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C O N D E N S I N G

 

B O I L E R S

 

I N S P I R E D

E F F I C I E N C Y

ETHOS

 70, 90, 110 & 130 WALL MOUNTED CONDENSING BOILERS

TECHNICAL DOCUMENTATION

ISSUE 

03/16

 Rev. 03

Summary of Contents for ETHOS 110

Page 1: ...C O N D E N S I N G B O I L E R S I N S P I R E D E F F I C I E N C Y ETHOS 70 90 110 130 WALL MOUNTED CONDENSING BOILERS TECHNICAL DOCUMENTATION ISSUE 03 16 Rev 03...

Page 2: ......

Page 3: ...ater Pressure System Expansion Vessel Water Pressure Protection Device Water Temperature Water Quality Water Hardness 1 2 3 4 5 6 04 05 06 07 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 Operating...

Page 4: ...specifications indicated on the dataplate if the resistance is higher the heat output will be reduced GENERAL Dimensions Height x Width x Depth Model Water Content of Appliance Weight Empty Flow Retu...

Page 5: ...ified Data may deviate slightly due to fabrication tolerances We reserve the right to make changes without prior notification 530 905 110 70 180 65 E F G G H 245 A C D B 55 75 ETHOS 130 140 100 95 675...

Page 6: ...ion and Use Regulations i e Gas Safe registered and holding current certification The manufacturers instructions MUST NOT be taken in any way as overriding statutory obligations This boiler has been t...

Page 7: ...h emissions report WORKING PRINCIPLE AND DESIGN Air is drawn in as required via a variable speed fan The gas valve measures the negative pressure draught in the venturi and modulates the gas valve in...

Page 8: ...the following Full Operation and Fault Diagnostics via LCD Control High Limit Sensors Integral Boiler Shunt Pump Integral Safety Relief Integral Weather Compensation Optional External Sensor Required...

Page 9: ...Controls Housing Flue Gas Temperature Sensor Flue Outlet Connection Flow Connection Condense Syphon Gas Connection Gas Valve and Venturi Grundfos UPML 25 105 130 PWM Heat Exchanger and Burner Package...

Page 10: ...ed temperature is attained and maintained The actual flow temperature is controlled within 4 C of the target temperature SAFETY ASPECTS The following safety devices are installed on the boiler Tempera...

Page 11: ...nce with the items ordered TRANSPORT The packing should only be removed after transportation MOVING Each boiler is packed in its own carton Refer to the technical data for dimensions and weights in or...

Page 12: ...site construction of the same INSTALLATION GUIDELINES The following guidelines should be complied with The recommended minimum clearances are as follows 750mm to the front to allow free space for mov...

Page 13: ...nnections and the system It is also recommended that the flow and return pipes are securely fixed with brackets This prevents damage and makes maintenance easier ELECTRICAL CONNECTIONS The electrical...

Page 14: ...ntrol Fascia X15 Pin 05 Main PCB to Control Fascia X15 Pin 06 Main PCB to Control Fascia X02 Pin 01 Transformer X02 Pin 02 Transformer X02 Pin 05 Gas Valve Rectified X02 Pin 06 Gas Valve Rectified X11...

Page 15: ...l Sensor X04 Pin 06 0 10 V DC Input X04 Pin 07 CH Cascade Sensor X04 Pin 08 CH Cascade Sensor X04 Pin 09 Room Thermostat X04 Pin 10 Room Thermostat X01 Pin 01 Control Fascia to Main PCB X01 Pin 02 Con...

Page 16: ...This is to prevent the suction of false air Horizontal components in the air supply should be installed sloping in the direction of the supply opening FLUE ADAPTOR INSTALLATION Please ensure the flue...

Page 17: ...resistance of the burner the heat exchanger and the chimney The back pressure on the boiler depends on the resistance of the flue pipe the degree of cooling of the combustion gases the resistance of...

Page 18: ...8 16 6 42 0 25 0 6 1 7 0 30 2 ETHOS 110 94 1 90 7 9 8 13 2 29 4 2 4 2 7 11 7 35 0 18 0 4 0 4 5 19 5 ETHOS 90 72 6 70 0 7 3 10 1 21 3 1 7 1 9 8 4 29 0 12 0 3 1 3 6 15 4 ETHOS 70 65 0 79 7 9 3 12 1 14 6...

Page 19: ...FETY VALVE CONNECTION The discharge pipe from the safety valve shall be self draining and terminate in a visible position where the discharge cannot result in hazard to any person or to the plant The...

Page 20: ...TROL BOX POSITIONS IN MILLIMETRES 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 Q m h 0 2 4 6 8 10 m H 0 20 40 60 80 100 kPa p 0 0 0 2 0 4 0 6 0 8 1 0 1 2 1 4 Q l s 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4...

Page 21: ...expansion vessel is installed on the return pipework in a suitable neutral pressure position WATER PRESSURE PROTECTION DEVICE A 3 bar pressure relief valve is integral within the boiler casing Should...

Page 22: ...ndered more aggressive this can be caused by amongst other things improperly regenerated water softener The system should be flushed clean and filled with low chloride water In order to counter unnece...

