Ariston 41-116-01 Boiler User Manual
Contents
1. GENUS 23 27 30 MFFI GENUS 27 RFFI SYSTEM 1 1 24 2 zi en 2 2 4 22 3 3 4 21 20 5 5 6 19 6 7 18 7 8 17 8 9 16 9 10 15 10 111213 14 Fig 1 1 Legend 1 Flue Connector 2 Combustion Chamber Hood 3 Main Heat Exchanger 4 Combustion Chamber Insulation Panel 5 Burner 6 Expansion Vessel 7 Overheat Thermostat 8 Spark Generator 9 Diverter Valve Motorised Valve RFFI 10 Main Circuit Temperature Probe 11 Main Circuit Flow Switch 12 Domestic Hot Water Temperature Probe 13 Diverter Valve Microswitch 14 Filter Seat 15 Drain Valve 16 Secondary Heat Exchanger 17 Safety Valve 3 bar 18 Circulation Pump with Automatic Air Release Valve 19 Gas Valve 20 Detection Electrodes 21 Ignition Electrodes 22 Fan 23 Venturi 24 Air Pressure Switch 004 2 2 1 2 2 INSTALLATION Reference Standards Siting the Appliance The technical information and instructions provided herein below are intended for the installer so that the unit may be installed corre2. 666660 Ez ele gt gt gt gt gt To 20 19 18 17 16 Legend om c o ouo 11 12 20 ommgogomp r Air Pressure Switch Fan Main Heat Exchanger Burner Electronic Ignitor and Electronic Flame Detector Gas Valve Overheat Thermostat Heating Sensor Diverter Valve MFFI Motorised Valve RFFI Main Flow Switch Including Safety Pressure Switch for Primary Circuit Automatic By pass Microswitch for Diverter Valve 13 14 15 16 17 18 19 Sensor for Domestic Hot Water Secondary Heat Exchanger Domestic Water Inlet Filter Drain Valve Safety Valve Water Pressure Gauge Circulation Pump with Automatic Air Valve Expansion Vessel Central Heating Flow Domestic Hot Water Outlet Gas Inlet Domestic Cold Water Inlet Central Heating Return Cylinder Flow Oylinder Return 3 3 1 3 2 20 COMMISSIONING Initial Preparation Removing the Casing Preliminary electrical system checks to ensure electrical safety
3. E 004 17 GENUS 23 27 30 MFFI ICN 103 11 2 ai CN 104 14 si 10 EA FF T2TTATSTSTTe EST Tg eve A108 x El A FFI 2134 8 GENUS 27 RFFI SYSTEM DOG cue E e S5859 JUMP TCS DAS K D oO EB C MI FFI 004 18 2 12 Water Circuit Diagram A e B004 GENUS 23 27 30 MFFI
4. 004 NOTES 004 30 37 004 Manufacturer Commercial subsidiary Merloni TermoSanitari SpA Italy MTS GB LIMITED MTS Building Hughenden Avenue High Wycombe Bucks HP13 5FT Telephone 01494 755600 Fax 01494 459775 Technical Service Hotline 01494 539579 Stampa bleffe recanat 004 Cod 23 99 84 1259 111
5. Overheat Thermostat Reset Ignition Lockout L E D C Selector Knob for 3 amp i 3 m Summer Winter Flue Analysis em Wm i Modes 9 jJ J D Low System Water Level L E D E Temperature Adjustment Knob GENUS for Domestic Hot Water F Heating System Thermometer G Safety Overheat Thermostat Intervention L E D GENUS 27 RFFI SYSTEM H Adjustment Knob for Heating Temperature On Off L E D L On Off Switch System Pressure Gauge PAA 9 coe 4 Ww Warning the flue analysis mode must only be selected by a qualified service engineer 004 21 3 4 Initial Start up The checks to be run before initial start up are as follows 1 Make sure that the screw on the automatic air valve has been loosened when the system is full If the water pressure in the system is below 1 bar bring it up to the appro priate level Check to see whether the gas cock is closed Make sure that the electrical connection has been made properly and that the earth wire is connected to an efficient earthing system Supply power to the boiler by pressing the On Off switch L the L E D I will turn on turn the selector knob C to the winter setting This will start the circulation pump After 7 seconds the boiler will signal a shut down due to failure ignition Leave the boiler as it is until
6. 40 gt 1 40 gt 1 0 gt 1 MA 26 MA C UOISU3IK3 wnwixey d L 1sneux3 Jo 19jeureiq epis eDueuosiq uo 1019u1seH Jo esf Buiuuo uonesuapuo 10 XSIH B004 2 10 Room Thermostat In order to perform this procedure remove the boiler casing as indicated in Connection section 3 2 Then proceed as follows Remove the two screws A in order to remove the cover release the two clips B and lift and rotate down the control panel box Open the cover C on the left hand side of the compartment Insert the wire for the connection of the room thermostat into the cable clamp D as indicated in photo 3 1 2 3 8 9 Remove the grommet E shown in the photo 4 make a hole in it and pass the room thermostat wire through Remove the link located in the terminal block and connect the wire Replace the grommet and the terminal block to their original positions close the cover on the grommet compartment and fasten the wire clamp D in place If a remote time clock is to be fitted disconnect the integral time clock plug from the P C B Using a volt free switching time clock connect the switching wires from the time clock following points 1 6 above If using a time clock and room thermostat these must be connected in series as per points 1 8 above Note Only a two wire type room thermosiat can be used 004 For details on fitting the D H W
