INSTALLATION & USER GUIDE THERMOSTATIC
Contents
1. MIRA MYLINE THERMOSTATIC MIXER INSTALLATION amp USER GUIDE These instructions must be left with the user CONTENTS Introduction 2 Guarantee 2 Patents and Design Registration 3 Safety Warnings 4 Pack Contents 5 Specifications 6 Pressures 6 Temperatures 6 Thermostatic Shut down 6 Connections 6 Dimensions 6 Installation 7 Suitable Plumbing Systems 7 General 7 Flow Regulator 7 Installing the Thermostatic Mixer 8 Commissioning 10 Maximum Temperature Setting 10 Installing the Shower Fittings 11 Operation 13 Flow Control 13 Temperature Control 13 User Maintenance 15 Fault Diagnosis 15 Lubricants 15 Cleaning 15 Spray Plate Assembly 16 Cloud Spray Plate Assembly 16 Spare Parts 17 Accessories 19 Customer Service 20 If you experience any difficulty with the installation or operation of your new thermostatic mixer please refer to Fault Diagnosis before contacting Mira Showers 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 MyLine is a thermostatic mixer which has separate flow and temperature controls The Mira MyLine is an exposed valve with an integral slidebar and hose to a 360 Showerhead2. Cold Inlet ere Hot Inlet Filter Large boss must be fitted at the bottom 11 Make sure that the concealing plate with the hole at the bottom is loosely fitted over the mixing valve inlets and align the mixer with the inlet nuts Push on fully and tighten the grubscrews to secure the mixer to the backplate Make sure that the grubscrews are engaged fully in the valve body grooves Concealing Plate Inlet Filters 12 Push the concealing plate onto the backplate secure with the M4 x 12 mm grubscrew Single grubscrew secures the top inlet to the backplate 7 H H H H H H u Two grubscrews secure both the bottom inlet and the concealing plate to the backplate 13 Important A 12 litre minute flow regulator is fitted inside the outlet This can be removed for gravity fed other low pressure systems 0 5 bar or below 14 Temporarily install the hose and showerhead and commission the mixing valve Note The mixing valve must be Commissioned before the final installation of the shower fittings Securing Screw 2 Access required for temperature setting Note Ensure the sealing washers are installed into the hose 10 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 43 C at the factory but due to variation
3. 1778 020 Hose Retaining Ring 1688 200 Showerhead 1603 104 Shower Hose 1778 021 Slidebar 1688 160 Rain Assembly White 1778 022 Wall Bracket Assembly 1688 162 Storm Assembly White 1688 164 Cloud Assembly White 1688 166 Burst Assembly White 1688 168 Seal amp Screw Pack Components Identified A 1688 184 Seal amp Screw Pack Components Identified B 1668 185 Clamp Bracket 1688 200 360m Showerhead 1688 275 Cloud Assembly LC Low Capacity White 1778 020 Hose Retaining Ring 18 ACCESSORIES Genuine Mira accessories can be purchased direct from Customers Services our contact details can be found on the back cover of this guide or from approved stockists or merchants Eco Showerhead White 2 1668 001 Chrome 2 1668 002 The Eco shower head gives you an invigorating shower but reduces water consumption and heating costs Mira Standard Grab Bars 300 mm 2 1605 070 450 mm 2 1605 071 600 mm 2 1605 072 Premium grade highly polished stainless steel grab bars Note Must be installed onto a solid wall Everclear Showerhead White 2 1616 030 Chrome 2 1616 031 Mira s new Everclear range has been specially designed for hard water areas and reduces the risk of lime scale build up Wall Mounted Soap Dish White 1 1540 278 Chrome 1 1540 279 Wall mounted for use anywhere in or outside the showering area Shower Seat White 2 1536 128 White Chro
4. The thermostatic mixer incorporates 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 mechanism Guarantee For domestic installations Mira Showers guarantee the Mira MyLine against any defect in materials or workmanship for a period of five years from the date of purchase and the shower fittings for one year For terms and conditions refer to the back cover of this guide Recommended Usage Application Vay gt with Fittings Domestic v Light Commercial x Heavy Commercial x Healthcare x Patents and Design Registration Pates o US 2006 0124758 A1 US 2010 0123013 A1 US 2010 0219255 A1 Design Registration GB 001240527 0001 Patent Applications European 07015846 4 SAFETY WARNINGS Mira thermostatic mixers are precision engineered and should give continued safe and controlled performance provided 1 2 They are installed commissioned operated and maintained in accordance with manufacturer s recommendations Periodic attention is given when necessary to maintain the product in good functional order Caution 1 2 3 Read all of these instruct
