Installation & User Guide MIra Coda THErMoSTaTIC
Contents
1. Q 0 Apply Silicone Sealant to seal Pipework wall hole in wall Tighten the offset connectors using a MA spanner on the spanner flats Make AA Cold sure that the connectors are level and set at the correct distance apart J using the bar valve as a guide to spacing Screw the concealing plates onto the offset connectors until they come into contact with the wall A Concealing Plates 10 Caution Make sure that the supply pipework is flushed before installing the bar valve Assemble the bar valve with a sealing washer filter in each inlet and attach to the offset connectors Note Connections are Hot Left Cold Right Tighten the connections using a suitable spanner Install the shower fittings refer to your shower fittings installation and user guide la Sealing Washer Filter O 0 5 Turn on the hot and cold water supplies and check for leaks Before using the shower refer to section Commissioning 11 Stud Partition Laminated Panel or Unfixed Rear entry Pipework Installation For all installations using the Wall Mounting Bracket 1 Install the pipework make sure that itis set at the correct distance apart s 150 24 mm and solidly fixed 2 Screw the mounting brackets onto the offset connectors EMEN X The offset connectors must protrude 27 mm between 35 and 40 mm from the finished wall 3 The mounting bracket must extend in the same direction as the offse2. MIRA CODA THERMOSTATIC BAR VALVE Installation amp User Guide These instructions must be left with the user CONTENTS MATH OC UCU ON rM T 3 PPatelits cci E EPI LIT Ee 3 Safety Warnings ie eei essa 4 Pack COMO m 5 Specifica tiONS E 6 Pressures arnore a a a aa aa E Ea EENS a 6 Nue rust Hu HM 6 Thermostatic Shut down iseinean a dE 6 Connections scnasena aaa a a a aia aaa aaa aada 6 Dimensions ento nt ertet noinen Naiad raur eiia a unanini aD RR KYLE ERR R ERES ia 7 CIEN MEE Ba ee aca Ge eae eaaa aeea yaa hc tnd nan wun vena sation eee EEEk aE 8 Suitable Plumbing Systems ee eene ente itn 8 Cc 8 Solid Wall Installation i2 t t iex 10 Stud Partition Laminated Panel or Unfixed Rear entry Pipework Installation 12 Commissioning sie niin eei ei Ric T eri ete ERREEN 14 Maximum Temperature Setting sseee 14 Operati M e 15 Adjusting the Temperature sssssem me 15 Adjusting the F19W iiiiiii rti te tai erae aue teure 15 Maintenance reed renun anne irruit xu naue nay oR RERUM EERE ER RR YRRKRERRRRNR 16 Fault DIAGROSIS e 16 Bileczncccem C 17 ei hle 17 Maintaining the Non Return Valves sssssse 17 Spare P
3. ho Decide on a suitable position for the mixer The position of the mixer and the shower fittings must provide a minimum gap of 25 mm between the spill over level of the shower tray bath and the handset refer to illustration This is to prevent back siphonage Note Only use shower fittings recommended by the manufacturer or supplier Ring Hose Retaining 25 mm Spill Over Level Solid Wall Installation For solid wall installations the thermostatic bar valve can be supported by the pipework provided that it is securely fixed to the wall Alternatively for unfixed rear entry pipework the wall mounting bracket can be used For installation onto a stud partition laminated panel or onto unfixed rear entry pipework using the wall mounting bracket refer to section Stud Partition Laminated Panel or Unfixed Rear entry Pipework Installation 1 v Support Bracket BSP Female Connection XA Install the pipework making sure that it is set at the correct distance apart 150 x 24 mm and solidly fixed Apply suitable thread sealant not supplied and attach the offset connectors to the pipework in the wall The offset connectors must protrude between 35 and 40 mm from the finished wall Note Connections are Hot Left Cold Right This is very important as this product does not allow for reversed inlets 35 40 mm Spirit Level Es 05 o 0 Q 809 0 BEES ut 0 06
4. ained in accordance with the manufacturer s recommendations 2 Periodic attention is given when necessary to maintain the product in good functional order Caution 1 Read all of these instructions 2 Retain this guide for later use 3 Pass on this guide in the event of change of ownership of the installation site 4 Follow all warnings cautions and instructions contained in this guide 5 Anyone who may have difficulty understanding or operating the controls of any shower should be attended whilst showering Particular consideration should be given to the young the elderly the infirm or anyone inexperienced in the correct operation of the controls 6 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 the parts are included LI 1 x Mira Coda Bar Valve L12x Concealing Plates LI 2 x washers Filters Documentation L 1 x Guarantee Registration Document SPECIFICATIONS Pressures Max Static Pressure 10 Bar Max Maintained Pressure 5 Bar Min Maintained Pressure Gas Water Heater 1 0 Bar for optimum performance supplies should be nominally equal Min Maintained Pressure Gravity System 0 1 Bar 0 1 bar 1 Metre head from cold tank base to sho
