Related Manuals for Mira Element Thermostatic Mixer
Summary of Contents for Mira Element Thermostatic Mixer
- Page 1 Mira ElEMEnt thErMostatic MixEr installation and User Guide These instructions must be left with the user.
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Page 2: Table Of Contents
ConTenTs Introduction ..................... 3 Guarantee .................... 4 recommended Usage ................4 Patents and Design registration ............4 safety : Warnings ..................5 Pack Contents ..................6 Dimensions ....................8 Specifications ..................9 operating Parameters ................9 Installation Requirements ..............11 Installation ..................... -
Page 3: Introduction
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 Element thermostatic Mixer is a thermostatic shower control with a single control lever for on/off and temperature control. -
Page 4: Guarantee
Guarantee For domestic installations, Mira showers guarantee the Mira Element against any defect in materials or workmanship for a period of five years from the date of purchase (shower fittings for one year). For non-domestic installations, Mira showers guarantee the Mira Element against any defect in materials or workmanship for a period of one year from the date of purchase. -
Page 5: Safety : Warnings
: WARnInGs this Mira Element thermostatic Mixer is precision engineered and should give continued safe and controlled performance, provided: it is installed, commissioned, operated and maintained in accordance with manufacturers recommendations. Periodic attention is given, when necessary, to maintain the product in good functional order. -
Page 6: Pack Contents
PACk ConTenTs tick the appropriate boxes to familiarize yourself with the part names and to confirm that the parts are included. exposed element Thermostatic Mixer 1 x Mira Element thermostatic Mixer 2 x Wall Plugs 2 x concealing Plates 2 x no 8 x 1 ¼”... - Page 7 Built-in element Thermostatic Mixer 1 x Mira Element thermostatic Mixer 1 x control assembly (attached to the Building-in shroud) 3 x compression nuts 3 x olives 1 x ‘o’ Key 1 x 12 l/Min 2 x Wall Plugs Flow regulator 1 x 2.5 mm...
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Page 8: Dimensions
DIMensIons exposed element Thermostatic Mixer Ø70 Ø56 Built-in element Thermostatic Mixer 67 - 85 Building-in Depth all dimensions in mm. -
Page 9: Specifications
sPeCIFICATIons operating Parameters For Type 2 Valves, the supply conditions specified in section: ‘Type 2 Valves - Application’ take precedence over the operating parameters which follow. Pressures Maximum static Pressure: 10 Bar. Maximum Maintained Pressure: 5 Bar. Minimum Maintained Pressure (Gas Water heater): 1.0 Bar. (for optimum performance supplies should be nominally equal). - Page 10 Flow Rates typical Flow rates on low Pressure systems (0.1 Bar to 1 Bar) - Mira Element with l10 adjustable Fittings or rigid head: typical Flow rates on high Pressure systems (1 Bar to 5 Bar, with 12 litre/Min Flow Regulator fitted in shower control outlet) - Mira Element with L10 Adjustable...
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Page 11: Installation Requirements
Valve Overflow Indicator Mini Expansion Vessel Pressure reducing Valve the Mira Element thermostatic Mixer is compatible with the following systems: Gravity fed system the thermostatic Mixer MusT be fed from a cold water cistern and hot water cylinder providing nominally equal pressure. - Page 12 unvented mains pressure system the thermostatic Mixer can be installed with a unvented, stored hot water cylinder. note! We recommend the use of a 12 l/Min outlet Flow regulator (supplied). Mains pressurised instantaneous hot water system (thermal store) the thermostatic Mixer can be installed with systems of this type with balanced pressures.
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Page 13: Installation
InsTALLATIon General installation must be carried out in accordance with these instructions, and must be conducted by designated, qualified and competent personnel. the installation must comply with the “Water supply regulations 1999 (Water Fittings)” or any particular regulations and practices, specified by the local water company or water undertakers. -
Page 14: Installation Methods
Installation Methods rear Entry supplies exposed element Thermostatic Mixer the exposed Element Mixer can be installed with rear, rising or falling supply inlets. For rear entry supplies, go to section: ‘exposed Thermostatic Mixer, 1. Rear rising or Falling supplies entry supplies’. -
Page 15: Exposed Thermostatic Mixer
exposed Thermostatic Mixer 1. Rear entry supplies (rising or falling concealed pipework) 1.1 Use the installation template to mark the positions of the holes for the Backplate and the pipe centres. note! allow a minimum of 150 mm either side of the Mixer, to allow access to the hot and cold inlet Filters for servicing. - Page 16 1.6 loosen the Grubscrew with the 2.5 mm hexagon Key (supplied) and remove the Backplate from the Mixer. 1.7 secure the Backplate to the wall using the screws (supplied). 1.8 Fit the concealing Plates. note! Apply silicone sealant to the back face of the flange. Caution! it is essential at this point that the supply pipework is thoroughly flushed through before connection to the Mixer.
