Home

Installation & User Guide MIRA EXCEL SHOWER CONTROL

1. Gravity fed showers The shower control MUST be fed from a cold water storage cistern and hot water cylinder providing nominally equal pressures Unvented mains pressure showers The shower can be installed with an unvented stored hot water cylinder Only a competent person as defined by Part G of Schedule 1 of the Building Regulations may fit this type of system For packages with no cold water take off after the appliance reducing valve it will be necessary to fit an additional drop tight pressure reducing valve when the mains pressure is over 5 bar The drop tight pressure reducing valve must be set at the same value as the unvented package pressure reducing valve Note An expansion vessel MUST be fitted and regularly maintained if any form of backflow prevention device is fitted e g non return valve PRV This will ensure that excess expansion or pulse pressures do not damage the product or the plumbing system Safety devices not shown for B clarity COLD HOT Expansion Vessel Reduced pressure to cold inlet of shower Reduced pressure to cold inlet of shower High Inlet Pressure High Inlet Pressure DE Reduced pressure to unvented cylinder Reduced pressure to unvented cylinder Combined outlet PRV Cold takeoff after PRV with internal non return valves Expansi
2. Spirit Level Installation Template Bend tabs outwards and place the spirit level on tabs to level the template 6 mm Minimum Depth Finished wall surface Support Bracket Finished wall surface 1 23 mm Maximum depth 23 3 8 3 9 Mark the support bracket fixing hole positions The support brackets should be positioned so that the valve can be fitted level and the compression fittings can be easily tightened Drill a 6 0 mm diameter hole at each of the marked positions and insert the wall plugs supplied Note For stud partition installations alternative fixings may be required Alternatively the shower body can be secured to the rear face of the wall cavity or to a timber noggin 3 10 Align the holes in the support brackets with the holes in the wall and secure the unit with the two fixing screws supplied 3 11 Remove all three sections of the building in shroud Align the hot and cold supply and top outlet pipes with the valve but do not connect to the valve 3 12Remove the support bracket and valve unit from the wall and thoroughly flush the hot and cold water supply pipes Note The supplies must be clean and M free from debris before connecting the shower control Failure to do so may result in product malfunction Note The Excel B is supplied with inlet connections hot left cold right and top
3. 1608 020 1608 010 2 3608011 i 553 35 45 3 Excel B spare parts list 451 61 451 62 451 63 451 64 451 65 451 67 451 68 451 69 451 70 451 71 451 72 451 73 451 76 451 77 451 78 466 03 466 04 Building in Shroud Temperature Knob Flow Lever Assembly white Temperature Knob Flow Lever Assembly chrome Temperature Knob Flow Lever Assembly satin chrome Temperature Knob Flow Lever Assembly white gold Hub Pack Concealing Plate white Concealing Plate chrome Concealing Plate gold Cartridge Assembly Filters Inlet Filters Component Pack components identified A Seal Pack components identified B Screw Pack not illustrated Installation Template Body Support Bracket 46 4 Excel B spare parts diagram 47 CUSTOMER SERVICE Guarantee of Quality Mira Showers guarantee your product against any defect in materials or workmanship for the period shown in 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 in Northern Ireland and Republic of Ireland Servic
4. and User Guide covers the following products Mira Logic Exposed Variable Shower Fittings ev An 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 gel holder and wall mounted soap dish Available in chrome satin chrome and white gold finish Mira Logic Built in Variable Shower Fittings biv Offering the same features as the Logic ev but also includes a right angle connector RAC Suitable for connection to concealed pipework supplies Available in chrome white satin chrome and gold finish Mira Logic Built in Rigid Shower Fittings bir An adjustable spray built in shower head with four different spray actions start soothe force and eco Suitable for connection to concealed pipework supplies only Available in white and chrome finish The eco setting reduces the water flow on the start mode to give better 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 If you experience any difficulty with the installation or operation of your new shower fittings then please refer to Fault Diagnosis before contacting Kohler Mira L
5. hence the flow must be sufficient to keep the heater ignited Therefore it is important to make sure that the flow knob is fully open to prevent variation in the hot water supply temperature 12 Turn the temperature knob anticlockwise for warmer water or clockwise for cooler water The preset maximum temperature can be adjusted as required to suit both site conditions and the user s comfort Refer to section Commissioning 1 Maximum temperature setting Warning Operation of the override button will allow a shower temperature above the preset maximum 1 3 To override the preset maximum temperature depress the override button and turn the temperature knob anticlockwise Temperature Knob 38 FAULT DIAGNOSIS 1 Fault diagnosis Read the section Important Safety Information first Provided that the shower control has been correctly installed and is operated in accordance with the instructions contained in this guide difficulties should not arise If any maintenance is required then it must be carried out by a competent tradesperson for whom the fault diagnosis chart and maintenance instructions are provided Before replacing any parts make sure that the underlying cause of the malfunction has been identified Key A Instantaneous Gas Heated Showers B Unvented Mains Pressure and Thermal Store Systems C Gravity Systems Pumped Systems Malfunction No flow low flow
6. outlet as standard For installations with reversed hot and cold refer to section Reversed inlet connections 24 Support Bracket Fixing Holes Fixing Screws 3 13 Loosely attach the compression nuts Compression Nut Olive Threads and olives 3 14 Fit the support bracket and valve unit in to the wall with the two fixing screws 3 15 Insert the hot and cold supply and top outlet pipes through the compression nuts and olives Ensure that each pipe is pushed fully into the valve Note For falling inlet supplies the outlet pipe may have to be set deeper into the wall 3 16 Hold each pipe in position and use a suitable spanner to tighten the compression nuts 3 17 Turn on the water supplies and check for any leaks 3 18 Refit the three building in shroud sections that you removed earlier 227 Secure the shroud in position with the lt Screws 3 19 Plaster and tile as necessary up to the sides of the building in shroud Make sure that the finished tiled wall surface is within the FINISH arrow on the building in shroud Separate these two parts 25 3 20When the plaster tiles have set remove the screws and pull the entire building in shroud away Note Retain the screws for later use 3 21Remove the backplate from the concealing plate Remove the protective film from foam seal and fit in position with the four fixing screws
7. temperature Anticlockwise to increase temperature Arrows Rear Face of Hub Front Face of Hub Temperature Temperature Hub Securing Screw 2 Maximum Temperature Settings for Reversed Inlet Connections Refer to section Commisioning 1 Maximum temperature setting sections 1 1 to 1 8 for the initial setting 2 1 2 2 2 3 Refit the temperature hub so that the two small lugs on the front align with the arrows on the top and bottom on the temperature indicator trim ensuring that the stop on the rear of the hub is at the 6 O clock position Rotate the temperature hub clockwise approximately 90 degrees as shown and refit the securing screw and the temperature knob Check that the temperature knob can be rotated fully in both directions approximately 3 4 of a full turn i e full cold to hot set temperature Turn the shower on Check the temperature is correct and the override functions correctly If necessary repeat the procedure until the correct temperature is achieved 36 Arrows Rear Face of Hub Temperature Hub Temperature Hub Securing Screw 3 Temperature override button disable The Excel incorporates a temperature override button that allows the user to override the preset maximum temperature The following procedure can be used to disable the override button limiting the maximum temperature available to the preset value This setting is recommended for the young th
8. temperature hub Make sure that the wave washer remains in position Temperature Temperature Hub Hub Securing Screw 34 1 7 Turn the shower on Rotate the temperature spindle until the required temperature is obtained Turn the temperature spindle anticlockwise to increase the temperature or clockwise to decrease the temperature If resistance is felt DO NOT USE FORCE to rotate the spindle as this is the maximum obtainable temperature from the shower control with the available hot water supply temperature FORCE will DAMAGE the internal components of the cartridge assembly Note It may be easier to put the hub back onto the spindle to enable you to turn it 1 8 Turn off the shower 1 9 Refit the temperature hub so that the two small lugs on its front align with the arrows on the top and bottom on the temperature indicator trim as shown ensuring that the stop on the rear of the hub is at the 12 O clock position 1 10 Rotate the temperature hub clockwise approximately 90 degrees as shown and refit the securing screw and the temperature knob Check that the temperature knob can be rotated fully in both directions approximately 3 4 of a full turn i e full cold to hot set temperature 1 11Turn the shower on Check the temperature is correct and the override functions correctly If necessary repeat the procedure until the correct temperature is achieved 35 Clockwise to decrease
