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Ariston Type C Installation Instructions Manual

Eco genius series condensing type c boilers
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Installation
Instructions
Condensing
Type C Boilers
G.C.N: 41-116-03
47-116-17
LEAVE THESE INSTRUCTIONS
WITH THE END-USER
Country of destination: GB
275

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  • Page 1 Installation Instructions Condensing Type C Boilers G.C.N: 41-116-03 47-116-17 LEAVE THESE INSTRUCTIONS WITH THE END-USER Country of destination: GB...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. GENERAL INFORMATION This manual is an integral and essential part of the product. It should GENERAL INFORMATION be kept with the appliance so that it can be consulted by the user and 1.1. ENERAL NFORMATION our authorised personnel. 1.3.

  • Page 3: Installation

    1.3. EGEND VERALL Flue connector Heating flow temperature probe 24 MFFI Mixer Condensate collector Expansion vessel Condensate trap (tube) Condensate trap Diverter valve Main circuit flow switch 10. Domestic hot water temperature probe 11. Control panel 12. Gas valve 13. Domestic hot water flow switch 14.

  • Page 4: Siting Thea

    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.

  • Page 5: Mounting The

    2.4. INIMUM LEARANCES . 2.3 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. . 2.2 24 MFFI MPORTANT In the event that the power supply cable must be changed, replace it with one with the same specifications.
  • Page 6 2.8. ATER ONNECTIONS . 2.5 IEW OF THE OILER ONNECTIONS 24 MFFI Fitting the connection kit to the ecoGENUS 24 RFFI SYSTEM only. It will be noted that the kit has two connections not required for this boiler i.e. the domestic cold inlet “D”...

  • Page 7: Flue Connections

    expansion and add an additional sealed expansion vessel with The minimum acceptable spacing from the terminal to obstructions adequate capacity. and ventilation openings are specified in Fig. 2.6 AINS ATER ENTRAL EATING . 2.6 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.
  • Page 8 . 2.11 2.10. CCESSORY ONNECTION To carry out the connection for the roomstat or the outdoor sensor, proceed as follows: 2.10.1. R HERMOSTAT ONNECTION Unscrew the screws “A” and rotate the control panel forwards; Insert the connection cable for the thermostat or the outdoor sensor into the cable gland “B”...

  • Page 9: Accessoryc

    2.10.2. R 2.10.3. A EMOTE ONTROL ONNECTION CCESSORY ONNECTION ERMINAL LOCK Refer to the illustrations in section 2.10.1. Unscrew the screws “A” and rotate the control panel forwards. Insert the connecting cables of the remote control into the cable gland “B” and open the lid of the control panel after having unscrewed the fastening screws “C”.

  • Page 10: Electrical Diagram

    2.11. The P.C.B. is fitted with 2 fuses, on the LECTRICAL IAGRAM live and the neutral. The fuse holder contains: - 5 x 20mm “3.15A Slow” glass fuses Control microprocessor EGEND A: JUMPER C: Flame detection jumper (under no circumstances should this When needed, the P.C.B.
  • Page 11 2.12. W ATER IRCUIT IAGRAMS C3 = CONNECTION TO ROOMSTAT Input - 1 24 MFFI Input - 2 C4 = TIMER 3 V output Timer ground Timer output Not connected C5 = REMOTE CONTROL (Bus+/Bus-) Input/output-1 Input/output-2 C6 = SENSOR CONNECTOR Domestic hot water flow switch (grey) Main circuit flow switch (grey) Under floor heating thermostat (grey)

  • Page 12: Commissioning

    3. COMMISSIONING 24 RFFI SYSTEM 3.1. NITIAL REPARATION 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 presence 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 whenever they contact a service engineer or us.Preliminary electrical...

  • Page 13: Removing The

    3.2. 3.3. EMOVING THE ASING ONTROL ANEL To disassemble the front casing panel, follow these steps: 1. Unscrew the screws “A” (1/4 turn only) and rotate the control panel forwards; 2. Unscrew the screws “B”; 3. Unhook the front panel of the casing by lifting it. To disassemble the side panels, follow these steps: 4.