5. supply Rework inlet pipework No hot water reaching mixer Check the filters for any blockage Installation conditions outside operating parameters refer to sections Specifications and Commissioning Ifthe temperature is too cold and you have a combination type boiler it may not be producing sufficiently hot water at desired flow rate refer to Specifications Fit flow regulator supplied to shower valve outlet For more information contact Mira Showers or visit the website 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 Flow regulator fitted incorrectly Air lock or partial blockage in the pipework Symptom Water leaking from showerhead Cause Rectification Normal for a short period after shut off e the specifications for the product Renew the mixer valve assembly Check that the pressures are not in excess of 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 deterg
6. ed representative Note if a service visit is required the product must be fully installed and connected to services Repair under this guarantee does not extend the original expiry date The guarantee on any replacement parts or product ends at the original expiry date e For shower fittings or consumable items we reserve the right to supply replacement parts only The guarantee does not cover e Call out charges for non product faults such as damage or performance issues arising from incorrect installation improper use lack of maintenance build up of limescale frost damage corrosion system debris or blocked filters or where no fault has been found with the product Water or electrical supply waste and isolation issues e Compensation for loss of use of the product or consequential loss of any kind e Damage or defects caused if the product is repaired or modified by persons not authorised by us or our appointed representative Routine maintenance or replacement parts to comply with the requirements of the TMV 2 or TMV 3 healthcare schemes What to do if something goes wrong If your product does not function correctly when you first use it contact your installer to check that it is installed and commissioned in accordance with the instructions in this manual Should this not resolve the issue contact our Customer Services Team who will offer you or your installer advice and if applicable arrange for a Service Technician t
7. ent or soap solution rinsed and then wiped dry with a soft cloth 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 with a mild washing up detergent or soap solution and then wiped dry using a soft cloth Use your thumb or a soft cloth to wipe any limescale from the soft nozzles and the front surface of the showerhead spray plate Do not use descalents on this product Spray Plate 1 Use your thumb or a soft cloth to wipe any limescale from the soft rubber nozzles and the front face of the spray plate assembly Important The sprayplate must be regularly cleaned to make sure that the showerhead does not become blocked Use your thumb or a soft cloth to wipe any limescale from the soft nozzles Spray Plate Assembly 1 Use a suitable tool to remove the grommets 2 Using the 2 5 mm hexagonal wrench supplied remove the screws 3 Separate the sprayplate assembly into its individual components 4 Clean or replace components as necessary Note Make sure that the seals are located correctly 5 Reassemble the components in reverse order Grommet Screws Replacing the Sprayplate or Seals Cloud Spray Plate Assembly This product is supplied configured for the majority of showering systems including electric showers Note for showers with a pressure of below 0 15 bar 1 5 met
8. ill over level of the shower tray bath and the showerhead refer to illustration This is to prevent back siphonage Note Only use Shower Fittings recommended by the manufacturer or supplier 25 mm Spill Over oD a F Level Flow Regulator Site conditions will determine the flow regulator requirements For gravity fed other low pressure systems 0 5 bar or below remove the outlet flow regulator Flow regulators are supplied with this product and should be fitted in High Pressure systems to either 1 Reduce Excessive Force and Flow Rate 2 Reduce Noise through the mixer due to high or unequal pressures 3 Stabilise incoming supply temperatures Installing the Thermostatic Mixer 1 The thermostatic mixer must be fitted vertically as illustrated and can only be installed with rear supply inlets The supply pipework must be connected as follows Cold to Top Inlet Hot to Bottom Inlet Bottom Outlet Important This product does not allow for reversed inlets Determine the route for the hot and cold supply pipework Important Make sure that there is sufficient headroom and ceiling clearance to install the integral slidebar Cold PRSS i Outlet Loosen the 2 backplate grubscrews with the 2 mm hexagonal key supplied and pull the mixer and concealing plate from the backplate Unscrew the inlet nuts from the bac