9. the spray pointing down the centre line of the bath Avoid layouts where the shower hose will be sharply kinked This may reduce the life of the hose Do not fit any form of flow control in the shower outlet Do not use excessive force when making connections Do not install the fittings in a position where it could become frozen The minimum pressure required for a satisfactory spray pattern to form at the handset or spray head is 0 1 bar For a gravity fed shower installation the minimum head of water required to accommodate the pressure loss in the pipes and shower control of a typical installation is 1 0 metre For a pump installation the minimum acceptable vertical distance between the base of the cold water storage cistern and the shower head to operate the pump s flow switches is typically 0 6 m 600 mm High and Low Capacity Nozzle Rings 1 All shower fittings are supplied with low capacity nozzle rings fitted as standard to the handset or shower head High capacity nozzle rings with larger spray holes are also included in the fittings pack The low capacity nozzle rings will be suitable for low pressure installations However for high pressure installations the spray force may be too powerful for comfortable showering In such situations it is recommended the high capacity nozzle rings are fitted Refer to the section High Capacity Nozzle Ring Installation for fitting instructions For gas water heaters which require
10. using the screw provided Make sure that the screw is fully tightened Loosely screw the top slide bar support to the wall Press firmly down on the top slide bar support and while continuing to apply force fully tighten the screw Fit the end caps to the slide bar supports Check the slide bar cannot be rotated or vertically moved If there is movement remove the slide bar assembly from the wall Check the slide bar support lugs are properly engaged with the slots in the slide bar and the supports are pushed fully onto the slide bar ends Refit the slide bar assembly Referto sections Handset Installation and Soap Dish Installation to complete the fittings installation 11 22 M P i Ps AT P Clamp Wall Plug Top Slide Bar Support N C Fixing Screw End Cap Slide Bar A End Cap Handset Installation Caution Do not overtighten the hose 2 4 Screw the hose onto the outlet of the shower control Make sure that the hose washer is fitted Pass the flexible hose through the hose retaining ring and screw the remaining end of the hose onto the handset Make sure that the hose washer is fitted Place the handset in the clamp bracket assembly Soap Dish Installation 1 Decide on a suitable position for the soap dish avoiding any buried cables and pipes 2 Place the wall bracket on the wall and mark the position of the fixing holes 35 mm Warni
11. MIRA EXCEL SHOWER CONTROL Installation amp User Guide These instructions are to be left with the user CONTENTS IMEFOGUCHION m 3 Important Safety Information ss 4 Pack Contents Checklist eerie ecce nenne rnnt 5 DIMENSIONS e 7 Specification S 2 8 1 Pressure RANGES 3x metr et e Pea ert uu at SSE 8 2 Temperature Control isinsin a iaaa 8 3 Standards and 440400 00 8 2 EIoW Halles creo tice 9 Installation Requirements ns 10 Typical Suitable Installations 2 10 installati n mt 14 zl 14 1 Back inlet supplies rising or falling concealed pipework 14 2 Exposed supplies rising or falling surface pipework 17 Excel B 22 3 Solid and dry lined walls 22 4 Stud Partitions and Shower Enclosures Front Face 28 5 Laminated Panels and Shower Enclosures Rear Face 29 Control Assembly Fitting Instructions 31 Reversed Inlet Connections es 32 COMMISSIONING 2 cee Dee tenni epa eoe oma 34 1 Maximum temperature setting 34 2 Maximum Temperature Settings for Reversed Inl
12. Refer to section Reversed Inlet Connections and follow the installation instructions 1 2 to 1 10 inclusive This will put the cartridge assembly the indicator trim and the temperature knob in the correct orientation for hot left and cold right inlet supplies Note For falling supplies where the hot and cold inlet pipes have been reversed only the indicator trim and the temperature knob need to be removed and reinstalled the correct way up Refer to section Reversed Inlet Connections 2 30 Turn on the water supplies and check for any leaks Shower fittings 2 31 Install the shower fittings Refer to the Installation and User Guide for the shower fittings 21 Installation Template Compression Nut Olive Excel B 3 Solid and dry lined walls Read the section Installation Requirements first The built in shower control is supplied with a support bracket that can be used to install the shower control into a solid or dry lined wall structure A foam seal is fitted to the concealing plate assembly to seal the bracket to the wall surface i e tiles This will provide a sufficient seal for most installations to prevent ingress of water into the wall cavity 3 1 Decide on a suitable position for the shower control The position of the Hose eine fla shower control and the shower fittings eee must provide a minimum gap of 25 MO mm between the spill over level of the shower tray bath and the h
13. Road Cheltenham Gloucestershire GL52 5EP Northern Ireland Wm H Leech amp Son Ltd Telephone 028 9044 9257 Mon to Fri 9 am 5pm Fax 028 9044 9234 24 hours Post Maryland Industrial Estate Ballygowan Road Moneyreagh Co Down BT23 6BL Republic of Ireland Modern Plant Ltd Telephone 01 4591344 Mon to Fri to 5pm Fax Dublin 01 4592329 24 hours Post Otter House Naas Road Clondalkin Dublin 22 FM 14648 Kohler Mira Limited July 2005
14. __ Override Button 5 Fitthe temperature knob making sure that the override button is opposite the flow lever as shown Temperature Knob 31 REVERSED INLET CONNECTIONS The Excel is supplied with inlet connections hot left cold right and bottom outlet The Excel B is supplied with inlet connections hot left cold right and top outlet as standard If the hot and cold water supply pipes have been reversed during installation the following procedure must be performed 1 1 Isolate the hot and cold water supplies to the shower control 1 2 Turn the flow knob fully anticlockwise to drain any water 1 3 Carefully pull off the temperature knob indicator trim and flow lever Remove the shroud Note The red and blue pillars identify the correct hot and cold inlets for the cartridge 1 4 Remove the four cartridge retaining screws 1 5 Pull out the cartridge Do not remove the metal plate from the cartridge assembly Any residual water will drain from the body Caution Take care not to damage the two inlet seals or the large cartridge seal 1 6 Rotate the cartridge through half a turn 180 and insert it back into the shower control body The blue pillar should now be on the left side of the shower control When re inserting the cartridge make sure that the large cartridge seal is first located in the shower control body 1 7 Fit the four screws that retain the cartridge 1 8 Refit the shroud 1 9 Refit the controls Refer to sec
15. a higher flow rate to operate correctly it is recommended the high capacity nozzle rings are fitted INSTALLATION Note For dry lined stud partition shower cubicle or laminated panel walls the installer may wish to obtain alternative proprietary cavity fixings Use of these alternative fixings is beyond the scope of this guide Important If the Logic slide bar replaces an existing Mira slide bar make sure that the position of the shower control and the shower fittings provide a minimum of 25 mm between the handset and bath tray spill over level This is necessary to prevent back siphonage If this is not possible then the new slide bar will have to be repositioned Mira Logic Exposed Variable Shower Fittings ev Read the section Installation Requirements before proceeding with the installation The slide bar should be positioned to one side of the shower control at a convenient height for all the family It should be positioned so that the handset discharges down the centre line of the bath or across the opening of the shower cubicle The handset should be directed away from the shower control 1 Decide on a suitable position for the slide bar avoiding buried cables and pipes Make sure that when the hose xL retaining ring is placed on the lowest Hose Retaining position on the slide bar there is a Ring minimum of 25 mm between the handset and bath tray spill over level This is necessary to prevent back siphonage 2 Important Th
