Ethos 70 - 130 User Manual
Contents
1. MIKROFILL ETHOS BOILERS INSPIRED EFFICIENCY ETHOS 70 90 110 amp 130 Wall mounted gas fired condensing bollers USER MANUAL gt ee Q in h lssue 05 08 USER MANUAL Ethos 70 130 Introduction The Mikrofill Ethos Boiler you have purchased has been designed and manufactured in Britain and represents the very best in quality and performance This User Manual is designed to Guide you through the many user settings available to ensure optimum operating conditions Please read this manual thoroughly careful use of the controls will result in lower greenhouse gas emissions and reduced operating cost The Ethos range of boilers incorporate a fully integrated microprocessor control system that offers the following user settings Heating Time Control Domestic Hot water Time Control optional HWS sensor required Weather Compensation optional outside sensor required Holiday period programming Night Set Back The Optimised start facility is pre programmed and requires no user adjustment all other settings and adjustments will have been factory set Any procedures not described in this user manual should only be undertaken by a competent qualified person if in doubt contact Mikrofill technical dept on 08452 606020 We recommend a regular maintenance regime that should include at least one annual service Extended warranties inclusive of annual service are available from Mikrofill Systems Ltd2. For further details please contact the HELPLINE on 08452 606020 2 User Manual A BOILER MODULE DHW selection button Heating selection button wall Show information Settings accept f es Chimney sweep function Quit setting Service plug BSB Heating to Comfort setpoint Heating to Reduced setpoint Heating to frost protection setpoint Process running please wait Change battery Burner operating STBtest Manual mode Adjust room comfort setpoint Navigation and settings INFO PROG ECO Info level activated Programming activated Heating temporarily switched off ECO function active Holiday function active Reference to heating circuit Maintenance special operation Error messages 3 User Manual BOILER OPERATION Selecting heating module This setting is used to switch between the different operating modes R i re indi Auto selection made is indicated by a bar which appears below the 3 O respective symbol Automatic mode auto Automatic mode controls the room temperature according to the time program Characteristics of automatic mode Heating mode according to the time program Temperature setpoints according to heating program Comfort setpoint 3 or Reduced setpoint Protective functions active Automatic summer winter changeover ECO functions C
3. controller to automatically adapt the heating curve to the prevailing conditions In that case a readjustment of the heating curve slope and parallel displacement is not required It can only be switched on or off Boiler Temperature setting Comfort Boiler Comfort Boiler Setpoint Temperature Setpoint Temperature 546 48 0 c 26 c 78 5 c 16 c 51 0 c 27 80 0 17 c 54 0 c 28 c 81 5 c 18 c 56 0 c 29 c 83 5 c 19 c 59 0 c 30 c 85 0 c 20 c 61 5 c 31 c 85 0 c 201 64 0 c 8216 851056 22 66 5 c 33 c 85 0 c PSC 69 0 c 34 c 85 0 c 24 c 72 5 c 35 c 85 0 c DE 7 5 5e Above table based on a heat slope of 2 0 at O c outside air temperature 6 User Manual BOILER OPERATION Displaying information Various data can be displayed by pressing the info button ml Possible displays 1828 xy 951 Room temperature Co B Depending on the type of unit configuration and operating state some of the info lines listed below may not appear Display Possible error messages Possible service messages Possible special mode messages Other displays Room temperature State of DHW State of boiler Boiler temperature Outside temperature Date and time of day DHW temp State of heating circuit Exception In exceptional cases the basic display shows one of the following symbols A Error messages Z Maintenance or special operation If this
4. symbol appears an error in If this symbol appears a maintenance the plant has occurred Press the alarm is delivered or the plant has info button and read further changed to special mode Press the information info button and read further information EN EN D x B S 0201 0081 Error Error 30 Flow sensor 1 30 Flow sensor 1 7 User Manual BOILER OPERATION Manual operation When manual operation is active the relays are no longer energized and deenergized according to the control state but are set to a predefined manual operation state depending on their function The burner relay energized in manual control can be deenergized by the electronic temperature controller TR Setpoint adjustment in Manual control After manual control has been activated a change to the basic display must be made There the maintenance special mode symbol appears Press the info button to switch to info display Manual mode where the setpoint can be adjusted Chimney sweep function The chimney sweep function is activated by a short press maximum 3 seconds on the chimney sweep button This function produces the operating state required to make emission measurements flue gas maximum load only 8 User Manual PROGRAMMING Setting principle Settings that cannot be made directly with the operating elements are made in the form of programming For this purpose the individual settings are structured in the form of
