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ECOMFORT 

PLUS HE -EV

Installation and 

servicing instructions

UK

ENSURE THAT THESE INSTRUCTIONS ARE LEFT

FOR THE USER AFTER COMPLETION OF THE

BENCHMARK SECTION

Please read the Important Notice within
this guide regarding your boiler warranty

199838

Summary of Contents for ECOMFORT PLUS 25 HE

Page 1: ...stallation and servicing instructions UK ENSURE THAT THESE INSTRUCTIONS ARE LEFT FOR THE USER AFTER COMPLETION OF THE BENCHMARK SECTION Please read the Important Notice within this guide regarding your boiler warranty 199838 ...

Page 2: ...re recommended Avoid direct contact with sharp edges Avoid contact with any hot surfaces NOTICE Please be aware that due to the wet testing of the appliance there may some residual water in the hydraulic circuit Protect any surfaces carpets or floorings Use a suitable container to catch any water that escape when removing the protective caps from the connections SAFE HANDLING IMPORTANT NOTICE For ...

Page 3: ......

Page 4: ...ndards of installation and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimi se safety efficiency and performance Benchmark is managed and promoted by the Heating and Hotwater Industry Council For more information visit www centralheating co uk ...

Page 5: ...See installation manual Has the D H W flow rate been set to the customer requirements Has the customer been fully advised on the correct use of the boiler system and controls Has the Benchmark Checklist in the use and maintenance section of this manual been completed IPX4D Important Information IT IS A STATUTORY REQUIREMENT THAT ALL GAS APPLIANCES ARE INSTALLED BY COMPETENT PERSONS IN ACCORDANCE W...

Page 6: ...INTRODUCTION ECOMFORT PLUS HE EV and ECOMFORT SYSTEM PLUS HE EV boilers have a con densing heat exchanger downstream from the fan to allow the heat contained in exhaust fumes to be recovered The boiler is equipped as standard with frost protec tion and circulating pump antijamming system The instructions given in this manual are provided to ensure proper installation and correct operation of the a...

Page 7: ...mum minimum G30 G31 8 0 2 8 8 8 3 3 8 0 2 8 Adsorbed power consumption W 150 160 150 Electrical protection grade IP X4D X4D XD4 CE certification n 1312BT5040 1312BT5040 1312BT5040 Category II2H3 II2H3 II2H3 Type B22P 52P C12 32 42 52 82 B22P 52P C12 32 42 52 82 B22P 52P C12 32 42 52 82 WEIGHT kg 40 8 41 2 38 3 CENTRAL HEATING Maximum water head bar 2 5 2 5 2 5 Maximum temperature C 85 85 85 Water ...

Page 8: ...12 D H W filter 13 Gas valve 14 Pressure relief valve 15 Pressure switch 16 Automatic by pass 17 Drain vent 18 Expansion vessel 19 Hydrometer 20 Condensate trap 21 Condensate level sensor 23 D H W isolation valve 24 Gas isolation valve 25 C H isolation valve 26 C H isolation valve CONNECTIONS R C H return M C H flow G Gas connection E D H W inlet U D H W outlet S3 Condensation outlet ø 20 20 S3 1 ...

Page 9: ...an 5 Smoke stat 100 C 6 Air pressure switch 7 Negative test point 8 Positive test point 9 Post condenser 10 Combustion chamber 11 Ignition ionisation electrode 12 Burner 13 Automatic air vent 14 Programming clock optional 15 Pump 16 Expansion vessel 17 Condensate trap 1 5 MAIN COMPONENTS Fig 3 NOTE Analogue pressure gauge see fig 18 a ...

Page 10: ...he piping has to pass through walls a suitable insulating sleeve must be provided When sizing gas piping from the meter to the boiler take into account both the volume flow rates con sumption in m3 h and the relative density of the gas in question The sections of the piping making up the system must be such as to guarantee a supply of gas sufficient to cover the maximum demand limiting pres sure l...

Page 11: ...e should run and termi nate internally to the house soil and vent stack or waste pipe Alternatively the con densate can be discharged into the rainwa ter system or into a purpose made soak away condensate absorption point An alternative condensate waste pipe should be considered where the system could be effected by extreme weather con ditions All connecting drainage pipework should have a fall of...

Page 12: ...ith the manufacturer s instructions Test kits are available from inhibitor stockists 2 5 COAXIAL DUCT ø 60 100 The standard air inlet smoke outlet assem bly is part number 8096250 and is sup plied complete with mounting instructions NOTE Ensure that any accessories are suitable for condensing boilers 2 5 1 Coaxial flue diaphragm The boilers 25 HE EV SYSTEM 25 HE EV are supplied of series with diap...

