Installation and User Guide ELECTRIC SHOWER MIRA GALENA
Contents
1. Temperature dial or Heater setting too high Thermostatic mechanism is faulty or damaged Due to the rise in mains water supply temperature the Heater setting may be too high pressure for shut off Inlet valve faulty 20 Possible Remedy Switch on electrical supply via the pullcord or wall mounted switch Renew the fuse or reset the MCB RCD If fault persists contact your installer Remove and clean Make sure incoming mains water stopcock and or appliance isolating valve is fully turned on Turn the heater selector knob to setting Il or turn the temperature control until a cooler temperature is achieved Replace Turn the heater selector knob to Il and adjust the temperature control until a suitable temperature is achieved to ensure shut off and prevent dripping is 0 2 bar Note If other appliances are operating static pressure may drop below 0 2 bar Contact local water company Renew the Flow Valve Replace Symptom Operation of temperature control has little or no effect on water temperature No change in temperature between I III settings Heater Setting VAIN HAN HI HI H I Probable Cause Water supply pipework or inlet filter restricted by a blockage or partial blockage Insufficient water supply pressure flow for operation Other outlets e g toilet garden hose washing machine etc drawing water while the shower is being used Handset blo2. across the flats of the metal connector Unscrew the filter using another wrench as shown Clean or renew the Filter as necessary Refit in reverse order making sure the Filter is screwed fully home Do not overtighten Make sure plumbing connections are sealed before restoring electricity supply P Refit the cover making sure it is correctly located Do not overtighten the screws 23 77mm 100 mm 233 mm 367 mm 24 SPARE PARTS 405 58 Inlet Connector Assembly 406 27 Inlet Filter with O seal fitted 416 38 Clamp Bracket Inlet 416 41 Thermal Switch 416 48 Latching Switch 416 51 Solenoid Coil 872 01 Microswitch N O 2 pin 872 28 Microswitch C O 3 pin 1563 519 Terminal Block Assembly 1563 533 Thermostatic Valve Heater Tank 9 8 kW 240 V AC 1563 534 Outlet Connector Assembly 1563 537 Temperature Control Belt Thermostatic 1563 538 Temperature Cam amp Pulley 1563 539 Switching Assembly 1563 540 Inlet Valve Assembly 1563 551 Component Pack chrome components identified B 1634 010 Cover Assembly Black Slate 1634 015 Start Stop LED Assembly 1634 026 Screw Pack components identified A 1634 104 Cover Assembly Metallic Silver 1634 105 Cover Assembly Black Flock 1634 106 Cover Assembly Light Stone ACCESSORIES Genuine Mira accessories can be purchased direct from Customers Service
3. and water supplies before proceeding with the installation of the Mira Galena The electricity must be turned off at the mains and the appropriate circuit fuse removed if applicable gt Note An installation template is supplied to help you install the Mira Galena over Retaining Screw gt gt Remove the three cover retaining screws and the cover Caution Handle the cover assembly with care Cover 10 gt Determine the direction of the inlet water supply top falling bottom rising or back inlet Note Make sure that the back inlet does not go directly back into the wall Use a soldered elbow Swivel the inlet connector assembly to suit Remove the inlet blanking cap Avoid trapping the green earth bonding wire gt Before fitting the cover make sure that the appropriate cutouts have been removed to suit the supply entering the product gt Thoroughly flush the mains fed cold water supply pipe The supply must be clean and free from debris BEFORE connecting the appliance To flush the pipework turn on the water supply and drain a minimum of 10 litres 2 gallons of water into a bucket or catchment area Turn off the water supply gt An installation template is supplied to help you install the Mira Galena Put the installation template on the wall and mark through the positions of the fixing holes Ensure the position of these holes do not come in line w
4. 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 to 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 1062246 W2 F J95M 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 advi
5. 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 appointed 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
