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3. How your Mira Advance ATL Shower Works

Refer to section: 

"Important Safety Information"

 fi rst.

3.1

  The Mira Advance ATL has been precision engineered to provide years of high 

performance showering. To ensure user safety whenever in use, the unit always 
gives priority to the showering temperature and continually monitors the supply 
conditions to make sure this temperature is stable. To do this, the unit carries 
out thousands of adjustments each second to maintain the selected showering 
temperature at the chosen fl ow setting.

3.2

  The unit constantly monitors the following conditions:

• 

The incoming cold water temperature.

• 

The outgoing shower temperature.

• The 

fl ow rate of water.

• 

The current user settings.

 

The processor then calculates the fl ow rate and power level required 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 fl ow rate may change.

3.3

  As outlined in section 

"Shower Performance"

, certain conditions can cause 

the shower's performance to vary. Under certain supply conditions, some fl ow 
settings may not be possible at the desired showering temperature. These 
limitations are detailed as follows:

 

 

Flow Settings - 

In hot summer conditions, high incoming water temperatures 

may cause the unit to override and reduce the selected fl ow settings. Users 
may notice a reduced fl ow rate, which is not indicated by the unit. Normal fl ow 
rates will typically be restored once the incoming temperature has dropped.

 

 

Temporary Changes - 

Temporary changes in supply conditions may cause the 

selected fl ow setting to be temporarily unavailable. For example, the fl ushing of 
a toilet on the same supply. If temperature control at the selected fl ow setting 
is not possible, the unit will automatically override that setting (may switch fl ow 
setting either down or up) and

 

attempt to control at the next nearest setting. For 

instance, the unit may override the power setting from High - Medium - Low.

 

Note!

 the unit continues to remember and display the user selected fl ow setting 

on the control panel, even though the actual fl ow setting has automatically 
changed. If this override occurs, the user may see visible changes in the shower 
fl ow at the handset during showering. At all times, the selected safe showering 
temperature will be maintained.

 

For safety reasons, the unit will continue to override the desired power setting 
even though the reason for low pressure has been corrected (say another draw 
off system).  In this case the user may be able to restore the desired power 
setting by reselecting the relevant power button.

Содержание SDP044T

Страница 1: ...1 Installation User Guide MIRA ADVANCE ATL These instructions are to be left with the user 8 7 AN D 9 8 kW ELECTRIC SHOWER This product is suitable for mains fed cold water only...

Страница 2: ...lectrical 12 Installation 14 Priming the Mira Advance ATL 17 Adjustable Temperature Limit 20 Commissioning 21 Operation 23 1 Using your Mira Advance ATL 23 2 Storing the Memory Presets Memory Control...

Страница 3: ...le Standard 9 9 9 8 8 8 Memory 9 9 9 9 8 8 Flex 9 9 9 8 9 8 Standard Extra 9 8 9 8 8 9 Flex Extra 9 8 9 8 9 9 The following separate drain kits are required for the Extra models SDP044T Mira Whale Tra...

Страница 4: ...tact your installer before using again 1 6 DO NOT operate this appliance if water leaks from the Case Maintenance may be required before the appliance can be safely used 1 7 DO NOT fit any form of out...

Страница 5: ...ential 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 Regulati...

Страница 6: ...uarantee Card 1 x Olive 1 x Compression Nut 1 x Tap Connector Adaptor for fitting to existing tap connector 1 x Mira Advance ATL Standard or Standard Extra Whale Shower Drain Pump supplied separately...

Страница 7: ...re Stop Low Reset Low Pressure 5 6 4 7 3 8 2 9 1 1 2 3 4 5 Flow High Medium Temperature Stop Store Low Reset Low Pressure DIMENSIONS 168 mm 168 mm 168 mm Advance ATL Flex or Flex Extra Advance ATL Sta...

Страница 8: ...te Refer to current IEE regulations to determine minimum cable size Isolation Switch 45 Amp Double pole with 3mm contact separation Maximum Ambient Temperature 30 C Minimum Ambient Temperature 2 C The...

Страница 9: ...cts shower performance The shower unit s top priority is to keep the desired water temperature constant To maintain this temperature the shower may have to automatically change the rate of water flowi...

Страница 10: ...ith an inlet connector assembly that is designed to accept water supplies from the top or bottom The water supply can be fed with 15 mm pipe or 10 mm microbore pipe suitably adapted for the inlet conn...

Страница 11: ...hose retaining ring will not provide a suitable solution In these instances an outlet double checkvalve e g the Mira DCV H must be fitted refer to section Accessories The inclusion of the Mira DCV H...

Страница 12: ...mm2 if the cable is not mechanically protected 2 5 mm2 if mechanically protected 2 3 The minimum required supply cable size must conform to BS 7671 2 4 As a guide only and in accordance with BS 7671...

Страница 13: ...ATL Optional Outlet Double Checkvalve 45 A Double pole Isolating Switch Hose Retaining Ring Mains fed Cold Water Supply Clamp Bracket RF2 Handset Holder Consumer Unit Isolating Valve Terminal Block S...

Страница 14: ...ling bottom rising or rear inlet to the Mira Advance ATL Provision must be made for routing the signal cable from the appliance to the Shower Drain pump up to 2 m this applies to the Standard Extra an...

Страница 15: ...ssion fitting supplied or a tap connector not supplied If upgrading from an existing shower that uses a tap connector then the tap connector adapter can be used in place of the fibre washer This allow...

Страница 16: ...in the back of the case 1 10Unscrew the transit sealing caps from the inlet and outlet of the Mira Advance ATL Note A small amount of water may be released 1 11Offer the Mira Advance ATL up to the wal...

