Ariston RHE 9 Información técnica

Country of destination: GBInstallation andServicing InstructionsType C BoilersG.C.N: 47-116-2341-116-08 LEAVE THESE INSTRUCTIONSWITH THE END-USERSERIE

10In FIG. 2.7 below, several different types of flue systems are shown.For additional information regarding the flue accessories, please consult the F

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

112.10. ACCESSORYCONNECTIONIMPORTANT!!Before carrying out any repairs to the appliance always ensure that theexternal power supply has been isolated.T

122.11. ELECTRICAL DIAGRAMThe P.C.B. is fitted with 2 fuses, on the live and the neutral.The fuse holder contains:- 5 x 20mm “3.15A Slow” glass fuses7

13This is the factory configuration. It is recommended that this set-up not be changed,unless under the following particular circumstances:JUMPER 3: i

14C1 = FAN1: “Hall” sensor power supply 12V (red)2: “Hall” sensor neutral (blue)3: Not used4: Start of coil (black)5: “Hall” sensor input (white)6: En

152.12. WATER CIRCUIT DIAGRAMSABCDE145678911101213141516171819212324222320LEGEND:1- Heating flow temperature probe2- Air release valve3- Pump pressure

16ABDCE134567891110171819212324222162012131415Legend:1- Heating flow temperature probe2- Air release valve3- Ignition/detection electrode4- Injector5-

173. COMMISSIONING3.1. INITIAL PREPARATIONPreliminary electrical system checks to ensure electrical safety must be carried out by acompetent person i.

183.3. CONTROL PANELProg.hmDayABC D EFGHIJK27 MFFI27 RFFIA. Selector Knob for ON/OFF-Summer-WinterB. Domestic Hot Water Temperature Adjustment KnobC.

193.4. INITIAL START-UP1. Make sure that:- the cap of the automatic air release valve is loosened;- the system pressure is at least 1 bar on the press

2TABLE OF CONTENTS1. GENERAL INFORMATION1.1. GENERAL INFORMATION1.2. OVERALLVIEW2. INSTALLATION2.1. REFERENCESTANDARDS2.2. SITING THE APPLIANCE2.3. OV

left-hand displayArrdnnFStt/sright-hand displayda01 a 240001da12 a 28da00 a 12da01 a 09da81 a 89__ --0001FunctionPump overrunSelects low temperatures

PUMP OVERRUNThe pump overrun may be varied (after the burner has been turned off). To access thisfunction, it is necessary to press the reset button f

F+HG-22F+HG-Adapting the heat curve “d” set”(Only enabled when an outdoor sensor is installed)To adapt the heat curve to the system requirements, set

23The boiler is designed to monitor some operating variables and settings by means of thedisplay on the front control panel. Keeping the reset key pre

AIR/GAS RATIO SETTINGCalibration values check methane G20 % vol 10 ±0.2CO2 at minimum power butane G30 % vol 11.5 ±0.2after 4 minutes of operation

25 0 510152025 010 20 30 40 50 60 70 9080 100kW%CDEThe soft light can be adjusted between the maximum power (shown on the display as"00",

26G202.033%2.033%2.833%Diameter of 6 nozzle holes (mm)Display of recommended soft light powerGAS METANOG31G30GAS LIQUIDO- Place the boiler in operatio

27DISPLAYAA0011AA0022AA0033AA0077AA1199AA2200AA2211AA2222AA3333AA9999CAUSEToo many attempts to ignite on starting upAfter three attempts at ignition,

28pump turns on (heating system circulation). If the temperature goes below 2°C, theboiler turns on at the minimum power and remains on until the retu

29The boiler is capable of managing a heating system that uses zone valves. The electricalconnection of these valves is carried out by means of the ap

3This 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 aut

305. MAINTENANCE5.1. GENERAL REMARKSIt is recommended that the following inspections be carried out on the boiler at least once ayear:1. Check the sea

31FIG. 6.1FIG. 6.26. SERVICING INSTRUCTIONSThe life of individual components vary and they will need servicing orreplacing as and when faults develop.