7. hy 58559 1 3 9 246 226 2 2 SESS 1 IE 22151 22591 10V NO NO 9 6 yur a E a 9 2 1 N fold 0002 uojuoiewo jela 1 3 201201 ljepued 9 xut T TO t 258 1 2 o 9 1 N HIM o 5 0 052202 ezaon 3 y e epum ucuend 22225 S 2 0 9 d 00 00 9 0 m vog 98 1022 owung 1 N t j OZEM 119 9 sipue gas 9 6 2 Yul 9975 y bk ay rye Sp 132116 1 N ZAMU 9 Spu 6 7 N 006 Soe WAUSWWHOLIMS su 9210 109 929 UUBWISIOH m 1 N amp 009007 asewyoyms 1 N y 1 sndwaj uoifeiq jeuog uoudu s STIS T TL 1 N Y JejseuluoyMs 1 N v 0029 15 0069 15 0079 15 TIN 3 6 yur TEMNA n dg 2001 8669 LS O 6 zZ 9 zZ E 9 a 55 N SE k zm gt 8 o 23 Ww 7 3 by Thermal cut out gt n a o 3 T 2 155 o ui EJ EE Ot 2 oH 32 m ER NZ z 5 oe d 15 os 2 105 25 9 e E 004 28 NOTES
8. eee Lov WA 20 890 155 A B D E VV A A k 208 c AB C DE 4107 125 5 125 1107 ta 181 zi 5 c HER Legend A Central Heating Flow 3 4 Be X um X ui B Domestic Hot Water Outlet 1 2 Emp NEN C Gas Inlet 3 4 ee Re RE 6 D Domestic Cold Water Inlet 1 2 155 A D E E Central Heating Return 3 4 132 67 66 zs 0 F Cylinder Flow 3 4 VV A AAV G Cylinder Return 3 4 AF DGE Fig 2 1 2 4 Clearances In order to allow for access to the interior of the boiler for maintenance purposes the boiler must be installed in compliance with the clearance requirements indicated in the diagram below GENUS 23 27 30 MFFI GENUS 27 RFFI SYSTEM i gt lt A ee 26 Fig 2 2 2 5 2 6 Mounting the Appliance Electrical Connection Fasten the boiler in place using the template and anchors supplied with the unit It is highly recommended that a spirit level be used to position the boiler so that it is perfectly level For additional information please consult the instructions contained in the connection kit and the flue kit For safety purposes have a competent person carefully check the electrical system in the property as the manufacturer will not be held liable for damage caused by the failure to earth the appliance prop
9. all of the air has been bled from the lines Loosen the cap on the head of the pump to eliminate any air pockets Repeat the procedure for bleeding the radiators of air Open the taps for a brief period Check the system pressure and if it has dropped open the filling loop again to bring the pressure back up to 1 bar 2 Check the exhaust flue for the fumes produced by combustion 3 Make sure that all gate valves are open 4 Turn on the gas cock and check the seals on the connections including the one for the burner making sure that the meter does not signal the passage of gas Check the connections with a soap solution and eliminate any leaks 5 Press the reset button A for the lighting system the spark will light the main burner If the burner does not light the first time repeat the procedure 6 Check the minimum and maximum pressure values for the gas going to the burner adjust it if needed using the values indicated in the table in section 4 See sect of the servicing manual 3 5 Operational The boiler was designed to make regulation easy To access the adjustment Adjustments and control area simply remove the cover by unscrewing the screws A and C and lift up the small service panels B1 and B2 respectively The first provides access to the control low voltage P C B while the second makes it possible to work on the power supply P C B The service panel B2 also provides access to the po
10. an extended period of time it is recommended that you add antifreeze with an ethylene glycol base to the water in the heating lines and radiators if the ambient temperature drops below 0 C during the winter This makes repeated draining of the entire system unnecessary Draining the domestic hot water system Whenever there is the danger of the temperature dropping below the freezing point the domestic hot water system must be drained as follows Turn off the general water valve for the household plumbing system Turn on all the hot and cold water taps Empty the remaining water from the lowest points in the system where present B004 4 GAS ADJUSTMENTS CATEGORY II2H34 Methane Gas Lower Wobbe Index 15 C 1013mbar Nominal Delivery Pressure Minimum Delivery Pressure 23 MFFI Main Burner n 13 jets 0 Consumption 15 C 1013mbar Consumption 15 C 1013mbar Gas Cock Outlet Pressure max min 27 MFFI 27 RFFI System Main Burner n 15 jets 0 Consumption 15 C 1013mbar Consumption 15 C 1013mbar Gas Cock Outlet Pressure max min 30 MFFI Main Burner n 15 jets Consumption 15 C 1013mbar Consumption 15 C 1013mbar Gas Cock Outlet Pressure max min 1mbar 10 197column of water The outlet pressure of the gas cock is obtained by completely loosening the screw on the solenoid The maximum pressure of the gas to the burner will be equal to the nominal delivery pressu
11. la 232 5 212 X ET 2 S 3 5 S82 S E 29 n z 89 ORANGE 25 5512 S 25121656516 2 B E GREENYELLOW 8 V4043H a aa E VALVE 9 ve EE ZU PEE ME iz c zu w 10 w lt o 1 E o o jojoa P 1 6360 1s lt gt ROOM S 8 8 Sz THERMOSTAT a la 4 gE S 5188 2582 95 5 e Bs B 5 12 5 6 c S435 25 5 So s2 3 S az 5 Bg 2 S2 92 Bz 87 S se 2515 6 25 56 5 55 85 85 240V MAINS INPUT 3 AMP B004 between 4 5 on the junction box between 6 8 on the junction box BOILER PROGRAMMER M4 ZONE 2 PROGRAMMER t 4 ZONE 2 If a room thermostat is not required on Zone 1 insert a link If a room thermostat is not requied on Zone 2 insert a link ZONE 1 ZONE 1 Based on Honeywell controls 27 for D Connection to Ariston Unvented Cylinder iring 6 2 peseg 210 I YsININVYDOYd g yur 6 Y 3 8 0 m lt Eo 9 ur o 0906 pue 8 owebue gt 38035 Inj 2 a ozo biet 3 rum a agea o G Z yur
