MICROGENUSWALL-HUNG ELECTRONIC IGNITION GAS COMBINATION BOILER
COMPACT DESIGN - OUTSTANDING PERFORMANCE
MICROGENUS – DEVELOPED FROM 50 YEARS OF ARISTON QUALITYThe microGENUS comes closer to satisfying yourneeds and is the result of Ariston’s extensiveexperience within the domestic appliance sectorwhere it has been a leading brand for over 50years, this demonstrates our ability to anticipateconsumer demands.The manufacturing process that guarantees thequality of Ariston boilers has ISO 9001certification. Produced on recently builtmanufacturing lines where each process isconstantly tested, checked and subjected to strictQuality Control to guarantee the long-life and theabsolute reliability of each boiler.For any further needs that may arise afterinstallation, Ariston places the best in technicalsupport and customer service at your disposal,offering swift and highly qualified assistance.
CONTROL PANEL - FUNCTIONALITYWITH EASE OF USEThe microGENUS control panel has all thecontrols that you need and has been designed foreasy and instinctive operation. It features anEconomy/Comfort switch that allows you toimmediately select instant hot water.The panel also features temperature adjustmentknobs and lights that indicate the boiler’soperating status.
The microGENUScombines the mostadvanced centralheating and domestichot water productiontechnologies into anextremely competitiveproduct, with minimiseddimensions, that canbe located almostanywhere. This quiet,reliable and durableboiler is covered by a 2year guarantee that canbe extended to 5 years.
ARISTON MICROGENUS - SMALL IN SIZE,AMPLE IN COMFORT
with optional5 year extendable
guarantee
MICROGENUS - SMALL, LIGHTAND EASY TO INSTALL
In its continuous attention to installerrequirements, Ariston has instilled thebest technical and design solutionsinto the microGENUS, to make itsinstallation easier and possible inextremely tight spaces.The microGENUS is in fact only 30 cmdeep and weighs just 35 kg, allowingeasy handling by a single person. Theflue system is designed to simplifythe problems related to installationsaving time while improving efficiency.Servicing and Maintenance are madesimple and rapid thanks to easyaccess to all components, outlets forthe analysis of combustion productsand the revolutionary new PCB withmicro processor system that allowsall of the boiler functions to betested.The front panel can be easilydismantled by removing a singlescrew!
5 year guarantee on D.H.W. plate
heat exchanger
THE CHARACTERISTICS OF A BOILER WITH LARGERDIMENSIONS WITHOUT ANYCOMPROMISESWith the microGENUS, Ariston hasincreased the level of quality andperformance that is normallyachieved by boilers of much largerdimensions. It is a product that isdecidedly different from othersoffered on the market that need tosacrifice quality or performance toreduce dimensions.The microGENUS is equipped with ananti-frost device, an hour-by-hourprogrammable time clock, an anti-scale system and a comprehensiverange of accessories.
MICROGENUS 27 MFFI
MICROGENUS 23 MFFI Ø 3/4” BSP
Ø 3/4” BSP
Ø 1/2” BSP
Ø 1/2” BSP
Ø 3/4” BSP
Ø 3/4” BSP
Ø 1/2” BSP
Ø 1/2” BSP
Ø 3/4” BSP
Ø 3/4” BSP
Ø mm G1 60/100 - G2 80
Ø mm G1 60/100 - G2 80
ACentral heating flow
BDomestic hot water outlet
DDomestic hot water inlet
ECentral heating return
FFlue (Ø mm)
CGas inlet
• Compact dimensions(300x400x700 mm)
• Aesthetically pleasing design
• Available in 80,000 or 95,000 Btu/h
• Fully modulating in C.H./D.H.W. with an accuracy to ± 1°C
• High performance: High efficiency
• Government Standard AssessmentProcedure (SAP) efficiencyrating up to 80.3%
• Comfort switch (pre-heat function)
• D.H.W. flow rate of up to 11.2 l/min (2.6 gal/min) (95, 000 Btu/h version)
• Anti-frost and anti-scale device
• Built-in automatic by-pass
• Built-in mechanical time clock
• Coaxial flue system up to 4 m,twin pipe flue system up to 27 m
• Split exhaust and intake pipes for built-in combustion analysis
• Direct access to air pressure switch and relative signal
• D.H.W. stainless steel plate heat exchanger guaranteed for 5 years
• 2 year manufacturer's guarantee
• Guarantee extendable up to 5 years
CLEARANCE DIMENSIONS – PIPE FITTINGS – EXHAUST OUTLETS
WALL-HUNG GAS COMBINATION BOILERROOM-SEALED COMBUSTION CHAMBER
MICROGENUS 23 MFFI27 MFFI
Twin pipe exhaust Coaxial exhaust
Fully modulating Electronic ignition
D.H.W. plate heatexchanger
Automatic by-pass
C.H. Tempadjustment
D.H.W. Tempadjustment
P.C.B.adjustment
IPX4D Anti-frost device
Anti-scaledevice
12
3
40bar
Insufficient systempressure shutdown
High efficiency
SCHEMATIC
TECHNICAL INFORMATION
bar
A B D EC
G1
ROOM-SEALED FAN FLUE23 MFFI - 27 MFFI
4
1
23
5
Graph of boiler residual head
flow rate l/h100 200 300 400 500 600 700 800 900 1000 1100 1200 1300
100
200
300
400
500
MICROGENUS23 MFFI
MICROGENUS27 MFFI
FLUE EXHAUST CONNECTION SYSTEM (room-sealed fan flue version)1. Simplified coaxial system coupling.2. Air pressure switch can be accessed directly from the exterior.3. Check the pressure switch is functioning directly from the exterior.4. Separation of the intake.5. External combustion analysis points integrated into the boiler.