6. is produced by adjusting the flow of cold water passed through a heater tank lI 4 The warmer the shower the lower the flow rate and vice versa 16 Thermostatic Temperature Stable The shower s top priority is to keep the desired water temperature constant Electric showers with thermostatic control are able to keep a stable temperature across the range from hot to cold whilst also dealing with fluctuations in electrical and water supplies As a result there is a temperature limit the shower cannot go beyond For safety this temperature is factory set and cannot be adjusted to make the shower hotter or colder ORDINARY ELECTRIC SHOWER THERMOSTATIC ELECTRIC SHOWER Using your Shower Read the section Important Safety Information first 1 2 Switch on electrical supply Press the Start Stop button t ke jv Set to desired position Check water temperature before 5 entering shower iv Allow 10 15 seconds for any temperature adjustments to reach the handset 6 7 8 4 Cy Press STOP button Isolate power Residual water may drain Shower will continue to run over a few minutes for a few seconds before stopping Note At the end of every shower make sure that the shower head points into the catchment area A small amount of water may be retained in the shower handset after the shower has been turned o
7. parts metal parts that are likely to introduce earth potential must be electrically bonded to earth using a minimum cable size of 4 0 mm if the cable is not mechanically protected 2 5 mm if mechanically protected The minimum cable size cross sectional area required should be in accordance with BS 7671 As a guide only and in accordance with BS 7671 we recommend close circuit protection i e 9 8 kW 45 Amp A 30 mA Residual Current Device RCD must be included in the electrical circuit This may be part of the consumer unit or a separate unit Aseparate permanently connected supply must be taken from the consumer unit to the appliance through a double pole switch which has at least 3 mm of contact separation The switch can be a ceiling mounted pullcord type within the shower room or a wall mounted switch in an adjacent room DO NOT twist the individual cable cores of either the live or neutral conductors as this will prevent them from entering the terminal block DO NOT exert strain on the terminal block Ensure that the electrical connections are tightly screwed down DO NOT turn on the electrical supply until the plumbing has been completed LOF Consumer Unit WYO y Mf Ark A H Double pole E j Isolating Switch amp i f V i D INSTALLATION Installation of Mira Galena gt Warning Turn off the electrical
8. the continuity of the on IIll heater microswitch or thermal switch microswitch or heater tank and settings replace parts as necessary H Heater Tank failure Replace MAINTENANCE Any maintenance must be carried out by a qualified tradesperson following the instructions provided Before replacing any parts make sure that the underlying cause of the malfunction has been resolved Warning There are no user serviceable components beneath the cover of the appliance Only a competent tradesperson should remove the cover Cleaning Many household and industrial cleaners contain abrasive and chemical substances that can damage the finish of your shower Only clean the shower and fittings with a mild washing up detergent or soap solution and then wipe them dry with a soft cloth Handset Cleaning Clean with mild washing up detergent or soap solution Wipe dry with a soft cloth Poor shower performance can be avoided by cleaning the spray plate Use thumb or soft cloth to wipe rubber nozzles The handset must be descaled regularly 22 Inlet Filter Cleaning Renewing Read the section Important Safety Information first Cover Retaining Screw b Make sure that the electrical supply is turned off at the mains and that the water supply is fully turned off p Remove the three screws and the cover Caution Handle the glass cover assembly with care Cover Filter L gt Hold a wrench
9. to prevent overheating 1 11 Warning DO NOT operate this appliance if it is frozen Allow the appliance to thaw before using The shower unit must not be fitted where it may be exposed to freezing conditions 1 12 This product is not suitable for areas with high humidity i e steam rooms Please consult your installer 1 13 THIS APPLIANCE MUST BE EARTHED MAKE SURE SUPPLEMENTARY BONDING COMPLIES WITH THE REQUIREMENTS FOR ELECTRICAL INSTALLATIONS The installation must be in accordance with the current edition of The Plugs and Sockets etc Safety Regulations in force at the time of installation this appliance is intended to be permanently connected to the fixed electrical wiring of the mains system 1 14 If the wiring layout is changed or amended the product functionality and safety may be affected 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 Caution Read all of these instructions and retain this guide for later use The electrical installation must comply to BS 7671 Requirements for Electrical Installations commonly referred to as the IEE Wiring Regulations Part 7 or any particular regulations and practices specified by the local electricity supply company The plumbing installation must comply with the requirements of UK Water Regulations Bye laws Scotland Building Regulations or any particular regulations and practices specified by the local water company or water undertak