Страница 17: ...ming the unit 1 14 Connect the shower hose to the Mira AdvanceATL and position the hose to discharge into the shower tray or bath waste outlet 1 15 Press down the air bleed button located on top of th...

Страница 18: ...res of each cable are securely trapped within each Conductor Clamp refer to illustration Using a suitable screwdriver securely tighten the Conductor Clamp Screws L Brown Wire N Blue Wire E Yellow Gree...

Страница 19: ...21Push the bottom of the cover against the case until it locates correctly Install the screw and tighten 1 22If required refer to section Adjustable Temperature Limit for setting the maximum temperat...

Страница 20: ...of the Temperature Knob will not increase the showering temperature Note Advance ATL Memory Selecting a preset temperature that was previously set above the new maximum temperature setting will cause...

Страница 21: ...icator beside the STOP button will illuminate to indicate that the electrical supply is connected to the shower 2 Turn the TEMPERATURE control knob to full cold The control knob operates clockwise fro...

Страница 22: ...green indicator light and the audible tone The selected temperature will remain relatively constant 9 Press the HIGH button and observe the green indicator light and the audible tone The selected temp...

Страница 23: ...ttons HIGH MEDIUM or LOW The adjacent green indicator will illuminate and an audible tone will confirm the action For the Advance ATL Memory press one of the five memory buttons Note The temperature c...

Страница 24: ...memory button condition to that selected by the chosen flow button and TEMPERATURE control knob position Hint When returning to standard control position the TEMPERATURE control knob at the midpoint i...

Страница 25: ...Flow Flow Flow Flow Flow Flow Flow Flow Flow Flow Reset Reset Reset Reset Reset Reset Reset Reset Reset Reset 2 Storing the Memory Presets Memory Control Model only Should you wish to change the five...

Страница 26: ...se limitations are detailed as follows Flow Settings In hot summer conditions high incoming water temperatures may cause the unit to override and reduce the selected flow settings Users may notice a r...

Страница 27: ...ng tolerance Therefore flow rates can be above or below those indicated 3 6 The left hand scale is temperature rise Temperature rise Heater tank outlet temperature minus the incoming cold water temper...

Страница 28: ...apid increase in flow for a short period eventually returning to expected flow rate and temperature This may occur after a period of non use 5 Shower automatically shuts off a few seconds after start...

Страница 29: ...below 1 C allow to thaw b Temporary interruption of electricity supply following restoration press flow or memory preset button c Excessive temperature or abnormal water supply conditions isolate elec...

Страница 30: ...maintenance instructions are provided Before replacing any parts make sure that the underlying cause of the malfunction has been resolved When following these instructions it is sometimes necessary to...

Страница 31: ...D tripped Rectify fault and replace or reset b Poorinternalwireconnections check wire integrity make sure 13 Way Multi Connector is plugged in at both ends c Faulty transformer replace d Faulty relay...

Страница 32: ...s water but does not get hot enough a Check maximum temperature setting b Faulty outlet temperature sensor replacetankassembly and recommission 7 Shower flow rate pulsates a Air trapped in flow valve...

Страница 33: ...unction relates to the Standard Extra and Flex Extra models when connected to the Whale Shower Drain Pump Malfunction Indicator Display Cause Rectification 10 Faulty buttons a Faulty control PCB repla...

Страница 34: ...leaned with a mild washing up detergent or soap solution and then wiped dry using a soft cloth 2 2 Spray pattern deterioration can be caused by either debris trapped in the spray head or a limescale b...

Страница 35: ...Clip secures thermal switch Tank Assembly Sensor 13 Way Multi Connector Lead Socket Note The Connector Lead Sockets for the Flow Valve Turbine and Inlet Sensor and the Tank Assembly Sensor are under t...

Страница 36: ...bottom of Case 3 2 Carefully pull the bottom of the Cover outwards and upwards off the Case Caution Do not strain the 13 Way Multi Connector 3 3 Carefully remove the 13 Way Multi Connector from the s...

Страница 37: ...emove the Cover refer to section Maintenance 3 Cover Removal and Reassembly Important Make a note of the wire positions and routing 5 2 Remove all of the Plug in Connectors from the Relay Board 5 3 Re...

Страница 38: ...lever the tab upwards Caution Do not try and force the Outlet Connector off by hand 7 7 Move the Flexible Outlet Pipe away to the right of the Flow Valve 7 8 Lift and partially separate the Flow Valv...

Страница 39: ...first to make sure that the seal inside the Outlet Connector is fully compressed 8 7 Recommission the Mira Advance ATL refer to section Commissioning 9 Drain Pump Driver Board Replacement 9 1 Remove...

Страница 40: ...Break Capacity 3 mm Contact Separation L N PL2 PL1 Main Control Board 78 PL2 PL6 PL5 PL4 PL1 PL8 PL3 PL7 PL10 Green Y 75 Terminal Block Outlet Temperature Sensor One Shot Thermal Switch Temperature Po...

Страница 41: ...41 NOTES...

Страница 42: ...el Inlet Shield 430 60 Control PCB Standard and Flex models only 430 61 Control PCB Memory model only 430 62 Cover Assembly Standard model only 430 63 Cover Assembly Memory model only 430 64 Cover Ass...

Страница 43: ...43 430 40 B B 406 46 406 19 406 20 430 45 406 88 430 62 430 63 430 64 B A C A C 405 58 406 88 405 56 A C 430 60 430 61 406 88 B C B 406 22 406 27 405 50 C 1566 087 1566 087...

Страница 44: ...44 CUSTOMER SERVICE 1062889 W2 B 1566 J87A R Kohler Mira Limited November UKAS...

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