16. able shower fittings only There will be an additional pressure loss through the shower control Pressure loss Pressure difference between the inlet and outlet of the fitting With low capacity nozzle ring fitted 30 28 26 24 Start 22 20 18 Eco 12 Force 10 Soothe Flow Rate litres minute o 0 0 2 0 4 0 6 0 8 1 0 12 1 4 1 6 1 8 2 0 Pressure Loss bar With high capacity nozzle ring fitted 30 T 28 Soothe 26 24 22 20 18 16 Flow Rate litres minute 0 0 2 0 4 0 6 08 1 0 12 14 16 1 8 2 0 Pressure Loss bar 8 INSTALLATION REQUIREMENTS Installation must be carried out in accordance with these instructions and must be conducted by designated qualified and competent personnel 1 ONO The hose retaining ring supplied must be used to stop the handset from dropping below the spill over level of the bath or shower tray This will prevent water supply contamination due to backsiphonage Installations must comply with UK Water Regulations Bye laws Scotland and Building and Plumbing Regulations in force at the time of installation When installing the shower fittings in a cubicle position with the spray pointing across rather than toward the opening of the cubicle When installing the shower fittings over a bath position with
17. and User Guide Drip from spray plate assembly in handset A small 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 Problem with shower control This is quite normal Changing the angle of the shower fitting may vary the draining time Refer to the shower control Installation and User Guide Shower temperature changes when spray action is adjusted Adjusting the spray action changes the flow of water This may affect some shower controls and plumbing installations To minimise the effect make sure that the spray plate is clean Refer to section Maintenance Cleaning If the malfunction persists refer to the shower control Installation and User Guide The spray force is uncomfortably strong High pressure shower installation Fit high capacity nozzle rings or a 9 l min flow regulator MAINTENANCE Cleaning Many household cleaners contain abrasives 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 Spray Plate Assembly External 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 Spray Plate Assembly Internal 1 Remove the spray plate assembly Re
18. andset This Iw is to prevent back siphonage P a Level 3 2 Determine the route for the incoming hot and cold supply pipework Outlet Pipe BIR 3 3 Determine the route for the outlet pipework When connecting to the biv 0 Soni shower fittings it is recommended that the outlet be positioned above and to one side of the shower control This is Hot Inlet QO Cold Inlet to prevent the flexible hose from obstructing the temperature and flow Shower Control knobs of the shower control For further information on the installation of the shower fittings refer to the Installation and User Guide 22 3 4 3 5 3 6 3 7 If installing the shower into a solid wall mark an opening sufficient to accommodate the shower control approximately 245 mm x 145 mm on the surface of the wall Alternatively if installing the shower into a dry lined wall use the installation template and mark around the outside edge Mark the route of the supply and outlet pipes Remove the plaster and brick block for the shower control to a depth between 64 and 81 mm from the finished surface of the wall The shower body requires a clearance depth of 58 mm with a finished wall surface thickness between 6 and 23 mm Note The maximum and minimum depth levels are indicated on the outer sections of the building in shroud Remove the plaster and brick block for the supply and outlet pipes 145 mm
19. ceeding Holding the mounting plate in position behind the panel fix the backplate to the mounting plate through the panel with the two backplate screws Complete the installation following steps 15 to 21 of the Mira Logic bir Built in Rigid Shower Fittings Solid and Dry lined Wall Installation section 20 Shower Cubicle Laminated Panel or Stud Partition Wall Installation 15 mm Copper Pipe o Shower Control 25 mm 48 mm 22 25 mm Wallplate f Panel 15 mm Copper Pipe Finished Wall Surface Mounting Plate Backplate Panel Backplate Screws OPERATION Changing Spray Settings The handset has four different spray settings Eco start soothe and force 1 Eco Setting Turn the spray plate fully clockwise Water will flow from the outer set of holes and the flow rate will be reduced 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 2 Start Turn the spray plate anticlockwise until it clicks one click from economy setting Water will flow from the outer set of holes 3 Soothe Turn the spray plate anticlockwise until it clicks two clicks from economy setting Water will flow from the large diamet
20. 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 person not authorised by Mira Showers or our approved agents This guarantee is in addition to your statutory and other legal rights Before using your shower Please take the time to read and understand the operating and safety instructions detailed in this manual What do if something goes wrong If when you first use your shower it doesn t function correctly first contact your installer to check that installation and commissioning are satisfactory and in accordance with the instructions in this manual We are on hand to offer you or your installer any advice you may need Should this not resolve the difficulty simply contact our Customer Services who will give every assistance and if necessary arrange for our service engineer to visit If later the performance of your shower declines consult this manual to see whether simple home maintenance is required Please call our Customer Services to talk the difficulty through request 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 serv
21. e adjuster ring into position 25 Outer Nozzle P d Retaining Ring Inner Nozzle Retaining Ring Spray Plate y Assembly Adjuster Ring Outer Nozzle Ring Inner Nozzle Ring Spray Plate Assembly Seals Mira Logic ev and biv Spares List 450 01 450 02 450 06 450 08 450 10 450 11 450 12 450 13 450 16 450 17 450 18 450 19 450 20 450 21 450 22 450 23 450 24 450 25 450 26 450 27 450 28 450 29 450 30 450 31 450 32 450 33 450 34 450 35 450 36 450 37 450 38 450 39 450 50 632 73 Hose 1 25 m chrome Hose 1 25 m white Clamp Bracket Assembly for fittings supplied with Mira Event XS Sport Service Pack O seals components identified A Slide Bar white Hose Retaining Ring white Soap Dish Pack white Adjuster Ring white Clamp Bracket Assembly white Slide Bar Wall Fixing Pack components identified B Hose 1 25 m gold Adjuster Ring chrome Right Angled Connector Mounting Pack components identified Right Angled Connector Shroud white Right Angled Connector Shroud chrome Right Angled Connector Shroud gold Clamp Bracket Assembly chrome Clamp Bracket Assembly satin chrome Slide Bar Support Assembly white components identified D Slide Bar Support Assembly chrome components identified D Slide Bar chrome Slide Bar gold Hose Retaining Ring chrome Hose Re
22. e elderly the infirm or anyone inexperienced in the correct operation of the controls 3 1 Carefully pull off the temperature knob 3 2 Unclip the concealed end of the override button from the temperature indicator trim and carefully remove the override button Note Using the tab will help with the removal of the override button 3 3 Rotate the override button through half a turn 180 and refit Make sure that the override button locates correctly in the temperature knob 3 4 Refit the temperature knob with the scale adjacent to the indicator on the indicator trim 3 5 Reversing the above procedure will enable the override button Override Button in enabled position Override Button in disabled position View from the rear of the View from the rear of the temperature knob temperature knob 37 OPERATION 1 Excel and Excel B The Excel incorporates a temperature override button that allows the user to override the preset maximum temperature It is recommended that this facility is disabled for the young the elderly and the infirm or anyone inexperienced in the correct operation of the controls Refer to Section Commissioning 3 Temperature override button disable 1 1 Turn the flow lever anticlockwise until the desired force of water is obtained Note When the Excel is installed with a fully modulating multipoint or combination type gas water heater the maintained mains water pressure and
23. e inlet nipple bolts with the O Key Note The nipple will still float when the bolt has been tightened 2 10 Screw the blanking plugs complete with washers into the rear supply inlet nipple holes Tighten the blanking plugs using the O Key or suitable screwdriver 2 11 Locate the Excel shower control on to the backplate 2 12 Use a suitable screwdriver to tighten the two screws in the backplate The screws will hold the shower control in position Do not overtighten the Screws Inlet Nipple Bolts e Gy Washers Inlet Nipple Bolts 18 2 13 Install the hot and cold supply pipes 38 mm from the finished wall at 150 155 mm centres Use the installation template to make sure the pipes are in the right position Note The Excel is supplied with inlet connections hot left cold right and bottom outlet as standard For installations with reversed hot and cold supplies complete the installation and refer to section Reversed Inlet Connections Note Thoroughly flush the hot and cold water supply pipes The supplies must be clean and free from debris before connecting the shower control Failure to do so may result in product malfunction 2 14Slide the compression nuts and olives over the supply pipes 2 15Insert the hot and cold supply pipes fully into the inlet nipples and slide the olives and compression nuts into place Note Align the adjustable inlets to aid location onto the p
