Ariston microSYSTEM 15 RFFI Technical Information

InstallationInstructionsType C BoilersG.C.N: 41-116-05LEAVE THESE INSTRUCTIONSWITH THE END-USERCountry of destination: GB

L = Sum of the total length of exhaust + air intake piping.10ExhaustTypeC12 (xx)C32 (xx)C42 (xx)Restrictorø 41 mmL min = 0.5 mL max = 1 mMaximumExten

2.11 ELECTRICAL DIAGRAM11FIG. 2.12Legend: A - On/Off SwitchB - On/Off L.E.D.C - Heating SwitchD - Heating L.E.D.E - Reset ButtonF - Ignition Failure

121234567891011121314151617LEGEND:1. Fan2. Main heat exchanger3. Overheat thermostat 4. Burner 5. Ignition electrodes6. Detection electrode7. Regulati

133. D.H.W. STORAGECYLINDERThe microSYSTEM can be connected to a storage cylinder (both open-vented andunvented) for the production of domestic hot wa

14Technical Data Capacity Coil C.H.W. D.H.W. Max Heating Heat IossSurface Flow/rate Flow/rate OutputMODEL It. m2m3/h It/h kW kWh/24hContract STI 125 I

15MTS (GB) Limited support the initiative. Within the information pack you willfind a copy of the logbook. It is important th

B45In order to access the inside of the boiler, it is necessary tounscrew the fastening screws “A” of the control panel located onthe lower part of th

17The flue connector has two apertures, readings can be taken forthe temperature of the combustion by-products and of thecombustion air, as well as of

The boiler is fitted with the following devices (see section 4.2 for references).1 - IGNITION FAILURE:This indicates ignition failure when a flame is

It is recommended that the following inspections be carried out on the boiler atleast once a year:1 - Check the seals for the water connections; repla

This manual is an integral and essential part of the product. It should be kept with theappliance so that it can be consulted by the user and our auth

Manufacturer: Merloni TermoSanitari SpA - ItalyCommercial subsidiary: MTS (GB) LIMITEDMTS BuildingHughenden AvenueHigh WycombeBucks HP13 5FTTelephone:

ServicingInstructionsType C BoilersG.C.N: 41-116-05LEAVE THESE INSTRUCTIONSWITH THE END-USERCountry of destination: GB

21. SERVICING INSTRUCTIONS1.1 REPLACEMENT OF PARTS1.2 TO GAIN GENERAL ACCESS- Removing the front panel- Removing the sealed chamber front cover- Remov

2. The control panel moves downward and when pulled forward,rotates on two lateral hinges; the panel stays in a semi-horizontal position, which allows

41.2.2 Removing the sealed chamber front cover1. Remove the screws “C” (FIG. 1.6);2. Lift the sealed chamber front cover from the locating pins(FIG. 1

1.3.3 Removing the electrodesBefore carrying out this procedure, unscrew and slide theburner forward (see previous section).1. Remove rubber gasket “G

63. Remove screw “H” (FIG. 1.14);4. Gently slide the electrode downward (FIG. 1.15).To replace, repeat the steps in reverse order, payingparticular at

1. Disconnect electrical connections “N” and silicon pipe “O”(FIG.1.22);2. Remove screw “P” and remove the fan collar clamp “Q”(FIG.1.23);3. Remove sc

81.4 SERVICING AND REMOVALOF THE GAS VALVE1.4.1 Setting the gas pressures123ABCFDSetting the maximum power of the boiler1. Check that the supply press

915 RFFI1.63 208.53.33.3--------------1.21 Kg/h------ Kg/h22.1 mbar---- mbar28 mbar1.19 Kg/h------ Kg/h28.8 mbar---- mbar37 mbar8 x 1.30 8 x 0.778 x

31.1 GENERAL INSTRUCTIONSRead the instructions and recommendations in these Installation Instructionscarefully to ensure proper installation, use and

10FIG. 1.28FIG. 1.29UVV1.4.3 Removing the gas valveImportant! Before removing the gas valve, ensure the gassupply is turned off.1. Disconnect all the

111. 5. 2 Removing the safety valve1. Loosen nut “Y” (FIG. 1.33);2. Disconnect the discharge pipe work from below theboiler;3. Unscrew and remove the

121.5.4 Removing the pump1. Remove the U-clips “ A1” and “B1” (FIG. 1.36);2. Remove the retaining clip “C1” (FIG. 1.37);3. Release the nut “D1” (FIG.

