eco Eco BIR Showerhead BIR Showerhead Bright Green Flow regulators are supplied for installation on high pressure systems above 0 5 bar For gravity fed or other low pressure systems do not fit the flow regulator The Mira Minilite Eco has a flow regulator factory fitted in the shower valve outlet or RAC assembly on older combination boiler systems it may be necessary to replace this 6 L Min flow regulator with the 8 L Min flow regulator supplied in order to achieve the minimum flow rate required to ignite and run the boiler Mira Minilite Eco models do not comply with the minimum flow rate requirements of the TMV2 scheme and must not be fitted in TMV2 applications Important The fitting of any flow regulator will invalidate TMV2 compliance due to the minimum flow rate requirements Do not fit flow regulators in TMV2 applications For further information on how and where to fit the flow regulator refer to section Flow Regulators 6 SAFETY WARNINGS SPECIFICATIONS Mira thermostatic mixers are precision engineered and should give cont
14. ehold 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 ACCESSORIES 1663 012 Adjustable Elbow Pack This comprises extendable elbows and an adjustable backplate It is designed to allow the mixing valve to be retro fitted onto pipework extending 15 mm to 19 mm from the finished wall surface and with pipe centres of between 133 mm and 153 mm Genuine Mira accessories can be purchased direct from Customer Services our contact details can be found on the back cover of this guide or from approved stockists or merchants 15 mm to 19 mm 25 SPARE PARTS 1663 157 Exposed Models Backplate Assemb 1663 168 Pipe Concealing Plates x2 1663 159 1663 161 1663 162 1663 265 1663 154 Elbow Connector Assembly Oo e e 1663 155 1663 158 Filter Pack x2 Outlet Nipple Seal Pack components identified A Component Pack components iden
15. embly Mira Miniduo BIV A 12 L Min flow regulator natural is supplied separately in the component pack designed to be fitted between the shower hose and RAC assembly Mira Miniduo with Eco Showerhead BIV A7 0 L Min flow regulator olive green is supplied separately in the component pack designed to be fitted between the shower hose and RAC assembly 19 Flow Regulator Hose Washer RAC Assembly will vary depending on model Mira Miniduo with Eco Showerhead EV A7 0 L Min flow regulator olive green is supplied separately in the component pack designed to be fitted between the shower hose and shower valve outlet Mira Minilite Eco BIV A 6 L Min flow regulator black is factory fitted in the RAC assembly on older combination boiler systems it may be necessary to replace this flow regulator with the 8 L Min flow regulator white natural in order to achieve the minimum flow rate required to ignite and run the boiler Mira Minilite with Eco Showerhead BIR A 7 3 L Min flow regulator bright green is supplied with the BIR showerhead designed to be fitted between the wall plate and inlet nipple Refer to your shower fittings installation and user guide Shower Outlet Hose Washer Flow Regulator Hose RAC Assembly Hose Washer Flow Regulator Hose Wall Plate J Inlet Nipple reo Flow Regulator 20 COMMISSIONING Maximum Temperature
16. ft cold right outlet bottom EV models top BIV and BIR models Dimensions Moto Minilite and Minilite Eco EV T 110 See Note below 54 76 5 Pace Miniduo and Miniduo with Eco Showerhead EV 125 54 95 110 See Note below Note If you are retro fitting your mixing valve onto existing pipework an Adjustable Elbow Pack is available if required refer to section Accessories All dimensions in mm Minilite and Minilite Eco BIV 56 76 _ 39 59 2183 Miniduo BIV and Miniduo with Eco Showerhead BIV BIR 56 76 53 73 2183 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 Note On combination boiler systems we recommend that the thermostatic mixer is operated in the maximum flow position in order to achieve the minimum flow rate requ
17. hot 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 Low flow causing combination boiler to cycle Operate at preset maximum flow Mira Minilite Eco models only flow regulator causing combination boiler to cycle Replace 6 L Min flow regulator fitted with 8 L Min flow regulator supplied Symptom 9 Water leaking from the 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 24 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 with a soft cloth Warning Many hous
18. inued safe and controlled performance provided 1 They are installed commissioned operated and maintained in accordance with manufacturer s recommendations 2 Type 2 Valves are only used for applications covered by their approved designations refer to section Type 2 Valves 3 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 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 p