12. must be carried out by a qualified technician and be in accordance with the current Regulations and applicable local regulations The Genus range of boilers are supplied for connection to a 230 V 50 Hz supply The supply must be fused at 3 A The method of connection to the electricity supply must facilitate complete electrical isolation of the appliance by the use of a fused double pole isolator having a contact separation of at least 3 mm in all poles or alternatively by means of a 3 A fused three pin plug and unswitched shuttered socket outlet both complying with BS 1363 The point of connection to the Electricity supply must be readily accessible and adjacent to the appliance unless the appliance is installed in a bathroom when this must be sited outside the bathroom The local gas supplier contractor connects the gas meter to the service pipe If the gas supply for the boiler serves other appliances ensure that an adequate supply is available both to the boiler and the other appliances when they are in use at the same time Pipe work must be of an adequate size Pipes of a smaller size than the boiler inlet connection should not be used B004 2 8 Water Connections GENUS 23 27 30 MFFI View of the Boiler Connections GENUS 27 RFFI SYSTEM Fitting the connection kit to the Genus 27 RFFI System only It will be noted that the kit has two connections not required for this boil
13. probe Genus 27 RFFI only please consult the separate instruction sheet supplied with the probe An anti frost device is built in to the appliance s electronic regulation system 15 2 11 Electrical Diagram 16 Legend gt Il High Voltage P C B Low Voltage P C B Remote Connector Kit Flame Failure L E D Insufficient Water Pressure L E D Water Temperature Indicator L E D s Overheat Thermostat Warning L E D System Reset Button Selector Knob for Operating Mode Domestic Hot Water Temp Adjustment Central Heating Temp Adjustment Wire Connector for Room Thermostat Connector for Total Check System Selector for Local Remote Control Anti cycling Device Adjustment for Heating Soft light Adjustment Max Heating Temperature Adjustment Time Clock Connection On Off L E D On Off Switch Interface Wire for P C B s Relay Motorised Valve lIgnitor Relay Gas Valve Relay Fan Relay Circulation Pump Relay Selector TCS2 Link for Continuous Pump Run Adapior British Gas use only lt 2 gt ll DNX ll 01 Air Pressure Switch 02 Fan A03 Gas Valve 04 1 05 Motorised Valve 06 Circulation Pump 07 Flame Detector 08 Earth Terminal 09 Flame Detection Circuit A10 Flame Indicator L E D 11 Transformer 12 Filter 01 Over Heat Thermostat 02 Ext
14. G30 G31 Temp of exhaust fumes at nominal capacity G20 G25 CO Content Oz Content CO Content Minimum Ambient Temperature Head Loss on Water Side max 2 20 Residual Head of System Heating Temperature Domestic Hot Water Temperature D H W Flow Rate 3 359 D H W Flow Rate T 35 C D H W Flow Minimum Rate Pressure of Domestic Hot Water Expansion Vessel Capacity Expansion Vessel Pre load Pressure Maximum Water Content in System Maximum Heating Pressure Nominal Pressure Natural Gas G20 G25 Liquid Gas G30 G31 Electrical Supply Power Consumption Protection Grade of Electrical System Internal Fuse Rating Weight G C Number Calculated at 7096 maximum output 4 3 Check the general condition of the appliance and of the combustion chamber visually 4 Visual check of the combustion clean burners if necessary 5 With reference to point 3 dismantle and clean the combustion chamber if necessary 6 With reference to point 4 dismantle and clean the injectors if necessary 7 Visual check of the primary heat exchanger check for overheating of the exchangers fins clean the exhaust side of the exchanger and fan if necessary 8 Regulate the gas pressure ignition pressure partial flame maximum flame 9 Check proper operation of the heating safety system maximum safety temperature maximum safety pressure 10 Check the proper operation of the gas safety system gas or flame
15. Installation Instructions Type C Boilers G C N 41 116 01 47 116 08 47 116 09 47 116 13 LEAVE THESE INSTRUCTIONS ADJACENT TO THE GAS METER A gt ARISTON Country of destination GB TABLE OF CONTENTS 1 2 9 GENERAL INFORMATION General Instructions Technical Information Overall View INSTALLATION Reference Standards Siting the Appliance Overall Dimensions Clearances Mounting the Appliance Electrical Connection Gas Connection Water Connections Flue Connection 2 10 Room Thermostat Connection 2 11 Electrical System Diagrams 2 12 Water Circuit Diagrams 3 6 1 6 2 COMMISSIONING Initial Preparation Removing the Casing Control Panel Initial Start up Operational Adjustments Combustion Analysis Fume Discharge Monitoring Boiler Safety Systems Draining the System GAS ADJUSTMENTS Gas Adjustment Table Changing the Type of Gas MAINTENANCE MISCELLANEOUS Wiring Diagram for Two Heating Zones Wiring Diagram for Connection to Ariston Unvented Cylinder 004 1 11 004 GENERAL INFORMATION General Information This manual is an integral and essential part of the product It should be kept with the appliance so that it can be consulted by the user and our authorised personnel Please carefully read the instructions and notices about the unit contained in this manual as they provide important information regarding the safe installation u