24. e slide bar has been 1 supplied with an applicator fitted to end refer to illustration to assist the assembly of the slide bar through the clamp bracket With the clamp bracket button FULLY Clamp Bracket depressed carefully ease the slide bar Constant Friction lt gt through the hole in the clamp bracket Mechanism and Take care not to dislodge the constant Friction Pad friction mechanism or the friction pad 3 Release the clamp bracket button Remove the applicator from the slide Applicator bar and store in a safe place for future use 4 Slide the hose retaining ring onto the slide bar below the clamp bracket 25 mm Minimum S amp S Slide Bar 10 10 11 12 Make sure that the slots in the slide bar are aligned with the lugs in the support and fit the two slide bar supports to the ends of the slide bar Make sure that each support is pushed firmly home Note If replacing an existing Mira Slide Bar proceed to instruction 8 Using the assembled slide bar and supports as a template mark the position of the two fixing holes using the centre slot Warning Make sure that there are no buried cables or pipes in the wall before drilling Drill the two 8 mm holes for the fixing screws and insert the wall plugs supplied Alternatively use proprietary cavity fixings for dry lined stud partition shower cubicle or laminated panel walls Fix the bottom slide bar support to the wall
25. e that the clips on the elbow engage with the backplate Press the shroud over the elbow make sure that it engages with the lugs on the backplate Fit the slide bar handset and soap dish refer to section Mira Logic Exposed Variable Shower Fittings ev 14 Backplate Screws Fixing Holes Copper Pipe Backplate Arrow Backplate Screws Olive O Seal Inside O O Seal Outside Clips Backplate Nut Shroud Shower Cubicle Laminated Panel or Stud Partition Wall Installation 1 The 15 mm copper pipework from the outlet of the shower control must be Q qnem vertical or horizontal and not at an angle so that it does not interfere with Shower the installation screws 2 Drill a 25 mm hole in the wall for the 21 23 mm copper pipework Wallplate 3 Feed the copper pipework through the wallplate and then through the hole in the wall The 15 mm copper pipework f must protrude through the wall by 21 23 mm 15 Note If it is necessary trim the pipe Finished to length remove any burrs before Wall proceeding Surface 4 Place the backplate over the copper Backplate Fixing JA pipe with the arrow pointing up The 19698 d Backplate screw holes should be at 40 to the horizontal ATOW 5 Mark the positions of the two backplate ao fixing holes C7 6 Remove the backplate f
26. e 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 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 person not authorised by Mira Showers or our approved agents This guarantee is in addition to your statutory and other legal rights Before using your shower Please take the time to read and understand the operating and safety instructions detailed in this manual What to do if something goes wrong If when you first use your shower it doesn t function correctly first contact your installer to check that installation and commissioning are satisfactory and in accordance with the instructions in this manual We are on hand to offer you or your installer any advice you may need Should this not resolve the difficulty simply contact our Customer Services who will give every assistance and if necessary arrange for our service engineer to visit If later the performance of your shower declines consult this manual to see whether simple home maintenance is required Please call our Customer Services to talk the difficulty through request service under guarantee if applicable or take advantage of our comprehensive After Sales service As part of our qua
27. er holes 4 Force Turn the spray plate anticlockwise until it clicks three clicks from economy setting Water will flow from the inner set of holes 21 Clamp Bracket Adjustment ev and biv shower fittings only 1 Depress the release button and slide the clamp bracket assembly to the required position Clamp Bracket Assembly 2 Move the handsetto the required angle A friction mechanism within the clamp bracket assembly will hold the handset at the desired angle Shower Head Adjustment bir shower fittings only 1 Move the spray head to the required position The spray head is adjustable in both the horizontal and vertical directions 22 FAULT DIAGNOSIS The trouble shooting information tabled below gives details on what you can do as a user should you encounter difficulties with the shower fittings whilst operating the shower Before replacing any parts make sure that the underlying cause of the malfunction has been resolved Malfunction No flow or low flow rate from shower fittings Spray plate blocked Hose blocked or twisted Partially closed stop or servicing valve in supply pipe work to the shower control Head of water below minimum required Problem with shower control Refer to section Maintenance Cleaning Clear blockage or release twist in hose or renew hose Open valve Raise cistern or fit Mira pump Refer to the shower control Installation
28. essure Loss Bar EXCEL WITH LOGIC FITTINGS LOW CAPACITY SPRAY PLATE 50 unu ECO START START 40 SOOTHE FORCE 30 d 20 LL 10 0 1 2 3 4 5 Pressure Loss Bar Note Pressure conversion 1 bar 10 m head of water 100 kPa INSTALLATION REQUIREMENTS Read the section Important Safety Information first Installation must be carried out in accordance with these instructions and must be conducted by designated qualified and competent personnel 1 2 Installations must comply with UK Water Regulations Bye laws Scotland and Building and Plumbing Regulations in force at the time of installation Layout and sizing of pipework must be such that when other services are used pressures at the shower control inlets are maintained approximately equal and do not fall below the recommended minimum Do not install the product in a position in which service access is restricted Do not fit any form of flow control in the shower outlet only Mira recommended fittings should be used Do not use excessive force when making connections Do not install the product in a position where it could become frozen Supply pipes must be flushed to clear debris before connecting the shower control Conveniently situated isolating valves must be fitted for servicing purposes If the shower control is to be used with a fully modulating multipoint water heater full
29. et Connections 36 Temperature override button disable 37 rub m 38 Fault Diagnosis c 39 43 Us CCAM CE 43 2 Cartridge assembly renewal 43 3 Cartridge assembly O seals inlet strainers renewal 43 5 e 44 Customer ecce ener nain terere nad 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 Excel is a thermostatic shower control with independent selection of spray force and temperature The shower control incorporates a wax capsule temperature sensing unit This 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 the desired level An override button allows the user to exceed the preset maximum temperature The flow control utilizes ceramic plate technology operating directly on the hot and cold inlets to provide precise control and isolation of the i
30. fer to section Maintenance High Capacity Nozzle Ring Installation Clean all the components with a stiff brush If necessary use a plastic kettle descalent in accordance with the manufacturer s instructions Flush thoroughly with water before the shower is used If necessary replace the O seals Refer to section Spare Parts Refit the components in reverse order Make sure that the O seals and the inner and outer nozzle retaining rings are fitted correctly Refer to section Maintenance High Capacity Nozzle Ring Installation 24 Handset Body Assembly Outer Nozzle we Retainer Spray Plate Assembly S Ring High Capacity Nozzle Ring Installation 10 11 Turn the adjuster ring fully anticlockwise Unclip and remove the adjuster ring Unscrew the spray plate assembly in an anticlockwise direction The O seals will provide some resistance Remove the inner and outer nozzle retaining rings Replace the inner and outer nozzle rings with the high capacity versions supplied Ensure that the four O seals are correctly fitted Fit the inner nozzle retaining ring on the spray plate assembly Fit the inner nozzle retaining ring on the spray plate assembly Turn the flow divertor fully clockwise Carefully screw the spray plate assembly onto the flow divertor Align the inner teeth on the adjuster ring with the teeth on the handset flow divertor Clip th
31. hower head should be directed away from the shower control Solid and Dry lined Wall Installation 1 The 15 mm copper pipework from the outlet of the shower control must be vertical so that it does not interfere with the installation screws 15 9 Shower Control 2 The 15 mm copper pipework must protrude through the finished wall surface by 21 23 mm Note If it is necessary to trim the pipe 23 25 mm to length remove any burrs before proceeding 3 Loosely screw the backplate to the 1 15 mm Copper Pipe mounting plate using the two backplate Screws provided 4 Place the mounting plate backplate assembly over the copper pipe 5 Markthe position of the mounting plate and the fixing holes on the wall surface Mounting Plate Backplate Backplate Screws 17 10 11 12 13 14 15 Remove the mounting plate backplate assembly from the wall Separate the backplate and the mounting plate Drill the four mounting plate holes and fit the wall plugs supplied If necessary make a recess 6 mm deep to accept the mounting plate Fit the mounting plate to the wall with the four mounting plate screws supplied The two threaded holes must be horizontal Temporarily fit the two backplate screws into the mounting plate This will prevent the fixing holes from becoming blocked with plaster or grout Finish the surface of the wall a