Category II 2H3+ II 2H3+Type C* C*
POWERHeat input max. kW - Btu/h 25.6 - 88,000 29.8 - 101,700Heat input min. kW - Btu/h 11.0 - 37,500 12.0 - 41,000Heat output max. kW - Btu/h 23.8 - 81,300 27.8 - 95,000Heat output min. kW - Btu/h 9.7 - 32,000 10.5 - 36,000
EFFICIENCYSEDBUK Rating Band D D
CHARACTERISTICSHeat loss to the casing (∆T= 50°C) % 1.0 0.2Heat loss through the flue when burner on % 6.1 6.3Heat loss through the flue when burner off % 0.4 0.4Maximum exhaust discharge (Natural Gas) kg/h 49.5 60Residual discharge head mbar 0.96 1.60Consumption at nominal capacity G20(1) m3/h 2.72 3.15Gas consumption after 10 minutes* m3 0.32 0.37(15°C, 1013 mbar) G30-G31(1) kg/h 2.02/2.00 2.34/2.31Exhaust gas temperature at nominal capacity °C 123 123.8CO2 content % 7.2 6.9O2 content % 7.5 8.1CO2 content (0% O2) ppm 51.9 48Minimum ambient temperature °C +5 +5Pressure loss through boiler (max) (∆T=20°C) mbar 200 200Residual head of system bar 0.25 0.25Central heating temperature max/min C° 82/42 82/42Domestic hot water temperature max/min C° 56/36 56/36D.H.W. flow rate ∆T=35°C l/min 9.7 11.4D.H.W. flow rate ∆T=35°C gal/min 2.2 2.6D.H.W. minimum flow rate l/min 2.6 2.6Domestic hot water pressure max/min bar 8/0.2 8/0.2Built-in expansion vessel capacity l 6 6Built-in expansion vessel pre-charged pressure bar 1 1Maximum water content of system l 130 130Maximum heating pressure bar 3 3Gas inlet pressure - Natural Gas (G20) mbar 20 20Gas inlet pressure - LPG (G30-G31) mbar 30-37 30-37Weight Kg 34 35G.C. number 47-116-14 47-116-15
ELECTRICAL DATAElectrical supply V/Hz 230/50 230/50Power consumption W 140 155Protection grade of electrical system IP X4D X4DInternal fuse rating FAST 2 AT FAST 2 AT
C*: C12, C32, C42, C52, C82; (1):15°C, 1013 mbar*: Calculated at 70% maximum output
Flue connector
Air intake
Fan
Combustionchamber
hood
Main heatexchanger
Safetythermostat
Combustionchamber
Burner
Detection electrode
Ignition electrodes
Motorised diverter valve
Main circuit temperature probe
Domestic hot watertemperature
probe
Gas valve Spark generator
Water entry filter
Secondary heatexchanger
Main circuit flowswitch
Combustionanalysis intake
Air pressureswitch
Exhaust pressureintakes (venturi)
Expansion vessel
3 bar safety valve
Circulation pumpwith automatic airrelease valve
FLUE PIPE ACCESSORIES - FOR ANY INSTALLATION, THE RIGHT PARTS FOR MAKING YOUR JOB EASIER
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Ariston boilers offer the best choice because theyare all designed to be completely adaptable tothe many different situations that may beencountered on a daily basis. The need for alteration is almost completelyeliminated, allowing you to install the boiler in ashort time and with the utmost ease. This will also contribute towards the success ofyour business: an objective that has alwaysdistinguished the relationship between Aristonand its customers/partners.