9. ions Retain this guide for later use Pass on this guide in the event of change of ownership of the installation site Follow all warnings cautions and instructions contained in this guide 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 Rapid Excessive movement of the flow and or temperature control levers may result in momentary unstable blend temperatures Care is required when adjusting flow or temperature Make sure that the temperature has stabilised Do not remove or tighten the body grubscrews E Caution Do not remove or tighten these grubscrews 9 Care must be taken when positioning the thermostatic mixer Make sure that there is sufficient headroom and ceiling clearance to install the integral slidebar and Showerhead 10 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 PACK CONTENTS Tick the appropriate boxes to familiarise yourself with the part names and to confirm that all of the parts are included Mira MyLine Mixer Mira MyLine Shower Fittings x Concealing Plate 0 1 x Wall Plugs A 1 x Thermo
10. kplate Concealing Plate laa 5 Using the backplate as a guide mark the positions of the fixing holes and the pipe centres Important Make sure that there is sufficient headroom and ceiling clearance to install the integral slidebar Note Make sure that the backplate is the correct way up refer to illustration Large boss must be fitted at the bottom 6 For solid walls drill the fixing 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 7 Drill the holes for the supply pipes and fit the supply pipework Cold to Top Inlet Hot to Bottom Inlet Note The inlet pipework should extend between 12 and 18 mm from the finished wall surface Caution Make sure that the pipework is not damaged otherwise the olives will not seal 8 Fit the backplate over the inlet pipes and secure to the wall using the fixing screws supplied 9 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 10 Fit the olives onto the inlet pipework and tighten the inlet nuts using a suitable spanner Caution Do not overtighten Important Make sure that the inlet filters are fitted in the inlet nuts as illustrated Fixing Screws
11. me 2 1536 129 For use in or out of the showering area Folds up when not in use Maximum User Weight 127 kg 20 stone Note Must be installed onto a solid wall J Checkvalve 360m and 360r 1688 282 19 Premium Shower Seat White Chrome 2 1731 001 Grey Chrome 2 1731 002 Stylish slim line and robust shower seat for use in or outside of the shower area Folds up when not in use Maximum User Weight 150 kg 23 5 stone Note Must be installed onto a solid wall CUSTOMER SERVICE Guarantee Your product has the benefit of our manufacturer s guarantee which starts from the date of purchase To activate this guarantee please return your completed registration card visit our website or free phone 0800 0731248 within 30 days of purchase UK only Within the guarantee period we will resolve defects in materials or workmanship free of charge by repairing or replacing parts or product as we may choose If you have not previously activated the guarantee you will be required to do so prior to the provision of assistance If you do not activate your guarantee our Engineer will be entitled to charge full payment for the visit Call out fee plus parts This guarantee is in addition to your statutory rights and is subject to the following conditions e The product must be installed and maintained in accordance with the instructions given in this user guide Servicing must only be undertaken by us or our appoint