  • Page 14: Control Modes

    the gas cock is closed; 3.6. PERATING ARAMETERS the electrical connection has been carried out in the correct manner. To allow the air to escape from the system, proceed as The boiler has been designed to allow easy intervention with regard follows: to the operating parameters.
  • Page 15 3.6.2. O UTDOOR ENSOR In the case of the use of an outdoor sensor, the microprocessor- controlled P.C.B. calculates the most suitable flow temperature, taking into account the external temperature and the type of system. The microprocessor is capable of doing this because it is possible to establish a link between the external temperature and the flow temperature of the heating system water.
  • Page 16 If the room temperature is too cold during the winter (while in spring the temperature is adequate), it is necessary to enter a steeper curve. To do this, press the reset button for 5 seconds and then press it repeatedly until the letter “F F ”...

  • Page 17: Regulations

    3.6.3. S entered may be viewed in the manner described in section 3.6.3. ETTINGS ISPLAY (the display shows the value with steps of 10). The boiler is designed to monitor some operating variables and PR - Maximum heating circuit power potentiometer, variable settings by means of the display on the front control panel.

  • Page 18: Test Mode

    3.7.4. P 3.7.5. T VERRUN The pump overrun may be varied (after the burner has been turned The P.C.B. allows the boiler to be forced to the maximum or minimum off). To access this function, it is necessary to press the reset button power.

  • Page 19: Combustiona

    DISPLAY CAUSE temperature goes below -3°C, it turns off when the external temperatures raises above -1°C. Flow temperature over 100°C while boiler is not in E E 0 0 3 3 Continuous operation of the pump: select by means of jumper 4 operation (stand-by) (see paragraph 3.6.6.).

  • Page 20: Gas Adjustments

    4. GAS ADJUSTMENTS 4.1. : the values refer to the upper calorific power VERALL Type of appliance Natural Gas Marking on the label of characteristics Yellow adhesive label: Yellow adhesive label: Yellow adhesive label: Further indications calibrated for LPG calibrated for 'L' type calibrated for 'H' type Wo=24.3 Kw/m3 methane...

  • Page 21: Changing The

    Make a note of the value here. Value from table: ....l/min. fastening screws and lift up the rubber stopper protecting the Identify the volumetric rate of flow at the gas meter and compare potentiometers (see section 3.7.1.). Rotate the potentiometer PR it with that of the table.

  • Page 22: Zone Valves

    5. ZONE VALVES 6. MAINTENANCE The boiler is capable of managing a heating system that uses zone 6.1. ENERAL EMARKS valves. The electrical connection of these valves is carried out by means of the appropriate ter minal board (indicated in the It is recommended that the following inspections be carried out on “E ”...
  • Page 23 6.4. PERATIONAL After having carried out the maintenance operations, fill the heating circuit to a pressure of approx. 1.5 bar and release the air from the system. Also fill the domestic hot water system. Place the boiler in operation. If necessary, release the air again from the heating system. Check the settings and the correct functioning of all the control, regulation and monitoring parts.
  • Page 24 7. TECHNICAL INFORMATION 24 MFFI 24 RFFI SYSTEM Certification 63AT4528 63AT4528 Category II2H3B/P II2H3B/P Thermal Capacity min/max 8/24 8/24 8.8/26.1 Usable Thermal Power min/max (30/40°C) 8.8/26.1 Usable Thermal Power min/max (60/80°C) 7.9/23.3 7.9/23.3 Usable Thermal Power min/max (30/50°C) -/24.5 -/24.5 7.9/23.3 Power for Hot Water Production min/max 7.9/23.3...
  • Page 25 Servicing Instructions Condensing Type C Boilers G.C.N: 41-116-03 47-116-17 LEAVE THESE INSTRUCTIONS WITH THE END-USER Country of destination: GB...
  • Page 26 TABLE OF CONTENTS SERVICING INSTRUCTIONS EPLACEMENT OF ARTS ENERAL CCESS - Lowering the control panel and removing the front panel - Removing the side panels CCESS TO THE OMBUSTION HAMBER - Removing the sealed chamber front cover - Removing the fan - Removing the burner - Removing the electrodes - Removing the heat exchanger inspection panel...