10. IMPORTANT SAFETY INFORMATION Installation must be carried out in accordance with these instructions and must be conducted by designated qualified and competent personnel 1 1 14 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 Warning Follow all warnings cautions and instructions contained in this guide and on or inside the appliance Products manufactured by us are safe and risk free provided that they are installed used and maintained in good working order in accordance with our instructions and recommendations Isolate the electrical and water supplies before commencing installation The electricity must be turned off at the mains and the appropriate circuit fuse removed if applicable Mains connections are exposed when the cover is removed Refer to the wiring diagram before making any electrical connections refer to the wiring diagram at the back of this guide Make sure that any pipework that could become frozen is properly insulated Having completed the installation make sure that the user is familiar with the operation of the appliance Make sure that this guide is left with the user DO NOT commission this appliance if water leaks from the unit or the heater tank pressure relief valve DO NOT fit any form of outlet control e g Trigger handset as the outlet acts as a vent for the tank body Only Mira recommended outlet fittings should be used 1 10 Make sure all electrical connections are tight
11. ONTENTS CHECKLIST Tick the appropriate boxes to familiarise yourself with the part names and to confirm that the parts are included Mira Galena L 1 x Olive O 1 x Compression Nut O 3 x Fixing Screws LJ 3 x Wall Plugs O 1 x Mira Galena Documentation E 1 x Installation Template L 1 x Installer Checklist 1 x Guarantee Card SPECIFICATIONS 1 Plumbing Minimum maintained inlet pressure 70 kPa 0 7 bar 100 kPa 1 0 bar recommended for optimum performance Maximum static inlet pressure 1000 kPa 10 bar Minimum static pressure 20 kPa 0 2 bar to keep the inlet valve closed 2 Electrical The Mira Galena 9 8 kW requires a 45 Amp fuse The terminal block will accept cable up to 16 mm 3 Standards and Approvals The Mira Galena complies with all relevant directives for CE marking INSTALLATION REQUIREMENTS 1 Plumbing The appliance is designed to operate with a minimum maintained inlet pressure of 70 kPa 0 7 bar up to a maximum static inlet pressure of 1000 kPa 10 bar When installed in very hard water areas above 200 ppm temporary hardness your installer may advise the installation of a water treatment device to reduce the effects of limescale formation Your local water company will be able to advise the hardness of water in your area It is recommended that a non restrictive free flowing isolating valve is fitted in the cold water supply pipe to allow
12. ble Electrica Pipe Bottom Entry Cold Water Supply COMMISSIONING Before carrying out the commissioning procedure install the Shower Fittings refer to the Shower Fittings Installation and User Guide If you are unsure how an electric shower works please read through the section User Instructions before continuing 1 2 3 Electrical supply is turned Turn control to full cold Turn the water supply off at the mains fully on 4 LJ 6 l F Check for water leaks Set control to I Switch on electrical supply 7 8 Kak andy 0 5 Secs Press the Start Stop Waterwillbeatfullforceand Turn the control slowly button at a cool temperature Temperature remains cool and flow is reduced 14 Set control to II The temperature will rise slightly 14 5 10 Secs Set control to IIP The temperature will rise further 15 16 TN Z AS lN T B A Adjust temperature as readied Press STOP Flow rate will adjust automatically 18 19 Pa th i 0 5 Secs Isolate power The shower will purge Residual water may drain from its tank for a few over a few minutes seconds Note A slight hissing sound may be heard from the appliance during operation High mains water pressure and high shower temperatures will affect the tone This is quite normal in use 15 USER INSTRUCTIONS How Your Electric Shower Works Heated water
