Installation and User Guide ELECTRIC SHOWER
Contents
1. 24 If you experience any difficulty with the installation or operation of your new shower control then please refer to Fault Diagnosis before contacting Kohler Mira Limited Our telephone and fax numbers can be found on the back cover of this guide INTRODUCTION Thank you for purchasing a quality Mira Vista Electric Shower To enjoy the full potential of your new shower please take time to read this guide thoroughly and keep it handy for future reference Products manufactured by Kohler Mira Ltd are designed to be safe provided that they are installed used and maintained in good working order in accordance with our instructions and recommendations Follow all warnings cautions and instructions contained in this guide and on or inside the shower The Mira Vista electric showers have separate controls for power selection and for temperature flow adjustment A unique flow regulator stabilises any temperature changes caused by water pressure fluctuations which can result from taps being turned on or off or toilets being flushed When this shower 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 Products covered by this guide Mira Vista 8 5 kW 240 V AC 7 8 kW 230 V AC heater Available in a white finish Mira2. These instructions are to be left with the user CONTENTS MATHOCUCTIONN 3 Important Safety 4 tiaina aiarra 6 sted ccnneceveessasdancecdanesneedeeneesye 7 7 Wining Diagrami ds 7 A E 8 neat 8 Standards and 8 Flow Rate 1 8 Installation Requirements ennenen 9 PIUMBING sais 9 E A 14 MAS 12 COMMITS 15 OPO 16 Fault DIAGNOSIS cre tsetes exes 18 MAN CO 22 tdi EET 22 Cleaning the Inlet 22 Spare PAM pected sede ceveseveess 23 CuStOMer 56 166
3. The pilot valve is faulty The inlet filter is blocked The power is not turned on at the double pole switch The fuse is blown or the MCB RCD has been tripped indicating a possible electrical fault for example heater tank element failure Turn the temperature knob anticlockwise to reduce the water temperature DO NOT TAMPER with the thermal switch Replace the flow regulator Remove and clean the handset sprayplate Refer to the shower fittings User Guide If the fault persists contact Customer Services Regularly clean the handset sprayplate Refer to the Maintenance section of the handset manual Open the stop isolating valve completely Clear the blockage or replace the hose or handset Contact the local water authority Replace the heater tank Replace the flow regulator assembly Clean the inlet filter See the Maintenance Cleaning the Inlet Filter section Switch on the power at the double pole switch Renew the fuse or reset the MCB RCD If the fault persists contact Customer Services Replace the heater tank Malfunction Water leaks from the The pressure relief valve in the Resolve the blocked outlet and bottom of the case near tank has been triggered the replace the tank assembly the outlet and there is shower has a pressure relief no flow from the handset valve assembly that works to reduce the damage if the outlet is blocked or the unit is frozen Whe
4. Isolate the electrical and water supplies before installing the shower 1 Remove the three screws that hold the cover on the shower and remove the cover Decide on a suitable position for the appliance minimum distance of 200 mm from the ceiling to allow for cover fit and removal The position of the appliance 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 This is to prevent backsiphonage Place the shower in the required position on the wall and mark the positions of the three fixing holes in the shower case Ensure that there are sufficient lengths of supply pipe and electrical cable to reach the connection points Remove the shower and drill three holes to suit appropriate fixing screws and wall plugs Caution Do not drill into cables or pipes in the wall Thoroughly flush the supply pipe On the shower turn both knobs to the full anti clockwise position Remove the service tunnel from the shower Determine the direction of the incoming water supply falling entering the shower from the top or rising entering the shower from the bottom Do not use an incoming supply entering the shower directly from the back Add an elbow to the supply pipe and connect it as a rising or falling supply Rotate the inlet connector to suit the direction of the incoming water supply 12 Screws Cover D t Shower i Inle
5. You can contact us via phone or e mail registration card visit our website or free phone 0800 details below Please provide your model 0731248 within 30 days of purchase UK only name power rating if applicable and date of purchase Within the guarantee period we will resolve defects in Mira Showers Website www mirashowers materials or workmanship free of charge by repairing or 3 co uk replacing parts or product as we may choose Bie i This guarantee is in addition to your statutory rights TGA register your guarantee and is subject to the following conditions download user guides diagnose faults e The guarantee applies solely to the original installation purchase our full range of accessories and under normal use and to the original purchaser only popular spares or request a service visit The product must be installed and maintained in Spares and Accessories We hold the largest accordance with the instructions given in this user Q stocks of genuine Mira spares and accessories guide K Contact us for a price or visit our website to e Servicing must only be undertaken by us or our purchase items from our accessory range and appointed representative Note if a service visit popular spares E yea hice ha must be fully installed and Service Repairs No one knows our products Repairunder this guarantee does notextend the original better than Our nationwide team ot Service Technicians We can carry out service or repa