  • Page 27: Servicing Instructions

    To ensure efficient safe operation, it is recommended that the boiler is SERVICING serviced annually by a competent person. INSTRUCTIONS Before starting any servicing work, ensure both the gas and electrical supplies to the boiler are isolated and the boiler is cool. Before and after servicing, a combustion analysis should be made via the flue sampling point (please refer to the Installation Manual for further details).

  • Page 28: Removing The Side Panels

    Removing the side panels CCESS TO THE OMBUSTION HAMBER 1. Remove the screws “C” (F . 1.4); 2. Pull each panel away from the boiler, then lift the panel Removing the sealed chamber front cover up and away from the boiler. 1.

  • Page 29: Removing The Fan

    Removing the fan 1. Loosen nut “E” (F . 1.7); . 1.9 2. Pull off the hose “F” and disconnect the electrical connector “G” (F . 1.8); 3. Remove the nuts “H” (F . 1.9); 4. Pull the fan away from the exchanger (F .

  • Page 30: Removing The Burner

    Removing the burner With the fan removed (see previous section); 1. Slide the burner from its housing (F . 1.11). . 1.14 Removing the combustion chamber inspection panel . 1.11 1. Remove the four nuts “K” (F . 1.15); 2. Remove the inspection panel (F .

  • Page 31: Removing The Condensate Collector

    Removing the condensate collector 1. Remove the nuts “L” from each side of front of the collector (F . 1.17); 2. Remove the nuts “M” from each side of rear of the collector (F . 1.18); 3. Release the condesate trap union “N” (F .

  • Page 32: Removing The Condensate Trap

    Removing the injector Removing the condensate trap See the section on removing the fan before carring out this 1. Loosen the union “O” (F . 1.22); procedure 2. Remove the condensate trap (F . 1.23). 1. Disconnect all connections from the fan and remove .
  • Page 33 . 1.26 . 1.27...

  • Page 34: Access To The Gas Valve

    CCESS TO THE ALVE Removing the gas valve 1. Disconnect the electrical connection “R” from the gas valve (F . 128); 2. Release the top nut “S” (F . 1.29); 3. Remove the screws “T” from the bottom of the gas valve pipe (F .

  • Page 35: Access To The Water Circuit

    Removing the safety valve CCESS TO THE ATER IRCUIT 1. Loosen union “W” (Fig. 1.35); Important! Before any component is removed, the boiler 2. Unscrew and remove the valve (Fig. 1.36). must be drained of all water. Removing the D.H.W. (secondary) exchanger 1.

  • Page 36: Removing The Automatic Air Vent

    Removing the automatic air vent Removing the diverter valve actuator 1. Unscrew valve “X” (F . 1.37); 1. Unplug the electrical connector “Z” (F . 1.41); 2. Remove (F . 1.38). 2. Release the retaining clip “A1” and remove the diverter valve actuator (F .

  • Page 37: Removing The Pump

    Removing the pump 1. Unplug the electrical connection “C1” (F . 1.44); 2. Release the nut “D1” (F . 1.45); 3. Release the nut “E1” (F . 1.46); 4. Remove the pump (F . 1.47). . 1.46 . 1.44 . 1.47 .

  • Page 38: Removing The Pressure Gauge

    Removing the pressure gauge Removing the expansion vessel 1. Release coupling “F1” (F . 1.48); See the section on removing the condesate trap before carrying out this procedure 2. Ease the pressure gauge “G1” through the control panel from the rear (F .
  • Page 39 Removing the D.H.W. temperature probe (N.T.C.) (MFFI only) 1. Remove the electrical connector “K1” by pulling off (Fig. 1.54); 2. Unscrew and remove the D.H.W. temperature probe “L1” . 1.55). . 1.57 Removing the C.H. return temperature probe (N.T.C.) 1. Remove the electrical connector “O1” by pulling off (Fig.

  • Page 40: Access To The Control System

    Removing the time clock CCESS TO THE ONTROL YSTEM 1. Remove the inspection cover on the reverse of the control panel (F . 1.60); 2. Lower the time clock door (F . 1.62); Checking the fuses 1. Remove the inspection cover on the reverse of the 3.

