Mikrofill Ethos RS 350 Technical Documentation Manual Download Page 9 | Manualshive

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DESCRIPTION

TECHNICAL DOCUMENTATION

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MAIN COMPONENTS:

REAR CONNECTIONS:

Burner #00 Control Unit

Burner #01 Control Unit

Combustion Fan

Control Fascia

Electrical Connections

Gas Valve

Heat Exchanger and Burner Package

Flap Valve

Venturi

Air Inlet

Condense Outlet

Flow Connection

Gas Connection

Pressure Relief Valve Outlet

Return Connection

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Summary of Contents for Ethos RS 350

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 RS 350 RS 550 FLOOR STANDING ROOM SEALED CONDENSING BOILERS TECHNICAL DOCUMENTATION ISSUE 03 18 Rev 02...

Page 2: ......

Page 3: ...ressure System Expansion Vessel Water Pressure Protection Device Water Temperature Water Quality Water Hardness Operating Instructions Operation Controls 1 2 3 4 5 6 7 04 05 06 07 08 09 10 11 12 13 14...

Page 4: ...eight x Width x Depth 1 Model Water Content of Appliance Weight Empty Flow Return Connections Gas Connection Flue Connection Air Supply Connection Power Consumption Electrical Supply Frequency Fuse Pr...

Page 5: ...bottom of the boiler and do not include the height of the supplied adjustable feet Data may deviate slightly due to fabrication tolerances We reserve the right to make changes without prior notificati...

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: ...llowing Standards and Codes of Practice BS 5854 BS 6644 BS 6880 IGE UP 1 IGE UP 2 IGE UP 10 WARNING Particular attention must be given to the safety guidelines as non compliance will render the warran...

Page 8: ...ment system computes the load required and adjusts the fan speed This is a continual process during operation The heat transfer takes place in a stainless steel triple heat exchanger block The burner...

Page 9: ...ONENTS REAR CONNECTIONS Burner 00 Control Unit Burner 01 Control Unit Combustion Fan Control Fascia Electrical Connections Gas Valve Heat Exchanger and Burner Package Flap Valve Venturi Air Inlet Cond...

Page 10: ...ch that the desired 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 t...

Page 11: ...e 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 orde...

Page 12: ...es are as follows 1000mm to the front to allow free space for movement 400mm above 100mm at the sides The device should be installed in a frost free room due to the risk of freezing of the condensate...

Page 13: ...should be installed by a competent installer in accordance with applicable national standards The appliance is fully wired in accordance with the electrical diagrams delivered with the appliance Elec...

Page 14: ...PCB to Control 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 Rec...

Page 15: ...X04 Pin 08 CH Cascade Sensor X04 Pin 09 Room Thermostat X04 Pin 10 Room Thermostat X01 Pin 01 Control Fascia to Main PCB 1 X01 Pin 02 Control Fascia to Main PCB 1 X01 Pin 03 Control Fascia to Main PCB...

Page 16: ...odulating control system and as such can be used as a stand alone appliance The standard controls include 0 10 V Input ready Condense Trap Blockage Cut Out Domestic Hot Water Priority Control Frost Pr...

Page 17: ...inspection GasSafe TB 008 Ed 2 1 A direct connection to a brick chimney is not permissible unless a suitable liner is installed The following table gives the flue gas data for all types Average Flue...

Page 18: ...gases depends on the following the insulation value of the flue the ambient temperature the flue system and outlet There is a maximum over pressure of around 2 0 mbar 200 Pa for the ETHOS RS 350 and 2...

Page 19: ...ezing It should be noted that connection of a condensate pipe to a drain may be subject to building controls SAFETY VALVE CONNECTION The discharge pipe from the safety valve shall be self draining and...

Page 20: ...d as close to the boiler flow connection as is possible Draining taps MUST be located in accessible positions which permit the draining of the whole system including the boiler and hot water storage v...

Page 21: ...ernal safety valve will need to be fitted to the system WATER TEMPERATURE The maximum permissible water flow temperature is 90 C If the limit thermostat is triggered at 97 C the boiler will switch off...

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: ...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 DHW Temperature Water Pressure Output Level Requested Fan Speed A...

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: ...Check the connection to the sensor and replace the sensor if necessary The flue gas temperature sensor is registering a short circuit Check the connection to the sensor and replace the sensor if nece...

Page 28: ...t 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 MAXIMUM...

Page 29: ...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 operate at minimum load If the b...

Page 30: ...the adjusters must be resealed There is a setting screw on the gas valve with which the CO2 value can be set at maximum load Set the boiler at maximum load and check the CO2 value If necessary adjust...

Page 31: ...urners can be confirmed by following the steps below Press and hold the button for three seconds and the display will show Once the additional boilers have been identified the display will change agai...

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: ...stem 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 section on page 28...

Page 34: ...lectrical connection on the gas valve Remove the four bolts four nuts and eight washers from the sealed air inlet box venturi Remove the six bolts from the venturi fan Remove the gas valve venturi ass...

Page 35: ...nd ionisation probe Remove the two electrical connections from the fan Remove the gas valve and venturi as described on page 34 Remove the six mounting nuts from the burner door Extract the fan burner...

Page 36: ...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 37: ...00048 FSB600033 FSB500049 FSB600034 CASING BACK PANEL CASING CONTROL COVER PANEL CASING CONTROL PANEL CASING FRONT PANEL CASING LEFT SIDE PANEL ETHOS RS 350 CASING LEFT SIDE PANEL ETHOS RS 550 CASING...

Page 38: ...0007 FSB600008 FSB500010 FSB600009 FSB500012 WHB000021 WHB000022 FSB500013 FSB500015 FSB600013 GAS VALVE ETHOS RS 350 GAS VALVE ETHOS RS 550 GAS VALVE CONNECTOR 88122602 GAS VALVE GASKET HEAT EXCHANGE...

Page 39: ...RS350001 FRS550001 FRS350002 FRS550002 AIR INLET TUBE 110mm ETHOS RS 350 AIR INLET TUBE 110mm ETHOS RS 550 AIR INLET TUBE 110mm ETHOS RS 350 AIR INLET TUBE 110mm ETHOS RS 550 01 02 FRS350003 FRS350004...

Page 40: ...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 41: ...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 42: ...NOTES 42 TECHNICAL DOCUMENTATION...

Page 43: ...ISO 9001 Registered Quality Management...

Page 44: ...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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