6. TOP knob to the ECO position The temperature of the water should rise slightly Allow a few seconds for the warm water to reach the handset this shows that the ECO power setting is operating correctly Turn the TOP knob to the HIGH position The temperature of the water will rise further this shows that the full power setting is operating correctly Set the shower temperature by rotating the BOTTOM knob as necessary Turn the knob clockwise for hotter water and anticlockwise for cooler water Note When the temperature is changed the flow rate will change When the required temperature is reached turn to the STOP position to stop the flow Water may continue to flow from the handset for a few moments during shut down as water is purged from the tank Isolate the power at the double pole switch Asmall amount of water may be retained in the shower fitting after the shower control has been turned off This may drain over a few minutes Note A slight hissing sound may be heard from the appliance during operation High mains water pressure and high shower temperatures will effect the tone This is quite normal when the shower is in use 15 OPERATION Advice to Users Note Read the Important Safety Information section first Warning The spray plate holes must be kept clear Lack of regular spray plate cleaning will lead to poor performance and cause early failure of the appliance See the shower fittings User Guide fo
7. supply to the shower immediately DO NOT switch on if there is a possibility that the water in the shower is frozen The outlet must not be connected to any tap outlet control or showerhead other than those specified for use with this shower Only Kohler Mira recommended accessories should be used 16 17 18 19 20 21 22 23 Electric showers can deliver scalding temperatures if not operated installed or maintained in accordance with the instructions warnings and cautions contained in this guide and on or inside the shower Rapid or excessive operation of the shower controls may result in high or unstable outlet water temperatures Operate controls gradually and allow 10 15 seconds to stabilise checking the temperature before entering the shower This shower is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning the use of the shower by a person responsible for their safety Children should be supervised to ensure that they do not play with the shower Always switch off the shower at the electrical isolating switch when not in use The showerhead must be de scaled regularly DO NOT allow the handset to spray water directly on to the shower Eg When cleaning shower control If the shower is not to be used for a long period the water supply to the shower must be iso
8. The appliance requires 8 40 Amp fuse 2 The terminal block will accept cable up to 16 mm 3 The Mira Vista is suitable for installation within zone 1 and is rated IPX4 Standards and Approvals 1 This Mira Vista shower complies with all the relevant directives for CE marking Flow Rate Graph 1 These curves are for the specified outputs at 240 V 2 Allappliance heating elements have a manufacturing tolerance Flow rates may be above or below those shown on the flow rate graph 3 The left hand axis shows temperature rise Temperature rise Showering temperature Supply water temperature 30 9 5 kW 8 5 kW Temperature Rise C 10 2 3 4 5 6 7 8 9 10 11 12 13 Flow Rate l min Example For the Mira Vista 8 5 kW on full power setting with an incoming water supply at 10 C and a showering temperature at 42 C the temperature rise is 32 C The flow rate is therefore 4 l min INSTALLATION REQUIREMENTS Plumbing 1 The Mira Vista 8 5 kW and 9 5 kW electric shower 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 The appliance is normally connected to the cold water mains fed supply However the water supply can be taken from a cold water storage cistern provided there is a minimum maintained inlet head of water of 7 metres the vertical distance from the base of the cold water storage cistern to the shower fitting han
9. Vista 9 5 kW 240 V AC 8 7 kW 230 V AC heater Available in a white finish Guarantee For domestic installations Mira Showers guarantee the Mira Vista 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 Vista 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 cover of this guide Recommended Usage Light Commercial Heavy Commercial Healthcare Design Registration IMPORTANT SAFETY INFORMATION WARNING TO REDUCE THE RISK OF FIRE ELECTRIC SHOCK OR INJURY 1 2 11 12 13 14 15 Installation of this shower must be carried out in accordance with these instructions and must be conducted by competent personnel Isolate the electrical and water supplies before commencing installation The electricity must be switched off at the consumer unit and the appropriate circuit fuse removed if applicable The electrical installation must comply with BS 7671 commonly referred to as the IEE Wiring Regulations and all relevant building regulations or any particular regulation or practice specified by the local electricity supply company The plumbing installation must comply with all national or local water regulations and all relevant building regulations or any particular regulation or prac
