Mira Advance ATL Installation & User Manual
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Mira Advance ATL Installation & User Manual

8.7 and 9.8 kw
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Mira Advance ATL
Installation & User Guide
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Summary of Contents for Mira Advance ATL

  • Page 1 Mira Advance ATL Installation & User Guide THESE INSTRUCTIONS ARE TO BE LEFT WITH THE USER...

  • Page 2: Table Of Contents

    2 ..Important Safety Information ......... 4 3 ..Pack Contents Checklist ..........7 4 ..Dimensions................ 8 5 ..Mira Advance ATL Wiring Diagram ....... 11 6 ..Specifications ..............1 2 7 ..Installation Requirements ..........1 3 8 ..

  • Page 3: Introduction

    Section Introduction Thank you for purchasing a quality Mira product. To exploit the full potential of your new shower, please take time to read this guide thoroughly, having done so, keep it handy for future reference. The Mira Advance ATL is a high performance electric shower, which provides thermostatic temperature control which compensates for pressure, temperature and voltage changes to achieve very accurate water temperatures whilst showering.

  • Page 4: Important Safety Information

    1.7. DO NOT fit any form of outlet flow control as the outlet acts as a vent for the tank body. Only Mira recommended outlet fittings should be used. 1.8. There are no user serviceable components beneath the cover of this...
  • Page 5 1.9. If any of the following conditions occur, isolate the electricity and water supplies and refer to "To contact us", on the back page of this guide. 1.9.1. If the cover is not correctly fitted and water has entered the appliance case.
  • Page 6 2.5. This is a high power unit, it is essential to contact your electricity supply company to ensure that the electricity supply is adequate for the purpose. 2.6. The plumbing installation must comply with the requirements of UK Water Regulations/Bye-laws (Scotland), Building Regulations or any particular regulations and practices, specified by the local water company or water undertakers.

  • Page 7: Pack Contents Checklist

    ! ! ! ! ! Tick the appropriate boxes to familiarize yourself with the part names and to confirm " that the parts are included. 1 x Mira Advance ATL 1 x Mira Advance ATL 1 x Mira Advance ATL...

  • Page 8: Dimensions

    Section Dimensions 1. Mira Advance ATL 84.5 Flow Standard Model 84.5 Flow Store Memory Model...
  • Page 9 Flow Flex Model All dimensions are nominal and in millimetres.
  • Page 10 Serial No JMS2001 Mira Advance 8.7M 240V ~ 8.7kW 230V ~ 8.0kW 0.5 – 10 BAR OPEN OUTLET 0 BAR IP34 Caradon Mira Ltd. Cheltenham GL52 5EP Inlet Connector Assembly (Bottom inlet shown) Inlet Connector Centre Line INLET 46.5...

  • Page 11: Mira Advance Atl Wiring Diagram

    Section Mira Advance ATL Wiring Diagram Temperature Main Control Board Potentiometer (78) PL11 Terminal Block Relay Board Green/Y PL12 (75) 230/240 V AC Only Outlet Temperature Sensor One Shot Thermal Trip Heater Tank...

  • Page 12: Specifications

    1.1. The inlet connector assembly incorporates an inlet filter, which swivels to allow these entry positions, top, top back, bottom and bottom back inlet. 1.2. The outlet terminates with a 1/2" BSP male thread for connection to a Mira flexible shower hose.

  • Page 13: Installation Requirements

    1.1. The Mira Advance ATL is normally connected to the cold water mains-fed supply. 1.2. The Mira Advance ATL is suitable for installation within the shower area and must be positioned over a water catchment area with the controls at a convenient height for the user.
  • Page 14 Do not use a valve with a loose washer plate (jumper) as this can lead to a build up of static pressures. 1.9. The Mira Advance ATL is fitted with a 1/2" BSP male outlet thread, to accept a Mira shower hose.
  • Page 15 As the Mira Advance ATL is a high power unit, it is essential to contact your electricity supply company to ensure that the supply is adequate for the Mira Advance ATL.
  • Page 16 2.5. A separate, permanently connected supply must be taken from the consumer unit to the Mira Advance ATL through a double-pole switch, which has at least 3mm contact separation. The switch can be a ceiling mounted pull-cord type within the shower room or a wall mounted switch in an adjacent room.

  • Page 17: Installation

    Read Section 2 "Important Safety Information" first. WARNING! Isolate the electrical and water supplies before proceeding with the installation of the Mira Advance ATL. The electricity must be turned off at the mains and the appropriate circuit fuse removed, if applicable.
  • Page 18 1.6. When deciding the position of the Mira Advance ATL on the wall: 10 Minimum Allow 100mm minimum clearance to the right hand side of the case, to provide unrestricted access to the inlet connector, for installation and future maintenance.
  • Page 19 Lower Fixing Holes the case. 1.13. Offer the Mira Advance ATL up to the wall and temporarily connect the mains-fed cold water supply pipe. Mark through the casing the position of the upper and lower holes.
  • Page 20 Press the air bleed button, located on top of the flow valve, several times. This will allow the Mira Advance ATL to fill with water and expel any entrapped air. Note! Failure to prime the unit will severely effect performance.
  • Page 21 Refit the inlet shield over the inlet connector assembly. If the Mira Advance ATL has been installed with top inlet cable or water supplies, cut the top case insert to suit, and fit. Finally, re-tighten the screws of the terminal block.

