Mira Sport Installation, Operation, Maintenance Manual

Mira Sport Installation, Operation, Maintenance Manual

10.8 kw electric showers
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ELECTRIC SHOWERS
Installation
Operation
&B
Maintenance Guide
THESE INSTRUCTIONS ARE TO BE LEFT WITH THE USER
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Table of Contents
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Summary of Contents for Mira Sport

  • Page 1 ELECTRIC SHOWERS Installation Operation &B Maintenance Guide THESE INSTRUCTIONS ARE TO BE LEFT WITH THE USER back...
  • Page 2: Table Of Contents

    Contents Section Page 1 ..Introduction ..............3 2 ..Important Safety Information ........... 4 3 ..Pack Contents Checklist ..........6 4 ..Dimensions ..............7 5 ..Wiring Diagram ..............8 6 ..Specifications ..............9 7 ..Installation Requirements ..........10 8 ..
  • Page 3: Introduction

    These can result from taps being turned on or off or toilets being flushed. Mira Sport 10.8 - A 10.8 kW 240 V AC (9.9 kW 230 V AC) heater with a Mira RF1 adjustable spray handset with three different spray actions (start, force and soothe).
  • Page 4: Important Safety Information

    1.5. Make sure that any pipework that could become frozen is properly insulated. 1.6. DO NOT operate this Mira Sport if it is frozen. Allow the Mira Sport to thaw before using again. DO NOT use if suspected of being frozen.
  • Page 5 2.8. When this Mira Sport has reached the end of its serviceable life, it should be disposed of in a safe manner, in accordance with current local authority...
  • Page 6: Pack Contents Checklist

    Section Pack Contents Checklist Tick the appropriate boxes to familiarize yourself with the part names and to confirm that the parts are included. 1. Mira Sport 10.8 kW 1 x Mira Sport 10.8 1 x Olive 1 x Compression Nut...
  • Page 7: Dimensions

    Section Dimensions 203 mm 76 mm 342 mm...
  • Page 8: Wiring Diagram

    Section Wiring Diagram Overheat Pressure Switch 89 Brown 87 Brown 85 Red Thermal Cutout Dual Disc Brown Black Load Stop Black Solenoid Relay PCB Valve 98 Blue Green Blue 90 Blue 91 Green Tank Connection 92 Green Inlet Connector...
  • Page 9: Specifications

    2.2. The terminal block will not accept cable larger than 16 mm 3. Standards and Approvals 3.1. The Mira Sport has been designed to comply with the requirements of the British Electrotechnical Approvals Board (BEAB) and UK Water Regulations/Bylaws (Scotland)
  • Page 10: Installation Requirements

    15 mm compression fitting supplied from the top, bottom or back. 1.5. Do not fit the Mira Sport to the wall and tile up to the case. The Mira Sport must be fitted on to the finished flat and even wall surface. This is important as difficulty...
  • Page 11 As these Mira Sports are high power units, it is essential to contact your electricity supply company to ensure that the supply is adequate for the Mira Sport. Voltage drop due to local heavy demand will reduce the shower's performance.
  • Page 12 45A MCB type B and allowing for a 5 volt drop: Mira Sport 10.8 kW (240 V AC) at 240 V - 15 metres 6 mm cable Mira Sport 10.8 kW (240 V AC) at 240 V - 25 metres 10 mm cable 2.5.
  • Page 13 Plumbing and Electrical Schematic Diagram...
  • Page 14: Installation

    1.6. Swivel the inlet connector assembly to suit. Remove the inlet blanking cap. Avoid trapping the green earth bonding wire. 1.7. Two case inserts are supplied with the Mira Sport, so that they can be trimmed to suit the supplies entering the product. Before fitting the case, make sure that the case inserts are fitted.
  • Page 15 1.10. Drill and plug the top two fixing holes. Secure the Mira Sport to the wall with the screws provided. Drill the bottom fixing hole with the product in place. Alternative fixings (not supplied) may be necessary for some wall structures.
  • Page 16 Cold Water (Shown trimmed to Supply Pipe suit rising supply) Do not fit the Mira Sport to the wall and tile up to the case. The Mira Service Tunnel Sport must be fitted on to a finished flat and even wall surface (small...
  • Page 17: Commissioning

    Water will continue to flow from the handset for a few seconds, as water is purged from the tank. Isolate the power at the double pole switch. Note! A slight hissing sound may be heard from the Mira Sport during operation. High mains water pressure and high shower temperatures will...
  • Page 18 High Medium Hotter Press to Stop Cooler Commissioning the Mira Sport...
  • Page 19: Operation