13. ce 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 from 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 M
14. cked Service tunnel or cover not fitted correctly causing Start Stop button not to operate Inlet Valve faulty Heater Tank excessively scaled Handset or inlet filter blocked Inlet valve faulty Heater tank failure Microswitch failure Insufficient mains water pressure Possible failure of flow valve microswitch or heater tank Possible Remedy Flush supply pipe Clean inlet filter Contact local water company Supply pressure must be a minimum of 0 7 bar Note If other appliances are operating pressure may drop below 0 7 bar Turn off other appliances whilst shower is in use Remove and clean Check case inserts are cut and fitted correctly Check services electrical or plumbing are not interfering with location of service tunnel or cover Replace Replace In hard water areas consider the use of a water softener Remove and clean Replace Replace Replace Contact local water company Check the continuity of the microswitch or heater tank and replace parts as necessary Symptom Heater Probable Cause Possible Remedy Setting VAIN Water will not Inlet valve solenoid or start Replace as necessary turn off stop switch faulty Supply pressure below 0 2 Contact local water company bar Check mains water static pressure Appliance fails I II Insufficient water supply Contact local water company to produce hot water when set Ill Possible failure of the Check
15. ers Make sure that you fully understand how to operate this shower and make sure that it is properly maintained in accordance with the instructions given in this manual Anyone who may have difficulty understanding or operating the controls of any shower should be attended whilst showering Particular consideration should be given to 2 5 1 The young 2 5 2 The elderly 2 5 3 The infirm 2 5 4 The disabled 2 5 5 Anyone who suffers from a medical condition that can result in temporary incapacity e g epilepsy or blackouts 2 5 6 Anyone inexperienced in the correct operation of the controls Sunburn or skin conditions can increase your sensitivity to hot water Make sure that you set the shower to a cooler temperature If any of the following conditions occur isolate the electricity and water supplies and refer to To contact us on the back page of this guide 2 7 1 If the cover is not correctly fitted and water has entered the appliance case 2 7 2 f the case is damaged 2 7 3 If the appliance begins to make an odd noise smell or smoke 2 7 4 f the appliance shows signs of a distinct change in performance indicating a need for maintenance 2 7 5 DO NOT operate this appliance if water leaks from this appliance When this appliance 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 C
16. ff This may drain over a few minutes 18 The Effect of Seasonal Changes For a cold shower select I For a summer warm shower select Il For a winter warm shower select Ill During extremes of mains water supply temperature adjust heater setting to obtain a better showering temperature The Effect of Other Water Devices Example of how shower temperature stabilises due to pressure changes 7 Cay Water inlet pressure fluctuations due to other draw offs e g flushing toilet Shower temperature will be controlled to within 2 C of the set temperature provided that the supply conditions remain within the required operating parameters refer to section Specifications 19 FAULT DIAGNOSIS The trouble shooting information tabled below gives details on probable causes and remedies should difficulties be encountered whilst the shower is in operation Warning There are no user serviceable components beneath the cover of the appliance Only a competent tradesperson should remove the front cover Symptom Appliance Fails to operate Shower cycles from hot to cold Unable to select a cool enough shower dripping Heater Setting VAN H I H I I II H I Probable Cause Electrical supply isolated at double pole switch Fuse blown or MCB RCD tripped indicating possible electrical fault Handset blocked Water pressure below minimum required for appliance operation
17. ira 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 mn SHOWERS Kohler Mira Limited November 2010