5. arts erret tete nnde cna neni xa SER Po eR EE aet ek Y RR ARA ER 18 rp EE 19 Customer Service cccccceseeeceeeeseeneeeeessneeeeeeeseeeseeeeseeeeeeeeeneaes Back Page 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 Coda thermostatic bar valve is a shower control designed for wall mount installations The thermostatic bar valve has two knobs one knob controls the flow and the other knob controls the temperature The thermostatic bar valve 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 cartridge Patents GB 2407 138 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 SAFETY WARNINGS Mira thermostatic mixers are precision engineered and should give continued safe and controlled performance provided 1 They are installed commissioned operated and maint
6. d 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 01518105897 1065367 W2 E 1630 HO4A Mira is a registered trade mark of Kohler Mira Limited The company reserves the right to alter product specifications 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
7. let and attach to the offset connectors Note Connections are Hot Left Cold Right Tighten the connection using a 20 mm spanner Install the shower fittings refer to your shower fittings installation and user guide Turn on the hot and cold water supplies and check for leaks Before using the shower refer to section Commissioning 13 Concealing Plates Sealing Washer Filter PA Ds 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 a safe showering temperature under ideal conditions at the factory appropriate for most systems However site conditions and personal preference may make it necessary to reset this temperature Note Make sure that the hot water temperature is at least 55 C and that there is sufficient supply Caution Before testing the mixer make sure that the hot and cold water is flowing correctly by exercising the temperature selector knob between the cold and hot stops 1 Turn the temperature selector knob to position 7 and test that the temperature of the water from the shower outlet is hot enough 2 fnot depress the override button and carefully rotate towards position 9 If the water temperature is still not hot enough complete the following procedure 3 Rotate the temperature selector knob back to position 7 4 Using a suitable screwdrive
8. old supply Rework inlet from the mixer outlet Outlet temperature too hot too cold Fluctuating or reduced flow Water leaking from shower handset pipework No hot or cold water reaching the mixer Check the filters for any blockage Installation conditions outside operating parameters refer to sections Specifications and Commissioning Check the shower handset 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 Normal for a short period after shut off Check that the pressures are not in excess of the specifications for the product Cartridge inlet seals damaged renew Renew the flow cartridge 16 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 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 Maintaining the Non Return Valves The non
9. r carefully pry off the concealing cap and unscrew the fixing screw 5 Pull off the temperature selector knob without disturbing the stop assembly 6 Replace the temperature selector knob so that the 6 mark is in line with the stop assembly 7 Rotate the temperature selector knob to position 7 wait for the water to stabilise and test that the temperature of the water from the shower outlet is hot enough If the water temperature is still not hot enough repeat the procedure until a maximum safe temperature is achieved at position 9 8 Refit and tighten the fixing screw refit the concealing cap Temperature Selector Knob A N Concealing Cap Stop Assembly 6 Fixing Screw 14 OPERATION Adjusting the Temperature The temperature is controlled by rotating the temperature selector knob For safety reasons the temperature is limited by an override stop To obtain a higher temperature press the override button on the temperature selector knob and continue to rotate the knob Adjusting the Flow The flow is controlled by rotating the flow selector knob Decrease Temperature Override Increase Temperature Temperature Selector Knob Flow Selector Knob Ww OFF Decrease Flow 15 MAINTENANCE Fault Diagnosis If you require a Mira trained service engineer or agent refer to section Customer Services Symptom Cause Rectification Only hot or cold water Inlets reversed hot supply to c