Page 13: ...ree bend code 8095870 45 degree bend code 8095970 IMPORTANT The insertion of each additional 90 bend with a diameter of 60 100 code 8095850 reduces the available section by 1 0 meters The insertion of each additional 90 bend with a diameter of 80 125 code 8095870 reduces the available section by 1 0 meters Each additional 45 curve installed a diameter of 60 100 code 8095950 reduces the available l...

Page 14: ...Meters No of extensions L 1000 ECOMFORT PLUS 25 HE EV 0 90 3 9 4 ECOMFORT SYSTEM PLUS 25 HE EV 1 90 1 2 9 3 0 90 2 0 2 ECOMFORT PLUS 30 HE EV 1 90 1 1 0 1 NOTE The use of the additional 90 curve ø 60 sup plied as standard reduces the available length B by 1 meter The use of a 45 curve ø 60 available on request reduces the available length by 0 7 m Fig 5 a ...

Page 15: ...terminal facing the terminal 1 200 mm 48 in J From an opening in the carport eg door window into dwelling 1 200 mm 48 in K Vertically from a terminal on the same wall 1 500 mm 60 in L Horizontally from a terminal on the same wall 300 mm 12 in M Horizontally from a vertical terminal to a wall 300 mm 12 in N Horizontally from an openable window or other opening 300 mm 12 in P Above an openable windo...

Page 16: ...ies ø 80 Head loss mm H2O Head loss mm H2O 25 HE EV SYSTEM 25 HE EV 30 HE EV Inlet Outlet Inlet Outlet 90 elbow MF 0 25 0 35 0 30 0 40 45 elbow MF 0 15 0 25 0 20 0 30 Extension L 1000 horizontal 0 20 0 25 0 20 0 30 Extension L 1000 vertical 0 20 0 15 0 20 0 20 Terminal 0 10 0 35 0 10 0 40 Roof outlet terminal 1 30 0 15 1 50 0 20 This loss includes the losses of the adaptor 8091401 Fig 7 K KE EY Y ...

Page 17: ... systems combined with different electronic systems Where necessary the parameters to be set in the boiler are given For the electrical connections to the boiler refer to the diagrams fig 9 9a Description of the letters indicating the components shown on the system dia grams 1 to 3 M C H flow R C H return SE External temperature sensor TA 1 2 Zone room thermostat VZ 1 2 Zone valve RL 1 2 Zone rela...

Page 18: ...M THERMOSTATS AND EXTERNAL SENSOR Code 8094101 2 BASIC SYSTEM MULTI ZONE SYSTEM WITH VALVE ROOM THERMOSTAT AND EXTERNAL SENSOR Code 8094101 TA R M SE TA VZ TA1 VZ1 TA2 VZ2 1 BASIC SYSTEM SYSTEM WITH SINGLE HEATING ZONE AND ROOM THERMOSTAT OPTIONAL EXTERNAL SENSOR Code 8094101 R M SE TA CR EXP ...

Page 19: ...D NERO BLACK BLU BLUE BLU BLUE VERDE GREEN VERDE GREEN 7 8 1 3 4 2 OP BLU BLUE MARRONE BROWN NERO BLACK NERO BLACK S AUX 3 3 VDC Fig 9 K KE EY Y F Fuse 1 6 AT TRA Ignition transformer PI Pump V Fan EAR Ignition ionisation electrode EV1 2 Gas valve coils VD Divertor valve SL Condensate level sensor SM1 SM2 Heating sensor FLM Flow meter PA Water pressure switch TA Room stat S AUX Auxiliary sensor OP...

Page 20: ...gnition transformer PI Pump V Fan EAR Ignition ionisation electrode EV1 2 Gas valve coils VD Divertor valve SL Condensate level sensor SM1 SM2 Heating sensor FLM Flow meter PA Water pressure switch TA Room stat S AUX Auxiliary sensor OP Programming clock optional PF Smoke pressure switch M Modulating coil TF Smoke stat 100 C SE External sensor EXP Expansion board optional BP 240V input board NOTE ...

Page 21: ... key to display the D H W temperature set value HEATING SET Press the key to display the heating temperature set value value not realtive to the remote control DECREASE Pressing this key decreases the set value INCREASE Pressing this key increases the set value 3 LED GREEN ON Indicates the presence of electrical voltage It can be disabled by setting PAR 3 0 The green LED will flash and beep moment...

Page 22: ... 17 Pump heating activation delay 0 99 10 sec 1 01 18 Re ignition delay 0 10 Min 1 03 19 Modulation D H W flowmeter Disabled 01 1 Enabled 29 Anti legionella only D H W tank Disabled C 1 50 80 PARAMETERS RE SET PAR DESCRIPTION RANGE UNIT OF INC DEC DEFAULT MEASUREMENT UNIT SETTING 49 Reset default parameters 1 PAR 01 PAR 02 equal To reset the circuit board to the default settings set PAR49 to 1 PAR...