16. alue when the system is heated It can accept up to 7 1 5 gal of expansion water If the heating circuit has an unusually high water content calculate the total expansion and add an additional sealed expansion vessel with adequate capacity Mains Water Feed Central Heating There must be no direct connection to the mains water supply even through a non return valve without the approval of the Local Water Authority Filling A temporary method for initially filling the system and replacing lost water during servicing and initial filling in accordance with Water Supply Byelaw 14 is provided as an intergal part of the connection kit see fig 2 5 The flexible hose must be removed once the system has been filled The D H W inlet valve on the connection kit has two postions one for winter and one for the summer This enables the flow rate through the appliance to be adjusted so that a sensible D H W temperature may be achieved throughout the year Domestic Water The domestic water must be in accordance with the relevant recommendation of BS 5546 1990 Copper tubing to BS EN 1057 1996 is recommended for water carrying pipe work and must be used for pipe work carrying drinking water Residual Head of the Boiler so 27 30 kW 0 10 200 30 40 50 60 70 800 90 00 1100 120 130 140 Qm Flue System The provision for satisfactory flu
17. ance heat exchanger is not a natural collecting point for air Except where providing useful heat pipes should be insulated to prevent heat loss and avoid freezing Particular attention should be paid to pipes passing through ventilated spaces in roofs and under floors By pass The appliance includes an automatic by pass valve which protects the main heat exchanger in case of reduced or interrupted water circulation through the heating system due to the closing of thermostatic valves or cock type valves within the system System Design This boiler is suitable only for sealed systems Drain Cocks These must be located in accessible positions to permit the draining of the whole system The taps must be at least 15mm nominal size and manufactured in accordance with BS 2870 1980 Safety Valve Discharge The discharge should terminate facing downwards on the exterior of the building in a position where discharging possibly boiling water amp steam will not create danger or nuisance but in an easily visible position and not cause damage to electrical components and wiring The discharge must not be over an entrance or a window or any other type of public access 9 2 9 Flue Connections 10 Air Release Points These must be fitted at all high points where air naturally collects and must be sited to facilitate complete filling of the system The appliance has an integral sealed expansion vessel to accommodate the increase of water v
18. ccessories manual e L 500 Fig 2 11 004 13 In calculating the lengths of the pipes the maximum length must also take into consideration the values for the exhaust air intake end terminals as well as 90 elbows for coaxial systems The C52 types must comply with the following requirements 1 The discharge intake vent pipes must have the same diameter of 80 mm 2 The maximum combined flue length is 17 m for Models Genus 23 27 MFFI RFFI and 15 m for Model Genus 30 MFFI In this case the minimum length for the air intake pipe is 1 meter the maximum length of vertical exhaust pipe must be a maximum of 12 m 3 If an elbow is inserted into the discharge ventilation system the calculation of the overall extension must take into consideration the values for each curve as indicated in the table 4 The exhaust pipe must extend at least 0 5 m above the ridge of the roof if it is located on a side other than that for the air intake this is not obligatory if the exhaust and air intake pipes are located on the same side of the building 1 jo ujBue1 14 001 09 8 3 3 3 001 09 9 0 gt 1 gt 1 9 gt 1 001 09 0
19. ctly and safely The installation and initial startup of the boiler must be by a CORGI Approved Installer in compliance with the installation standards currently in effect as well as with any and all local health and safety standards i e CORGI This appliance must be installed by a competent installer in accordance with the current Gas Safety installation amp use Regulations The installation of this appliance must be in accordance with the relevant requirements of the current Gas Safety installation amp use Regulations the Local Building Regulations the current Wiring Regulations the byelaws of the local water authority and in Scotland in accordance with the Building Standards Scotland Regulation and Health and Safety document No 635 Electricity at work regs 1989 Installation should also comply with the following British Standard Codes of Practice Low pressure pipes BS 6891 1988 Boiersofratedinput not exceeding 60 kW BS 6798 1987 Forced circulation hot water system BS 5449 1990 Installation of gas hot water supplies for domestic purposes 2nd family gases BS 5546 1990 Flues BS 5440 1 1990 Air supply BS 5440 2 1989 The appliance may be installed in any room or indoor area although particular attention is drawn to the requirements of the current Wiring Regulations and in Scotland the electrical provisions of the Building Regulations applicable in Scotland with respect t