18. ith any buried cables or pipework Make sure that sufficient electrical supply cable is available for connection to the terminal block gt Drill and plug the top two fixing holes Secure the appliance to the wall with the screws provided Drill the bottom fixing hole with the product in place Alternative fixings not supplied may be necessary for some wall structures Avoid drilling into any supply cable pipe gt Install the mains fed cold water supply pipe Do not overtighten 11 gt Feed cable into case Fit Earth i moe sleeve not supplied and then strip insulation Do not twist cable cores lc Important Make sure that the inlet earth wire is routed as shown Failure to do so may cause product malfunction L BROWN E GREEN YELLOW gt Firmly connect the conductors Do not N BLUE exert strain on the terminal block Cover Retaining Screw gt Refit the cover making sure it is correctly located Do not overtighten screws Caution Handle the glass cover assembly with care Do not use alternative screws to secure the cover This can cause internal damage to the appliance Do not seal around the back of appliance F When fitting the cover position the controls to correspond with the internal drive features as shown 12 Supply Ca
19. m taps being turned on or off or a toilet being flushed An individual light indicates START STOP The Mira Galena comes complete with a set of Mira Energise Shower Fittings Mira Galena 9 8 kW A 9 8 kW 240 V AC 9 0 kW 230 V AC heater with Mira Energise adjustable spray handset with four different spray actions start soothe force and eco Supplied complete with flexible hose clamp bracket assembly slide bar supports hose retaining ring and soap dish Available in a black slate metallic silver black flock and light stone finish The eco setting reduces the water flow to give economical use of water whilst still giving an adequate shower performance This setting performs best with most gravity pumped and mains pressure unvented systems On electric showers and some combination boiler systems the economy setting will have no effect and will give the same spray action as the start setting Recommended Usage Light Commercial Heavy Commercial Healthcare Guarantee For domestic installations Mira Showers guarantee the Mira Galena 9 8 kW against any defect in materials or workmanship for a period of two years from the date of purchase shower fittings for one year For non domestic installations Mira Showers guarantee the Mira Galena 9 8 kW against any defect in materials or workmanship for a period of one year from the date of purchase For terms and conditions refer to section Customer Services 3
20. mira Galena 1 4 ELECTRIC SHOWER Installation and User Guide These instructions are to be left with the user CONTENTS Patents and Design Registration ccccsssetceeeeeeeeeeenenseeeeenenseeeeeeees 2 MAE OCA CEN ON is since a asta sca ss bine scien e e oa wicca oa Wee vce Seen ec caer sence 3 Important Safety Information cceesseecceeeeeeeeeeeeeeseeeeeeeneeeeeseenseeeeeees 4 Pack Contents Checklist x c ic s cis csinsistsnntsiecncnanseadnanensaeononeucnsdeunennadebenness 6 Specifications cccccecceeseeeneeeceeeeeeeneeeeeseneeeeeeeeeeeeeeeaaenesseaneeeneseeeeeeeeeaeas 7 Installation Requirements 2 cc c seeeeeeceeeeeeeeeeeeeeeeeneeeeeeeeeeeeseeeeeeeneaees 7 TIPU DIAG st se ssideet a a cdfecl Sue dalactehs Wadieees a dngeiveddaeetss 7 2 Electrical sicisessrstae teetedsisaaatragdeetsiathacats NE NNa 9 WAS tall ati ON sscsseviccicsceccsssencscceseececcesevensscecccecdadecessceaecesaavsectecsnse cdeteesesieescsss 10 Installation of Mira Galena cccccccccceceeceeeeeeeeeceeeeeeeeeeeeeeeteteeeeeaaees 10 COMMISSIONING siceeci cs ccccsic cs cececcecessdeceee eee cosette es coutece ca snduceeceesdsseeecesesseeee es 14 User INStruCtiOns i caiscisiccsccsesccicvecznsccssesnescccssesneecatveenves caczeenenceteaveereceseden 16 Thermostatic Temperature Stable c cccceceeeeeeeeeeeeeeeceeeeeeeeeees 17 Fault DiaQnOSiSeeis cicccccccccesctcceceestecciecesceedeeceseeteseeeestttctee
21. s our contact details can be found on the back cover of this guide or from approved stockists or merchants Double Outlet Check Valve Showerhead Holder Shower Seat DCV H White 2 1605 149 White 2 1536 128 Chrome 1 0 110 55 1 Chrome 2 1605 150 White Chrome 2 1536 129 DCV H An outlet double check If you re looking for additional For use in or out of the valve designed to prevent the flexibility in your shower the showering area Note Must be backflow or backsiphonage of Mira Logic Showerhead Holder installed onto a solid wall potentially contaminated water is the perfect solution Makes Shower seat folds up when not through shower controls which showering easier for children in use are fitted with a flexible hose as provides a useful additional part of the outlet shower fitting holder for your Showerhead which fixes to the wall at the desired height 25 Mira Galena Spare Parts Diagram 416 41 1563 519 wa lt gt By 2 1563 539 fs oe AN 1563 533 1634 015 1634 010 1634 104 1634 105 1634 106 26 WIRING DIAGRAM Thermal Cutout Disc Pressure Power Selector Switch Solenoid Valve START STOP BLUE O Tank Connection GREEN Inlet Connector Internal Wiring Diagram 27 CUSTOMER SERVICE Guarantee Your product has the benefit of our manufacturer s guarantee which starts from the date of purchase To activate this