32. ice visit Mira Showers Kohler Mira Ltd Cromwell Road Cheltenham GL52 5EP P3859 3 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 have functional parts available for ten years from the date of final manufacture of the product 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 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 spares and a 12 month guarantee on the repair Payment should be made directly to the Service Engineer Agent using Visa Mastercard or a cheque supported by a banker s card To contact us England Scotland amp Wales Mira Showers Customer Services Telephone 0870241 0888 8 30 am to 5 00 pm Working days 4 30 pm Friday 8 30 am to 12 30 pm Saturday E mail technical 9 mirashowers com Fax 01242 282595 By Post Cromwell
33. imited Our telephone and fax numbers can be found on the back cover of this guide IMPORTANT SAFETY INFORMATION Warning 1 Products manufactured by us are safe and without risk provided they are installed used and maintained in good working order in accordance with our instructions and recommendations 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 Whenthis 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 CHECKLIST 7 Tick the appropriate boxes to familiarize yourself with the part names and to confirm that the parts are included Mira Logic ev and biv Shower Fittings 2 x Slide Bar End Supports 2 x Wall Plugs L s 2 x Fixing Screws O 2 x Slide Bar _ 1 x Applicator 1 L 1 x Clamp Bracket Assembly 1x Slide Bar ee 2 x Hose Seals 1 x Ho
34. ipework Installation Template b 2 16 Use a suitable spanner to tighten the compression nuts Protect the chromium plated surfaces with a cloth 2 17Turn on the water supplies and check for any leaks 19 Falling Supplies 2 18 Follow the installation instructions 2 1 to 2 10 inclusive 2 19Use the O Key to remove the outlet nipple 2 20 Carefully lever the outlet cap from the outlet blanking plug in the shower control body 2 21 Use the O Key to remove the outlet blanking plug 2 22 Screw the outlet nipple complete with O seal into the hole previously blanked Tighten the outlet nipple with the O Key 2 23 Screw the outlet blanking plug complete with O seal into the outlet hole between the two inlet nipples Tighten the outlet blanking plug with the O Key 2 24 Fit the outlet cap correctly The matching contours of the outlet cap and shower control body must be aligned 2 25 Locate the Excel shower control on to the backplate 20 Outlet Cap Outlet Blanking Plug SS o Tapered End 2 26 Use a Suitable screwdriver to tighten the two screws in the backplate The screws will hold the shower control in position 2 27 Install the hot and cold supply pipes 38 mm from the finished wall at 150 155 mm centres Use the installation template to ensure the pipes are in the right position 2 28 Follow the installation instructions 2 11 to 2 15 inclusive 2 29
35. irst 1 1 1 2 1 3 1 4 Decide on a suitable position for the shower control The position of the shower control 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 back siphonage Use the installation template to mark the positions of the holes for the backplate and the pipe centres For solid walls drill the backplate holes with a 6 mm diameter drill and insert the wall plugs supplied For other types of wall structure alternative fixing may be required Use the two No 8 x 1 3 4 fixing screws supplied to fix the backplate to the wall Make sure that the two angled fixing holes are at the bottom of the backplate 14 Hose Retaining Ring 25 mm Minimum pill over Level Spirit Level Wall Plug Backplate Fixing Screw 1 5 1 6 1 7 1 8 1 9 Use a spirit level and pencil to mark the route of the hot and cold water supply pipes at 150 155mm centres Note The Excel is supplied with inlet connections hot left cold right and bottom outlet as standard For installations with reversed hot and cold supplies complete the installation and refer to section Reversed Inlet Connections Remove the plaster and brick block to the required depth to conceal the pipework Note Depth must be sufficient to prevent pipe concealing plates fouling on the plumbing elbows Install the su
36. ld be checked at yearly intervals and cleaned or replaced to maintain optimum shower performance Refer to 3 Cartridge assembly O seals inlet strainers renewal 1 Cleaning 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 2 Cartridge assembly renewal Read the section Important Safety Information first 2 1 Refer to section Reversed Inlet Connections and follow the instructions to remove the cartridge assembly Note the orientation of the red and blue pillars on the cartridge assembly that identify the hot and cold inlets Normally the red pillar will be on the left unless the cartridge assembly has been rotated for reversed supplies 2 2 Insert the new cartridge assembly into the shower control body 2 3 Refer to sections Reversed Inlet Connections and Commissioning Follow the instructions to complete the installation of the new the cartridge assembly 3 Cartridge assembly O seals inlet strainers renewal Read the section Important Safety Information first 3 1 Referto section Reversed Inlet Connections Follow the instructions to remove the cartridge assembly Note the orientation of the red and blue pillars on the cartridge assembly that identify the hot and cold inlets Normally the red pillar will be on the left unle
37. lity and training programme calls may be recorded or monitored Our Customer Services Team is comprehensively trained to provide every assistance you may need help and advice Spare parts or a service visit Mira Showers Kohler Mira Ltd Cromwell Road Cheltenham GL52 5E P3840 4 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 have functional parts available for ten years from the date of final manufacture of the product 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 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 at a reasonable cost You will have the assurance of a Mira trained engineer agent genuine Mira spares and a 12 month guarantee on the repair Payment should be made directly to the Service Engineer Agent using Visa MasterCard or a cheque supported by a banker s card To contact us England Scotland amp Wales Mira Showers C
38. mark the size of the hole required on the panel Bend the tabs outwards and use a spirit level to ensure that the hole is marked symmetrically Mark around the outside edge of the template Installation Mark around the 4 3 Carefully cut the hole in the panel Template penci Note The support bracket requires a clearance depth of 58 mm with a panel wall thickness of between 4 4 and 18 mm The raised portion on the building in Finished shroud can be used as a depth gauge wall surface Panel wall thicknesses in excess of 18 mm can be accommodated but a clearance will be required around the inlet and outlet connections to allow insertion of pipe and tightening of the compression nuts 4 6mm Minimum Depth 18 mm 58 mm Clearance E Finished wall surface 4 4 To complete the installation refer to section Installation 3 Solid and dry lined walls and follow steps 3 5 to 3 24 23 Maximum depth 28 5 Laminated Panels and Shower Enclosures Rear Face Read the section Installation Requirements first The built in shower control is supplied with a support bracket that can be used to install the shower control onto the rear face of a laminated panel or preformed shower cubicle A foam seal is fitted to the concealing plate assembly to seal the bracket to the wall surface i e tiles This will provide a sufficient seal for most installations
39. mplete the installation refer to 422 ME 5 noggin This will help to Section Installation 3 Solid and sec rethevalve behind a dry lined walls and follow steps 3 12 partition wall to 3 24 Note The shower body has two fixing holes in the back face for securing to the rear face of the wall cavity or timber noggin 30 CONTROL ASSEMBLY FITTING INSTRUCTIONS The procedure below details the steps required to fit the control assembly The procedure is applicable to both the exposed and built in versions 1 sure that the temperature hub is iss ge NG turned to the position illustrated and that the flow stop is at the bottom Note If the red and blue pillars are Temperature reversed due to reversed inlet EUR connections the flow stop will be Flow Stop positioned at the top 2 Make sure that the flow control lever carrier is turned fully clockwise to the off position 2 Flow Lever 3 Fittheflowleverinthe position shown Make sure that the stop ring is fitted to the flow lever as shown on the inset diagram Stop Ring S Note If the red and blue pillars are reversed due to reversed inlet connections remove the stop ring rotate 180 and refit Check the free movement of the flow lever DO NOT FORCE Refer to the section Operation for details Temperature 4 Fit the indicator trim making sure that Stop the arrows line up with the hub and the stop is positioned as shown
