Unical KONe R 18 Installation And Servicing Manual
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Unical KONe R 18 Installation And Servicing Manual

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R 18 - C 18
R 24 - C 24
R 28 - C 28
R 35 - C 35
INSTALLATION AND SERVICING MANUAL

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Summary of Contents for Unical KONe R 18

  • Page 1 R 18 - C 18 R 24 - C 24 R 28 - C 28 R 35 - C 35 INSTALLATION AND SERVICING MANUAL...
  • Page 2 http://www.unicalag.it/prodotti/domestico-50/condensazione-gas/776/kone Provisions for proper disposal of the product. At the end of its life cycle the product must not be disposed of as urban waste. It can be taken to a special recycling centre managed by the local authorities, or to a dealer who offers this service. Separate disposal of a domestic appliance avoids possible negative consequences for the environment and human health deriving from inappropriate waste handling and allows the recovery of the materials of which it is made, in order to obtain significant energy and resource savings.

  • Page 3: Table Of Contents

    Attention: this manual contains instructions for the exclusive use of the professionally qualified installer and/or maintenance technician in compliance with current legislation. The user is NOT qualified to intervene on the boiler. The manufacturer will not be held liable in case of damage to persons, animals or objects resulting from failure to comply with the instructions contained in the manuals supplied with the boiler.

  • Page 4: General Information

    Any repairs must be performed solely by personnel regarding installation, use and maintenance safety. authorised by Unical AG S.p.A., using original spare parts only. Failure to comply with the above can Keep the booklet with care for further consultation.

  • Page 5: Symbols Used In The Manual

    The appliance is designed to work in heating systems, with hot water circulation, for the production of domestic hot water. Any other use is considered improper. For any damage resulting from improper use UNICAL AG. S.p.A. assumes no respon- sibility. Use according to the intended purposes also includes strict compliance with the in- structions in this manual.

  • Page 6: Safety Warnings

    1.5 - SAFETY wARNINGS ATTENTION! The boiler cannot be used by children. The boiler can be used by adults and only after having carefully read the user’s ma- nual. Children should be supervised to ensure that they do not play or tamper with the device.

  • Page 7: Technical Data Plate

    1.6 - TECHNICAL DATA PLATE The CE marking KEY: certifies the compliance of the equipment with the 1 = CE monitoring body essential safety requirements defined in the directi- 2 = Type of boiler 3 = Boiler model ves and applicable European regulations and that 4 = Number of stars (directive 92/42 EEC) its functioning satisfy applicable technical stan- 5 = (S.N°) Serial Number...

  • Page 8: Water Treatment

    1.7 - wATER TREATMENT The treatment of the supply water ATTENTION! allows to prevent inconveniences ANY DAMAGE TO THE BOILER and maintain the functionality and CAUSED BY THE FORMATION OF efficiency of the generator over time. FOULING OR BY CORROSIVE wATER wILL NOT BE COVERED BY THE The ideal water pH in heating systems wARRANTY.

  • Page 9: Technical Features And Dimensions

    TECHNICAL FEATURES AND DIMENSIONS NOTE! 2.1 - TECHNICAL FEATURES Further details in the section ‘‘Technical Information’’ on the boiler page of the www.unicalag.it website 2.2 - VIEw wITH THE INDICATION OF THE MAIN COMPONENTS AND DIMENSIONS KON e 18 / 24 R KON e 18 / 24 C 3 15 26 17 20 View from above...
  • Page 10 KON e 28 / 35 R KON e 28 / 35 C View from above View from below...
  • Page 11 C.E. S.E. Description Safety valve Domestic hot water temperature Automatic by-pass sensor SRR Return temperature sensor FLS Flow switch with cold water filter TLC Flue gas collector safety ther- Gas valve mostat Ignition/detection electrode Aluminium Heat Exchanger/Ca- pacitor /RIL Vent valve Burner Condensation drain trap Combustion chamber...