10. dset To reduce pressure losses and fluctuations the cistern fed water supply must be independent from other supply draw offs and should avoid long horizontal pipe runs and use swept bends rather than 90 elbows For further advice please refer to the back cover of this guide for Mira Showers contact telephone and fax numbers 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 the user The shower fitting should be positioned so that it discharges down the centre line of the bath or across the opening of a shower cubicle and must be directed away from the appliance The appliance is fitted with an inlet connector assembly that is designed to accept plumbing supplies from the top or bottom The water supply can be fed with 15 mm pipe or 10 mm microbore pipe suitably adapted into the inlet connector assembly If 10 mm microbore is used then an allowance for increased pressure loss must be made to ensure that the minimum maintained inlet pressure is achieved Do not fit the appliance to the wall and tile up to the case The appliance must be fitted onto a finished flat and even wall surface Otherwise difficulty may be encountered when fitting the cover and subsequent operation of the unit could be impaired small pillars moulded on to the back of the case allow air circulation Use only the
11. e fault persists contact the shower installer Contact installer to replace faulty parts Turn the temperature knob anticlockwise to reduce the water temperature ALL OF THE FOLLOWING REMEDIES MUST ONLY BE PERFORMED BY A COMPETENT TRADESPERSON No hot water from shower with the knobs in any position Insufficient water supply pressure Failure of the pressure switch microswitch or thermal switch An internal wiring connection has failed One of the heater tank elements has failed Switch assembly diaphragm fault water dripping from the unit Contact the local water authority Check the continuity of the switches using a suitable continuity measuring device Replace the switches as necessary Check the integrity of the internal wiring Replace the heater tank Replace switch assembly Malfunction Shower temperature cycles between hot and cold Turning the temperature knob does not affect the water temperature No water or very low flow rate The temperature is set too high This is causing the thermal switch to turn off the heating element to reduce the water temperature The flow regulator is faulty The handset sprayplate is blocked The handset sprayplate is blocked The incoming water supply stop valves or the appliance isolating valve is closed The hose or handset is blocked Insufficient water supply pressure The heater tank is excessively scaled
12. he temperature knob anticlockwise to reduce the water temperature To turn the shower off 1 Turn the power knob to Stop Note A small amount of water may continue to flow from the handset for a few moments Switch off the electrical supply at the double pole switch 17 FAULT DIAGNOSIS The troubleshooting information tabled below gives you 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 Malfunction Shower is too hot during the summer Shower is too hot Turning the temperature knob does not affect the water temperature The water continues to flow when the double pole switch is turned off No water or very low flow rate The incoming water is warmer in the summer so the shower power setting is too high The handset sprayplate is blocked The handset sprayplate is blocked Broken diaphragm The handset sprayplate is blocked The incoming water supply stop valves or the appliance isolating valve is closed The hose or handset is blocked Turn the power knob to ECO and adjust the temperature knob until the desired temperature is reached Regularly clean the handset sprayplate Refer
13. his manual for fault diagnosis and check that it is installed and commissioned in accordance with our instructions If this does not resolve the issue contact us for help and advice Extended Guarantees A selection of protection plans are available that enable you to cover repair bills excludes Eire Ring 01922 471763 for more details mirashowers com 2 2 Mira is a registered trade mark of 5 Kohler Mira Limited m I ra The company reserves the right to alter C product specifications without notice FM 14648 SHOWERS A 1169541 W2 B JO7A J07B Kohler Mira Limited May 2013