20. e termination must be made as described in BS 5440 1 The appliance must be installed so that the flue terminal is exposed to outdoor air The terminal must not discharge into another room or space such as an outhouse or lean to It is important that the position of the terminal allows a free passage of air across it at all times The terminal should be located with due regard for the damage or discolouration that might occur on buildings in the vicinity In cold or humid weather water vapour may condense on leaving the flue terminal The effect of such steaming must be considered If the terminal is less than 2 metres above a balcony above ground or above a flat roof to which people have access then a suitable terminal guard must be fitted When ordering a terminal guard quote the appliance model number B004 A suitable terminal guard is available from TOWER FLUE COMPONENTS Morley Road Tonbridge Kent TN9 1RA The minimum acceptable spacing from the terminal to obstructions and ventilation openings are specified in Fig 2 6 TERMINAL POSITION mm A Directly below an open window or other opening 300 Fig 2 6 B Below gutters solid pipes or drain pipes 75 Below eaves 200 D Below balconies or car port roof 200 E From vertical drain pipes and soil pipes 75 F From internal or external corners 300 G Above ground or below balcony level 300 H From a surface facing a terminal 600 From a termi
21. er i e the domestic cold inlet E and the domestic hot water outlet B see fig 2 4 Although the cold water main supply must be connected to the isolation valve for the purpose of operating the filling loop the isolation valve is NOT connected to the boiler and should be left in the OFF position The D H W outlet is capped off on the boiler therefore not requiring the isolation valve to be used The Genus 27 RFFI System has 2 x 3 4 B S P male threads for the cylinder flow and return It is recommended that 2 x 22mm x 3 4 female iron fittings not supplied be used on these connections using tape before the boiler is mounted on the wall 004 A Central Heating Flow B Domestic Hot Water Outlet C Gas Inlet D Domestic Cold Water Inlet E Central Heating Return F Cylinder Flow G Cylinder Return Safety Valve Central Heating Detailed recommendations are given in BS 6798 1987 and BS 5449 1 1990 the following notes are given for general guidance Pipe Work Copper tubing to BS EN 1057 1996 is recommended for water pipes Jointing should be either with capillary soldered or compression fittings Where possible pipes should have a gradient to ensure air is carried naturally to air release points and water flows naturally to drain taps The appliance has a built in automatic air release valve however it should be ensured as far as possible that the appli
22. erly or by anomalies in the supply of power Make sure that the residential electrical system is adequate for the maximum power absorbed by the unit which is indicated on the rating plate In addition check that the section of cabling is appropriate for the power absorbed by the boiler The boiler operates with alternating current as indicated in the technical data table 1 2 where the maximum absorbed power is also indicated Make sure that the connections for the neutral and live wires correspond to the indications in the diagram The appliance electrical connections are situated on the reverse of the control panel see the servicing manual for further information Pe CNN e 160 mm Fig 2 3 2 7 Gas Connection Important In the event that the power supply cord must be changed replace it with one with the same specifications Make the connections to the terminal board located within the control panel as follows The yellow green wire should be connected to the terminal marked with the earth symbol make sure to re use the ferrule mounted on the other supply cord The blue wire should be connected to the terminal marked N The brown wire should be connected to the terminal marked L Note The diagrams for the electrical system are indicated in section 2 11 Warning this appliance must be earthed External wiring to the appliance
23. ernal Thermostat Gas Valve Modulator 04 D H W Probe Sensor Cylinder RFFI SYSTEM models only B05 Heating Sensor B06 Pressure Switch for Heating Circuit 07 Microswitch for Diverter Valve MFFI models only Colours Gry Grey Rd Red BI Blue Grn YII Yellow Green Wh White Brn Brown BIk Black Wh Rd White Red 004 GENUS 23 27 30 MFFI HOC OOO 40 50 60 70 Fuse za Fuse 2A CN 101 Fuse 2 Fuse 2