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Page 17: Rising Or Falling Supplies
2. Rising or Falling supplies 35 mm 2.1 loosen the Grubscrew on each Elbow using the 2.5 mm hexagon Key (supplied) and rotate the Elbow 90° as required. retighten the Grubscrews. 2.2 Use the installation template to mark the positions of the fixing holes for the Backplate. - Page 18 2.5 Fit the supply pipework (Hot - Left, Cold - Right). note! if the connections are reversed, complete the installation then refer to section: ‘Reversed Inlet supplies’ before commissioning. Cold 2.6 loosen the Grubscrew with the 2.5 mm hexagon Key (supplied) and remove the Backplate from the Mixer.
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Page 19: Built-In Thermostatic Mixer
Built-in Thermostatic Mixer 1. solid Wall or stud Partition (using securing Brackets - Mounting off Front Face of Wall) 1.1 Determine the route for the hot and cold supply pipework and for the outlet pipework. When connecting to the BiV shower Fittings it is recommended that the outlet be positioned above and to one side of the Mixer. - Page 20 1.7 Fit the securing Brackets to the Mixer countersunk Fixing hole with the Bracket securing screws. Important! Make sure that the rotate for suitable correct holes are used, otherwise the Fixing Point Backplate cannot be fitted. Backplate securing hole note! the securing Brackets can be rotated for suitable fixing points.
- Page 21 1.14 attach the Building-in shroud to the Mixer using the two shroud screws Minimum finished removed earlier. wall surface 1.15 Using the ‘Finished Wall indicator’ Finished Wall F9802 on the Building-in shroud as a guide, finish the wall, e.g. tiles. Caution! Make sure that the finished Maximum finished wall is within the maximum and...
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Page 22: Solid Wall Or Stud Partition (Using Rear Fixing Points On The Thermostatic Mixer)
2. solid Wall or stud Partition (using Rear Fixing Points on the Thermostatic Mixer) 2.1 refer to section: ‘1. solid Wall or Finished Wall stud Partition (using securing surface Brackets - Mounting off Front Face of Wall)’ and follow steps 1.1 to 1.4. - Page 23 2.3 Make sure that the Mixer is level and central in the hole, and square to the outlet Pipe to Fittings finished wall surface (or the control components will not fit correctly), then mark the positions of the Fixing screw holes on the wall. 2.4 For solid walls drill two 6 mm holes for the Wall Plugs.
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Page 24: Laminated Panel
3. Laminated Panel (using securing Brackets - Mounting on Rear Face of Wall) note! For laminated panels the Mixer must be positioned from the rear of the panel. Panel thickness must be between 4 and 12 mm (if a thicker panel is used, it will be necessary to recess the securing Brackets into the rear of the panel). - Page 25 3.6 Drill the two 5.5 mm holes for the fixing positions (countersink the holes at the front). 3.7 s e c u r e t h e M i x e r w i t h t h e M5 x 40 screws as shown. 3.8 Fit the hot and cold supply pipes (hot - left, cold - right) and tighten the compression nuts.
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Page 26: Control Assembly (Built-In Models)
Control Assembly (Built-in Models) Unscrew and remove the control lever handle. loosen the Grubscrew (by approximately 4 turns) and pull off the control lever and Bearing. carefully unclip the concealing Plate from the Backplate. note! Use a screwdriver in the cutout to assist separation. align the slots in the Backplate with the lugs on the hub (refer to illustration), and fit the Backplate to the Mixer. -
Page 27: Reversed Inlet Supplies
ReVeRseD InLeT suPPLIes the Mira Element thermostatic Mixer is supplied with inlet connections Hot - Left, Cold - Right as standard. if the hot and cold water supply pipes have been reversed during installation the thermostatic cartridge must be removed and rotated 180°. - Page 28 Built-in Models cartridge seal shroud screws concealing Plate Bearing Backplate cutout control lever exposed Models Grubscrew control lever handle ‘o’ Key cartridge seal Bearing control lever Grubscrew control lever handle...
