Related Manuals for Ariston GENUS 27 RFFI
Summary of Contents for Ariston GENUS 27 RFFI
- Page 1 Installation Instructions Type C Boilers G.C.N: 41-116-01 47-116-20 LEAVE THESE INSTRUCTIONS ADJACENT TO THE GAS METER Country of destination: GB...
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Page 2: Table Of Contents
3.7 Fume Discharge Monitoring 3.8 Boiler Safety Systems 3.9 Draining the System GAS ADJUSTMENTS - Gas Adjustment Table 4.1 Changing the Type of Gas MAINTENANCE MISCELLANEOUS 6.1 Wiring Diagram for Two Heating Zones 6.2 Wiring Diagram for Connection to Ariston Unvented Cylinder B004... -
Page 3: General Information
This manual is an integral and essential part of the product. It should be kept GENERAL with the appliance so that it can be consulted by the user and our authorised INFORMATION personnel. Please carefully read the instructions and notices about the unit contained in this manual, as they provide important information regarding the safe installa- tion, use and maintenance of the product. - Page 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.
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Page 5: Overall View
Overall View GENUS 30 MFFI GENUS 27 RFFI SYSTEM 006A 005A 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. -
Page 6: Installation
INSTALLATION The technical information and instructions provided herein below are intended for the installer so that the unit may be installed correctly 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 Reference Standards as with any and all local health and safety standards i.e. -
Page 7: Overall Dimensions
GENUS 30 MFFI Overall Dimensions (A-B-D-E) 007A GENUS 27 RFFI SYSTEM 002A Legend: A = Central Heating Flow (3/4”) B = Domestic Hot Water Outlet (1/2”) C = Gas Inlet (3/4”) (F - G) D = Domestic Cold Water Inlet (1/2”) (A - D - E) E = Central Heating Return (3/4”) -
Page 8: Mounting The Appliance
Mounting the Appliance 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 con- nection kit and the flue kit. -
Page 9: Water Connections
This boiler is suitable only for sealed systems. tion valve to be used. Drain Cocks: The Genus 27 RFFI System has 2 x 3/4" B.S.P. male threads for the cylinder flow These must be located in accessible positions to permit the draining of the and return. -
Page 10: Flue Connection
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 value when the system is heated. It can accept up to 7 l (1.5 gal) of expansion water. - Page 11 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 ventila- tion openings are specified in Fig. 2.6 TERMINAL POSITION A - Directly below an open window or other opening Fig.
- Page 12 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). Ø...
- Page 13 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 Accessories manual. Fig. 2.11 023A Risk of Diameter Use of Restrictor on Discharge Side Maximum Extension Exhaust 42 mm 45 mm...
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Page 14: Room Thermostat Connection
9 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 thermostat can be used. For details on fitting the D.H.W. probe (Genus 27 RFFI only), please consult the separate instruction sheet supplied with the probe. - Page 15 2.11 Electrical Diagram Legend: AT = High Voltage P.C.B. BT = 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.
- Page 16 GENUS 30 MFFI 024A GENUS 27 RFFI SYSTEM 025A B004...
- Page 17 GENUS 30 MFFI 026A GENUS 27 RFFI SYSTEM 027A B004...