  • Page 41: Removing The P.c.b.s

    Removing the P.C.B.s 1. Remove the inspection cover on the reverse of the control panel (F . 1.60); 2. Remove the screws “S1” (F . 1.65 & F . 1.66); 3. Remove the facia panel (F . 1.67); 5. Disconnect the connection cable ”T1” (F .
  • Page 42 . 1.72 . 1.73...

  • Page 43: Fault Finding

    FAULT FINDING It is possible to detect and correct any defect by using the standard fault AULT INDING UIDE finding diagrams described in this chapter. CHARTS Model 24 MFFI MAKE SURE THAT: 1. There is sufficient water in the system 2.
  • Page 44 Model 24 RFFI System MAKE SURE THAT: 1. There is sufficient water in the system 2. The gas is turned on 3. The electrical supply is turned on PUSH THE ON/OFF BUTTON TO ON IS THE 1. Check the fuses POWER L.E.D.
  • Page 45 Model 24 MFFI/24RFFI System IS THE PUMP RUNNING? POWER TO THE PUMP? 1. Check pump cable 2. Check/replace main P.C.B. THE MAIN CIRCUIT FLOW SWITCH WORKING CORRECTLY? A21: does not close A22: does not open 1. Check if there is air in the system 2.
  • Page 46 Model 24 MFFI/24RFFI System IS THE FAN DOES CODE RUNNING? A33 APPEAR? 1. Check the fan cable 2. Replace the fan 3. Replace the main P.C.B. Replace the main P.C.B. 1. Check/replace ignition IGNITION electrode SPARKS ARE GENERATED 2. Check ignition cable REGULARLY? 3.
  • Page 47 ABLE ISPLAY AUSE Too many attempts to ignite on starting up After three attempts at ignition, no increase in ∆T was detected The heating flow temperature exceeds 100°C during operation Too many failures to flame in one period during operation The flame was detected after the gas valve had closed The flame was detected before the gas valve opened The flow switch does not close...

  • Page 48: Electrical Diagrams

    EGEND 3. ELECTRICAL A: JUMPER When needed, the P.C.B. allows the different options to be selected by means of DIAGRAMS a wire link. The boiler has the following basic arrangement: 1 OPEN 2 CLOSED (jumper) 3 OPEN 4 OPEN 5 OPEN 6 OPEN 7 CLOSED 8 OPEN (MFFI);...
  • Page 49 C1 = FAN “Hall” sensor power supply 12V (red) “Hall” sensor ground (blue) Not used Start of coil (black) “Hall” sensor input (white) End of coil (brown) C2 = POWER SUPPLY Earth (yellow/green) Earth (yellow/green) Not connected Neutral (blue) Not connected Live (brown) C3 = CONNECTION TO ROOMSTAT Input - 1...
  • Page 50 ecoGENUS 24 MFFI - ecoGENUS 24 RFFI...

  • Page 51: Short Spare Parts List

    4. SHORT SPARE PARTS LIST ecoGENUS - 24 MFFI 56 49 51 52 50 49 24 MFFI...
  • Page 52 - 24 MFFI G.C. part ARISTON Description Part No. E25 417 573294 Expansion vessel 164 225 573520 Gasket 3/4" 164 338 569236 Temperature probe (C.H.W.) 997147 E25 427 Motor (3-way valve) E25 429 997077 Fixing clip (motor) 998127 Flow group...
  • Page 53 ecoGENUS - 24 RFFI SYSTEM 52 53 51 50 17 18 24 RFFI SYSTEM...
  • Page 54 - 24 RFFI SYSTEM G.C. part ARISTON Description Part No. E25 417 573294 Expansion vessel 164 225 573520 Gasket 3/4" 164 338 569236 Temperature probe (C.H.W.) 997147 E25 427 Motor (3- Way valve) E25 429 997077 Fixing clip (motor)
  • Page 56 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 Internet: http://www.mtsgb.ltd.uk E-mail: info@mtsgb.ltd.uk Technical Service Hot Line: (01494) 539579...
  • Page 58 52 53 51 50 17 18 code 997828 code 571438 code 998456 MODELS CHARACTERISTICS SERIAL NO: REF. VALIDITY ECOGENUS 24 RFFI SYS METHANE 9933800115 ECOGENUS 24 RFFI SYS 9933900200...
  • Page 60 999071...

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