12. o call If the performance of your product declines check in this manual to see if simple home maintenance is required If you require further assistance call our Customer Services Team Mira is a registered trade mark of Kohler Mira Limited The company reserves the right to alter product specifications without notice 1161644 W2 A B94Eb 1778 Extended Guarantees A selection of protection plans are available that enable you to cover repair bills for the life of your policy excludes Eire Ring 01922 471763 for more details Helpdesk Service Our dedicated Customer Services Team is comprehensively trained and can offer help and advice spare parts accessories or a service visit We will need you to have your model name or number power rating if applicable and date of purchase As part of our quality and training programme calls may be recorded or monitored Mira Showers Website www mirashowers co uk From our website you can register your guarantee download additional user guides diagnose faults purchase our full range of accessories and popular spares refer to our FAQ s and request a service visit Spares and Accessories We maintain extensive stocks of genuine spares and accessories and aim to provide support throughout the product s expected life Payment can be made by phone at time of order using most major Credit or Debit cards and we aim to despatch orders within two working days Items purchased f
13. o the screw hole on the wall Slidebar Support bracket is 720 mm QO Note Use a spirit level to make sure that the wall bracket is vertical Qr m 700 mm Slidebar ay 2 lt Clamp Bracket us 720 To Screw Hole Hose Retaining Ring VA N 2 Temporary install the wall bracket into the slide bar support JA Note Use the wall bracket as a guide to mark a the position of the screw hole Slidebar Support 5 After marking the position for the wall bracket remove the slidebar assembly from the thermostatic mixing valve 6 Drill one 8 mm fixing hole for the wall brackets at 720 mm from the top of the concealing plate and insert the wall plug Hole Wall Bracket 11 7 Install the wall bracket and fully tighten the fixing screw Note The slot in the wall bracket allow for minor adjustment 8 Install the slidebar assembly into the thermostatic mixing valve 9 Position the slidebar support over the wall bracket and secure with the securing screw as indicated n Clamp Bracket 27 Wall Bracket yor 10 Pass it through the hose retaining ring and install the showerhead onto the hose Note Ensure that the sealing washers are installed into the hose 11 Place the showerhead onto the clamp bracket 12 Turn on the water and check for any leaks Securing Screw N Support 2 er i Sho
14. perature 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 has a minimum differential of 12 C from either supply temperature Connections The thermostatic mixer can only be installed with rear supply inlets and the supply pipework must be connected as follows Cold Top side nearest temperature control 15 mm compression Hot Bottom side nearest flow control 15 mm compression Outlet 15 mm flat face to hose Note This product does not allow for reversed inlets and will deliver unstable temperatures if fitted incorrectly Dimensions All dimensions in mm 41 B42 Outlet h T O I z p O vR E N N 107 j a T 59 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
15. re head it might be necessary to change the Cloud sprayplate assembly for the LC Low Capacity version in order to achieve a suitable spray pattern Caution The LC sprayplate must not be used on electric showers 1 Use a suitable tool to remove the grommets 2 Using the 2 5 mm hexagonal wrench supplied remove the screws 3 Separate the sprayplate assembly into its individual components 4 Replace the Cloud assembly sprayplate with the LC version 5 Reassemble the components in reverse order o o z o o rommet Low Capacity Sprayplate Replacing the Cloud Sprayplate Assembly SPARE PARTS 1660 150 Backplate 1660 151 Concealing Plate 4 A 1660 152 1660 150 Backplate 1660 151 Concealing Plate 1660 152 Filter Pack 1660 153 Inlet Nuts and Olive 1660 155 Temperature Lever Pack Top 1660 157 Flow Lever Pack Bottom 1778 018 Mixer Valve Assembly 1778 019 Shroud Pack Not illustrated 1660 159 Screw Pack 1660 175 Seal Pack 1663 265 Flow Regulator Pack 17 Filter Pack x2 1778 019 Shroud Pack 1660 155 Temperature Lever Pack 1778 018 Mixer Valve Assembly 1660 157 Flow Lever Pack also includes Securing Nut 1778 019 Shroud Pack 1778 022 Wall Bracket w Assembly f 1688 200 360mShowerhead 1688 185 Clamp Bracket 1778 021 Slidebar 1603 104 Shower Hose includes 2 Washers