40. ncoming water supplies Inlet filters are fitted to protect the thermostatic control mechanism The Mira Excel Exposed Version has adjustable inlets to fit pipework centres between 150 mm and 155 mm Shower controls covered by this guide Mira Excel An exposed shower control for connection to wall mounted or rear entry pipework Mira Excel B A built in shower control for connection to concealed pipework 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 IMPORTANT SAFETY INFORMATION Warning 1 Products manufactured by us are safe and without risk provided they are installed used and maintained in good working order in accordance with our instructions and recommendations Caution Read all of these instructions 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 6 When this product has reached the end of its serviceable life i
41. ng Make sure that there are no buried cables or pipes in the wall before 2 drilling gt 3 Drill the two 8 0 mm fixing holes for n the soap dish at 35 mm centres and 5 insert the wall plugs supplied Wall Plug 4 Screwthe wall bracket to the wall 5 the soap dish onto the wall bracket P 6 This completes the installation of the Mira Logic adjustable shower fittings 12 PA Hose Ring cket Fixing Screw Handset Bracket Retaining Assembly 2 Soap Dish Mira Logic Built in Variable Shower Fittings biv Read the section Installation Requirements before proceeding with the installation The slide bar should be positioned to one side of the shower control at a convenient height for all the family It should be positioned so that the handset discharges down the centre line of the bath or across the opening of the shower cubicle The handset should be directed away from the shower control _ 15 mm Copper Pipe Solid Dry lined Wall Installation 0 0 1 The 15 mm copper pipework from the outlet of the shower control must be vertical or horizontal and not at an angle so that it does not interfere with the installation screws 21 23 mm 2 The 15 mm copper pipework must protrude through the finished wall H surface by 21 23 mm Note If it is necessary to trim the pipe to length rem
42. on pressure taken up by Expansion vessel required unvented cylinder expansion vessel 12 Mains pressurised instantaneous hot water shower heated from a thermal store Packages of this type fitted with a tempering valve can be used A drop tight pressure reducing valve MUST be fitted if the supply pressures exceed 5 bar maintained An expansion vessel MUST be fitted and regularly maintained if any form of backflow prevention device is fitted e g non return valve PRV This will ensure that excess expansion or pulse pressures do not damage the product or the plumbing system The expansion vessel may already be fitted externally or internally within the thermal store check with thermal store manufacturer 9 d a COLD HOT E pM SEE Pumped showers inlet pumps The shower can be installed with an inlet pump twin impeller The pump MUST be located on the floor next to the hot water cylinder The hot water cylinder vent pipes must be arranged as shown to achieve air separation D 30 to 60 LI ae Air Separation 24 13 INSTALLATION Excel 1 Back inlet supplies rising or falling concealed pipework Read the section Installation Requirements f
43. ove any burrs before 15 mm Copper Pipe proceeding Cd i 3 Loosely screw the backplate to the wallplate using the two backplate Screws provided Backplate Backplate Screws Wallplate 4 Place the backplate wallplate assembly over the copper pipe with the arrow pointing up The screw holes should be at 40 to the horizontal 5 Markthe positions of the two wallplate fixing holes 13 10 11 12 13 14 15 16 17 18 19 Remove the backplate wallplate assembly from the wall Separate the backplate and the wallplate Drill the two 6 mm wallplate holes If necessary make a recess 6 mm deep to accept the wallplate Fit the two wall plugs supplied Fit the wallplate to the wall with the two wallplate screws supplied Temporarily fit the two backplate screws into the wallplate This will prevent the fixing holes from becoming blocked with plaster or grout Finish the surface of the wall as required Remove the two backplate screws from the wall Place the backplate over the copper pipe with the arrow facing up and tighten the two backplate screws Make sure that the foam seal abuts the finished wall surface Check that the O seal is fitted inside the backplate nut Fit the olive and the backplate nut over the copper pipe and tighten the nut Check that the second O seal is fitted to the outside of the backplate nut Press the elbow onto the backplate make sur
44. pply pipes The pipes must project 18 mm from the finished surface of the wall at 150 155mm centres Note Use the installation template to ensure pipes are in the right position Finish the surface of the wall as required The recesses from which the pipes emerge must also accommodate the 32 mm diameter x 10 mm deep flanges on the pipe concealing plates Fit the pipe concealing plates over the hot and cold supply pipes 15 18 mm from finished wall surface 32 mm Concealing Plates 1 10 Thoroughly flush the hot and cold water supply pipes The supplies must be clean and free from debris before connecting the shower control Failure to do so may result in product malfunction 1 11 Slide the compression nuts and olives over the supply pipes 1 12 Locate the Excel shower control on to the backplate and supply pipes and hold it in position Note Align the adjustable inlets to aid location onto the pipework 1 13 Use a suitable screwdriver to tighten the two screws in the backplate The screws will hold the shower control in position 1 14Use suitable spanner to tighten the compression nuts anticlockwise rotation when viewed from front Protect the chromium plated surfaces with a cloth Do not overtighten 1 15 Turn on the water supplies and check for any leaks Shower fittings 1 16 Install the shower fittings Refer to the Installation and User Guide fo
45. r 1 3 Maximum static pressure 10 bar Note Nominally equal inlet supply pressures are recommended for optimum performance 2 Temperature Control 2 1 Close temperature control is provided between 35 C and 45 C Note The temperature control specification outlined below is achieved with the blend set between 35 C and 45 C with supply temperatures of 15 C cold and 65 C hot AND nominally equal inlet supply pressures 2 2 The blended temperature is maintained within 2 C with a 10 C change in the hot or cold supply 2 3 The wax capsule sensor effects a shut down to seepage in approximately 2 seconds if the cold supply fails Shut down to seepage is only achieved if the hot supply is 12 C above the blend temperature 3 Standards and Approvals 3 1 Designed to comply with BS EN 1111 and 1287 for thermostatic mixing valves and to be used within systems designed to BS6700 3 2 BS 6700 recommends that the temperature of stored water should never exceed 65 C A stored water temperature of 60 C is considered sufficient to meet all normal requirements and will minimise the deposition of scale in hard water areas 4 Flow Rates EXCEL WITH LOGIC FITTINGS HIGH CAPACITY SPRAY PLATE 50 ANPE ECO START oS START 40 SOOTHE FORCE gt S 30 20 8 LL 10 0 0 1 2 4 5 Pr
46. r Fittings ev 10 Handset Installation 12 Soap Dish InstallatiOni 21er es re 12 Mira Logic Built in Variable Shower Fittings Div 13 Mira Logic Built in Rigid Shower Fittings bir 17 e rule eee ten 21 Changing Spray Settings oci d ctore 21 Clamp Bracket Adjustment ev and biv shower fittings only 22 Shower Head Adjustment bir shower fittings only 22 Fault DIAGNOSIS dee 23 E 24 24 High Capacity Nozzle Ring Installation 25 26 Mira Logic ev and biv Spares List 26 Mira Logic ev and biv Spares Diagram 27 Mira Logic bir Spares 5 ere terere tret etse 28 Mira Logic bir Spares Diagram 28 ACCOSSONIOS D 29 Lc 30 Customer Service mnnnenennnnnnnnnnss 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 Mira Logic Adjustable Shower Fittings This Installation
47. r the shower fittings X Olive Compression Nut Backplate Screws 16 2 Exposed supplies rising or falling surface pipework Read the section Installation Requirements first Rising Supplies 2 1 2 2 2 3 2 4 Decide on a suitable position for the shower control The position of the shower control 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 back siphonage Use the installation template to mark the positions of the holes for the backplate and the pipe centres For solid walls drill the backplate holes with a 6 mm diameter drill and insert the wall plugs supplied For other types of wall structure alternative fixing may be required Fix the backplate to the wall with the two fixing screws supplied Make sure that the angled fixing holes are at the bottom of the backplate 17 Hose Retaining Ring 25 mm Minimum wo pill over Level C Installation Template Wall Plug Backplate Fixing Screw 2 5 2 6 2 7 2 8 2 9 Use the O Key or a Suitable screwdriver to remove the blanking plugs from the rising supply inlets Use the O Key to remove the inlet nipple bolts from the rear supply inlets Remove the inlet nipples Align and fit the inlet nipples complete with O seals into the rising supply inlets Fit and tighten th