24. he gas cock supplied with the connection kit to the appliance and check the gas connector on the appliance for leaks When the installation and filling are completed turn on the central heating system sect 3 4 and run it until the temperature has reached the boiler operating temperature The system must then be immediately flushed through The flushing procedure must be in line with BS 7593 1992 Code of practice for treatment of water in domestic hot water central heating systems During this operation we highly recommend the use of a central heating flushing detergent Fernox Superfloc or equivalent whose function is to dissolve any foreign matter that may be in the system Substances different from these could create serious problems to the pump or other components The use of an inhibitor in system such as Fernox MB 1 or equivalent is strongly recommended to prevent corrosion sludge damaging the boiler and system Failure to carry out this procedure may invalidate the appliance warranty To dismantle the front part of the casing proceed as follows 1 Loosen the two screws F located on the bottom part of the boiler until the first thread on the screws appears B004 2 Lift the front panel up until it stops after the click 3 Remove the front panel from the rest of boiler casing 4 Unhook the two cords from the location slots 3 3 Control Panel GENUS 23 27 30 MFFI A Ignition Lockout Reset Button Safety
25. must be carried out by a competent person i e polarity earth continuity resistance to earth and short circuit Filling the Heating System Remove the panels of the case and lower the control panel see point 3 2 for further information Open the central heating flow and return cocks supplied with the connection kit Unscrew the cap on the automatic air release valve one full turn and leave open permanently Close all air release valves on the central heating system Gradually open valve s at the filling point filling loop connection to the central heating system until water is heard to flow do not open fully Open each air release tap starting with the lower point and close it only when clear water free of air is visible Purge the air from the pump by unscrewing anticlockwise the pump plug and also manually rotate the pump shaft in the direction indicated by the pump label to ensure the pump is free Close the pump plug Continue filling the system until at least 1 bar registers on the pressure gauge Inspect the system for water soundness and remedy any leaks discovered Filling of the D H W System Close all hot water draw off taps Open the cold water inlet cock supplied with the connection kit Open slowly each draw off tap and close it only when clear water free of bubbles is visible Gas Supply Inspect the entire installation including the gas meter test for soundness and purge all as described in BS 6891 1988 Open t
26. n If you smell gas in the room do not turn on light switches use the telephone or any other object which might cause sparks Open doors and windows immediately to ventilate the room Shut the gas mains tap on the gas meter or the valve of the gas cylinder and call your Gas Supplier immediately If you are going away for a long period of time remember to shut the mains gas tap or the gas cylinder valve Always disconnect the appliance either by unplugging it from the mains or turning off the mains switch before cleaning the appliance or carriyng out maintenance In the case of faults or failure switch off the appliance and turn off the gas tap Do not tamper with the appliance For repairs call your local Authorised Servicing Centre and request the use of original spare parts For in guarantee repairs contact MTS GB Limited Check the following at least once a year 1 Check the seal of water connections replacing the gaskets if necessary 2 Check the seal of the gas connections replacing the gaskets if necessary 3 1 2 Technical Information CE Certification Heat Input Heat Output Efficiency of Nominal Heat Input Efficiency at 30 of Nominal Heat Input Heat Loss to the Casing T 50 C Flue Heat Loss with Burner Operating Flue Heat Loss with Burner Off Maximum Discharge of Fumes G20 G25 Residual Discharge Head Consumption at Nominal Capacity G20 G25 Gas Consumption after 10 Minutes 15 C 1013 mbar
27. nal facing a terminal 1200 J From an opening in the car port e g door window into dwelling 1200 K Vertically from a terminal in the same wall 1500 L Horizontally from a terminal in the same wall 300 The boiler is designed to be connected to a coaxial flue discharge system 60 100 mm A Fig 2 7 004 11 In addition it is also possible to use a split system by fitting a special adapter to the flue discharge collar and using one of the apertures for the air vent intake located on the top part of the combustion chamber A 80 mm posset i e y YA ANN 2771 7 CN 27 cou YA T N 2 wwe E y osom AC ey 7 ioca Se i This procedure must be done as follows 1 Remove the air vent intake you want to use in the area indicated in Fig 2 9 by breaking the perforated ring 2 Use a tool to grasp the lid and remove it completely 3 Clean any burrs or sharp edges with a knife or an appropriate tool Fig 2 10 12 B004 In Fig 2 11 below several different types of flue systems are shown For additional information regarding the flue accessories please consult the Flue Pipe A