5. ance message 09 Boiler temperature supervision 10 Lockout by SLT 3 Safety shutdown flue gas 17 Upper pressure limit crossed 18 Critical lower pressure limit crossed 21 Flow temperature supervision 26 DHW charging supervision 27 Legionella temperature not reached 28 Loss of flame in operation 29 Wrong air supply 3l Burner fault 33 Safety time exceeded 46 Configuration error common message 78 Temperature limiter heating circuit 217 Sensor error common message 218 Pressure supervision common message 320 DHW charging temperature sensor error Maintenance code Error Code Description of maintenance Burner hours run exceeded 2 Burner starts exceeded 3 aintenance interval exceeded 5 Water pressure heating circuit too low dropped below lower pressure limit 1 18 Water pressure 2 heating circuit too low dropped bel ow lower pressure limit 2 10 Replace battery of outside sensor 2l aximum flue gas temperature exceeded 22 Water pressure 3 too low dropped below lower pressure limit 3 Special operation code Error Code Description of maintenance 301 Manual operation 302 SLT test 303 Chimney sweep function 309 Simulation outside temperature 310 Alternative energy operation 314 Economy mode I3 User Manual PROGRAMMING PROGRAMMING Switching on the appliance Open the gas valve 2 Switch on the boiler using the on off switch on the control panel 3 Set the type of oper
6. ation to automatic operation AUTO using the heating selection button Switching off the appliance The appliance can be switched off in three ways A The boiler remains available for hot water operation Using the heating selection button set the type of operation to B The boiler is out of operation and only comes into operation due to the automatic frost protection system Using the heating selection button set the type of operation to Switch off the boiler completely Switch off the boiler using the on off switch 2 Close the gas valve Warnings The appliance should be installed by a competent installer These operating instructions should be closely followed If the cause of the fault cannot be determined contact the Service department Never carry out repairs on your own 14 User Manual Notes Boiler Model Serial Number Installer Registration Number User Manual NOTES MIKROFILL SYSTEMS LTD WEST COURT MERSE ROAD NORTH MOONS MOAT REDDITCH WORCESTERSHIRE B98 9HL T 44 0 8452 60 60 20 44 0 8452 60 60 21 E info mikrofill com W www mikrofill com ISO 9001 Registered 0087
7. d user level User Manual PROGRAMMING Setting structure Enduser The example given here shows that certain user levels do not allow certain settings to be made The example shows them highlighted On the unit they are hidden Enduser Commissionin g Heating engineer OEM Time of day and date gt Hou rs minutes p Hou rs 1 24 h Operator section Month day Minutes 0 60 min Wireless Year Time progr am heating circuit 1 Start of summer time Time program heating circuit 2 End of summer time Time program heating circuit P Holidays heating circuit 1 Diag nostics of consumers Setting structure Heating engineer Enduser Commissioning Heating engineer OEM Time of day and date Hours minutes Operator section Month day Wireless Year Time program heating circuit 1 Start of summer time Hours 1 24 h Time program heating circuit 2 End of summer time Minutes 0 60 min Time program heating circuit P Holidays heating circuit 1 Dia gnostics of consumers 12 User Manual List of displays Error code Error Code Description of maintenance 10 Outside temperature sensor error 20 Boiler temperature sensor error 28 Flue gas temperature sensor error 40 Return temperature sensor error 50 DHW temperature sensor error 8l Short circuit LPB 05 ainten