  • Page 12: Available Flow Rate / Pressure Diagram

    2.3 - DIAGRAM OF FLOw RATE/PRESSURE AVAILABLE FOR INSTALLATION MODULATING PUMP DIAGRAM OF FLOw RATE/PRESSURE AVAILABLE FOR INSTALLATION 18 - 24 = 6m Flow rate (l/h) 28 - 35 = 7m Flow rate (l/h)

  • Page 13: Operation Data

    2.4 - OPERATING DATA For the adjustment data: NOZZLES - PRESSURES - DIAPHRAGMS - FLOW RATES - CONSUMPTIONS refer to the paragraph ADAPTATION TO OTHER TYPES OF GAS. R 18 / C 18 R 24 / C 24 R 28 / C 28 R 35 / C 35 Nominal heat input in CH / DHW mode 18,0 / 23,4 23,4 / 23,4 28,0 / 28,0 33,0 / 33,0 Minimum heat input with Nat.

  • Page 14: General Features

    2.5 - GENERAL FEATURES R 18 C 18 R 24 C 24 R 28 C 28 R 35 Appliance category 2H3P 2H3P 2H3P 2H3P Minimum heat. circuit output (∆t 20 °C) l/min Minimum heating circuit pressure Maximum heating circuit pressure Primary circuit content Maximum operating temperature in heat.

  • Page 15: Installation Instructions

    INSTALLATION INSTRUCTIONS 3.1 - GENERAL wARNINGS ATTENTION! If there is dust and/or if there are aggressive/corrosive vapours ATTENTION! present in the installation room, This boiler is intended solely for the appliance must be protected the use for which it was expressly suitably and must be able to designed.

  • Page 16: Packaging

    - Certificate of conformity they are potential sources of danger. Unical AG S.p.A. will not be held liable for damage to persons, animals or ob- B - Connection predisposition paper template jects due to failure to comply with the instruction above.

  • Page 17: Positioning The Boiler

    3.5 - POSITIONING THE BOILER When choosing the place of the installation of the Clearance appliance, follow the safety instructions below: - Place the appliance in rooms protected from frost. - Avoid installation in rooms with a corrosive or very dusty atmosphere.

  • Page 18: Flue Gas Exhaust Pipe Connection

    3.6 - FLUE GAS EXHAUST PIPE CONNECTION FOR BOILERS wITH FORCED DRAUGHT To connect the flue gas exhaust pipe, local and na- place the flue gas pipe as well. tional standards must be observed The boiler is type approved for the exhaust configu- In the event the boiler is replaced, ALwAYS re- rations listed below: C13x...
  • Page 19 > 0 = OK - POSSIBLE configuration if < 0 = NO - WRONG configuration (*) Values in the MT018 available on the website. Please note: these values relate to exhausts/made by means of rigid pipes and smooth original UNICAL.
  • Page 20 Rubber closure plugs (DO NOT REMOVE) Concentric start It is recommended to only use original Unical exhaust pipes. The supplier will have no contractual or extra-contractual liability for damage caused due to incorrect installation and use and in any case failure to comply with the instructions provided by the manufacturer.

  • Page 21: Connections

    3.7 - CONNECTION Condensation drain 3/4’’ The boiler, during the combustion process, pro- duces condensation that, through pipe “A”, flows Danger! into the trap. The gas connection must be carried out only by a qualified installer who must re- The condensation that forms inside the boiler flows spect and apply that foreseen by relevant into a suitable drain via pipe “B”.

  • Page 22: Filling The System

    NOTE! during operation. Further details in the section La Unical AG S.p.A. will not be held ‘‘Technical Information’’ on the liable for damage to persons, animals boiler page of the Unical AG S.p.A. or objects due to failure to comply with website.

  • Page 23: Electrical Connections

    3.9 - ELECTRICAL CONNECTIONS Danger! any type of operation on electrical parts, always Only a qualified technician may per- disconnect electrical power and make sure that form the electrical installation. it cannot be reconnected accidentally. Before performing connections or ON/OFF room ON/OFF room thermostat connection thermostat connection (*) RT/OT (*)
  • Page 24 External probe connection (*) Electric power supply connection - Predisposed on the terminal board, terminals See par. 4.5 positioning on the board The boiler is equipped with a power cable, boiler installation requires electric al con- (*) Optional nection to the mains power supply. This connection must be made up to standard, as required the regulations in force.