19. ired to ignite and run the boiler 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 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 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 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 illustratio
20. kplate Screws 30 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 31 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 32 Press the shroud over the elbow make sure that it engages with the lugs on the backplate Olive Backplate Nut Elbow Shroud will vary depending on model 33 Fit the concealing ring over the mixer and mark the positions of the three fixing holes 34 For solid walls drill three 6 mm holes for the wall plugs For other types of wall structure alternative fixings may be required not supplied Caution Make sure that you do not drill into pipework in the wall 35 Insert the wall plugs supplied and attach the concealing ring to the wall with the screws provided Important Apply silicone sealant to the groove on the rear face of the concealing ring Concealing Ring Screws Apply Silicone Sealant 36 Fit the concealing plate to the concealing ring 37 Refit the control knobs 38 Fit the shower fittings refer to your shower fittings installation and user guide for instructions Important For high pressure systems above 0 5 bar make sure that the flow regulator supplied is fitted refer to section Flow regulators 39 Tur
21. lushed through before connection to the mixer Failure to do so may result in product malfunction and will not be covered under the guarantee 12 Insert the wall plugs supplied and attach the mixer to the wall or to the timber noggin with the screws provided 13 Fit the compression nuts and olives onto the pipework connect the pipes and tighten the compression nuts Important Make sure that the outlet pipework protrudes through a 25 mm hole in the wall or stud partition by approximately 40 mm and temporarily cap off 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 Hot Supply 14 Turn on the water supplies and check for leaks 15 Determine the finished wall position e g tile 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 15 16 For solid wall installations or stud partition installations without
22. n This is to prevent back siphonage 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 25mm Spill Over D TF Level Exposed Thermostatic Mixers For Built in Thermostatic Mixers go to section Installation Built in Thermostatic Mixers 1 The thermostatic mixer can be installed with rear rising or falling supply inlets Decide on the most appropriate method for your installation and if necessary loosen the grubscrews and rotate the inlet elbows to suit Important Make sure that the elbows are pushed fully onto the mixer before tightening the grubscrews do not overtighten 2 Use the installation template to mark the positions of the holes for the backplate and the pipe centres For rising or falling supplies the pipe positions should be set 39 mm from the centre of pipe to the finished wall at 110 mm centres Note If you are retro fitting your mixing valve onto existing pipework an Adjustable Elbow Pack is available if required refer to section Accessories 3 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 Wall Plug 6 mm Drill 4 For Rear Entry Supplies Only
23. n on the hot and cold water supplies and check for leaks 40 Before using the shower refer to section Commissioning FLOW REGULATORS These thermostatic mixers are available with various shower fittings and water saving features therefore the position and type of flow regulator will vary by model For high pressure systems above 0 5 bar identify your model and install the flow regulator as illustrated where appropriate For gravity fed or other low pressure systems do not fit the flow regulator Important The fitting of any flow regulator will invalidate TMV2 compliance due to the minimum flow rate requirements Do not fit flow regulators in TMV2 applications Mira Minilite EV Mira Minilite Eco EV Mira Moto EV Mira Pace EV 18 Note A 12 L Min flow regulator red is supplied separately in the component pack designed to be fitted in the shower valve outlet On Mira Minilite Eco EV models only a 6 L Min flow regulator black is factory fitted in the shower valve outlet on older combination boiler systems it may be necessary to replace this flow regulator with the 8 L Min flow regulator white natural in order to achieve the minimum flow rate required to ignite and run the boiler Flow Regulator R N Hose Washer Hose Mira Minilite BIV A 12 L Min flow regulator natural is supplied separately in the component pack designed to be fitted between the shower hose and RAC ass