10. return valves are located in the thermostatic bar valve body and are accessible through the inlet connectors Caution Make sure that the non return valves are installed correctly to prevent crossflow or malfunction of the valve 1 With the water supplies turned off and the thermostatic bar valve removed remove the sealing washer filter 2 Unscrew the non return valve housing using a 12 mm hexagonal wrench 3 Carefully remove the non return valve and clean any debris 4 On re assembly make sure that the non return valve is fitted the correct way round with the arrow indicating the flow pointing towards the valve 9 Non Return Valve Inlet Connector Sealing Washer Filter Filters The sealing washers filters are located in the inlet connector Clean or renew as necessary 17 SPARE PARTS 456 29 Wall Mounting Bracket x2 An U 7 Qe i ee x2 te j 1663 113 K D Non Return Valve x2 Oa s S Zl 1630 041 q Offset Connector Kt x2 s O 1663 117 Flow Cartridge Nees Soe 1630 048 SS 1630 047 Flow Knob Assembly Outlet Connector Pl fJ a SJ pd p 9 wy N O 1630 045 A Temperature Knob Assembly 1630 054 Temperature Stop Assembly 1663 114 Thermostatic Cartridge NOTES CUSTOMER SERVICE Guarantee of Quality Mira Showers guarantee your product against any defect in materials or workmanship for the period shown in
11. 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 1596 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 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 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 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 April 2008
12. rom 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 Gas Heated System The thermostatic mixer can be installed with a combination boiler Unvented Mains Pressure System The thermostatic mixer can be installed with an unvented stored hot water system Mains Pressurised Instantaneous Hot Water System The thermostatic mixer can be installed with systems of this type with balanced pressures Pumped System The thermostatic mixer can be installed with an inlet pump twin impeller The pump must be installed on the floor next to the hot water cylinder 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 The mixer must not be installed in an area where it may freeze 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 Or
13. t of the offset connector The angle between the offset connector and the mounting bracket must be less than 45 otherwise the mounting bracket will not fit under the concealing plate Offset Connector Qu o The mounting bracket boss should protrude to the rear facing the wall 5 Apply suitable thread sealant not supplied and attach the offset connectors to the pipework in the wall Note Connections are Hot Left Cold Right This is very important as this product does not allow for reversed inlets 10 mm j 72 BSP Female Connection 150 24 mm Pipe Centres in Wall A Wall Offset Spirit Level Connector Boss Wall Mounting Bracket QO Support Apply Silicone Bracket Sealant Pipework 12 10 11 12 13 Tighten the offset connectors using a spanner on the spanner flats Make sure that the connectors are level and set at the correct distance apart using the bar valve as a guide to spacing Fixthe mounting bracket to the wall through the small hole using the appropriate wall fixings for the type of wall not supplied Caution Take care not to drill though any concealed pipework Screw the concealing plates onto the offset connectors until they come into contact with the wall Spanner Flats d 4 Caution Make sure that the supply pipework is flushed before installing the bar valve Assemble the bar valve with a sealing washer filter in each in
14. 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 Planned maintenance or replacement parts required to comply with the servicing requirements of the TMV 2 and TMV 3 healthcare schemes Damage or defects arising from incorrect installation improper 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 Shoul
15. wer handset outlet Temperatures Close temperature control is provided between 20 C and 50 C Optimum Thermostatic Control Range 35 C to 45 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 temperatures up to 85 C for short periods without damage However for safety reasons it is recommended that the maximum hot water temperature is limited to 65 C e Minimum Differential between Hot Supply and Outlet Temperature 10 C Cold Water Range 5 C 25 C Thermostatic Shut down For safety the thermostat will shut off the hot supply within 2 Seconds if the cold supply fails achieved only if the hot supply temperature is greater than 10 C above the set blend temperature Connections Hot Left side nearest flow control 2 BSP Male Cold Right side nearest temperature control 77 BSP Male Outlet Bottom 77 BSP Male to flexible hose Note This product does not allow for reversed inlets and will deliver unstable temperatures if fitted incorrectly Offset connector inlet centres are 150 mm x 24 mm BSP Connection to Pipework Bc 74 BSP Connection to Bar Valve 100 Min to Wall 150 24 115 Min to Wall lt gt lt 4 l All dimensions in mm INSTALLATION Suitable Plumbing Systems Gravity Fed The thermostatic mixer must be fed f
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