28. o the installation of the combined appliance in a room containing a bath or shower Where a room sealed appliance is installed in a room containing a bath or shower the boiler and any electrical switch or appliance control utilising mains electricity should be situated so that it cannot be touched by a person using the bath or shower The location must permit adequate space for servicing and air circulation around the appliance as indicated in paragraph 2 4 The location must permit the provision of an adequate flue and termination For unusual locations special procedures may be necessary BS 6798 1987 gives detailed guidance on this aspect A compartment used to enclose the appliance must be designed specifically for this purpose No specific ventilation requirements are needed for an installation within a cupboard This appliance is not suitable for outdoor installation The type C appliances in which the combustion circuit air vent intake and combustion chamber are air tight with respect to the room in which the appliance is installed can be installed in any type of room There are no limitations with respect to ventilation and the volume of the room itself The boiler must be installed on a solid permanent wall to prevent access to the electrical parts when live through the aperture on the back frame B004 2 3 Overall Dimensions GENUS 23 27 30 MFFI 107 125 125 107 181 ole sle L 100 80 280 EE
29. re minus the head loss within the gas valve 4 1 Changing the Type of The boiler can be converted to use either methane natural gas G20 or Gas LPG G30 G31 by an Authorised Service Centre The operations that must be performed are the following 1 Replace the jets on the main burner see table in section 4 2 Adjust the maximum and minimum thermal capacity values for the boiler see table in section 4 3 Replace the gas rating plate 4 Adjust the maximum thermal power setting Methane Gas Liquid Butane Gas Liquid Propane Gas G30 G31 Recommended Soft light Pressure mbar B004 25 5 26 MAINTENANCE 5 Adjust the soft light feature 6 Adjust the delayed lighting feature for the heating system can be set from 0 to 2 mins It is recommended that the following checks be made on the boiler at least once a year 1 Check the seals for the water connections replacement of any faulty seals 2 Check the gas seals replacement of any faulty gas seals 3 Visual check of the entire unit 4 Visual check of the combustion process or analysis of flue gas see ref 3 6 and cleaning of the burners if needed 5 f called for by check no 3 dismantling and cleaning of the combustion chamber 6 If called for by check no 4 dismantling and cleaning of the injectors 7 Visual check of the primary heat exchanger check for overheating in the blade assembly clean the exhaust fan if needed 8 Adjustment of
30. s After the system has been allowed to cool the system can be reset by pressing the button A 4 Limescale Build up This is an indirect control actuated through the regulation of the temperature in the primary heat exchanger on the formation of limescale in the secondary heat exchanger Regardless of the flow rate and the temperature in the circuit for the domestic hot water the temperature is limited to 62 C 5 Anti frost Device The boiler is equipped with a device that automatically lights the main burner when the temperature in the delivery line to the system drops below 5 C The boiler will continue to operate until the temperature in question reaches about 58 C This device is activated on a properly operating boiler if the system pressure is between the acceptable values the power supply to the unit is on the unit is supplied with gas This feature is enabled also when the boiler is in summer operating mode 6 Safety Shut off At the start of every lighting phase the P C B performs a series of internal controls If a malfunction occurs the boiler will shutdown until the problem has been resolved Draining the heating system The heating system must be emptied as follows Turn off the boiler Open the drain valve for the system and place a container below to catch the water that comes out Empty the system at the lowest points where present If you plan on not using the heating system for
31. safety device gas valve safety device 11 Check that the electrical connections have been made in compliance with the instructions shown in the Installation Instructions 12 Check the efficiency of the hot water supply flow and temperature 13 Check general operation of the appliance 14 Check the exhaust system for the combustion products max min kW max min kW 96 96 96 96 96 Kg h mbar m h m Kg h C 96 ppm mbar bar max min C max min C l min gal min l min max min bar bar bar mbar mbar V Hz IP 25 6 11 0 23 1 9 2 2 02 2 00 137 5 8 20 25 30 37 230 50 150 X4D FAST 2 AT Kg 47 47 47 116 08 47 116 09 29 8 12 0 27 3 10 1 0 37 0 45 2 35 2 32 128 6 6 20 25 30 37 230 50 190 X4D FAST 2 AT 29 8 12 0 27 3 10 1 0 37 0 45 2 35 2 32 128 6 6 145 20 25 30 37 230 50 190 X4D FAST 2 AT 46 5 33 0 12 0 30 3 10 2 0 41 0 47 2 60 2 57 135 7 5 20 25 30 37 230 560 190 X4D FAST 2 AT 47 41 116 01 47 116 13 004 1 3 Overall View