22. ssanceieeeestettieeeess 20 MaintOMan Ce seis cccccicccscsnncsccs caceecciie acca an ssanetnerctecereacecassdanececendueneceeseeeeaaes 22 Handset Cleanings r O 22 Inlet Filter Cleaning Renewing essssessresssrrrereerrreerrrrrrseeerreersenueeees 23 E a 24 Spare PANES a one a aE Ee aA cuntccseusraaund 25 Mira Galena socere aen E A 25 Accessories ar E e E ee a a E aeae aE 25 Wiring DIAG FANN eens seccceesescccecetssstezcerseseseeeess dadbeeesssscnegeeesstbeecertssteeeessissane 27 CUSTOMER Service srira eae eaea Ee a e aaae sonnenandessane 28 PATENTS AND DESIGN REGISTRATION Design Registration 000578463 001 002 Patents GB 2 341 667 2 404 000 2 428 286 Ireland 82835 Patent Applications GB 2 427 460 Ireland 2004 0483 2006 0462 2008 0289 If you experience any difficulty with the installation or operation of your new Electric Shower please refer to Fault Diagnosis before contacting Kohler Mira Ltd Our telephone and fax numbers can be found in the back 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 Galena is a thermostatic electric shower with separate controls for power selection and temperature flow adjustment A unique thermostatic valve stabilizes temperature changes caused by water pressure fluctuations These can result fro
23. the complete maintenance of the appliance Do not use a valve with a loose washer plate jumper as this can lead to a build up of static pressures The appliance is suitable for installation within the shower area It is fitted with a pressure relief device and must be positioned over a water catchment area with the controls at a convenient height for all users The appliance must be fitted on to a finished flat and even wall surface this wall surface should be tiled or waterproofed Do not fit the appliance to the wall and tile up to the case For safety requirements an air gap must be left behind the appliance e Avoid layouts where the shower hose will be sharply kinked This may reduce the life of the hose e AHose Retaining Ring is supplied to prevent the handset from dropping below the spill over level of the bath or shower tray which could lead to contamination from back siphoning The supplied Hose Retaining Ring should meet the majority of user requirements for shower installations with flexible outlet fittings However there will be occasions when it will not provide a suitable solution In these instances an outlet double checkvalve e g a Mira DCV H must be fitted This will increase the required supply pressure typically by 10 kPa 0 1 bar Refer to section Accessories e Supply pipework must be flushed to clear debris before connecting to the appliance e To avoid damage to the case when soldered fittings are
24. used pre solder the pipework and fittings before connecting them to the inlet connector assembly Refrain from applying excessive force when making any connections Always provide mechanical support when making the plumbing connections The appliance is fitted with a brass inlet compression assembly for connecting to a 15 mm supply pipe from the top bottom or back Double checkvalves if fitted in the inlet supply to the appliance can cause a pressure build up which could exceed the maximum static inlet pressure and damage the appliance Minimum i 200 mm from ceiling T IA a 7 Convenient height for all the family Fixed to finished wall surface or g A 25 mm Min Avoid Sharp Kinks Isolating Valve Hose Retaining Ring Shower Tray Bath 2 Electrical In a domestic installation the rating of the electricity supplier s fuse and the consumer unit must be adequate for the additional demand All Mira electric showers are high power units it is essential to contact your electricity supplier to ensure that the supply is adequate for the product Voltage drop due to local heavy demand will reduce the shower s performance The appliance must be earthed by connecting the supply cable earth conductor to the earth terminal Supplementary bonding Within the bathroom or shower room all accessible conductive parts of electrical equipment and extraneous conductive
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