A
BC
F
JD
HI
F
G
E
K
G
L
TERMINAL POSITION mmA Directly below an openable window or other opening 300B Below gutters, solid pipes or drain pipes 75C Below eaves 200D Below balconies or car-port roof 200E From vertical drain pipes and soil pipes 75F From internal or external corners 300G Above ground or below balcony level 300H From a surface facing a terminal 600I From a terminal facing a terminal 1200J From an opening in the car port
(e.g. door, window) into dwelling 1200K Vertically from a terminal in the same wall 1500L Horizontally from a terminal in the same wall 300
INSTALLATION CONDITIONS
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TYPE 1 Coaxial System
TYPE 5 Coaxial System TYPE 6 Twin pipe system TYPE 7 Twin pipe system
TYPE 2 Coaxial System TYPE 3 Coaxial System TYPE 4 Coaxial System
TYPE 8 Twin pipe system
Vertical exhaust / suction system withcoaxial piping on a flat roof.
Vertical exhaust / suction system withcoaxial piping on a pitched roof.
Horizontal exhaust / suction system withcoaxial piping.
Exhaust / suction system with 45°elbows, connected to an air / fume flueduct system.
Exhaust / suction system with a 90°elbow, connected to an air / fume flue system.
Coaxial system: up to 4 m
Twin pipe system up to 27 m
Exhaust / suction system with two separate pipes - exhaust on a pitchedroof, suction through a wall.
Exhaust / suction system with twoseparate pipes - exhaust and suction ona pitched roof via a coaxial adaptor.
Exhaust / suction system with two separate pipes - exhaust via flue duct,suction through a wall.
ACCESSORIES AND SPARE PARTSENGINEERED FORPERFECT INSTALLATION
REAR-PIPING CHASSISAllows easy installation where thesystem pipes are required to run upthe rear of the boiler. The rear-piping chassis consists of abracket on which the boiler is hung,this has two flanks that extend theside panel of the boiler chassis.Assemble by just bringing forwardthe valve kit and connecting thepipes. The rear-piping chassis kit includesthe pipe work elements forconnection to the system.
MICROGENUS JIG-KITSupplied within the boiler as standardThe jig-kit makes installation easierbecause it allows you to fill the systemeven without the boiler fitted. It isequipped with 4 isolation valves: 2 forthe heating circuit, 2 for the domesticwater system. The system return isolation valve canbe connected to the system cleanerusing the plug provided. The bracketthat holds the valves can bepositioned in two ways depending onwhether installation is with or withoutthe rear-piping chassis, and allowssmall adjustments for irregular walls.
The kit is supplied with:• double non-return valves on the
filling loop for filling the system;• cold domestic water inlet with three
settings: summer, winter, and off;• “end-feed” connections on copper
tail pipes to ease soldering to thesystem piping.
SYSTEM CLEANERA practical accessory for cleaningthe heating system. It is simple to use: connect thesystem cleaner to the system returnisolation valve, open the systemreturn isolation valve, switch on theboiler, allow the pump to run for thenecessary time then remove thesystem cleaner from the kit.The filter provided is made up of aremovable cartridge which absorbsany impurities in the system. This allows the flushing of a newheating system without theimpurities damaging the boilercomponents. The system cleaner can also beused to add chemical additives suchas inhibitors.
ANTI-THEFT DEVICEProtects the boiler from theft andcan be assembled in two ways: withor without the rear-piping chassis.The simple assembly instructionsare included in the jig-kit and on theanti-theft device itself.
JIG-KIT COVERTo conceal the pipe-work or jig-kitbelow the boiler a specially designedcover is available. The cover is simplyand easily mounted to the bottom ofthe boiler.
DIGITAL TIME CLOCK7 day timer.
PRINTED CIRCUIT BOARDRegulates the sophisticatedmanagement and control functions: • flame control• water control• overheating switch-off device• anti-frost safety device• anti-scale device• maximum heating power
adjustment• “soft-light” gas pressure
adjustment• combustion analysis device
ARISTONQUALITY PRODUCTSEXCEPTIONAL SERVICE
• Belfast• Bristol• Edinburgh• High Wycombe• Manchester• Portsmouth• Rochester• Rotherham
COMPREHENSIVETRAINING
The numerous AristonTraining Centres allow you tolearn and expand your knowledge of the field.Courses cover areas such as customer relations, productselection, installation, system start-up, checks,maintenance, guarantees,and legislative standards.
TECHNICAL HOT LINE
Immediate and effectivetechnical assistance is onlya phone call away.Assistance is also availablefor any information or adviceon the product most suitablefor your needs and therequirements of your systeminstallation.
PROFESSIONALSERVICE
Ariston service technicians areswift and prepared for anyeventuality. They offer you andyour customers a high level ofassistance, comprising thebest technical, logistic andhuman resources available.Ariston invests a great deal inthis field to guarantee adecisive advantage that others cannot offer.
MTS (GB) LimitedMTS BuildingHughenden AvenueHigh WycombeBucks, HP13 5FTTel: 01494 755600Fax: 01494 459775
Technical Service Hot Line 01494 539579Technical Service Fax Line 01494 463066
E-mail: [email protected]
E-mail: [email protected]
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