Page 23: ... Burner ignition should occur within 10 seconds of the opening of the gas valve If after three attempts the ignition is not detected the boiler will lockout ALL 06 Lack of gas The ignition electrode will discharge for a maximum of 10 seconds If after three attempts the ignition is not detected the boiler will lockout ALL 06 This can hap pen the first time a boiler is switched on or after long peri...

Page 24: ...0 590 579 561 534 509 471 425 376 321 257 183 By pass ON 0 100 200 300 400 500 600 700 800 900 1000 514 490 467 441 415 396 382 357 319 262 185 Water flow l h Residual head mbar Water flow l h Residual head mbar A B C RIFERIMENTO POSIZIONE BY PASS D Fig 13 Fig 12 LEGEND A By pass on B By pass off C Water pressure switch assembly D Auto air vent REFERENCE POSITION BY PASS ...

Page 25: ...placed as required and the tight ness tested using a suitable leak detec tion fluid 4 2 1 New fuel configuration Access the parameters section by pres sing the control panel keys and at the same time for 5 seconds The red LED flashes and the display shows Scroll the parameters using or To enter the fuel configuration paramater PAR 01 use or The set value flashes and if the boiler in question is a ...

Page 26: ... on with the water running Hold the nut 3 in place turn the screw 2 to the minimum pressure indicated in Table 7 fig 14 Alternately press the keys and while keeping the hot sanitary water run ning all the time and check that the maximum and minimum pressures cor respond to the set values if necessary readjust Press the key again to quit the func tion Refit the valve VENT pipe Remove the manometer ...

Page 27: ...e hot water taps Under these conditions the boiler will func tion at maximum power with the D H W kept at between 60 C and 50 C During the test the hot water faucets must remain open To exit to the chimney sweep function press the key of the control panel The chimney sweep function will automa tically switch off after 15 minutes from the activation 4 5 FUNCTIONING ERRORS When there is a functionin...

Page 28: ...ty of the boiler combustion cir cuit and all the relevant seals The following procedure should be done after installation a gas purge and tight ness drop test have been made Ensure that the auto air vent 13 fig 3 is opened turn the electrical supply on With the boiler on standby fill the system and pressurise to 1 5 bar fig 18 a Ensure that the pump has been manually rotated Open the gas cock pres...

Page 29: ...on panel 4 7 4 Condensate Trap The condensate trap would not normally require removal during service but can be checked by carefully pouring water into the inner flue Great care must be taken to avoid water entering the outer flue Check that the water flows freely to the drain Should it require removal firstly disconnect the level sensor then remove the clip secu ring the condensate drain pipe Rem...

Page 30: ... Fitted Not required Thermostatic radiator valves Fitted Not required Automatic bypass to system Fitted Not required Boiler interlock Provided ALL SYSTEMS s instructions Yes What system cleaner was used What inhibitor was used Quantity litres Yes No CENTRAL HEATING MODE measure and record Gas rate m hr OR ft hr Burner operating pressure if applicable mbar OR Gas inlet pressure mbar C Central heati...

Page 31: ...min rate Where Possible CO ppm AND CO Comments Signature SERVICE 04 Date Engineer name Company name Telephone No Gas safe register No Record At max rate CO ppm AND CO At min rate Where Possible CO ppm AND CO Comments Signature SERVICE 05 Date Engineer name Company name Telephone No Gas safe register No Record At max rate CO ppm AND CO At min rate Where Possible CO ppm AND CO Comments Signature SER...

Page 32: ... a fault NOTE Should it be found that the fuse has failed but no fault is indicated a detailed continuity check i e by disconnecting and checking each component is required to trace the faulty component It is possible that a fault could occur as a result of local burning arcing but no fault could be found under test However a detailed visual inspection should reveal evidence of burning around the ...

Page 33: ...te position of wires before removal Note position of sensing tube before removal Refit in reverse order 6 9 Thermistor SM sensor Isolate power supply Remove boiler cover Remove sealed chamber cover Disconnect thermistor Refit in reverse 6 10 Gas Valve Isolate power supply Isolate gas supply Remove boiler cover Disconnect wiring from gas valve Disconnect sensing tube Remove gas valve Refit in rever...

Page 34: ...he sensor Refit in reverse order 6 21 CONDENSE TRAP Isolate boiler Remove cover Remove sensor as described in 6 20 Remove the screws securing the trap to its mounting bracket Refit in reverse order 6 22 PRINTED CIRCUIT BOARD PCB Isolate boiler Remove cover Remove the control panel fixing screws Lower the panel to the horizontal position Remove the PCB cover Disconnect the wiring from the PCB Relea...