48. rate and or unstable fluctuating temperature Spray plate assembly blocked Incorrect spray plate fitted Partially closed stop or servicing valve in supply pipe work to shower control Instantaneous boiler cycling on and off as flow rate pressure too low Head of water below minimum required Inlet strainer blocked Clean the spray plate Refer to the shower fitting maintenance guide Fit high capacity spray plate Open valve Fit high capacity spray plate Increase flow pressure through system Contact boiler manufacturer Raise cistern or fit Mira pump Clean or renew Flush pipework before refitting Malfunction Other hot or cold draw off being used causing wide pressure changes orinstantaneous boiler temperature changes Supply pressures unequal Do not use other outlets whilst showering Refer to Section 6 Installation Requirements Drip from handset spray plate assembly or bir spray plate small 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 Defective ceramic plates within the shower cartridge This is quite normal Changing the angle of the shower fitting may vary the draining time Renew the cartridge assembly Check that the pressures are not in excess of the maximum for product refer to Fault Diagnosis Flow control lever stiff
49. rization Malfunction High inlet supply pressures Maximum maintained pressure for shower should not exceed 5 bar If greater fit a drop tight pressure reducing valve PRV just after the property incoming mains stopcock effectively balancing the hot and cold supply pressures Ideally set the PRV at 3 5 bar Excel noisy during operation Unbalanced inlet supply pressures High inlet supply pressures Balance Excel inlet supply pressures Fit a drop tight PRV just after the incoming mains stopcock effectively balancing the hot and cold supply pressures Ideally set the PRV to 3 5 bar Maximum maintained pressure for shower should not exceed 5 bar If greater fit a drop tight PRV installed as detailed above Only full hot or full cold available Reversed inlet supplies Inlet strainer blocked Refer to Section 9 Reversed Inlet Connections Clean or renew Unable to turn off flow Unable to rotate flow knob Control knobs fitted incorrectly Refer to Section 8 Control Assembly Fitting Instructions MAINTENANCE The Mira Excel is designed to be maintenance free as such there are no serviceable parts in the cartridge However regular cleaning will keep the shower in pristine condition refer to 1 Cleaning Strainers are fitted to the inlets of the mixer to protect the cartridge and will give many years of trouble free showering Strainers shou
50. rom the wall Drill the two 5 5 mm backplate holes 8 Place the backplate over the copper pipe with the arrow facing up 9 Hold the wallplate in position behind gt Backplate the wall Insert the two backplate screws through the holes in the wall and fit them to the wallplate Ensure that the foam seal abuts the finished wall surface Backplate Screws 15 10 11 12 13 Check that the O seal is fitted inside the backplate nut Fit the olive and the backplate nut over the copper pipe and tighten the nut Check that the second O seal is fitted to the outside of the backplate nut Press the elbow onto the backplate make sure that the clips on the elbow engage with the backplate Press the shroud over the elbow make sure that it engages with the lugs on the backplate Fit the slide bar handset and soap dish refer to section Mira Logic Exposed Variable Shower Fittings ev 16 Olive O Seal Inside O Seal Outside Clips Backplate Nut Elbow Shroud Mira Logic Built in Rigid Shower Fittings bir Read the section Installation Requirements before proceeding with the installation The shower head should be positioned to one side of the shower control at a convenient height for all the family It should be positioned so that the spray discharges down the centre line of the bath or across the opening of the shower cubicle The s
51. s required Remove the two backplate screws from the wall Fix the backplate to the wall using the two backplate screws Fit the olive over the copper pipe and tighten the backplate nut into position 18 Screws Backplate Backplate 7 em Copper Pipe Backplate Nut 16 17 18 19 21 Ensure that the O seal is fitted on the backplate nut Push the BIR assembly over the backplate nut onto the backplate BIR Assembly Fix the BIR assembly to the backplate using the four cover screws provided Note If necessary a 9 l min flow i regulator can be fitted in the BIR assembly with an adaptor contact Customer Services Fix the upper shroud to the BIR assembly using the four self tapping 2 S Upper Shroud screws provided Snap the lower shroud into position Install the soap dish refer to section Soap Dish Installation Self tapping Screws Lower Shroud 19 The 15 mm copper pipework from the outlet of the shower control must be vertical so that it does not interfere with the installation screws Cut a 25 mm hole in the panel Cut two 5 5 mm holes at 48 mm centres in the panel Place the mounting plate behind the panel and feed the copper pipe through the mounting plate and the panel Make sure thatthe pipe protrudes 22 25 mm from the wall Note If it is necessary to trim the pipe to length remove any burrs before pro
52. se Retaining Ring 1 x Soap Dish L 2 x Soap Dish 1x1 25m M Wall Plugs Flexible Hose y X E 2 x Soap Dish Documentation 1 x Soap Dish Fixing Screws Wall Bracket 1 x Installation and User Guide CT 1 x Guarantee Card L1 Mira Logic biv Shower Right Angle Connector Fittings Pack 1 2x wall Plugs O 1 x Backplate 1 x Olive 1 Backplate Nut 1 x Elbow P odi 12x Backplate Screws L12 9 Seals Mira Logic bir Shower Fittings 1 x Shroud O 1 x Mounting Plate EN O 4 x Mounting Plate Screws 4 x Wall Plugs 1 x Backplate Top Cover 4 x BIR Screws A A BIR Assembly 12x Backplate Screws 1 Backplate Nut 1x Seal 4 Cover Screws Documentation 1 x Installation and User Guide O 1 x Bottom Cover 1 x Guarantee Card O Mira Logic ev and biv Shower Fittings F 344 mm Max 156 1 Y 44 mm Mira Logic bir Shower Fittings SPECIFICATIONS Minimum maintained pressure with low capacity nozzle ring fitted as supplied 0 1 bar with high capacity nozzle ring fitted 0 2 bar Maximum maintained pressure 5 0 bar Warning Exceeding the stated maximum maintained pressure could result in excessive spray forces and possible damage to the product These are the typical flow performance graphs for the Mira Logic adjust
53. ss the cartridge assembly has been rotated for reversed supplies 3 2 Renew the O seals as necessary 3 3 Use a suitable tool to remove the inlet strainers and clean or renew as necessary The inlet strainers must be fitted squarely and flush in the valve body If necessary flush the supply pipework to remove any residual debris 3 4 Insert the cartridge assembly into the shower control body 3 5 Refer to section Reversed Inlet Connections and follow the instructions to complete the installation of the cartridge assembly 43 SPARE PARTS 1 Excel spare parts list 451 67 Hub Pack 451 71 Cartridge Assembly Inlet Filters 451 72 Inlet Filters 451 74 Component Pack components identified A 451 76 Seal Pack components identified B 451 77 Screw Pack not illustrated 451 81 Temperature Knob Flow Lever Assembly chrome 451 82 Temperature Knob Flow Lever Assembly satin chrome 451 83 Temperature Knob Flow Lever Assembly white gold 451 86 Installation Template 451 87 Backplate white 451 88 Backplate chrome 451 89 Backplate satin chrome 553 35 Outlet Nipple chrome 553 54 Outlet Nipple light golden 466 01 Compression Fitting Kit chrome 466 02 Compression Fitting Kit light golden 1608 010 Blank Plug Pack chrome 1608 011 Blank Plug Pack gold 1608 019 Outlet Blank Plug chrome 1608 020 Outlet Blank Plug gold 44 2 Excel spare parts diagram 451 87 451 88 Cak b Le 3 1608 019
54. supplied Do not overtighten the screws Note If the finish is particularly uneven i e due to grout lines apply a small amount of silicone sealant to ensure a seal 3 22 Fit the shroud and concealing plate over the backplate Firmly push the concealing plate until it clips into position Shroud Concealing Plate 26 3 23Fit the control assembly refer to section Control Assembly Fitting Instructions 3 24 Install the shower fittings Refer to the shower fittings Installation and User Guide 27 4 Stud Partitions and Shower Enclosures Front Face Read the section Installation Requirements first The built in shower control is supplied with a support bracket that can be used to install the shower control into the front face of a stud partition wall structure or shower enclosures The front face installation of the support bracket is only practical where an applied surface finish e g plaster or tiles can conceal flanges of the bracket A foam seal is fitted to the concealing plate assembly to seal the bracket to the wall surface i e tiles This will provide a sufficient seal for most installations to prevent ingress of water into the wall cavity 4 1 Referto section Installation 3 Solid dry lined walls and follow steps Spirit Level F 3 1 to 3 3 Bend tabs outwards and place spirit level on tabs to level the template 4 2 Use the installation template supplied to
55. t should be disposed of in a safe manner in accordance with current local authority recycling or waste disposal policy PACK CONTENTS CHECKLIST 7 Tick the appropriate boxes to familiarize yourself with the part names and to confirm that the parts are included Excel shower control 1 x Excel 2 x No 8 x 3 4 Screws O 2 x Compression Nuts O 2 x Olives O 2 x Pipe Concealing Plates 2 x Wall Plugs Documentation 1 x Installation and User Guide 1 x Customer Support Brochure E 1 x Installation Template O Excel B shower control 1 x Excel BL with building in shroud 1 x Concealing Plate Assembly 2 x No 8 1 1 4 Screws L 1 x Knob Assembly amm Am 4 x M5 x 50 mm Screws 2 fitted O uuu 2 x M4 x 30 mm Screws O ea 9 2 x Wall Plugs Documentation x Compression Nuts L 1 x Installation and User Guide O e e e 1 Customer Support Brochure O 3 x olives E 1 x Installation Template 134 2 13 EN 08 100 150 155 NOTE NOT TO SCALE All dimensions are nominal and in millimetres Excel B 22 155 61 78 155 151 208 SPECIFICATIONS 1 Pressure Ranges Excel amp Excel B 1 1 Minimum maintained pressure 0 1 bar 1 0 metre head when used with Mira shower fittings 1 2 Maximum maintained pressure 5 0 ba