  • Page 25: Commissioning

    3.10 - COMMISSIONING Commissioning must be done by profes- Before commissioning the boiler, check that: sionally qualified personnel. Unical AG S.p.A. will not be held liable for damage to persons, animals or objects due to fail- ure to comply with the above instruction.

  • Page 26: Measurement Of Combustion Efficiency During Installation

    3.11 - MEASUREMENT OF COMBUSTION EFFICIENCY DURING INSTALLATION 3.11.1- ACTIVATION OF THE CALIBRATION FUNCTION ATTENTION! The user is NOT authorised to activate the func- Function reserved for Authorised tion described below. Assistance Centres only. ACTIVATION MINIMUM OUTPUT Press the key (D) for at least 5 seconds, until SErvice appears.

  • Page 27: Probes Positioning

    3.11.2 - POSITIONING THE PROBES To determine the combustion efficiency one must make the following measurements: - measurement of the combustion air temperature Take the measurements with the generator in taken in the relevant hole 1. steady state conditions (see par. 3.11.1). - measurement of the flue gas temperature and taken in the relevant hole 2.
  • Page 28 KON e R 28 - KON e C 28 Collector Start-up Type of Effective Heating Sup- levels Con- Con- diaphragm power Ouput Thermal speed sumption sumption IG [%] [kW] [kW] Press. [rpm] [Ø/n. Capacity [mbar] holes] Gas nat. (G20) 4,3 - 27,2 4,4 - 28,0 0,47 m³/h 2,96 m³/h...

  • Page 29: Combustion Adjustment Function Activation

    3.12.1 - COMBUSTION ADJUSTMENT FUNCTION ACTIVATION This function allows a partial adjustment of the MINIMUM OUTPUT value on the following modulation points: Maximum output Start-up output Minimum output ACTIVATION When the display alternates CO - 0 SELECTION Press the keys (B- and B+) at the same time for at least 10 seconds, SErvice APPEARS.

  • Page 30: Adaptation Of The Power To The Heating System

    3.12.3 - ADAPTATION OF THE POwER TO THE HEATING SYSTEM ATTENTION! The user is NOT authorised to activate the func- Function reserved for Authorised tion described below. Assistance Centres only. It is possible to adjust the maximum thermal capacity Act on parameter HP (par. 4.2 SE parameters list) in heating mode, by decreasing the burner pressure to achieve the value corresponding to the desired value.

  • Page 31: Maintenance Instructions

    To assure long-term functioning of your appliance and to avoid altering its approved status, only original Once all maintenance operations are complete Unical AG S.p.A. spare parts must be used. resume boiler operation • Open the heating flow and return pipes, as well If a component needs to be replaced: as the cold water inlet valve (if closed previously).
  • Page 32 ROUTINE YEARLY VERIFICATION OPERATIONS COMPONENT: VERIFY: CONTROL/INTERVENTION METHOD: Is the minimum domestic hot water The burner must ignite with an (domestic hot water flow rate 3 l/min.? intake above or equal to: 3 l/min. priority flow switch ( 2 ) Does the valve modulate properly? Open a hot water tap at maxi- (Gas valve) ( 3 )