24. ng holes RAC Backplate Sig dp Backplate Screws 24 Remove the assembly from the wall and separate the backplate from the wallplate 25 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 26 Fit the two wall plugs supplied and secure the wallplate to the wall with the two wallplate screws 27 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 16 28 Finish the wall e g tiles then remove the two backplate screws Important Make sure that you use the cardboard building in shroud when finishing the wall This will protect the valve and make sure that you tile up to the correct diameter 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 controls will not fit correctly Cardboard Building in Shroud 29 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 RAC Backplate Bac
25. perature turn approximately 1 C 7 Once the desired maximum blend temperature has been achieved turn off the mixer by rotating either the hub or flow control lever depending on model fully clockwise Note Do not remove the hub 8 If applicable refit the hub retaining screw 9 Refit the control lever with the lever at the top and retighten the grubscrew 10 Check that the shower temperature is correct OPERATION TYPE 2 VALVES Mira Moto Mira Minilite and Mira Minilite Eco thermostatic mixers have a single sequential control lever for on off and temperature control The control lever operates anti clockwise in the following sequence Off On Cold Warm Maximum Preset Temperature Off Maximum Preset Temperature Mira Pace Mira Miniduo and Mira Miniduo with Eco Showerhead thermostatic mixers have separate control levers for on off and temperature The control levers operate as shown below Turn the Flow Lever anticlockwise to the preset maximum flow Off Hot Cold Turn the Temperature Control Handle clockwise to decrease the temperature and anticlockwise to the preset maximum temperature 22 Application The approved designations for Type 2 Valves are as follows Moto Pace Minilite and Miniduo Mira Minilite Eco models have a factory fitted flow regulator therefore they do not comply with the minimum flow rate requirements of the TMV2 scheme and mu
26. rear access go to instruction 21 For stud partition installations with access to the rear of the partition continue with instruction 17 17 Finish the wall e g tiles Important Make sure that you use the cardboard building in shroud when finishing the wall This will protect the valve and make sure that you tile up to the correct diameter 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 controls will not fit correctly Cardboard Building in Shroud 18 Place the RAC backplate over the outlet pipe with the arrow pointing up The screw holes should be at 45 to the horizontal 19 Mark the positions of the two RAC backplate fixing holes and drill the two 5 5 mm holes Caution Make sure that you do not drill into pipework in the wall 20 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 30 RAC Backplate Backplate Screws 21 Loosely attach the RAC backplate to the RAC wallplate using the two backplate screws provided 22 Place the RAC backplate wallplate assembly over the outlet pipe with the arrow pointing vertically up The screw holes should be at 40 to the horizontal 23 Mark the positions of the two RAC wallplate fixi
27. screw using a 2 5 mm hexagonal key supplied and pull off the control knob s Note The flow control knob must be in the off position in order to remove it Control Knob Grubscrew vo Concealing Cap Temperature Control Knob Flow Control Knob Grubscrew nA T Carefully remove the concealing ring from the concealing plate Concealing Cap Concealing Ring Concealing Plate 4 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 to one side of the mixer This is to prevent the flexible hose from obstructing the shower controls refer to illustration Alternative Pipe layouts Outlet Pipe BIV O Thermostatic Mixer Hot Inlet Outlet Pipe BIV 5 Mark the routes for the hot and cold supply pipework at 103 mm centres Hot Left Cold Right Note If it is not possible to install the mixer with this pipework configuration follow instruction 6 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 Important Make sure that the elbows are pushed fully onto the mixer before tightening the grubscrews do not overtighten 6 Reversed Inlet Supplies Only a Remove the sealing plug using the O key supplied or a 12 mm hexagonal key Remove the o