56. taining Ring satin chrome Soap Dish Pack chrome Soap Dish Pack gold Adjustable Handset Assembly white Adjustable Handset Assembly chrome LC Spray Plate Pack for white amp white gold fittings HC Spray Plate Pack for white amp white gold fittings LC Spray Plate Pack for chrome amp satin chrome fittings HC Spray Plate Pack for chrome amp satin chrome fittings Slide Bar Support Assembly gold components identified D Hose Washer 26 Mira Logic ev and biv Spares Diagram 450 06 450 19 45024 450 25 450 11 450 16 450 30 gp 450 31 450 01 450 02 450 18 450 12 L 450 32 450 33 27 Mira Logic bir Spares List 450 08 450 12 450 13 450 19 450 32 450 36 450 37 450 38 450 39 450 41 450 42 450 43 Service Pack O seals components identified A Soap Dish Pack white Adjuster Ring white Adjuster Ring chrome Soap Dish Pack chrome LC Spray Plate Pack white HC Spray Plate Pack white LC Spray Plate Pack chrome HC Spray Plate Pack chrome bir Assembly white bir Assembly chrome bir Mounting Pack Consisting of Back Plate Nut O Seal Olive Back Plate Wallplate 2 M5 x 40 Screws and 4 M4 x 12 Screws Mira Logic bir Spares Diagram 450 19 28 ACCESSORIES DCV H An outlet double check valve designed to prevent the backflow or backsiphonage of potentially contaminated
57. tion Control Assembly Fitting Instructions 1 10 Restore the hot and cold water supplies and check for any leaks 32 Make sure that the large cartridge seal is first located in the shower control body Cartridge Cartridge Retaining Screw Control Assembly 33 COMMISSIONING 1 Maximum temperature setting All Mira Excel shower controls are fully performance tested and the maximum temperature has been set under ideal installation conditions at the factory The temperature stop is set to 41 C and depressing the override will increase the temperature by 5 C to approximately 46 C Site conditions and personal preference may make it necessary to reset these temperatures Note An adequate supply of hot water at least 12 C above the required temperature must be available for correct operation of the shower control 1 1 Turn the temperature knob to the full hot position Do not depress the override button 1 2 Adjust the flow control to give a typical shower force and allow the temperature to stabilise 1 3 Measure the water temperature If the Flow Lever Temperature Knob temperature is satisfactory then no 7 Le adjustment is needed If adjustment f is necessary continue with the 22 gt gt 2 commissioning procedure jf cene 1 4 Turn the shower off and carefully pull off the temperature knob 1 5 Remove the temperature hub securing Screw 1 6 Carefully remove the
58. to operate Maximum shower temperature too hot or too cold Maximum temperature incorrectly set Reset the maximum temperature Refer to Section 10 Commissioning Maximum Temperature Setting Malfunction Shower temperature too cold maximum temperature correctly set Hot water temperature less than 12 C above the required shower blend temperature Instantaneous boiler not igniting because the water flow rate is too low Instantaneous boiler not igniting because the water pressure is too low Adjust the hot water temperature or wait for the water to reheat if stored system Fit high capacity spray plate Increase flow rate through the system Check the cartridge inlet filters clean or replace Contact boiler manufacturer Increase water pressure Contact boiler manufacturer Leak from shower control body Cartridge inlet or outlet seals missing or damaged Pressure build up causing damage to the cartridge This may be due to domestic hot water expansion Fit new seals Fit domestic hot water expansion vessel If one already fitted it may be deflated and require repressurization If necessary fit new cartridge Flow control lever stiff to operate Pressure build up This may be due to domestic hot water expansion Fit domestic hot water expansion vessel If one already fitted it may be deflated and require repressu
59. to prevent ingress of water into the wall cavity Note This installation is only possible with a finished wall thickness between 6 and 21 mm 5 1 Refer to section Installation 3 Solid and dry lined walls and follow instructions 3 1 to 3 3 5 2 Use the installation template supplied to mark the size of the hole required on the panel Bendthe tabs outwards and use a spirit level to ensure that the hole is marked symmetrically Mark through the inner slots of the template 5 3 Carefully cut the hole in the panel Note The support bracket requires a clearance depth of 58 mm with a finished wall thickness between 6 and 21 mm 5 4 Fit the valve in position and mark the position of the holes for the support brackets 5 5 Drill a 5 0 mm diameter hole at each of the marked positions 29 Installation Template Spirit Level Lo Ve Bend tabs TO Z outwards and P place spirit level on tabs to level the template Mark through the slot in the template with a pencil 6 mm Minimum Depth 58 mm Clearance 21mm Maximum depth 5 6 5 7 5 8 Remove the outer sections of the building in shroud and fix the support bracket and valve in position using the two M4 x 30 mm screws supplied Align the hot and cold supply and top outlet pipes with the valve but do not secure the pipes M4 x 30 mm Screws Two holes in the back To co
60. ustomer Services Telephone 0870 241 0888 8 30 am to 5 00 pm Working days 4 30 pm Friday 8 30 am to 12 30 pm Saturday E mail technical mirashowers com Fax 01242 282595 By Post Cromwell Road Cheltenham Gloucestershire GL52 5EP Northern Ireland Wm H Leech amp Son Ltd Telephone 028 9044 9257 Mon to Fri 9 am 5pm Fax 028 9044 9234 Post Maryland Industrial Estate Ballygowan Road Moneyreagh Co Down BT23 6BL Republic of Ireland Modern Plant Ltd Telephone 01 4591344 Mon to Fri 9am to 5pm Fax Dublin 01 4592329 Post Otter House Naas Road Clondalkin Dublin 22 mira SHOWERS FM 14648 Kohler Mira Limited September 2005 MIRA LOGIC SHOWER FITTINGS Installation amp User Guide These instructions are to be left with the user CONTENTS WM EPO CUCHION E X 3 Important Safety Information ss 4 Pack Contents Checklist sine 5 Mira Logic ev and biv Shower 0 2 5 Mira Logic biv Shower Right Angle Connector Fittings Pack 6 Mira Logic bir Shower Fittings 6 DIMENSIONS 222582 LER 7 Mira Logic ev and biv Shower Fittings 7 Mira Logic bir Shower 7 jer pm C E EE 8 Installation Requirements ins 9 rrt pL 10 Mira Logic Exposed Variable Showe
61. water through shower controls which are fitted with a flexible hose as part of the outlet shower fitting The inclusion of the Mira DCV H will increase the required supply pressure typically by 0 1 bar Available as an optional accessory from Customer Services DCV H Outlet Double Check Valve Part no 110 55 9 litre minute Flow Regulator Designed to limit the flow rate for the Mira Logic fittings in high pressure installations Contact Customer Services for the flow regulator options for bir fittings 9 Litre minute Flow Regulator Part no 146 84 29 NOTES 30 NOTES 31 CUSTOMER SERVICE Guarantee of Quality Mira Showers guarantee your product against any defect in materials or workmanship for the period shown in 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 in Northern Ireland and Republic of Ireland 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 Damage or
62. y modulating combination boiler thermal store or unvented system an expansion vessel must be fitted to accommodate the expansion of water in the domestic hot water supply this may already be part of the system check the details on the boiler heater or contact the boiler heater manufacturer Typical Suitable Installations Key to symbols appearing throughout this guide ia oed Float operated valve Twin impeller inlet pump Stop or servicing valve Tempering valve Shower control Mini expansion vessel Warning or overflow pipe Non return valve Drop tight pressure reducing valve PRV 10 Instantaneous gas heated showers e g combination boilers The shower control MUST be installed with a multipoint gas water heater or combination boiler of a fully modulating design i e where the water draw off rate indirectly controls the gas flow rate to the burner A drop tight pressure reducing valve MUST be fitted if the supply pressures exceed 5 bar maintained An expansion vessel MUST be fitted and regularly maintained as shown in the diagram below to ensure that excess pressures do not damage the product This may already be fitted within the boiler check with the manufacturer and is in addition to the normally larger central heating expansion vessel The hot supply temperature MUST be at least 12 C hotter than the required blend temperature for optimum performance COLD HOT n

Installation & User Guide MIRA EXCEL SHOWER CONTROL

Contents

Download Pdf Manuals

Related Search

Related Contents

Installation &amp; User Guide MIRA EXCEL SHOWER CONTROL

Contents

Download Pdf Manuals

Related Search

Related Contents

Installation & User Guide MIRA EXCEL SHOWER CONTROL