14. inlet connector assembly supplied with the appliance Do not use any other types of fitting Refrain from applying excessive force when making any connections Always provide mechanical support when making the plumbing connections This appliance is not designed to be plumbed directly from the rear For a rear entry supply add an elbow to the supply pipe and connect it as a rising or falling supply Do not install the appliance in a position where it may become frozen The shower unit must not be fitted where it may be exposed to freezing conditions The shower unit must not be used if you suspect it may be frozen 10 11 12 13 14 15 16 We recommend that a non restrictive free flowing isolating valve is fitted in the cold water supply pipe to allow 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 pressure To avoid damage to the case when soldered fittings are used pre solder the pipework and fittings before connecting them to the inlet stub Supply pipework MUST be flushed to clear debris before connecting the appliance The appliance is fitted with a 1 2 BSP male outlet thread to accept a Mira Vista shower hose 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 Appliance malfuncti
15. ir expiry date The guarantee on any replacement parts or product ends at the original expiry date 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 inappropriate cleaning 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 work to your product both during and after the guarantee period Ask about our fixed price service repairs To Contact Us UK 0844 571 5000 Fax 01242 282595 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 5 Mira Customer Services Dept Cromwell E mail Visit www mirashowers co uk contactus e Routine maintenance or replacement parts to Road Cheltenham Gloucestershire GL52 comply with the requirements of the TMV 2 or TMV 5EP 3 healthcare schemes Accidental or wilful damage To Contact Us Eire Only e Products purchased ex showroom display 01 531 9337 E mail CustomerServiceEire What to do if something goes wrong If your product does not work correctly refer to t
16. lated If the shower or pipe work is at risk of freezing during this period they should also be drained of water 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 If the cover is not correctly fitted and water has entered the shower case If the case is damaged If the shower begins to make an odd noise smell or smoke If the shower shows signs of a distinct change in performance indicating a need for maintenance If the shower is frozen PACK CONTENTS M Tick the appropriate boxes to familiarise yourself with the part names and to confirm that the parts are included O 1 x Mira Vista Electric Shower Documentation O 1 x Guarantee Brochure SPECIFICATIONS Dimensions 209 mm gt oO mM E 41 mm Wiring Diagram THERMAL CUTOUT DUAL DISC BROWN L BROWN RED BROWN START STOP PRESSURE POWER SELECTOR SWITCH BROWN BROWN RED SOLENOID VALVE ELEMENTS BLUE NO BLUE BLUE GREEN E O _ TANK CONNECTION Plumbing 1 Minimum maintained inlet pressure for satisfactory operation 70 kPa 0 7 bar 2 Maximum static inlet pressure 1000 kPa 10 bar 3 Minimum static pressure to keep the flow valve closed 50 kPa 0 5 bar Electrical 1
17. let connector assembly Hold a wrench across the flats of the inlet connector assembly to prevent damage to the connector whilst removing the strainer 4 Remove the inlet filter 5 Clean the inlet filter with a stiff brush If necessary use a kettle descalent in accordance with the manufacturer s instructions Inlet Filter 6 Refit the components in reverse order ie Inlet Connector GN Assembl L 22 ST LA 22 SPARE PARTS 406 27 Filter 416 38 Inlet Connector Clamp 439 75 Inlet Connector Assembly 439 76 Clamp Bracket Pack components identified A 439 77 Flow Reg Assembly 8 5 kW 439 79 Switch Assembly Rotary 439 88 Seal Pack components identified B 439 89 Screw Pack components identified C 439 90 Thermal Trip Assembly 1539 518 Cover Assembly 1539 519 Service Tunnel 1539 349 Terminal Block Assembly 1539 350 Flow Reg Assembly 9 5 kW 439 79 1798 054 Heater Tank Assembly 8 5 kW 1798 055 Heater Tank Assembly 9 5 kW 1539 349 439 77 8 5 kW 1539 350 9 5 kW 1539 519 i 1798 054 8 5 kW 1539 518 1798 055 9 5 kW 23 CUSTOMER SERVICE Guarantee Helpdesk Service Ring our Customer Your product has the benefit of our manufacturer s Q Services Team for product advice to purchase guarantee which starts from the date of purchase spare parts or accessories or to set up service To activate this guarantee please return your completed visit
18. n the relief valve operates a small rubber ball is ejected The water cannot be The pilot valve is faulty Replace the flow regulator assembly turned off Broken diaphragm Replace the flow regulator assembly The supply pressure is below the Contact the local water authority minimum requirement Check the static water pressure Note that the static pressure may fall below minimum requirement when other appliances are drawing water for example the dishwasher or washing machine 21 MAINTENANCE Any maintenance must be carried out by a qualified tradesperson following the instructions provided Before replacing any parts ensure 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 abrasives 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 Screws t Cleaning the Inlet Filter Warning Isolate the electrical and water supplies before removing the cover 1 Remove the three screws that hold the cover on the shower and remove the cover 2 Remove the service tunnel from the shower Screw 3 Use a suitable spanner to remove the filter from the in