131.5.6 Removing the expansion vessel1. Release nuts “H1” and remove the gas pipe (FIG. 1.44);2. Release nut “I1” (FIG. 1.45);3. Remove lock-nut “J1”

141.5.6 Removing the overheat thermostat1. Disconnect the overheat thermostat electricalconnections “K1” (FIG. 1.48);2. Then remove the thermostat fro

151.6.2 Removing the P.C.B.s1. Isolate electricity;2. Remove the screws “O1” (FIG. 1.56);3. Separate the facia panel from the rear of the controlpanel

16B0632. FAULT FINDINGPRELIMINARY CHECKSMAKE SURE THAT:ISTHE SUPPLYL.E.D. ILLUMINATED?ISTHE L.E.D.ILLUMINATED?NONONOYESNO1 - CHECK THE FUSES2 - CHECK

17B063IS THE PUMPRUNNING?NOYESPOWER TOTHE PUMP?1 - CHECK THE OPERATIONOF THE PUMP2 - RELEASE/REPLACE THEPUMP1 - CHECK THE PUMP CABLE2-CHECK/REPLACE P.

18B063IS THE BURNERALIGHT?YESNOYESYESBOILERWORKING?YESNONONONOYES5-CHECK/REPLACE P.C.B. (CBM2)4-CHECK/REPLACE P.C.B. (CBM2)4 - CHECK/REPLACEP.C.B. (CB

19B0633. ELECTRICALDIAGRAMSSE011ALEGEND:A - On/Off SwitchB - On/Off L.E.D.C - Heating SwitchD - Heating L.E.D.E - Reset ButtonF - Ignition Failure (Lo

4The technical information and instructions provided herein below are intended for theinstaller so that the unit may be installed correctly and safely

20B063SF008A

21B063MODELS CHARACTERISTICS SERIAL NO:VALIDITYREF.MICROSYSTEM 10 RFFI METHANE 2320021100001 AMICROSYSTEM 10 RFFI LPG 2320021100001 BMICROSYSTEM 15 RF

22B063998616573521573520570760998612573528998447569390998627999542574279999474998809999476998424998836999578999499999245998517998484997182999538998624

23B063NOTES

23 99 84 1570 000 - Manufacturer: Merloni TermoSanitari SpA - ItalyCommercial subsidiary: MTS (GB) LIMITEDMTS BuildingHughenden AvenueHigh WycombeBuck

UsersManual

2Dear Customer,Thank you for choosing an ARISTON boiler.We guarantee that your boiler is a reliableand technically sound product.This User's Manu

TABLE OF CONTENTS1. GENERAL INFORMATION page 4Technical Information page 5Control Panel page 62. OPERATING INSTRUCTIONS page 73. USEFUL INFORM

41. GENERAL INFORMATIONMTS (GB) Limited support theinitiative. Your installer will give you, andshow you how to use, a logbook which willgive you impo

TECHNICAL INFORMATION5GENERAL DATAHeating input max-minHeating output max-minEfficiency at Maximum Thermal Capacity (see Installation Instructions)CEN

For safety purposes, have a competent person carefully check the electrical systemin the property, as the manufacturer will not be held liable for dam

6CONTROL PANEL10 RFFI / 15 RFFI21 RFFI /28 RFFIFR011A

2. OPERATING INSTRUCTIONSCAUTIONInstallation, start-up, adjustments andmaintenance must be performed by acompetent person only, in accordancewith the

8HELPFUL SUGGESTIONSTo get the most out of your boiler, we haveprovided you with some useful advice onproper use and maintenance:- Periodically check

Ignition procedure Push the button “A” the green L.E.D. “B”will illuminate indicating that the boiler issupplied with electricity.Push the button “C”

10EFThe centralised electronic control unit willignite the burner, without any manualintervention but in response to the requestfor heating. If, after

Turning off central heatingTo turn off the central heating, push the “C”button and the green L.E.D. ”D” will go off.The boiler will remain electricall

12Turning off the boilerTo turn the boiler off, push the button “A”the respective green L.E.D. “B” will go off.Close the gas cock located under the bo

to allow the exchanger to cool down, thenpress and release the reset button “E”.If this situation occurs frequently, contact anAuthorised Service Cent

14the correct level the boiler will igniteautomatically. If there are frequent drops inpressure within the system, have a plumbercheck the heating sys

the other, one of our Authorised ServiceCentres should be contacted.6. TIME CLOCKA time clock for central heating is availableas an accessory kit and

6The boiler operates with alternating current, as indicated in thetechnical information table in section 7, where the maximumabsorbed power is also in

Cod. 23 99 84 1548 112Manufacturer: Merloni TermoSanitari SpA - ItalyCommercial subsidiary: MTS (GB) LIMITEDMTS BuildingHughenden AvenueHigh WycombeBu

7CENTRAL HEATINGDetailed recommendations are given in BS 6798:1987 and BS 5449-1:1990, thefollowing notes are given for general guidance.PIPE WORK:Cop

8Ø 60/100 mmFIG. 2.6ABCDEFGJKHILGFThe boiler is designed to be connected to a coaxial flue discharge system.2.9 FLUE CONNECTIONSFLUE SYSTEMThe provisi

Ø 80 mmIn addition, it is also possible to use a split (twin pipe) system byfitting a special adaptor to the flue connector and using theaperture for