326.2.1. REMOVING THE SIDE PANELS1. Remove the screws “C” (FIG. 6.4);2. Pull each panel away from the boiler, then lift thepanel up and away from the

336.3.1. REMOVING THE FAN1. Disconnect the electrical connector “E” (FIG. 6.7);2. Disconnect the compensation tube “F” (FIG. 6.8);2. Unscrew the three

346.3.2. REMOVING THE BURNERWith the fan removed (see previous section);1. Loosen nut “I” (FIG. 6.12);2. Remove nuts “J” (FIG. 6.13);3. Remove mixing

35FIG. 6.18Removing the combustion chamber inspection panel1. Remove the four nuts “M” (FIG. 6.19);2. Remove the inspection panel (FIG. 6.20).6.3.5. R

36FIG. 6.24OFIG. 6.25FIG. 6.26OP PFIG. 6.27FIG. 6.28PQ

376.3.7. REMOVING THE CONDENSATE TRAP1. Open the clamp and remove the condensate trapconnection pipe (FIG. 6.29+6.32);2. Unscrew and remove the trap

386.3.8. REMOVING THE INJECTOR1. Remove mixing pipe (FIG. 6.12+6.13);2. Remove the fan, unscrew the screws “T” (FIG.6.36+6.37);3. Unscrew the injector

396.4 ACCESS TO THE GAS VALVEFIG. 6.40WV6.4.1. REMOVING THEGAS VALVE1. Disconnect the electrical connection “V” from the gasvalve (FIG. 6.40);2. Relea

4LEGEND:1. Flue connector2. Air release valve3. Pump pressure switch4. Central Heating flow temperature probe5. Mixer6. Ignition and detection electro

406.5.2. REMOVING THE SAFETY VALVE(ECOCOMBI 27 MFFI)1. Remove the U-clip “Z” (Fig. 6.47);2. Unscrew and remove the valve (Fig. 6.48).6.5 ACCESS TO THE

416.5.2. REMOVING THE SAFETY VALVE(ECOSYSTEM 27 RFFI)1. Loosen union “A1” (Fig. 6.49);2. Unscrew and remove the valve (Fig. 6.50).FIG. 6.50FIG. 6.49A1

426.5.4. REMOVING THE PUMP PRESSURE SWITCH(ECOCOMBI 27 MFFI)1. Remove the electrical connections “A4” (FIG. 6.56);2. Unscrew and remove (FIG. 6.57).FI

43A7FIG. 6.606.5.5. REMOVING THE DIVERTER VALVE ACTUATOR1. Unplug the electrical connector “A6” (FIG. 6.60);2. Release the retaining clip “A7” and rem

44B1B26.5.6. REMOVING THE D.H.W. FLOW SWITCH1. Unplug the electrical connector “B1” (FIG. 6.65);2. Unscrew the four screws “B2” (FIG. 6.66);3. Remove

456.5.7. REMOVING THE PUMP (ECOCOMBI 27 MFFI)1. Unplug the electrical connection “B3” (FIG. 6.68);2. Unscew the four scews “B4” (FIG. 6.69);3. Remove

46FIG. 6.75FIG. 6.76FIG. 6.77FIG. 6.72FIG. 6.73FIG. 6.74B5B6B7B8B96.5.7. REMOVING THE PUMP (ECOSYSTEM 27 RFFI)1. Unplug the electrical connection “B5”

476.5.8. REMOVING THE PRESSURE GAUGE(ECOCOMBI 27 MFFI)1. Release U-clip “C1” (FIG.6.78 - 6.79);2. Ease the pressure gauge through the control panelfro

486.5.10 REMOVING THE D.H.W. TEMPERATUREPROBE (N.T.C.) (MFFI ONLY)1. Remove the electrical connector “C4” by pulling off (Fig. 6.88);2. Unscrew and re

49FIG. 6.906.5.11. Removing the C.H. Flow TemperatureProbe (N.T.C.)1. Remove the C.H. flow temperature probe “C6” bypulling off (Fig. 6.90);2. Remove

Installation should also comply with the following British Standard Codes of Practice:Theappliance may be installed in any room or indoor area, althou

506.6.1. CHECKING THE FUSES1. Remove the inspection cover on the reverse of thecontrol panel (FIG. 6.94);2. Remove the fuses by pushing and rotating f

51FIG. 6.99FIG. 6.100FIG.6.1026.6.3. REMOVING THE TIME CLOCK1. Open the control panel (see the paragraph “Removingthe P.C.B.s”);2. Unplug the electric