19. ng complies with the relevant regulations in force at the time of installation 20 Replace the service tunnel 21 Replace the cover If the cover does not fit easily rotate the knobs slightly so that they fit onto the spindles Do not force the cover 22 Tighten the three cover screws 14 Terminal Block Electrical Cables Outlet Connector Cold Water Supply Pipe Inlet Connector Screws Spindle COMMISSIONING If you are unsure how electric showers work please read through the Operation section before continuing 1 10 11 Make sure that the TOP control knob is in the STOP position and that the electrical supply has been isolated Turn the BOTTOM control knob fully anticlockwise to the full cold position Turn the water supply fully on at the isolating valve check that water is not leaking from the bottom of the case Switch on the electrical supply at the double pole switch Turn the TOP control knob to the LOW position Check that water flows freely from the shower within a few seconds If not refer to the Maintenance section The water from the handset will be at full force and at a cool temperature Turn the BOTTOM knob slowly clockwise As the knob is rotated the flow will be reduced and the temperature will remain cool this shows that the flow regulator assembly is operating correctly Return the knob anticlockwise to full cold position Turn the
20. on due to excessive limescale formation is not covered by the manufacturer s guarantee Your local water company will be able to advise on the hardness of water in your area A hose retaining ring is supplied to prevent the handset from dropping below the spillover level of the bath or shower which could lead to contamination from back siphonage 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 the hose retaining ring will not provide a suitable solution In these instances an outlet double checkvalve must be fitted This will increase the required supply pressure typically by 10 kPa eel pal Spillover Double checkvalves fitted in the Level inlet supply to the appliance cause a pressure build up which could exceed the maximum static inlet pressure for the appliance Hose Retaining 25 mm minimum Avoid layouts where the shower hose will be sharply kinked This may reduce the life of the hose 10 Electrical 1 In a domestic installation the rating of the electricity supply company fuse and the consumer unit must be adequate for the additional demand This is a high power appliance and it is essential to contact your electricity supply company to ensure that the supply is adequate for the appliance Voltage drop due to local heavy demand will reduce the performance of the showe
21. r 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 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 must conform to BS 7671 To obtain full advantage of the power provided by this unit use the shortest possible cable route from the consumer unit to the shower A 30 mA residual current device RCD must be fitted This may be part of the consumer unit or a separate unit A separate permanently connected supply must be taken from the consumer unit to the appliance through a double pole switch which has a minimum 3 mm contact separation The switch can be a ceiling mounted pull cord type within the shower room or a wall mounted switch in an adjacent room DO NOT twist the individual cable cores of the live and neutral conductors as this will prevent them from entering the terminal block DO NOT exert strain on the terminal n block DO NOT turn on the electrical Plumbing and Electrical Schematic supply until the plumbing has been completed 11 INSTALLATION Warning
22. r more information 1 2 Electric showers work by taking in cold water and passing it over the heating elements contained in the tank inside the shower The showering temperature is adjusted by turning the temperature control knob which varies the flow of cold water across the elements The slower the rate of flow the warmer the water and vice versa The holes in the spray plate of the shower handset should always be kept clean to maintain a consistent flow and stable shower temperatures The appliance is designed to stabilise temperature changes caused by water pressure fluctuations These fluctuations can be caused by taps being turned on or off or toilets being flushed Under such conditions average shower temperatures will be held within a 6 C range provided that the minimum required pressure is maintained Seasonal changes in the temperature of the incoming cold water supply and or fluctuations in mains electrical voltage will effect the temperature of the water Adjust the temperature knob as necessary to compensate The shower requires a minimum maintained running pressure of 70 kPa 0 7 bar to operate At pressures above 70 kPa 0 7 bar the shower will minimise the temperature fluctuations caused when other draw off points are used If the flow rate drops below an acceptable level the heating element inside the shower will turn off resulting in a cold shower If the water temperature reaches an unsafe level the thermal s