  • Page 22: Commissioning 2

    Connector Clamps 1.20. Connect the wire 78 multi-connector lead from the relay board, in the Mira Advance ATL, to the socket on the control PCB located in the cover. The multi-connector is a one way fit into the receiving socket on the control PCB.

  • Page 23: Commissioning

    Operation, before continuing. Connect the flexible hose from the shower fitting to the outlet of the Mira Advance ATL. Ensure that the hose seals are fitted, and that the handset is in the handset holder and aimed into the water catchment area.
  • Page 24 Note! High cold water mains supply pressures and high shower temperatures will cause a slight audible hissing sound to be heard from the Mira Advance ATL whilst it is operating. This is quite normal and does not indicate that there is a...
  • Page 25 1. Advice to Users Read Section 2, "Important Safety Information" first. 1.1. In the event that the Mira Advance ATL fails to respond to any push-button instruction, or exhibits unusual performance characteristics during operation, first turn off the electrical supply by operating the pull-cord switch, wait for a few moments for the Mira Advance ATL to reset, then turn on the pull-cord switch and operate the Mira Advance ATL.

  • Page 26: Maintenance 3

    The Mira Advance ATL then calculates the flow rate and power level, to keep the outgoing temperature constant. This mode of operation requires the staged power up and power down of individual heating elements. During this sequence the user may hear a number of audible 'clicks' and the flow rate may change.
  • Page 27 At pressures below 1 bar maintained the full flow performance may not be achieved (refer to 1.7. Low Pressure Thermostatic Performance). Example: For the Mira Advance ATL 9.8 kW on full power setting with an incoming water supply at 10...
  • Page 28 FLOW HIGH MEDIUM FLOW HIGH MEDIUM FLOW HIGH MEDIUM Flow COLD Thermostatic Performance To maintain thermostatic performance the unit may override the selected flow condition. The selected flow indicated does NOT change. Low Pressure Thermostatic Performance The unit maintains thermostatic performance at low pressures, however it may be unable to achieve the desired flow conditions (refer to 1.7.
  • Page 29 TEMPERATURE' control knob vertical. 2.5. IMPORTANT! TO TURN OFF always press the 'STOP' button to allow the Mira Advance ATL to perform its shutdown sequence. The red indicator will illuminate and an audible tone will confirm the action.
  • Page 30 3. Storing the Memory Presets (Mira Advance ATL Memory control model only) Should you wish to change the five factory presets, proceed as follows: Flow Flow Flow Store Store Store Step 2 Step 1 Step 3 Select your personal Select your personal Press 'STORE' temperature setting.
  • Page 31 1. Operators Troubleshooting Guide The Mira Advance ATL electric shower is fully performance tested after assembly. In the unlikely event that you experience problems with the Mira Advance ATL, then the following procedures will enable you to undertake basic troubleshooting before contacting the person responsible for installing your shower.