    1.3. The Mira Sport is designed to stabilise temperature changes caused by water pressure fluctuations. These can result from taps being turned on or off or toilets being flushed.
  • Page 20 The left-hand scale is temperature rise. (Temperature rise = Showering temperature minus the incoming cold water temperature.) Example: For the Mira Sport 10.8 kW on full power setting with an incoming water supply at 10°C and a showering temperature at 40°C, the temperature rise is 30°C. The flow...
  • Page 21 Lack of regular spray plate cleaning will lead to poor performance and cause early failure of the Mira Sport. 2.1. Switch on pullcord or wall mounted switch. The 'Standby' neon on the Sport will provide a visual indication that there is power to the shower.
  • Page 22 High Medium Hotter Press to Stop Cooler Operation of the Mira Sport...
  • Page 23: Maintenance

    Section Maintenance 1. General Read the section “Important Safety Information” first. Providing the shower 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 maintenance instructions are provided.
  • Page 24 3.8. Remove the outlet connector from the heater tank. 3.9. Remove the flow valve from the PCB assembly, inlet connector assembly and the heater tank. 3.10. Make a note of the positions of the solenoid wires. Remove the solenoid wires from the solenoid.
  • Page 25 4. Heater Tank - Removal and Installation WARNING! Isolate the electrical and water supplies before removing the cover. Mains electricity connections are exposed when the cover is removed. 4.1. Remove the three cover retaining screws, the cover and the service tunnel. 4.2.
  • Page 26 Cover Retaining Screw Heater Tank Terminal Block Assembly Inlet Connector Outlet Assembly Connector Clamp Bracket Retaining Screws Heater Tank Retaining Screws Clamp Bracket Flow Valve Assembly Retaining Screw Heater Tank - Removal and Installation 5. Thermal Switch - Removal and Installation WARNING! Isolate the electrical and water supplies before removing the cover.
  • Page 27 5.3. Remove the screw that holds the terminal block in position. This will give you sufficient room to carry out the procedure without disconnecting any mains electrical wiring. 5.4. Remove the screws (2 off) that hold the inlet clamp bracket in position and remove the clamp bracket.
  • Page 28 7. Printed Circuit Board - Removal and Installation WARNING! Isolate the electrical and water supplies before removing the cover. Mains electricity connections are exposed when the cover is removed. 7.1. Remove the three cover retaining screws, the cover and the service tunnel. 7.2.
  • Page 29 Terminal Block Cover Retaining Screw Heater Tank Assembly Flow Valve Assembly Retaining Screw Inlet Supply Clamp Bracket Pipe Clamp Bracket Retaining Screws Inlet Connector Flow Valve Solenoid Assembly Assembly Valve Retaining Screw Printed Circuit Board - Removal and Installation...
  • Page 30: Fault Diagnosis

    Section Fault Diagnosis Fault Diagnosis Warning! There are no user serviceable components beneath the cover of the appliance. Only a competent tradesperson should remove the cover. The trouble shooting information tabled below gives details on what you can do as a user without removing the cover should you encounter difficulties whilst operating the shower.
  • Page 31 Malfunction Cause Remedy (Continued) Remove and clean (Refer to Handset sprayplate Maintenance in the I, O & M blocked. guide for the fittings). Other outlets being used Ensure other outlets e.g. bath, whilst showering, causing washing machine or water pressure to drop dishwasher are not in use below minimum required whilst showering.
  • Page 32: Spare Parts

    Section Spare Parts 1. Mira Sport Spare Parts List 405 58 Inlet Connector Assembly 406 27 Inlet Filter (with 'O' seal fitted) 415 48 PCB Assembly 416 16 Flow Valve Assembly 416 33 Heater Tank 416 38 Clamp Bracket (Inlet)
  • Page 33 2. Mira Sport spare parts diagram 416 41 417 52 415 48 416 59 416 50 416 33 416 16 406 27 416 43 416 53 416 64 416 52 416 51 416 38 405 58 416 42 416 61...
  • Page 34: Accessories

    The inclusion of the Mira DCV-H will increase the required supply pressure typically by 0.1 bar. Available as an optional accessory from your Mira stockist.
  • Page 35 Notes...
  • Page 36 (three years for the Mira Excel thermostatic range) from the date of purchase, provided that the product has If this does not resolve the difficulty, contact our Customer...

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