Page 35: ...COMFORT PLUS 25 HE EV Posiz Codice Descrizione 001 6292541 Left rear frame part 002 6292551 Right rear frame part 003 6255461 Expansion vessel lower support 004 6138771 Frame assembly upper support 005 5183726 Rectang expansion vessel 8 l ...

Page 36: ...st condenser inlet 041 6226601 Spring for heat exchanger conne 042 6265130 Heat exchanger outlet pipe 043 6267130 Water trap support 044 6277209 Water trap 045 6319500 Magnetic sensor 046 6293560 2 pole cable connector 047 6017310 Flexible pipe 048 6226464 O ring 115 diam 11 91x2 62 049 6226627 Expansion vassel fixing spring 050 2030226 Gasket Ø 10 2x14 8x2 051 6318060 Frame assembly lower side 05...

Page 37: ...cock 3 4 F x 15 099 6157648 Pressure relief valve drain pip 100 6177506 Ball cock 1 2 x 15 101 6142330 Quarter bend 1 2 x 15 102 6034163 Condensate drainage pipe 701 6319150 6 pole cable connector 702 6316253 9 pole Stocko connector 703 6319152 14 pole cable connector 704 6127214 Main cable L 1500 705 6319151 5 pole cable connector 706 6126040 Two wire cable L 550 707 5198696 Technyl hydraulic gro...

Page 38: ...PLUS 30 HE EV Posiz Codice Descrizione 001 6292541 Left rear frame part 002 6292551 Right rear frame part 003 6255461 Expansion vessel lower support 004 6138771 Frame assembly upper support 005 5183726 Rectang expansion vessel 8 l ...

Page 39: ...601 Spring for heat exchanger conne 042 6265130 Heat exchanger outlet pipe 043 6267130 Water trap support 044 6277209 Water trap 045 6319500 Magnetic sensor 046 6293560 2 pole cable connector 047 6017310 Flexible pipe 048 6226464 O ring 115 diam 11 91x2 62 049 6226627 Expansion vassel fixing spring 050 2030226 Gasket Ø 10 2x14 8x2 051 6318060 Frame assembly lower side 052 6288200 Sealed chamber si...

Page 40: ... relief valve drain pip 100 6177506 Ball cock 1 2 x 15 101 6142330 Quarter bend 1 2 x 15 102 6034163 Condensate drainage pipe 701 6319150 6 pole cable connector 702 6316253 9 pole Stocko connector 703 6319152 14 pole cable connector 704 6127214 Main cable L 1500 705 6319151 5 pole cable connector 706 6126040 Two wire cable L 550 707 5198696 Technyl hydraulic group 708 6319699 Split pin kit for hyd...

Page 41: ...LUS 25 HE EV Posiz Codice Descrizione 001 6292541 Left rear frame part 002 6292551 Right rear frame part 003 6255461 Expansion vessel lower support 004 6138771 Frame assembly upper support 005 5183726 Rectang expansion vessel 8 l ...

Page 42: ...xchanger post condenser inlet 041 6226601 Spring for heat exchanger conne 042 6265131 Heat exchanger outlet pipe 043 6267130 Water trap support 044 6277209 Water trap 045 6319500 Magnetic sensor 046 6293560 2 pole cable connector 047 6017310 Flexible pipe 048 6226464 O ring 115 diam 11 91x2 62 049 6226627 Expansion vassel fixing spring 050 2030226 Gasket Ø 10 2x14 8x2 051 6318060 Frame assembly lo...

Page 43: ...2 Complete control panel 702 5144712 Conversion kit to LPG 704 6319150 6 pole cable connector 705 6316253 9 pole Stocko connector 706 6319154 14 pole cable connector 707 6127214 Main cable L 1500 708 6319153 5 pole cable connector 709 6126040 Two wire cable L 550 710 5184817 Fitting cocks kit 711 5198890 Technyl hydraulic group 712 6211793 Hydraulic group kit 713 6319699 Split pin kit for hydrauli...

Page 44: ...44 NOTES ...

Page 45: ...45 NOTES ...

Page 46: ...46 NOTES ...

Page 47: ... kept to a minimum Pipework must be angled down from the boiler with a fall of at least 2 5 The pipework must be supported at a distance of 0 5m for inclined runs and 1 0m for vertical runs Condensate traps Where the condensate drain is not sealed to the discharge connection a trap will be required The water seal should be 38mm or more for external discharge and 75mm or more for internal discharge...

Page 48: ...Cod 6316116 08 2013 Documentation Dpt Sime Ltd 1a Blue Ridge Park Thunderhead Ridge Glasshoughton Castleford WF10 4UA Phone 0845 9011114 Fax 0845 9011115 www sime co uk Email enquiries sime co uk ...

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