  • Page 32: Maximum Temperature Setting 4

    " not stop after for a few moments conditions. STOP button (approx. 10 secs) for is pressed. Mira Advance ATL to reset, turn on pull-cord switch and operate Mira " Any other fault Advance. If problem still condition. persists then contact Kohler Mira for advice.
  • Page 33 Advance ATL Memory shuts down when certain presets are selected. For safety reasons, the Switch on. Advance ATL Mira Advance ATL is shuts down designed to shut down without any automatically after 30 user minutes. operation.
  • Page 34 When following these instructions, it is sometimes necessary to examine the Mira Advance ATL with the electrical supply turned on, as well as the water supply. It is therefore essential that the appropriate safe working practices are followed in accordance with the current Health And Safety Legislation.
  • Page 35 78 multi-connector. connector. Ensure that the connector is fully pushed home. " Renew flow valve. Faulty flow valve. Mira Advance continues to drip after being turned " Shower head will continue Change angle of off, or will not to drip for a period of time shower head to speed shut off.
  • Page 36 Malfunction Cause Remedy Faulty flow valve. Renew flow valve. Mira Advance Faulty tank seal. Renew tank seal. ATL leaks from bottom of case. Faulty tank body/sensor Renew tank body/ assembly. sensor assembly. Dry thoroughly before retrying unit. Renew control PCB.
  • Page 37 Service light pull-cord switch, wait illumination for a few moments during (approximately 10 operation. seconds) for Mira Advance ATL to reset, " turn on pull-cord switch and operate Advance Any other fault condition. ATL. If problem still persists then contact Kohler Mira for advice.
  • Page 38 Thermal Switch Element Assembly Transformer Clip (secures Connector thermal switch) Lead Socket Flow Valve Element Retaining Ring Solenoid Connector Tank Body Sensor Lead Socket Wire 78 Multi- Connector Lead Socket Relay Board Note: The Connector Lead Terminal Block Sockets for the Flow Valve Turbine and Inlet Sensor, and the Tank Body Sensor are under the Wire 78 Multi-...
  • Page 39 Section Maintenance 1. General Read Section 2, "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 40 3. Mira Advance ATL Cover – Removal and Refitting 3.1. To remove the cover: 3.1.1. Remove the screw located at the bottom of Mira Advance ATL case. 3.1.2. Caution! The cover is connected to the case by wire 78 Multi-connector, which should not be strained when Serial No.
  • Page 41 4. Relay Board – Renewal 4.1. To renew the relay board assembly: 4.1.1. Remove all the plug-in multi connectors. 4.1.2. Remove the terminal block cover retaining screws and the cover. 4.1.3. Remove the wires to the element assembly. 4.1.4. Remove the two earth fly leads. 4.1.5.
  • Page 42 8. Temperature Potentiometer – Renewal 8.1. To renew the temperature potentiometer: 8.1.1. Disconnect the three-pin connector lead from the control PCB, located inside the Mira Advance ATL cover. 8.1.2. Remove the temperature control knob. 8.1.3. Undo the temperature potentiometer retaining nut and remove the washer.
  • Page 43 9.1.6. Move the flexible outlet pipe away to the right of flow valve. 9.1.7. Lift and partially separate the flow valve from the outlet of heater tank. Allow the water to drain out of the bottom of Mira Advance ATL. 9.1.8. When relevant maintenance procedure has been completed, refit in reverse order.
  • Page 44 9.4. To renew the tank body/sensor assembly: 9.4.1. Refer to Section 12, Maintenance: "9.1. To drain the Mira Advance ATL" and follow instructions 9.1.1. to 9.1.7. inclusive. 9.4.2. Remove the wire 75 earth from the outlet connector. 9.4.3. Remove the tank body/sensor connector lead (2 wires) from the relay board and unclip the thermal switch clip.
  • Page 45 9.6. To clean the element assembly: 9.6.1. Refer to Section 12, Maintenance: "9.5. To renew the element assembly" and remove the element assembly. 9.6.2. Unclip the thermal switch clip and remove the element retaining ring and the seal. 9.6.3. Immerse the element assembly up to the flange in a proprietary plastic kettle descalent.
  • Page 46 Maximum Temperature Setting This shower has been factory preset to deliver a Maximum Outlet temperature of 48 If the appliance is to be operated within a healthcare or special needs environment, Mira recommend that you carry out the procedure detailed below.
  • Page 47 1.2. Pull the bottom of the cover outwards and upwards off the case. 1.3. The restriction dial is located on the control PCB, inside the Mira Advance ATL cover assembly (refer to Figure 1.4. Insert a screwdriver into the slotted...

  • Page 48: Spare Part

    Spare Parts...
  • Page 49 DCV-H: An outlet double check valve, designed to prevent the backflow or backsiphonage of potentially contaminated water, through shower controls which are fitted with a flexible hose as part of the outlet shower fitting. Available as an optional accessory from your Mira Showers stockists.
  • Page 50 2. Spare Parts Diagram (standard model) 430.40 406.88 406.46 405.56 430.62 406.22 430.45 430.60 406.27 406.88 405.58 406.19 406.20 405.50 430.65 406.88...
  • Page 51 DCV-H: An outlet double check valve, designed to prevent the backflow or backsiphonage of potentially contaminated water, through shower controls which are fitted with a flexible hose as part of the outlet shower fitting. Available as an optional accessory from your Mira Showers stockists.
  • Page 52 4. Spare Parts Diagram (memory model) 430.40 406.88 406.46 405.56 430.63 406.22 430.45 430.61 406.27 405.58 406.88 406.19 406.20 405.50 430.65 406.88...
  • Page 53 DCV-H: An outlet double check valve, designed to prevent the backflow or backsiphonage of potentially contaminated water, through shower controls which are fitted with a flexible hose as part of the outlet shower fitting. Available as an optional accessory from your Kohler Mira stockist.
  • Page 54 6. Spare Parts Diagram (flex model) 430.40 406.88 406.46 405.56 430.64 406.22 430.45 430.60 406.27 405.58 406.88 406.19 406.20 405.50 430.65 406.88...
  • Page 55 Notes...
  • Page 56 (2 years for Mira Select and 3 years for Mira Excel Spare Parts ranges).

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