8. g Turn the setting knob until the minutes of the time of day are correct To confirm press OK No 1 1120 Time of day and date Hours minutes The settings are saved and the displays stops flashing Now you can make further settings or you press the operating mode button to return to the basic display Time of day and date le Hours minutes Now you see the basic display again p Hours 1 24 h Operator section Month day Wireless Year Start of summer time End of summer time Time program heat ing circuit 1 Time program heat ing circuit 2 Time program heat ing circuit P Holidays heating circuit 1 e Diagnostics of consumers 10 User Manual Minutes 0 60 min User levels PROGRAMMING The user levels only allow authorized user groups to change settings To reach the required user level proceed as follows Operation Display example Description 1 Basic display 7 18 2 8 If the basic display is not shown e As r press the ESC button to return to it Room temperature 12 Press OK 2 You on the user level Enduser Press the info button for 3 seconds Time of day and date Operator section 3 Commissioning You are now given a choice of user levels Turn the setting knob until the required user level is reached Press OK Time of day and date Operator section You are now on the require
9. ontinuous operation 3 amp or Continuous operation or Continuous operation maintains the room temperature at the selected operating level 3 Heating to Comfort setpoint Heating to Reduced setpoint Characteristics of continuous operation Heating mode with no time program Protective functions active Automatic summer winter changeover ECO functions 4 User Manual BOILER OPERATION Protection 5 When using protection the heating system is off But it remains protected against frost frost protection temperature provided there is no power failure Characteristics of Protection Heating off Temperature according to frost protection Protective functions active Automatic summer winter changeover ECO functions and automatic 24 hour heating limit active Selecting DHW heating mode The button is used to switch DHW heating mode on and off The selection made is indicated by a bar which appears below the respective symbol DHW heating On The DHW is heated according to the selected switching program Off No DHW heating the protective function is active j Triggering is effected by keeping the DHW operating mode button on the operator or room unit depressed for at least 3 seconds It can also be started when The operating mode is Off Operating mode changeover acts or centrally LPB All heating circuits use the holiday function Adjusting the room temperature setpoint Turn the set
10. operating pages and operating lines thus forming practical groups of settings The following example shows how to set the time of day and the date Example Setting the time of day i Press ESC to go one step back at a time readjusted values are not be adopted If no setting is made for 8 minutes the display returns automatically to the basic display Operating lines may be hidden depending on the type of controller the configuration made and the user level Operation Display example Description I Basic display IB28x If the basic display is not shown e nor press the ESC button to return to it Room temperature The bottom section of the display shows a number of operating pages Turn the setting knob until operating page Time of day and Time of day and date Operator section date appears Press OK to confirm In the bottom section of the display the first operating line of operating page Time of day and date appears Time of day and date Hours minutes Turn the setting knob until operating line V 1 Hours minutes appears To confirm press OK 9 User Manual PROGRAMMING Time of day aff dei Hours minutes The display shows the hours flashing Turn the setting knob until the hours of the time of day are correct To confirm press OK Time of and date Hours minutes The display shows the minutes flashin
11. ting knob to increase or decrease the Comfort setpoint 3 For the Reduced setpoint 6 Press OK Select operating page Heating circuit and Adjust the Reduced setpoint If no external sensors are connected the boiler flow temperature will be determined by using the heating curve with an external temperature of 0 C Please see following graph for equivalent temperatures i After each re adjustment wait at least 2 hours allowing the room temperature to adapt 5 User Manual BOILER OPERATION Heating curve The rate of change with respect to weather compensation is adjusted by the heating curve setpoint selection of a higher setpoint will result in a higher rate of temperature gain Reducing the setpoint will result in a lower rate of temperature gain Increase adjustment Raises the flow temperature especially when outside temperatures are low Decrease adjustment Lowers the flow temperature especially when outside temperatures are low 2000D02 Displacement of heating curve Parallel displacement of the heating curve is used to change the flow temperature evenly across the entire outside temperature range or in other words if the room temperature is always too high or too low a readjustment must be made with the help of parallel displacement Adaptation of the heating curve Adaptation of the heating curve is used by the
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