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Page 29: Commissioning
CoMMIssIonInG Maximum Temperature setting Before using the shower the maximum temperature must be checked to make sure that it is at a safe level. it has been preset to approximately 43°c at the factory but due to variations in site conditions the maximum temperature may need adjustment. note! Make sure that the hot water temperature is at least 55°c and that there is sufficient supply. -
Page 30: Operation
Mira Element thermostatic Mixer is a thermostatic shower control with a single sequential control lever for on/off and temperature control. the control lever operates anti-clockwise in the following sequence: Maximum Preset temperature cold Warm Maximum Preset temperature... -
Page 31: Fault Diagnosis
FAuLT DIAGnosIs symptom Cause / Rectification only hot or cold inlets reversed (hot supply to cold supply). refer wa t e r fr o m the to section: ‘Reversed supplies’. Mixer outlet. no hot water reaching the Mixer. check the Filters for any blockage. installation conditions outside operating parameters: refer to sections: ‘Specifications’... -
Page 32: Maintenance
Periodic attention is given, when necessary, to maintain the product in good functional order. the Mira Element thermostatic Mixer is designed for the minimum of maintenance in normal use. The only serviceable parts are the inlet filters which should be checked and cleaned every 12 months. - Page 33 Start Measure and record supply temperatures and pressures. Make sure that they are within Valve specifications. Measure and record blend temperature (Tb) and flow rate. Has flow rate fallen Check and clean checkvalves, significantly or fallen strainers and outlet. below minimum flow specification? Measure and record blend temperature...
- Page 34 Inlet Filters the inlet Filters should be checked and cleaned as necessary every 12 months. note! the inlet Filters must not be removed except for cleaning. if the thermostatic Mixer is operated without the Inlet Filters fitted the Warranty on the product will be void.
- Page 35 Built-in Models note! refer to illustrations in section: ‘Control Assembly (Built-in Models)’. isolate the hot and cold water supplies and operate the control lever to drain any residual water. Unscrew the control lever handle, loosen the Grubscrew and pull off the control lever and Bearing.
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Page 36: Type 2 Valves
TyPe 2 VALVes Application the approved designations for type 2 Valves are as follows: Model Designation Mira Element lP-s, hP-s the permitted application details are: Designation operating Application Mixed Water Pressure Range Temperature °C † lP-s low Pressure shower 41°c Maximum... -
Page 37: Spare Parts
PARTs exposed element Thermostatic Mixer 1062470 Seal Pack (identified ‘A’) 1062471 component Pack 1062472 Elbow cap 1062473 Elbow assembly 1062474 cartridge assembly 1062476 Backplate 1062477 Filter Pack (x 2) 1062478 Elbow connector Pack 1062479 outlet connector Pack 1063660 Screw Pack (identified ‘B’) - Page 38 1062472 1063661 1062477 (2 off) 1062476 1062478 1062473 1062474 1062479 1617.162 1617.196 1063662 1062471 1617.163 1617.164 1063671...
- Page 39 Built-in element Thermostatic Mixer 1062474 cartridge assembly 1063662 Bearing 1063671 ‘o’ Key 1595.046 Seal Pack (identified ‘A’) 1595.066 Filter Pack (x 2) 1595.067 Screw Pack (identified ‘B’) 1595.149 outlet connector Pack 1595.150 Elbow assembly 1595.070 component Pack 1617.162 control lever Pack 1617.163...
- Page 40 1595.150 1595.066 (2 off) 1062474 1595.149 1617.196 1063662 1617.162 1617.168 1595.070 1617.163 1617.164 1063671...
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Page 41: Accessories
ACCessoRIes Genuine Mira accessories can be purchased direct from customers services (our contact details can be found on the back cover of this guide) or from approved stockists or merchants. eco showerhead everclear showerhead showerhead Holder White - 2.1668.001 White - 2.1616.030 White - 1.1540.270... - Page 42 noTes...
- Page 43 noTes...
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Page 44: Customer Service
You have the assurance of a ● Water or electrical supply, waste and isolation issues. fully trained Mira technician, genuine Mira spare parts and a 12 month guarantee on any chargeable work done. ● Compensation for loss of use of the product or consequential loss of any kind.
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