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SAFETY GUIDELINES

TECHNICAL DOCUMENTATION

SERVICE

Should you require any assistance during installation or in the unlikely event of a product failure please do not

hesitate to contact our technical department on 03452 60 60 20.

GENERAL RESTRICTIONS

Mikrofill products should always be used, installed and maintained in accordance with the statutory

requirements, specifications and standards applicable to these installations. Mikrofill cannot be held

responsible for any losses or damage whether direct or consequential that have arisen as a result of incorrect

or poor installation.

Detailed recommendations are contained in the following 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 warranty void and may constitute an illegal installation.

Flue and Flue Structures in Buildings.

Installation of Gas Fired Hot Water Boilers of Rated Inputs between 70kW and 1.8MW (net)

and 3

Family Gases).

Low Temperature Hot Water Heating Systems of Output greater than 45kW.

• Part 1: Fundamental and Design Considerations.

• Part 2: Selection of Equipment.

• Part 3: Installation, Commissioning and Maintenance.

Soundness Testing and Purging of Industrial and Commercial Gas Installations.

Gas Installation Pipework, Boosters and Compressors on Industrial and Commercial

Premises.

Installation of Gas Appliances in Industrial and Commercial Premises.

Содержание Ethos RS 350

Страница 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...

Страница 2: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 42: ...NOTES 42 TECHNICAL DOCUMENTATION...

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

Страница 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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