32. se and maintenance of the product For operating instructions please consult the separate User s Manual User s Manual GENUS _ ARISTON Read the instructions and recommendations in these Installation Instructions carefully to ensure proper installation use and maintenance of the appliance Keep this manual in a safe place You may need it for your own reference while our Servicing Centre technicians or your installer may need to consult it in the future This is a combined appliance for the production of central heating C H and domestic hot water D H W This appliance must be used only for the purpose for which it is designed The manufacturer declines all liability for damage caused by improper or negligent use No asbestos or other hazardous materials have been used in the fabrication of this product Before connecting the appliance check that the information shown on the data plate and the table on pages 4 5 comply with the electric water and gas mains of the property You will find the data plate on the reverse of the control panel The gas with which this appliance operates is also shown on the label at the bottom of the boiler Do not install this appliance in a damp environment or close to equipment which spray water or other liquids Do not place objects on the appliance Do not allow children or inexperienced persons to use the appliance without supervisio
33. t indicated by a shutdown status With a differential manometer connected to the test socket on the combustion chamber the DP value for the air pressure switch can be taken The measured value should not be less than 10 mbar under maximum thermal power conditions with the knob C on the flue test setting in order for the unit to function properly and without interruption 23 3 8 3 9 24 Boiler Safety Systems Draining the System The boiler is equipped with the following safety systems see section 3 3 for references 1 Ignition Failure This control signals an ignition failure on the burner 7 seconds after a lighting failure The L E D will turn on to signal the shutdown status The system can be reset by pressing and releasing the button A after checking to make sure that the gas valve is open Repeat this process until the burner lights 2 Circulation Failure This control signals that the safety pressure switch on the primary circuit has not sensed a pressure of at least 1 bar within 40 seconds of the activation of the circulation pump it shuts off the boiler and lights the L E D The system can be reset after the pressure has been brought up to the proper level by using the On Off switch L 3 Overheating This control shuts off the boiler in the case where the primary circuit reaches a temperature in excess of 110 C The L E D G will come on to signal this shut off statu
34. the flow rate of the gas flow rate for lighting partial load and full load 9 Check of the heating safety systems safety device for maximum temperature safety device for maximum pressure 10 Check of the gas safety systems safety device for lack of gas or flame ionisation detection electrode safety device for gas cock 11 Check of the electrical connection make sure it complies with the instructions in the manual 12 Check of domestic hot water production efficiency delivery rate and tem perature 13 Check of the general performance of the unit 14 General check of the discharge ventilation of the combustion by products B004 6 MISCELLANEOUS 6 1 Wiring Diagram for Two Heating Zones BROWN BLUE wa BOILER ELECTRICAL SUPPLY CABLE e GREY des zz e ORANGE Remove internal time clock plug CREENYELLOW TYPICAL from the the P C B then connect VADI3H JUNCTION BOX room stat terminal block on the reverse of the boiler control panel VALVE j SE see section 2 10 to 9 10 E the junction box S 2 lt x _ lt A a 43 T6360B ut ROOM THERMOSTAT T i S HA lt o o a E d lt S5 oa ale o a BROWN sis 6 818 T e BLUE a 8 5
35. wer supply cord connector the fuses the selector knob for continuous operation of the circulation pump The service panel B1 also provides access to the potentiometer for regulating the ignition delay anti cycling feature which can be set from 0 to 2 minutes factory set at 1 minute 22 B004 3 6 3 7 004 Combustion Analysis Fume Discharge Monitoring the potentiometer for regulating the soft light feature the setting for which can range from the minimum thermal power to the maximum G20 5 mbar G25 18 mbar G30 31 19 mbar the potentiometer for the maximum thermal power for the heating system maximum thermal power setting factory set at the maximum value unless indicated otherwise on the adhesive sticker located in proximity to the potentiometer The connection to the diagnosis device TCS TCS2 The boiler is designed to make it easy to analyse the combustion by products Using the especially designed apertures readings can be taken on the temperature of the combustion by products and of the combustion air as well as of the concentrations of Oz and CO etc The best maximum power test conditions for the heating system are when the selector C is turned to the flue analysis setting The discharge ventilation of the exhaust fumes can be monitored to check for losses in general pressure in the system This is done to eliminate the cause of lighting failure with the main burner no
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