16. rom us are guaranteed for 12 months from date of purchase For safety reasons spares exposed to mains voltages should only be fitted by competent persons Returns items can be returned within one month of date of purchase providing that they are in good condition and the packaging is unopened Please obtain authorisation from our Customer Services Team before return We reserve the right to apply a 15 restocking charge Service Repairs We have a nationwide team of Service Technicians who can carry out all service or repair work to your product within the guarantee period and beyond You have the assurance of a fully trained Mira Technician genuine Mira spare parts and a 12 month guarantee on any chargeable work done Payment should be made directly to the Service Technician who will accept most major Credit or Debit cards To Contact Us UK Telephone 0844 571 5000 www mirashowers co uk E mail technical mirashowers com Fax 01242 282595 By Post Mira Customer Services Dept Cromwell Road Cheltenham Gloucestershire GL52 5EP Eire Telephone 01 459 1344 E mail sales modernplant ie Fax Dublin 01 459 2329 By Post Modern Plant Ltd Dublin Otter House Naas Road Clondalkin Dublin 22 BSI mira _ SHOWERS Kohler Mira Limited January 2011
17. s 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 1 Turn on the mixer to the maximum temperature i e fully clockwise and full flow and allow the temperature to stabilise 2 Test that the temperature of the water from the shower outlet is hot enough If the temperature is too hot or too cold adjust as follows 3 Loosen the securing screw do not remove fully and lift up the temperature lever to disengage from the control gear 4 Rotate the temperature lever anti clockwise one serration re engage with the control gear and return to the maximum temperature stop Check the temperature if it is still not hot enough repeat the procedure 5 Once the maximum temperature is satisfactory tighten the securing screw Securing Screw Pull down and rotate the temperature lever to adjust the maximum temperature 6 After commissioning of the mixing valve is complete remove the showerhead Installing the Shower Fittings 3 Temporary install the slidebar assembly into the thermostatic mixing valve 1 Install the hose retaining ring clamp bracket and the slidebar support onto the slidebar Note Some components may already be pre assembled 4 Using the wall bracket as a guide mark the position of the bottom fixing hole for the wall bracket Note The distance from the top of the a concealing plate t
18. static Mixer m Supplied fitted to the backplate gt g 1 x Wall Bracket Sy 01x Securing Screw O11 x Fixing i O 1 x Slidebar Support Screw U 1x 360m Showerhead 1x Clamp Bracket U 1 x Shower Hose 1 25 m Chrome supplied with 2x Sealing Washers O 1 x Slide Bar L 1 x M4 x 12 mm Grubscrew OO U 2x Olives RSSILS 0 4 x Wall Plugs RSPR U 4 x Fixing Screws wa L 1 x 2mm Hexagonal Key U 1 x Hose Retaining Ring 1x3mm Hexagonal Key Documentation U 1 x Guarantee Registration Document SPECIFICATIONS 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 other low pressure systems 0 5 bar or below remove the outlet flow regulator Refer to section Installation 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 tem
19. werhead Retaining Ring Sealing Washer OPERATION Flow Control Turn the flow lever anticlockwise to the maximum flow Note This shower is intended to be used with the flow control fully open If excessive water flow is experienced at the Showerhead then the flow regulator should be fitted Temperature Control Turn the temperature control lever anticlockwise to decrease the temperature and clockwise to the preset maximum temperature Off On Flow Control Temperature Control 13 Height Adjustment The height of the showerhead is easily adjusted by gently moving the clamp bracket either up or down the slide bar until the required height is achieved Changing the Spray Setting The 360 Showerhead has four different spray actions Rain Cloud Storm and Burst The showerhead features a rotating head to enable differing spray patterns to be achieved turn the showerhead in the direction shown to activate the different spray patterns Rain With Flipstream Technology 1flip action 4 unique sprays Cloud Storm 14 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 inlets reversed hot supply to cold
20. 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 section Specifications 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 make sure that there is sufficient headroom and ceiling clearance to install the integral slidebar rail and Showerhead The position of the Mixer and the Shower Fittings must provide a minimum gap of 25 mm between the sp
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