23. t Connector 10 The case has thinned sections that Thinned Section can be removed to allow entry of the supply pipe and electrical cables Remove the top thinned section of the case for a falling supply or remove the bottom thinned section of the service tunnel for a rising supply 11 Do not remove any case sections if the electrical cables enter from the back 12 Secure the shower to the wall Inlet Q Connector 13 Connect the inlet supply pipe to the inlet connector using a 1 2 Compression BSP nipple with compression nuts Nut and olives shown or a push fit Olive connector 1 2 BSP Nipple Olive B Compression we Nut Inlet Supply Pipe 13 19 Screws 14 Bring the electrical cables into the case 15 Strip back sufficient of the outer cable insulation to enable routing to terminal block 16 Fit an earth sleeve to the earth wire 17 Loosen the screws in the terminal block and insert the bare wires into the clamps L Live Brown wire E Earth Green sleeved wire N Neutral Blue wire Note Do not twist the cores of the wires or strain the cables to make them reach the terminal block 18 Connect the conductors firmly into the terminal block Make sure that the bare cores of each conductor are securely trapped within each conductor clamp 19 If necessary fit an earth bonding clamp to the supply pipe and ensure that the bondi
24. tice specified by the local water supply company This shower is intended to be permanently connected to the fixed electrical wiring of the mains system A separate supply must be provided from the consumer unit to the shower This shower must be provided with means for disconnection that is incorporated into the fixed wiring in accordance with the relevant local wiring regulations The isolating switch must be local to the appliance and may be a ceiling mounted pullcord type or a wall mounted switch fitted in an appropriate zone area In accordance with BS7671 a 30mA Residual Current Device RCD must be fitted This may be part of the consumer unit or a separate unit This shower must be earthed Ensure any supplementary bonding complies with the relevant regulations Ensure all electrical connections are tight to prevent overheating This shower must not be fitted where it may be exposed to freezing conditions Ensure that any pipe work that could become frozen is properly insulated This shower is not suitable for areas with high humidity or temperature i e steam rooms and saunas Mains connections are exposed when the cover is removed only a competent person should remove the front cover We recommend any maintenance work is carried out by a Mira Service Engineer or suitably qualified tradesperson There are no user serviceable parts inside the shower DO NOT switch on if water leaks from the main enclosure Isolate the electrical
25. to the Maintenance section of the handset manual Remove and clean the handset sprayplate Refer to the Maintenance section of the handset manual If the fault persists contact the shower installer Contact your installer to replace the flow valve assembly Clean the handset sprayplate Refer to the Maintenance section of the handset manual Open the stop isolating valve completely Clear the blockage or replace the hose or handset Continued Malfunction No hot water from shower with the knobs in any position Temperature cycles between hot and cold The power is off at the double pole switch The fuse is blown or the MCB RCD has been tripped indicating a possible electrical fault Other water outlets are being used during showering causing the water pressure to drop below the minimum required The water pressure is below the minimum required Failure of pressure switch micro switch or thermal switch The temperature is set too high This is causing the thermal switch to turn off the heating element to reduce the water temperature Switch on the power at the double pole switch Renew the fuse or reset the MCB RCD If the fault persists contact the shower installer Make sure the other water outlets such as the washing machine or dishwasher are not in use during showering Make sure that the incoming water supply stop and the isolating valve are completely open If th
26. witch assembly turns off the heating elements As the water temperature falls the elements will be turned on The switch will cycle on off on if the flow rate is not increased and the temperature of the shower reduced Check the shower temperature before entering the shower The previous user may have selected a different temperature setting When the shower is first turned on or the temperature setting is changed there will be a slight delay before the water temperature changes 16 Operation Instructions To turn the shower on 1 2 Switch on the electrical supply at the double pole switch Turn the power knob to High Wait 15 20 seconds for warm water to reach the handset For electrical economy set the power knob to ECO This setting will provide sufficient power when the supply water temperature is warmer such as in the summer For an unheated shower set the power knob to Low To set the shower temperature 1 Set the shower temperature by rotating the temperature knob as necessary Turn the knob clockwise for hotter water and anticlockwise for cooler water Wait 10 15 seconds for the adjusted temperature to reach the handset Note It is normal for the flow rate to change when the temperature is changed Note If the water temperature cycles between hot and cold the temperature is set too high This is causing the thermal switch to turn off the heating element to reduce the water temperature Turn t
Download Pdf Manuals
Related Search