28. st not be fitted in TMV2 applications Important The fitting of any flow regulator will invalidate TMV2 compliance due to the minimum flow rate requirements Do not fit flow regulators in TMV2 applications LP S HP S The permitted application details are Application Operating Pressure Range High Pressure LP S Lo Shower TIG Pressure Max 41 C t Mixed water temperature 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 extracted from the TMV2 standard EN1287 amp EN1111 shown in the Table below Note that both hot and cold supply pressures must lie within the same pressure range High Low Pressure Pressure Operating Pressure Range Maximum Static Pressure bar Maintained Pressure Hot and Cold bar Deto
29. tified B Screw Pack components identified C Flow Regulator Pack containing all flow regulators for all models not illustrated Note All spare parts supplied individually unless stated otherwise _ 1663 160 S Outlet Plug 1663 153 Elbow Assembly 1663 152 Thermostatic Cartridge Assembly 1663 151 Hub and Bearing Assembly 1663 156 Minilite 1663 268 Minilite Eco eC Control Lever Assembly 1663 150 Moto a Control Lever Assembly eC 1663 166 Thermostatic Cartridge Assembly 9 Px RS 1663 165 NG Hub and Retainer Assembly 1663 163 Miniduo a Control Lever Assembly otc 1663 164 Pace i Control Lever Assembly fa Cc Pace Miniduo and Miniduo with Eco Showerhead Built in Models 1663 187 Backplate Assembly 1663 158 Outlet Nipple 1663 155 Filter Pack x2 10 1663 188 Elbow amp Filter Pack x2 Plate Assembly Control Lever Assembly 1663 152 i Thermostatic i ee Cartridge Assembly 5 Outlet Plug 1 1663 151 i Hub and Bearing i Assembly i 1663 186 1663 156 Minilite BL i Concealing 1663 268 Minilite Eco ec i Minilite and Minilite Eco 1663 166 Thermostatic Cartridge Assembly 1663 165 y K A AI ie Hub and Retainer Assembly 1663 163 Miniduo Control Lever Assembly aA c i Miniduo and Miniduo with Eco Showerhead 450 22 Minilite Minilite Eco RAC Shroud 16
30. utlet nipple using the O key supplied or a 12 mm hexagonal key Refit the sealing plug and outlet nipple in the opposite outlets and tighten Note Make sure that the O seals are correctly fitted Rotate the mixer 180 If necessary 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 Important Make sure that the elbows are pushed fully onto the mixer before tightening the grubscrews b c d Plug Cap Outlet Nipple Sealing Plug O Seal 7 Determine the position of the mixer and draw around the inside of the concealing ring Top Concealing Ring 14 Backplate Fixing Hole Carefully cut away the plasterboard and or Rear Mounting brick work to a depth of between 56 and 76 mm from the finished wall surface Important Take care to stay within the marked out diameter otherwise the concealing ring will not seal Finished Wall Surface 56 76 mm Fit the concealing ring over the mixer body then holding the mixer level central and square in the hole mark the positions of the two backplate fixing holes on the wall 10 For solid walls drill two 6 mm holes for the 1 wall plugs For other types of wall structure alternative fixings may be required not supplied Caution It is essential at this point that the supply pipework is thoroughly f
31. ver of this guide Recommended Usage Application save eal Fittings Domestic Vv Light Commercial Vv Heavy Commercial x Healthcare x Patents and Design Registration Patents GB 2291 693 2 340 210 2 392 225 2421 297 Euro 1 672 257 DE FR GB IT NL SE France 0 694 721 Germany 695 13 455 8 USA 7 240 850 Patent Applications Euro 03254070 0 USA 2006 0124758 A1 2007 0221740 A1 Design Registration 000793401 0005 00011 Documentation PACK CONTENTS a U 1 x Guarantee Registration Document Tick the appropriate boxes to familiarise yourself O 1 x Installation Template with the part names and to confirm that all of the parts are included Exposed Thermostatic Mixers Component Pack L 1 x Thermostatic Mixing Valve U 2 x Concealing Plates DD U 2x Compression Nuts OO U 2x Olives Mira Minilite EV or Mira Minilite Eco EV Wy O 2 x Wall Plugs R U 2 x Fixing Screws L 1 x 2 5 mm Hexagonal Key A 1 x Flow Regulator refer to section Flow Regulators Mira Moto EV U 1 x 0 Key Built in Thermostatic Mixers Documentation U 1 x Guarantee Registration Document H 1 x Thermostatic Mixing Valve 11 x Cardboard Building in Shroud Component Pack DD D L 3 x Compression Nuts OOO U 3 x Olives Mira Minilite BIV or Mira Minilite Eco BIV TIIII T 5 x Wall Plugs Tee R R R U 5 x Fixing Screws L 1 x 2 5 mm Hexagonal Key U 1 x
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