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Page 18: Water Circuit Diagrams
14. Secondary Heat Exchanger 15. Domestic Water Inlet Filter 16. Drain Valve 17. Safety Valve 028A 18. Water Pressure Gauge GENUS 27 RFFI SYSTEM 19. Circulation Pump with Automatic Air Valve 20. Expansion Vessel A. Central Heating Flow B. Domestic Hot Water Outlet C. -
Page 19: Commissioning
COMMISSIONING Initial Preparation MTS (GB) Limited support the initiative. Within the information pack you will find a copy of the logbook. It is important that this is completed in the pres- ence of your customer, they are shown how to us it, and it is signed by them. Please instruct your customer that they must have their logbook with them when- ever they contact a service engineer or us. -
Page 20: Control Panel
E - Temperature Adjustment Knob 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 I - On/Off L.E.D. L - On/Off Switch O - System Pressure Gauge * Warning the flue analysis mode must only be selected by a qualified service engineer. -
Page 21: Initial Start-Up
The checks to be run before initial start-up are as follows: Initial Start-up 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;... -
Page 22: Combustion Analysis
- the potentiometer for regulating the soft-light feature, the setting for which can range from the minimum thermal power to the maximum: 5 mbar 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);... -
Page 23: Boiler Safety Systems
The boiler is equipped with the following safety systems (see section 3.3 for ref- Boiler Safety erences): Systems 1. - Ignition Failure This control signals an ignition failure on the burner 7 seconds after a lighting failure. The L.E.D. “B” will turn on to signal the shutdown status. The system can be reset by pressing and releasing the button “A”... -
Page 24: Gas Adjustments
GAS ADJUSTMENTS CATEGORY II2H3+ Methane Gas Liquid Butane Gas Liquid Propane Gas MJ/m 3 h Lower Wobbe Index (15°C;1013mbar) 45.67 80.58 70.69 Nominal Delivery Pressure mbar Minimum Delivery Pressure mbar 27 RFFI System Main Burner: n. 15 jets (ø) 1.25 0.72 0.72 Consumption (15°C;... -
Page 25: 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.). MAINTENANCE 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;... -
Page 26: Miscellaneous
MISCELLANEOUS Wiring Diagram for Two Heating Zones BROWN BOILER ELECTRICAL SUPPLY CABLE BLUE BROWN GREY BOILER ELECTRICAL SUPPLY CABLE BLUE ORANGE Remove internal time clock plug GREY from the the P.C.B. then connect GREEN/YELLOW TYPICAL ORANGE Remove internal time clock plug room stat terminal block on the V4043H JUNCTION BOX... -
Page 27: Wiring Diagram For Connection To Ariston Unvented Cylinder
Wiring Diagram for Connection to Ariston Unvented Cylinder BOILER ELECTRICAL SUPPLY CABLE Remove internal time clock plug T6360B from the the P.C.B. then connect TYPICAL ROOM room stat terminal block on the THERMOSTAT JUNCTION BOX reverse of the boiler control panel BROWN (see section 2.10) to 9 + 10 on... - Page 28 TECHNICAL INFORMATION 27 RFFI SYSTEM 30 MFFI CE Certification Heat Input max/min kW 29.8/12.0 33.0/12.0 Heat Output max/min kW 27.3/10.1 30.3/10.2 Efficiency of Nominal Heat Input 91.6 92.0 Efficiency at 30% of Nominal Heat Input 88.3 88.6 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)
- Page 29 User’s Manual...
- Page 31 TABLE OF CONTENTS 1) GENERAL INFORMATION page 5 2) OPERATING INSTRUCTIONS page 8 3) TIME CLOCK page 11 4) USEFUL INFORMATION AND TROUBLESHOOTING page 13 IMPORTANT Please read this manual carefully. For additional information, please consult the “Installation and Servicing Instructions.” Please ensure manuals provided are kept with the appliance so that they can be used by the end-user, installer or our authorised engineer.
- Page 32 Dear Customer, The guarantee on this appliance is valid for 12 Thank you for choosing an ARISTON boiler. months from the first day of installation. We guarantee that your boiler is a reliable and technically sound product. Repairs to the electric, hydraulic or gas circuits This User’s...
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Page 33: Technical Information
TECHNICAL INFORMATION Genus 30 Genus 23 Genus 27 GENERAL DATA Heating input max kW(Btu/h) 25.6 (87364) 29.8 (101707) 33.0 (112629) Heating input min kW(Btu/h) 11.0 (37539) 12.0 (40956) 12.0 (40956) Heating output max kW(Btu/h) 23.1 (78491) 27.1 (92492) 30.3 (103414) Heating output min kW(Btu/h) 9.2 (31396) - Page 34 Genus 23 MI Genus 27 RFFI SYSTEM LEGEND Genus 23/27/30 MFFI A) Ignition Lockout Reset Button/Safety (Overheat)Thermostat Reset B) Ignition Lockout L.E.D. C) Selector Knob for Summer/Winter/Flue Analysis Modes D) Low System Water Level L.E.D. E) Temperature Adjustment Knob for Domestic Hot Water F) Heating System Thermometer G) Safety (Overheat)Thermostat Intervention L.E.D.