Page 23: ...ating Selection Heating Temperature 05 06 Multi Function Power Switch 07 Reset Switch Heating Circuit Active Summer Mode Pump Active Burner Operating DHW Disabled DHW Active OpenTherm Connection Infor...

Page 24: ...boiler using the power switch on the control panel Press the button to enable the heating function Press the button to enable the DHW function if required The boiler will remain available for hot wate...

Page 25: ...ET RESET BAR INDEX P01 P02 P03 P04 P05 P06 P07 P08 P09 P10 P11 P12 P13 P14 P15 P16 P17 VARIABLE Flame Current CH Supply Temperature CH Return Temperature N A Water Pressure Output Level Requested Fan...

Page 26: ...peed signal is not being received when the fan is being powered Check the tacho cable running from the fan to the main PCB and confirm that the fan is operating The flue gas temperature has exceeded t...

Page 27: ...tion to the sensor and replace the sensor if necessary The return temperature sensor is registering an open circuit Check the connection to the sensor and replace the sensor if necessary The flue gas...

Page 28: ...r at maximum load Start the boiler Allow the boiler to run and stabilise around three minutes At full load the following settings should be checked and corrected if necessary REFERENCE VALUE FOR MAXIM...

Page 29: ...y appears the boiler will then start to operate at maximum load MINIMUM LOAD ADJUSTMENT Press and hold the button for three seconds until the below display appears the boiler will then start to operat...

Page 30: ...as valve with which the CO2 value can be set at minimum load Set the boiler at minimum load and check the CO2 value If necessary adjust the Torx setting screw clockwise gives more CO2 anti clockwise g...

Page 31: ...g the boilers Once the boilers have been detected as indicated below the number of burners can be confirmed by following the steps below Press and hold the button for three seconds and the display wil...

Page 32: ...s This will send a request to the master boiler to fire all slave boilers This can be increased to 100 by pressing the button until the display below is shown This test mode can be cancelled by pressi...

Page 33: ...y vented With the system hot check the boiler for signs of water leakage Check the gas rate and measure the CO2 content to ensure it is within the specified range Adjust if necessary see COMMISSIONING...

Page 34: ...ear of the gas valve Remove the electrical connection on the gas valve Remove the three bolts ETHOS 70 110 or the six screws ETHOS 130 from the venturi fan Remove the gas valve venturi assembly from t...

Page 35: ...lectrode and ionisation probe Remove the gas valve and venturi as descibed on page 34 Remove the two electrical connections from the fan Remove the four nuts from the burner door Extract the burner fa...

Page 36: ...ition electrode and ionisation probe Remove the gas valve and venturi as descibed on page 34 Remove the two electrical connections from the fan Remove the six nuts from the burner door Extract the bur...

Page 37: ...d drain water from the boiler Disconnect the electrical supplies from the pump To completely remove the pump unscrew the pump unions and extract the pump To remove the pump head remove the four screws...

Page 38: ...ition to the annual maintenance please ensure the following is carried out Isolate the gas and electrical supplies to the boiler Check the gaps between the ignition electrode ionisation probe and burn...

Page 39: ...PANEL CASING FRONT PANEL CASING HEAT EXCHANGER BRACKET ETHOS 90 130 CASING LEFT SIDE PANEL ETHOS 70 90 CASING LEFT SIDE PANEL ETHOS 110 130 CASING RIGHT SIDE PANEL ETHOS 70 90 CASING RIGHT SIDE PANEL...

Page 40: ...E GAS TEST POINT CAP ETHOS 70 GAS PIPE GASKET GAS VALVE GAS VALVE GASKET GAS VALVE RECTIFICATION LEAD GRUNDFOS UPML 25 105 130 OEM PUMP 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 WHB100002...

Page 41: ...AS VALVE GASKET GAS VALVE RECTIFICATION LEAD GRUNDFOS UPML 25 105 130 OEM PUMP 04 05 06 07 09 01 03 08 10 17 18 19 14 15 16 23 24 25 26 27 28 29 30 31 32 33 35 36 37 38 39 WHB200006 WHB300009 WHB40000...

Page 42: ...o the most usual standard in mg kWh for N 1 NOx for N 1 15 0 x 1 17 17 6 ppm 17 6 x 1 759 30 9 mg kWh 1 kcal 1 kWh EFFICIENCY AT THE FLUE GAS SIDE The difference between gross and nett calorific value...

Page 43: ...dH f e MgCaCO3 l CO2 0 339 nb 90 x T 0 008 CO2 0 377 no 100 x T 0 009 CO2 0 339 nb 90 x T A 0 008 7 5 0 006 T 1 11 Difference in temperature between the flue gases and the environmental temperature K...

Page 44: ...NOTES 44 TECHNICAL DOCUMENTATION...

Page 45: ...NOTES TECHNICAL DOCUMENTATION 45...

Page 46: ...NOTES 46 TECHNICAL DOCUMENTATION...

Page 47: ...ISO 9001 Registered Quality Management 015...

Page 48: ...Mikrofill Systems Ltd 11 Merse Road North Moons Moat Redditch Worcestershire B98 9HL UK T 44 0 3452 60 60 20 F 44 0 3452 60 60 21 E info mikrofill com www mikrofill com...

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