527. FAULT FINDINGTABLEI and IIYESYESYESNONOIS THE DISPLAY ON?DOES A STOP CODE APPEAR ON THE DISPLAY?1. Check the fuses2. Check the power supply to

53YESNOMAKE SURE THAT:1. There is sufficient water in the system2. The gas is turned on3. The electrical supply is turned onDOES A STOP CODE APPEAR ON

54YESYESNOIS THEPUMP RUNNING?1. Check if there is air in the system2. Check the main circuit flow switch operation3. Check the pressure on the

551. Check the fan cable2. Replace the fan3. Replace the main P.C.B.1. Check/replace ignition electrode2. Check ignition cable3. Check/replace the

565622 2312161918914104321845055 525354207749518488498433484744118291141221231241151161171211202367125110196060686166656412912773120118237162727475626

57990683990658990695990659990686573727995903 990685997153997181990383997088999245995948995896997147990692999600990693998516990664573520569390573825995

5821131015114321585055 5253541949515889493448474486818876888382757520141718161712987743637 3835 39334643414077301 30230330430422 24 25 2726 2928 30 31

59990683990664 990658 990695 990659 990686573727 573520 998447 569390 995903 990682 998809 990708 998424 999100 999091 990692 990693 999245 990656 990

62.3. OVERALL DIMENSIONSIn order to allow for access to the interior of the boiler for maintenance purposes, the boilermust be installed in compliance

Manufacturer: Merloni TermoSanitari SpA - Italy9. TECHNICAL INFORMATIONCertification 0694BM3593 0694BM3593Category II2H3B/P II2H3B/PThermal Capacity

Flue PipeAccessoriesWall-hung Condensing GasBoilers with SealedCombustion Chamber

2TABLE OF CONTENTS1. GENERAL INFORMATION2. COAXIAL SYSTEMS: 60/100mm2.1. TYPE 1:VERTICAL EXHAUST/SUCTION SYSTEM2.2. TYPE 2:HORIZONTAL EXHAUST/SUCTION

3The ventilation and exhaust pipes of the boiler must be installed using onlyoriginal manufacturer accessories.The boiler is approved for coaxial exha

4FLUESYSTEMThe provision for satisfactory flue termination must be made as describedin BS 5440-1.The appliance must be installed so that the flue term

52. COAXIALSYSTEMS: 60/100 mm2.1. TYPE 1:VERTICAL EXHAUST/SUCTION SYSTEM888706116/706117706115706113706112706111706065 / 706067706111706125For flat ro

62.2. TYPE 2: HORIZONTAL EXHAUST/SUCTION SYSTEM888706125 (*)NOTE: The boiler may be connecteddirectly to a 706138, without using a706125.706138COAXIAL

72.3. TYPE 3: INDOOR INTAKE AND DISCHARGE IN FLUE (B33)888706119706114 (**)**NOTE: If a 706114 is used as anintermediate piece, cut the flue exhaustpi

82.4. TYPE 4: LAS EXHAUST SYSTEM888706118706114 (**)**NOTE: If a 706114 is used as anintermediate piece, cut the flue exhaustpipe flush with the air i

93. twin pipe SYSTEMS:80/80 mm3.1. TYPE 1: C13 EXHAUST/INTAKE WITH HORIZONTAL TWIN PIPES888706784 (Kit of 2)NOTE: Cut the pipe toaccommodate theexhaus

7Fasten the boiler in place using the template and anchors supplied with the unit. It ishighly recommended that a spirit level be used to position the

10888706133/706134706133/7061343.2. TYPE 2: C83 EXHAUST/INTAKE WITH HORIZONTAL TWIN PIPESNOTE: Cut the pipe toaccommodate theexhaust/intake caps705784

113.3. TYPE 3: B23 INDOOR INTAKE AND WALL EXHAUST888NOTE: Cut the pipe toaccommodate theexhaust/intake caps706784(Kit of 2)706132706133/706134705758NO

128883.4. TYPE 4: C53 EXHAUST/INTAKE WITH VARIABLE WIND CONDITIONS705113706133/706134706133/706134705774706784(Kit of 2)705758706132706133/70613470678

138883.5. TYPE 5: C43EXHAUST/INTAKE CONNECTED TO SEPARATE FLUE/VENTILATION SYSTEMS706784(Kit of 2)706132705758706133/706134706133/706134FU041Cm