- Page 35 Installation, start-up, adjustments and maintenance must be cloth. Do not use abrasive cleaners. The Control panel can be wiped with performed by a competent person only in accordance with the Gas either a damp or dry cloth. Spray polishes must not be used on the control Safety (Installation &...
- Page 36 START-UP PROCEDURE WINTER AND SUMMER OPERATING MODES LIGHTING (FOR ALL MODELS) The boiler is fitted with a selector knob “C” which (FOR ALL MODELS ) allows you to switch between winter < > and Before starting the unit, check the following: summer <...
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Page 37: Turning Off The Boiler
TURNING ON THE BOILER Installation with a room thermostat: - Turn the “C” selector knob to < >; - Turn on the power supply to the boiler by pressing the Installation without a room thermostat : On/Off switch ”L”; the green L.E.D. will then turn on; - Turn on the power supply to the boiler by pressing the - Turn the thermostat knob “H”... -
Page 38: Production Of Hot Water
ADJUSTING THE HEATING TEMPERATURE PRODUCTION OF HOT WATER FOR DOMESTIC USE To economise on consumption while achieving the highest level of comfort, the temperature adjustment knob is designed with three different heating zones based on the temperature outside the home. (FOR ALL MODELS) Rotate the knob “H”... -
Page 39: Shutdown Procedure
SHUTDOWN PROCEDURE After approximately two seconds the following display appears: (FOR ALL MODELS) Weekdays blinks To turn off the main burner, simply press the On/Off switch “L”; the green L.E.D. “I” will also turn off. As a precautionary measure, it is recommended that the gas cock located on the bottom of the boiler be turned off as well. - Page 40 The colon now blinks once a second. operates at the same time every day. 1 2 3 4 5 6 7 Monday ..Sunday AM/PM TIME DISPLAY If you press the “+/-h” and “h” keys at the same time, the time display 1 2 3 4 5 6 Monday ..
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Page 41: Additional Functions
ADDITIONAL FUNCTIONS READING THE PROGRAMMED SWITCHING TIMES Pressing the “Prog” key displays the programmed switching times until the first free memory location appears in the display “-- : --”. Switching from summer time to winter and vice versa. Press the “+/-1h” key once. MANUAL OVERRIDE KEY With the “... - Page 42 TECHNICAL DATA Notes on storing switching times: If you end your entry of the switching times by pressing the “Prog” key, the Ambient temperature: - 10°C to + 55°C switching time you have entered will be stored and the next memory Running reserve: 5 h (not for 1,5 V DC) location displayed.
- Page 43 USEFUL INFORMATION AND SHUTDOWN DUE TO OVERHEATING TROUBLESHOOTING This anomaly is signalled by the red “G” L.E.D. The boiler shuts off because the safety thermostat BOILER SHUTDOWN detected that the boiler temperature has reached The boiler unit is equipped with safety devices which intervene in certain the temperature limit.
- Page 44 SHUTDOWN DUE TO INSUFFICIENT FLUE TEST FEATURE WATER CIRCULATION (only for authorised personnel) The “C” Summer/Winter/Flue Test selector knob can be This anomaly is indicated by the red “D” L.E.D. set to < > to bypass temperature adjustment on the One of the possible causes of this shutdown situation heating circuit for the purpose of analysing the fumes could be the lack of water in the boiler or water...
- Page 45 MONITORING DEVICE FOR FUME DISCHARGE (For Genus 23 MI) These units are equipped with a device that monitors the discharge of the fumes produced by combustion and automatically shuts off the supply of gas to the main burner for approximately 12 minutes if it detects that the fumes have been discharged into the room where the unit is installed.
- Page 46 NOTES NOTES B003...
- Page 48 Manufacturer: Merloni TermoSanitari SpA - Italy Commercial subsidiary: MTS (GB) LIMITED MTS Building Hughenden Avenue, High Wycombe Bucks HP13 5FT Telephone: (01494) 755600 - Fax: (01494) 459775 Technical Service Hotline: (01494) 539579 b b i i e e f f f f e e Cod.