  • Page 33: Parameters That Can Be Edited From The Control Panel

    4.2 - PARAMETERS THAT CAN BE EDITED FROM THE CONTROL PANEL ATTENTION! DISPLAY Function reserved for Authorised As- sistance Centres only. Menu access: InFormation Errors Log SErvice Factory Press the key (B+) to display the parameters ACTIVATION - SELECTION list InF PARAMETERS LIST InF Press the key (S) for 5 seconds Press the key (B+) to access the menus...
  • Page 34 (Hi) Errors Log DISPLAY - FAULT ACTIVATION - SELECTION See section 1 (4.2) Press the key (C+) to display the fault code (see Press the key (S) to access the Hi parameters chap.5). unit, The display alternates H and the number of the 01 = last error 08 = fault code (LP position (01) in which the error is stored.
  • Page 35 (SE) Service parameters EDITING THE VALUE ACTIVATION - SELECTION See section 1 (4.2) Press the key (C+) to access the parameter, Press the key (S) to access the SE parameters the parameter value flashes. unit. These parameters can be edited without Correct the value with the keys (C+ or C-) restrictions, from the control panel.
  • Page 36 (FA) Factory Parameters 1: Instantaneous boiler 2: Instantaneous boilers with fixed hysteresis 3: Heat. only boiler / or storage tank (1 pump + 1 3-way val.) 4: Boiler with storage tank 2 pumps Heat. pressure sensor ACTIVATION - SELECTION See section 1 (4.2) 0 = absent / 1 = present Press the key (S) to access the FA parameters (default 0)

  • Page 37: Adaptation Of The Power To The Heating System

    EDITING THE VALUE CONFIRM VALUE Press key D Press the key (C+) to access the parameter, the parameter value flashes. Correct the value with the keys (C+ or C-) 4.3 - ADAPTATION ally deaerated, ignition problems could arise. In that case, contact the supplier of the LPG tank. TO THE USE OF OTHER GAS The boilers are produced for the type of gas specifi- cally requested upon ordering.

  • Page 38: Gac Adjustment

    4.3.1 - GAC AUTOMATIC CALIBRATION One can perform the GAC in domestic hot water Stage 2: START-UP OUTPUT CALIBRATION mode as well. Make sure that there are no heating requests pre- sent and that all the valves of the heating system are open.

  • Page 39: Important Notes

    4.4 - IMPORTANT NOTES REPLACING COMPONENTS Before replacing components one must follow the MODULATION BOARD notes of chap. 4 "Inspections and maintenance". universal board memory The memory board is To replace the components: board (*) programmed by de- - GAS VALVE fault for METHANE - FAN gas operation.

  • Page 40: Wiring Diagram

    4.5 - wIRING DIAGRAM Practical connection board SS SR DK FLS SS SR VM (R) TLC TL CMP (*) TA 1/OT TA 2 3 2 1 3 2 1 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 7 6 5 4 3 2 1...

  • Page 41: Error Codes

    4.6 - ERROR CODES The symbol flashes on the display monitor when the boiler detects an anomaly. 1) In the event of an anomaly that does not stop boiler operation, press key ‘‘D’’ to display the error code; in the event the boiler is in stand-by, the error code appears and remains fixed on the display. 2) In the event of an anomaly that causes boiler down time, the error code flashes directly on the display. Each fault is characterised by a priority level: if two faults are detected at the same time, the code with the highest priority is displayed. The fault codes are listed below: F) Fault code displayed with code number: The display flashes alternating the F (FAULT - ANOMALY) with error code (eg 23). ( Num ) = see key Par. 2.2 COD. REGO- SYMBOL PRIO- DESCRIPTION SOLUTIONS LA FACILE/ RITY FAULT HISTORY EXTERNAL PROBE Check the wiring, if needed interrupted replace the external probe RETURN PROBE Check the wiring, if needed re- Auxiliary (SRR) sensor inter-...
  • Page 42 SPEED OUT OF Check fan operation (18) and CONTROL the connections Alteration of the fan speed; the speed is above that requested HIGH TEMPERATURE Check pump operation and if Boiler temperature too high needed clean the exchanger (24) wATER DEFICIENCY Fill the heating circuit as de- Insufficient water pressure and scribed in chap.
  • Page 43 (F) 27 ERROR Check if the pump switches off Flow Gradient suddenly. service (F) 23 Detected tab panel button pres- Check keypad and reset the sed for longer than 30 “ status of the buttons. Or repla- ce the electronic board (F) 53 Clogged Outlets Check the Chimneys / Check...
  • Page 44 - export@unical-ag.com - www.unical.eu Unical declines every responsibility for the possible inaccuracies if owed to errors of transcript or press. Also reserves the right to bring those changes that it will hold necessary to it own products or profits, without jeopardizing its essential characteristics.

This manual is also suitable for:

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