144. LIST OFCOMPONENTS4.1. COAXIAL SYSTEMSø60/100 mmNOTE: The components suitable to be mounted directly on the collar, as the firstpiece from the boi

15706109Standard Horizontal Coaxial Kit without Elbow1 Spacer for Inner Pipe2 Exhaust Pipe - ø 60 mm3Air Intake Pipe - ø 100 mm4Wall Cover Plates - ø

16706112706113706114Coaxial Extension - 1.0 m1 Coaxial Extension - ø 60/100 mm2 Seal - ø 100 mm3 Seal - ø 60 mmCoaxial Extension - 0.5 m1 Coaxial Exte

17706125Coaxial Stub (ø 60/100 mm) with Condensate Trap1 Seal - ø 60 mm2 Seal - ø 100 mm3Vertical Connection - ø 60/100 mm4 O-ring5 EPDM coupling6 Cla

18706065706067Lead Flashing Black Base CapLead Flashing Red Base Cap1Cap2FlashingNOTE: This part can also be used with 80/125 mm systems1Cap2FlashingN

19706116706117Standard Vertical Flue with Black TerminalStandard Vertical Flue with Red Terminal1Coaxial Flue2 Screw - ø 3.9x13 (3 Pieces)3 Seal - ø 8

82.8. WATER CONNECTIONSLegend:A=Central Heating Flow E = Central Heating ReturnB=Domestic Hot Water Outlet H = Condensate dischargeC=Gas Inlet I = Saf

20706119Horizontal Coaxial Kit1 EPDM coupling2 Clamp - ø 100 mm390° Coaxial Elbow - ø 60/100 mm4 Seal - ø 100 mm5 Seal - ø 60 mm6 Spacer for Inner Pip

217061327061334Adaptor (ø 60/80 mm) for Twin Pipe Systems1 Adaptor (ø 60/80mm) for Twin Pipe Systems2 Clamp (ø 100mm) with Seal and Screws3Silicone Li

227057587057592190° M/F Elbow (ø 80mm) with largeradius and lip O-ring Seal2 Mounted Silicone Lip O-ring - ø 80 mm90° M/F Elbow (ø 80 mm)90° M/F Elbow

23705778705784Wall Bracket Kit1 Universal Wall Mounting Brackets (80/120 mm) (3 Pieces)1Cover Plate (ø 80 mm)1Silicone Wall Cover Plate - ø 80 mm17051

247057747057751 Condensate Discharge Tee (F/F) (ø 80mm) with Built-in Trap2Silicone Lip O-ring - ø 80 mm (2 Pieces)Rubber Hose for Trap (1.5 m)Hose Cl

25

26

27

099841764000Manufacturer: Merloni TermoSanitari SpA - ItalyCommercial subsidiary: MTS (GB) LIMITEDMTS BuildingHughenden AvenueHigh WycombeBucks HP13 5

End UserManualecoCOMBI 27 MFFIecoSYSTEM 27 RFFI

9i) Connecting in to an internal soil stack (at least 450 mm above the invert of thestack). A trap giving a water seal of at least 75 mm must be incor

2IMPORTANT!Please read this manual carefully.For additional information, please consult the“Installation and Servicing Instructions.”Make sure to keep

3GENERAL DATAThermal Capacity C.H.W. min/max kW 8.9 / 26.7 8.9 / 26.7Thermal Capacity D.H.W. min/max kW 8.9 / 30 --------Power for Hot Water Productio

4CAUTION!!Installation, start-up, adjustments and maintenance must be performed by a competentperson only in accordance with the current Gas Safety (I

5CCACD021CUT011AdHsum-winterCD023CCD021CStart-up ProcedureBefore starting the boiler, check the following:- The water pressure on the pressure gauge “

6Turning Off the HeatingInstallation without an external thermostat:To turn off the heating, turn the “A” selector knob to “ ”. The boiler will

75. OPERATING THE TIME SWITCHCheck the system pressure on the pressure gauge “E” and, if it is less than 0.5bar, try bringing the system pressure up t

85.3 Entering the switching timesYou have 20 memory Iocations available. Each switching time takes up onememory location.Keep pressing the “Prog” key

9Reading the programmed switching timesPressing the “Prog” key displays the programmed switching times until the first free memory location appears in

10

11